Kevin

16.2g of magnesium reacts exactly with 25.3g of fluorine to produce magnesium fluoride, the only product. How many grams of magnesium fluoride could be produced from the reaction of 10.5g of magnesium with excess fluorine. This is simple if you use ratios...

20 years ago

Can somebody solve this logarithm problem step by step for me please: 2(lnx)² + lnx-1 = 0 First let y = ln x be a new variable, , and solve the polynomial 2 y^2 + y - 1 = 0 2(y +1)(y - 1/2) = 0 Solutions are y = -1 or +1/2 Thus x = e^y and x= 1/e = 0.3679...

19 years ago

Okay, this is a two-part question and the unit is acids and bases. Ka for NH4 is 5.6 x 10^ -10 Kb for NH3 is 1.8 x 10^ -5 1. Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100mL of a 0.150 molar solution of amm...

18 years ago

Can you please help me with the grammar, spelling, and sentence structure of the following Spanish sentences? I need to know if I wrote them correctly. Thanks. 1) El embajador soviético está dando vuelta al azul. 2) Mire, yo están bailando encima de la ca...

18 years ago

Why did England colonize the New World later than the rest of Europe? What political and religious conditions had created a century of conflict in England? What factors finally pushed the English west, across the ocean?

18 years ago

Where the dutch the first to establish a colony in Maryland?

18 years ago

what is the point of proofs?

17 years ago

Every hockey card has front side and a back side. How many possible outcomes are there if you flip a hockey card on a desk?

17 years ago

This is a goodness-of-fit question that I've been trying to wrap my head around for sometime, but I don't understand it since there are two values instead of one. So far, the teacher has only taught us how to deal with one set of observed values. UCLA con...

17 years ago

When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -8.000 x 10^3 K. According to the Clausius Clapeyron equation, Hvap is ? KJ/mol

17 years ago

why and how could you apply critical thinking when evaluating articles, media, advertising, and conversations?

17 years ago

Please help and Identify the rhetorical devices used by the sentence below and explain. The bill would also adopt a federal ban on late-term procedures that opponents refer to as partial-birth abortions. Thank you,

17 years ago

Identify and name fallancy below and explain. This measure is of sufficient importance that our representatives should have the integrity to bring it to a vote. Please help, thank you,

17 years ago

1. Identify and name fallancy below and explain. This measure is of sufficient importance that our representatives should have the integrity to bring it to a vote. My answer: I believed, the fallancy was a scapegoating because the author was blaming the r...

17 years ago

What is more important to the consumer: Marginal utility or marginal utility per dollar and why

17 years ago

What happens to the marginal utility per dollar of shoes if the priece of shoes goes up, and how should consumers respond to this to maximize utility

17 years ago

unscramble idmieeflt to make two words

17 years ago

At Harlan County Damn in Nebraska, the U.S. Bureau reports that the storage content of the reservoir decreased from 117,811 acre-feet (38.4 billon gallons of water) on Septmber 6, 2006 to 115,579 acre-feet (37.7 billion gallons of water) on October 6, 200...

17 years ago

Carletta has $10,000 to invest. As her financial consultant you recommend that she invest in Treasury Bills that yield 6%, Treasury Bonds that yield 7%, and coroporate bonds that yield 8%. Carletta wants to have an annual income of $680, and the amount in...

17 years ago

A bird watcher meanders through the woods, walking 0.35 km due east, 0.65 km due south, and 2.05 km in a direction 31.0° north of west. The time required for this trip is 3.50 h. Determine the magnitude and direction (relative to due west) of the bird wat...

17 years ago

Why did the British army march on Lexington and Concord

17 years ago

A little aluminum boat (mass of 14.50g) has a volume of 450.00cm3. The boat is placed in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50g, how many pennies can be added to the boat before it sinks?

17 years ago

What portion of the brain is responsible for voso motor control?

16 years ago

I'm confused about the difference between the q in q=mc(Tf-Ti) and (Delta)H, or enthalpy. What exactly does enthalpy mean and how is that different than q? (I'm also confused about what Gibbs Free Energy actually means; I know that if it's negative, the r...

16 years ago

find the general term of the following sequence 1/3, 3/5, 5/7, 7/9, ... thanks for any help!

16 years ago

Find the sum of the first 500 positive integers. thanks for any help!

16 years ago

An object starts from rest and accelerates uniformly down an incline. If the object reaches a speed of 40 m/s in 5 seconds, what is its average speed?

16 years ago

Having trouble understanding the book Grendel...is there a site you know of that may help? Thank you, Kevin

16 years ago

The directions say to use a grapking utility to approximate (to two-decimal-place accuracy) any relative minimum or maximum values of the function: y=x^3 - 6x^2 + 15 Can someone please help me because my graphing calculator is not working!!!

16 years ago

A reaction is said to be diffusion controlled when it occurs as fast as the reactants diffuse through the solution. The following is an example of a diffusion controlled reaction. The rate constant for this reaction is 1.4x1011 M-1s-1 at 25oC and the reac...

16 years ago

Give them fish they will eat for a day. Teach them to fish they will eat for years.

16 years ago

Give them fish they will eat for a day. Teach them to fish they will eat for years. With regard to low income countries and based on your knowledge and understanding of culture, society and social stratification provide support for or criticism of this st...

16 years ago

People should be able to help themselves. If they want to make their life better they need to be motivated and should find a way to make it happen. Equal opportunity for all. You just have to work for it. If a person is in a low paying job that is probabl...

16 years ago

If 7.83 g FeCl3(s) is dissolved in enough water to make 2.50 L of solution, what is the concentration of Fe3+ in the solution?

16 years ago

A rectangular metal bar has a volume of 50.0 inches cubed.The Metal BaR weighs 1.42kg. Calculate the density of the metal in grams per cubic centimeter.

16 years ago

A student finds a medallion which could be made of pure platinium or silver. IN order to find out what the medallion is made of the student takes the medallion to a chemistry lab. The student measures the density of the medallion as follows. The medallion...

16 years ago

In hypothesis testing, if the population standard deviation is KNOWN, your graph should be labeled a T or Z line? In hypothesis testing, if the population standard deviation is NOT KNOWN, your graph should be labeled a T or Z line?

16 years ago

In hypothesis testing, if a claim statement is asking to test a percentage, your graph is a T or Z line?

16 years ago

How do you do this problem? 1+i(square root of 3)

15 years ago

Mr. Mist’s ramp broke so he tried to lift the his 150 Newton box of ungraded papers with a pulley system. Mr. Mist had to pull the rope in his system 3 meters. The papers were lifted into his car by the pulley system which lifted the box 1.5 meters, while...

15 years ago

I believe a starfish has radial symmetry but how would I divide it using a ruler since there are 5 arms?

15 years ago

What other oxidizing reagents could have been used to convert the 9-fluorenol to 9-fluorenone?

15 years ago

One of the significant changes in atmosphere in Jefferson's administration was: 1. The number of common people involved in government. 2. The closing of the bank of the united states. 3. the widespread dismissal of federalist officeholders. 4. The reinsta...

15 years ago

I don't know which one of these fits the blank. Can someone please help? The law of cause-and-effect which verifies a divine power is a(n) ? argument. Choises: 1. teleological 2. cosmological 3. anthropological

15 years ago

I need help with these two questions please. I cannot figure out what goes with what. Thanks. The orderly design and purpose of nature which verifies a divine intelligence is a(n) ? argument. Choises: 1. teleological 2. cosmological 3. anthropological The...

15 years ago

"A sample of a nonpolar molecules capable of only dispersion forces can have a higher boiling point the a sample of a polar molecules capable of hydrogen bonding. This statement can only be true if the formula weight of nonpolar molecule(the answers are =...

15 years ago

Predict the Products for the following reactions and write the chemical equation. Combustion: Liquid Octane, C8H18 burn in oxygen gas. how would you set this up and predict the product? Thnx in advance whoever figures it out :)

15 years ago

In the equation y=4cos 6x, what does 6 represent? In general for the equation y-acosbx, what does b represent?

15 years ago

in the equation y=acos b(x-h)+k, what exactally does b represent. How is it helpful?

15 years ago

Thanks for letting me know about wave seperation. Could you tell me more please. What exactally is meant by wave seperation. Does it mean above and below the midline or does it mean seperation between wave cycles? What does it mean?

15 years ago

is benzoic acid soluble in water, 1.0M NaOH, 1.0M HCl?

15 years ago

Is m-nitroaniline soluble in water, 1.0M NaOH, 1.0M HCl?

15 years ago

Using the balanced reaction, enter the formula, charge(if any), and state of the species (exclude H2O) in solution if Ba(NO3)2(aq) reactant is present in stoichiometric excess. Separate your answers by comma. NaCl(aq) + Ba(NO3)2(aq) → NR

15 years ago

Why exactally does the absolute value of -3+4i = 5. I know (-3) squared plus (4i) squared = 5? Could you include a graphic approach as well? Thank you.

15 years ago

The coefficient of static friction between the tires of a car and a horizontal road is 0.515. As the car brakes, what is the magnitude of the maximum acceleration of the car? Assume the net force on the car is the maximum static friction force.

15 years ago

A 90 kg halfback runs north and is tackled by a 120 kg opponent running south at 4 m/s. The collision is perfectly inelastic. Just after the tackle, both players move at a velocity of 2 m/s north. Calculate the velocity of the 90 kg player just before the...

15 years ago

How would you work this... You are facing north. You turn 270 degrees counterclockwise. Which direction are you facing? Is it West? You start out at 90 and go from there? I don't know...

15 years ago

I am suppose to write 2/30 as a percent. My answer choices are a .o6%, b. .005% c. .6% d. .05% I thought I would divide 2 into 30 which would be .06 and then moving 2 spaces to the right equaling 6%. How do I solve this problem.

15 years ago

How do I make 2/30 into a percent? I don't need answer only need to know how to solve.

15 years ago

How was Nationalism a cause of imperialism? and what was gained economically through imperialism?

15 years ago

How did military motivies contribute to imperialism? and why did missionaries support imperialism?

15 years ago

Solve each equation: (x^2-3)(x^2+3x-4)=0 (x+2/3)(x^2+5x+1)=0 x^3-2x^2+x=0 x^3+3x^2-5x-4=0

15 years ago

Solve and graph the solution set on a number line. |5x + 7| - 2 < 4 <------------------------> -5 -4 -3 -2 -1 0 1 2 3 4

15 years ago

What is the current yield of a annual coupon bond with a 6% coupon, four years until maturity, and a price of $750?

15 years ago

a girl flipped a coin 4 times, what is the probability that she gets 3 heads and 1 tails? Using a tree diagram

15 years ago

Write 0.36 as a fraction.

15 years ago

Why are finding determinants important? Aside from Cramer's rule when are determinants used?

15 years ago

Is this true or false: The radio business and the record business are interdependent; they have strong ties between them. i think its true and also is this true or false Radio programming can derive from locally produced, syndicated or network programming...

15 years ago

Can you help me please, i think it is false but im not sure A unique format is one for which there is no similar competition in the market. A) True B) False I also think this one is false but again not sure A "head to head" format refers to a format that...

15 years ago

Are both these false? A unique format is one for which there is no similar competition in the market. A) True B) False I also think this one is false but again not sure A "head to head" format refers to a format that is trying to successfully program agai...

15 years ago

The "jack fm" format is an attempt to stimulate the random programming of an ipod on shuffle. True or False I'm really not sure what it is.

15 years ago

Ok, I think both of these are syndicated but im so confused! The type of programming aired by a station with which they "affiliate" is called A) syndicated programming B) local origination C) network programming D) non of the above This type of programmin...

15 years ago

A wheel makes 4 17/20 revolutions per minute. If it rotates for 48 minutes,how many revolutions does it make?

15 years ago

Explain how to evaluate x-8 when x=10?

15 years ago

What's the difference between sample space and event in a lottery game (where 50 numbers are drawn and you have to guess/pick six numbers?). Can you give examples of both?

15 years ago

Mg+ 2HCl-->MgCl2+H2 The mass of the HCl is 24.852 g mass of the Mg is .990 g and the mass of the calorimeter is 3.711 g. How do I calculate the heat of the reaction of all this please?

15 years ago

g+ 2HCl-->MgCl2+H2 The mass of the HCl is 24.852 g mass of the Mg is .990 g and the mass of the calorimeter is 3.711 g. the change in temperature of the solution was +19 degrees celcius. itd be great if i could just get a basic equation to use or somethin...

15 years ago

To find the nth term of an arithmetic sequence the formula given is a(sub n) = a (sub 1) + (n-1)d. Why is (n-1) a part of the formula? Why isn't just n?

15 years ago

I'm having trouble with this problem on my homework, We are supposed to write the molecular orbital config for a molecule. Could someone walk me through the process of how to do this and I'll see if I can get the hang of it? What I have to draw is a diato...

15 years ago

The hydrogen in an eudiometer has a volume of 80 ml when the pressure is 740 mm. what's its volume at standard pressure?

15 years ago

Calculate the force in Newtons that exists between a positive charge of 2C and a negative charge of 5.2 X 10^19 electrons separated by a distance of 25 cm.

15 years ago

Joleen is a sales associate in a clothing store. Each week she earns $250 plus a commission equal to 3% of her sales. This week her goal is to earn no less than $460. Write and solve an inequality to find the dollar amount of the sales she must have to re...

15 years ago

1) What is the probability of tossing 6 coins and getting at least two tails? 2) Suppose you flip a penny, a nickel,a dime and a quarter. What is the probability of getting heads on the penny and nickel and dime and tails on the quarter? Please show steps...

15 years ago

Plants have three basic organs, roots stems and leaves. Describe in detail the types of cells and tissue involved with each organ and their function in transport mechanisms in plants.

15 years ago

• How does studying social institutions help sociologists understand society?

15 years ago

How long will it take to? 500 kms of wire, 1 curcuit breaker at one end and light at the other end. How long will it take, once the breaker is on for the electricity to travel 500kms to turn the light on.

15 years ago

Let f(x)= Cube root(x + 2) and g(x) = x^3 - 2. Which of the following are true? I. g(x) = f^-1(x) for all the real values of x. II. (f£»g) (x) = 1 for all reak values of x. III. The Function is one-to-one.

15 years ago

The 5 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest.What is the coefficient of friction between the block and th...

15 years ago

a rectangle with perimeter of 198 cm is divided into 5 congruent rectangles. What is the perimeter of one of the five congruent rectangles? i got the expression 5w + 4L = 198 the rectangle has two smaller rectangle on the top facing horizontally on the to...

15 years ago

Find the equation of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) at the point ( -3 , -1 )

15 years ago

Suppose 4 days before the day after tomorrow was Thursday. What day of the week was yesterday?

14 years ago

A flat uniform circular disk (radius = 2.10 m, mass = 1.00 102 kg) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 40.0-kg person, standing 1.00 m from the ax...

14 years ago

A rock is dropped from a height of 130.0 meters. With what velocity does it land? How long does it take to fall?

14 years ago

How much work must be done to stop a 970 kg car traveling at 115 km/h?

14 years ago

A 2.60-kg block is attached to a horizontal spring that has a spring constant of 160. N/m. At the instant when the displacement of the spring from its unstrained length is -0.115 m, what is the acceleration a of the object?

14 years ago

find the deceleration of a cyclist reduces from 2.5m/s to 1.0 m/s in 12s?

14 years ago

A child rolls a ball on a level floor 3.4 m to another child. If the ball makes 9.0 revolutions, what is its diameter?

14 years ago

A 4.5 kg bag of groceries is in equilibrium on an incline of angle θ = 55°. Find the normal force of the incline on the bag.

14 years ago

You have 353 mL of a 1.25 M potassium Chloride solution, but you need to make a 0.50 M potassium Chloride solution. How many milliliters of water must you add to the original 1.25 M solution to make the 0.50 M potassium Chloride solution

14 years ago

52.8 mL of a calcium chloride solution with unknown concentration was treated with phosphoric acid to remove all of the calcium ions in the form of a precipitate. The precipitate was filtered, dried and was found to have the mass of 3.9565 g. What was the...

14 years ago

what are the chemical reactions involved in Glycolysis? What are the chemical reactions involved in Photosynthesis? What is the binomial name for MRSA? Is it a virus or a bacteriuM? If it is a virus what group does it belong to? If it is a bacterium what...

17 years ago

This is the equation ln(P2/P1) = -DHvap/R * (1/T2- 1/T1) but how do i get the pressure values and tempature values?

17 years ago

The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 400C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at t...

17 years ago

Ms. Sue, I belived, the rhetoricla device was euphemism because the late-term procedure was adopt. On the other way, the opposition refer to the different bill name. Kevin,

17 years ago

Writeacher, I believed, the fallancy was a scapegoating because the author was blaming the representatives should have the integrity. Please advices,

17 years ago

The first thing that you to is distribute the -5 to both the terms in parenthesese. So you get -10W-5=25. than you add five to both sides and get -10w=30. The last thing you do is divide both sides by -10. w=-3.

17 years ago

it does boil at 100c I have tred it with a science project in fourt grade

17 years ago

Hey Fubu what is up. BTW, the scientific name is the same.

16 years ago

I'm guessing you know who I am Fubu...I'm kinda stuck on the Cyanobacteria classes.

16 years ago

LOL, y do your guys all post here about the project. I think he means Prochlorobacteria... I thought you quit biology hnrs Clair.

16 years ago

I need to unscramble E O E R A A R V N D E I H R S E H V D L N E R L F E A G.......It has something to do with Christman

16 years ago

NH3 is a base because it accepts a proton from H2O.

16 years ago

So q=mc(Tf-Ti) could be written as Delta H=mc(Tf-Ti) assuming the pressure is constant?

16 years ago

That's very cool! Thank you for your time!

16 years ago

I am coming up with (-5,-2,4) for my answer and I see you x=5

16 years ago

So would it be rate = (10^-7)*(10^-7)*(1.4X10^11)

16 years ago

Give them fish they will eat for a day. Teach them to fish they will eat for years. With regard to low income countries and based on your knowledge and understanding of culture, society and social stratification provide support for or criticism of this st...

16 years ago

I totally agree with the statement. Everyday people around the world is trying to make life better in some kind of way. I think showing these people new skills and ways they can benefit from it, people would be more excited to learn new things everyday. I...

16 years ago

The origin is (0,0) Both the x and y intercepts at the origin are always 0.

16 years ago

just throwing out a number because i'm bored: 55.8741 was what i got. I'm no chemist, but i wanted to take a shot at it and now i'm curious how close the real answer is to mine.

14 years ago

Area equals length times width. A square has equal length sides so the answer is a number times itself that comes out to 400. 20 x 20 = 400. The length of each side is 20cm.

14 years ago

write out a number line from negative ten to positive ten, then you can have a visual reference to go by. Here is the order: -5,-7/8,-5/6, 6, 8. (least to greatest) fyi... -7/8 = -0.875 -5/6 = -0.833

14 years ago

so in other words, it took 1.5 hours to travel 150 km. Therefore, if you want velocity in km/hr it is 100 kilometers per hour.

14 years ago

Unless i'm missing something, you have everything set up already. The total volume is 206 cm3, so if the flow rate fills 15.5 cm3 per second, it would take 13.29 seconds to fill the container. 206/15.5.

14 years ago

the speed of light is 300,000,000 meters per second. 4x10 to the 8th is 400,000,000 meters. distance divided by the speed of light gives you the answer, 400 million divided by 300 million equals 1.33, therefor it would take 1.33 seconds for the signal to...

14 years ago

1.71 cause of Sig Figs

16 years ago

The one we used was sodium hypochlorite (NaOCl)

15 years ago

I still think its #1? is that correct?

15 years ago

I believe the 1st question is number 2. & the 2nd question is number 3. Can anyone confirm this. Thanks.

15 years ago

Ok really I don't know all of the steps but if you look at the da/dt of a) and put it over the dh/dt of b) then you get your answer. I don't know. I'm doing it right now. God Bless!

15 years ago

Microbiology affects a person on a daily basis because it starts from the things that we do to the things that we don't. Such as when we take Omega 3 Fish Oil Supplements, the oils, and the vitamins from within, helps us daily, without us even knowing abo...

15 years ago

Hey buddy, i'm pretty sure this is against the rules. just so you know, its unlikely that you'll get much help from this site. i think you should use a different site if you want help...the census, just a thought. best of luck to you, i can already tell y...

15 years ago

Thank you so is the first one true as well?

15 years ago

Are both of these false A unique format is one for which there is no similar competition in the market. A) True B) False I also think this one is false but again not sure A "head to head" format refers to a format that is trying to successfully program ag...

15 years ago

unique as in do they have a competitor

15 years ago

Never mind I'm not sure that's why i asked, how about the other question i think that's false do you?

15 years ago

i agree with the first one, but why would the second one be false? when somethings head to head wouldnt it be 2 programs battling and 1 trying to be successful?

15 years ago

you have to use the law of sines which a/sinA=b/sin B=c/ sin C where the top letter is the opposite side of the angle and the lower letter is the angle itself. first you would go about solving this for angle B by putting 12/sin 76=4/ sin B. doing simple a...

15 years ago

the first thing that you need to do is solve for x. The sum of the interior angles inside a pentagon is equal to 540 degrees. you come up with the equation 2x+6x+4x-6+2x-16+6x+2=540. Then you want to simplify it down to 20x-20=540. there are multiple ways...

15 years ago

is that exactly how it is showed or is there a log base? normally that means theres a log base 10 and if that is the case the answer is 10^3.2. in a more general sense x=b^y and putting it in terms of y the equation is y=logbx were b is subscripted i just...

15 years ago

opps i suppose i forgot to give the temperature change and it was a +19 degrees celcius

15 years ago

use the equation drbob222 gave you before. its the right one. you may have to convert the 5 L to mL first though for it to work or understand that ur answer is in L and convert it. one or the other

15 years ago

yep

15 years ago

it makes sense too because if you think about it you are making a 5.0 L solution and 191.20 mL isnt even 1/5 of a liter

15 years ago

specific heat of h2o is 4.184

15 years ago

if im missing any info plz tell me ill get back to it asap. it was put in a styrofoam cupand the temperature of the solution was measured directly if that helps at all. i just need to know i guess whether or not im treating the data as a coffee cup calori...

15 years ago

you have to convert it from joules to calories and idk that off hand but other then that it looks good so far

15 years ago

theres 2 different methods u could do. u could solve for either x or y in one of the equations and replace the one you solved for. thatd be the easiest with those numbers

15 years ago

sry we have not gotten that far yet. wish i could help

15 years ago

yes

15 years ago

you have to keep in mind its asking for the greatest increase ionization energy when the between the removal of the first and second electron. That is basically saying it will lose 1 electron no problem but the second one would be a lot harder. therefore...

15 years ago

yep

15 years ago

you shouldve got a bigger answer and ur solving for the kj not kj/mol. remember you have to multiply the 2000 moles by the 4130 kj/mol to get rid of the mole.

15 years ago

you had it set up right before. ur messing up the algebra. you were solving for the x kj so in order to do that you would have to multiply both sides by the 2000 moles. the moles and 200o would cancel on one side and just the moles on the other. but your...

15 years ago

now you just multiply them. the number you had before was right just not the whole cancelling out stuff.

15 years ago

alright. the first one would be easiest if you multiplied out the numbers before the parenthesiss into the numbers inside. so itll look like 50=3r+48-2r+4.the u can simplify the right side and get 50=r+52. subtract 52 from both sides and your answer is r=...

15 years ago

So when asked to draw the molecular orbital configuration, you draw the orbital configurations for each element in the compound while doing something with the pi and sigma bonds?

15 years ago

I'm having trouble finding Q2. -5.2 x 10^19 x 6.2 x 10 ^18?

15 years ago

Max wants to hang a picture 2 3/4 inches above a desk. His ruler is marked in 1/16ths. Max must use which measurement to hangb the picture? A. 2 1/16inches B. 2 3/16inches C. 2 9/16inches D. 2 12/16inches

15 years ago

i don't get this 8-9*.83333333333 does not equal 21*.83333333333-17 WHen you substitute in 5/6 it doesn't equal PLEASE HELP TNX!!!!!!

15 years ago

.52

15 years ago

1. b

15 years ago

1 torr = 0.001316 atm Do the conversion now. (.001316 atm/ 1 torr) x 832 torr. This cancels the torr unit and gives you the conversion into atm. 832 * .001316 = 1.094912 atm

14 years ago

1 pound per square inch = 0.0680459639 atm (.0608 atm / 1 psi) x 17.4 psi. This cancels the psi unit and gives your answer in atm.

14 years ago

stroll is to walk opposite of enormous can be small or tiny, you choose opposite of release can be throttle or suppress, you choose sorry i do not know the first one

14 years ago

well there are several anwers to this problem, actually. here they are: 6.0831 6.0832 6.0833 6.0834

14 years ago

24 radical 152 is the same as 48 radical 38

14 years ago

Thank You!

14 years ago

i got the moles of Ca3(PO4)2=0.01275549 but how do i covert that to moles of CaCl2? using the stoichiometric ratio which is 1:1 or am i doing something wrong

14 years ago

In general, the orders (exponents) in a rate law can turn out to be positive or negative rational numbers, so -1 is a possibility.

14 years ago

14 x 6 / 28

14 years ago

Not even a question lol.

14 years ago

Helps a bunch thank you.

14 years ago

Just to confirm, the answer is 2.004748935 x 10^-5, right?

14 years ago

ah man. i've got this too. for anyone that can help, the fact that the electron moves at close to the speed of light and thus Einstein's theory of special relativity will effect any lengths (based on the reference point) has to be taken into account. i th...

14 years ago

circumference of a cirle = pi x diameter. pi = 3.1415926535 (or just use pi button on calculator) Diameter = 2 x radius radius = 6380 (+620) or 7000km now you have all the info you need, plug in the numbers

14 years ago

I believe the elements with 8 electrons should be the noble gasses. Argon, Krypton,...etc.

14 years ago

though if you're going off of the mean (average) week 4 would get 55 customers oddly enough the median (middle number) is 55 as well. There is no mode (most common number) to calc. average, 30+55+80=165/3=55

14 years ago

The first answer is still correct based on trend so i would go with that

14 years ago

1/10 plus 1/10 gives you 2/10 or 1/5

13 years ago

This is saying that Kelly's sister is 1/2 the height of 144cm. 144/2=72cm So her sister is 72cm. if you want to convert this to inches, one inch equals 2.54cm.

13 years ago

thanks

13 years ago

well for the first one, should the answer be... K = [H2O]^2 ----------- [H2]^2 + [O2] or should it just be... K = [H2O]^2?

13 years ago

What volume of 0.1125 M K2Cr2O7 would be required to oxidize 48.16 mL of 0.1006 M Na2SO3 in acidic solution? The products include Cr3+ and SO42- ions.

13 years ago

no

13 years ago

Wait my mistake i mean regular price %25

13 years ago

Again $25 :P

13 years ago

a. Probability of drawing a white ball is 10(number of white balls)/ 30 (total number of balls) since the balls are replaced, the probability remains the same for the second ball, that is 10/30. To determine probability of drawing balls with replacement i...

13 years ago

Did you try velocity squared, then multiplied by the density?

13 years ago

Na+/K= pump, due to it being a active transport. Active transport requires ENERGY (ATP). The rest of the choices are all passive transport, which do not require ENERGY.

13 years ago

Passages 1 and 2 compose of similar knowledge to inform the reader of the Okefenokee Swamp. While the passages’ material may equally compare, the purpose and style of the pieces heavily differ. Passage 1 entails a concise expository that strictly informs...

13 years ago

I think I need more help. I tried but I think I'm going in circles on this one and not thinking clearly at this point.

13 years ago

To keep the cylinder in equilibrium both side must be equal. (m1)*(v^2/r)=(m2)*g Left side=Right side (v^2/r) = (m2)*g / m1 isolate “v” on the left… v^2 = (m12)*g*r/m1 v = sqrt((m2)*g*r /(m1)) plug in the values and you are done… v = sqrt(2.5*9.81*.2)/(1....

13 years ago

I don't know how to substitute these equations from my question please help!

13 years ago

A rectangle is 20 inches tall it's area is 260 inches what is the width

13 years ago

Rules for counting significant figures are summarized below. Zeros within a number are always significant. Both 4308 and 40.05 contain four significant figures. Zeros that do nothing but set the decimal point are not significant. Thus, 470,000 has two sig...

13 years ago

C = epsilon0*A/d = 8.85*10^-12*0.849/0.001 = 7.51*10^-13 farads Your steps are correct but your answer is miscalculated.

13 years ago

Just wondering what did you do in this log((7x-3)(25)/(x+3) = 2 to get 25(7x - 3)/(x+3) = 10^2 = 100?

13 years ago

Thank ya chile

12 years ago

Thank you so much!

12 years ago