Alexa

This page lists questions and answers that were posted by visitors named Alexa.

Questions

The following questions were asked by visitors named Alexa.

There are several exceptions to the octet rule found along the transition and rare earth metal sections. These exceptions are tied to the observed phenomenon that atoms are more stable if orbital systems are either whole or half filled. In other words, th...

Can someone proofread a paragraph of my essay? This is my second revision, and I'm trying to make sure there are no subject/verb shifts. Stevens’ definition of dignity also forces him to forego a close relationship with his father. Stevens Sr. is a butler...

In our text book, the formula for finding the formal charge of an element in a compound is c(sub f) = X - (Y + Z/2) where x = the number of valence electrons y= the number of unshared electrons owned by the atom z= the number of bonding electrons shared b...

"Is the following species a dipole?" NH2Cl I have drawn out the lewis dot structure of the molecule and the electronegativy values I have are N- 3.0 Cl- 3.0 H- 2.1 I know that the electronegativity difference between N and Cl is 0 and the bond is non pola...

hey I am really stumped...I would really appreciate some help with this question 1.0560g of antacid is weighed and mixed with 75.00mL of excess 0.1126 M HCL. The excess acid required 4.68mL of 0.1008 M NaOH or back titration Calculate the neutalizing powe...

Mass of tablet: 1.4930g Volume of HCL added: 100ml Find the milimoles of HCL added I have many questions similar to this, could someone explain how to do this...do I just find the # of moles regularly and multiply by 1000? any help would be much appreciat...

What happend to African Americans'civil rights during wilsons presidnetry?

How do you graph the equation y=kx?

We are being asked to identify reasons that an article is or is not science using the list of 8 characteristics of science. What are the 8 characteristics of science?

I am looking for the full text of a poem that is called "Night". The first line is: Night is a purple pumpkin, Laced with a silver web. And the moon a golden spider, Wandering through the strands. It was written by Patricia _________ Can anyone help me? T...

Tell me about the Wright Brothers.

Out of gravity filtration, suction filtration, centrifuging or decanting, in general which process is the most rapid, and which is the least costly in terms of equipment, and which is the least efficient (decanting)? and using all 4 processes the precipit...

Is the SI unit of temperature celsius or kelvin? thanks

what causes an electromagnetic spectrum?

Please help with an assignment: I need to pick 5 articles from the Washington post, each addressing a moral issue. Each essay needs to have one moral issue question based on the following topics. 1. utilitarianism 2. Moral Rights 3. Distributive Justice 4...

How do you solve -(-2/3)^3 ?

Please look at my mini-essay and tell me what needs improvement! It's a response to a passage from a book. Thank you. :) Millions of people all around the world are living in the past or looking to the future. “2012 is the end of the world,” “When I was y...

ex. to study = etudier I need help on: to prefer to like better I need help on: to ask a question

conjugate the following verbs; jouer-to play je-joue tu-joues on-?????? manger-to eat on-???

ex. to study = etudier I need help on: to prefer to like better I need help on: to ask a question please translate these to french

A careless person wrote, using the figure in the shape of a Y the the left ray is OA the right ray is OB and the straight ray is OC, the measure of angle AOB + the measure of angle BOC=measure of angle AOC. What part of the Angle Addition Postulate did th...

what causes an acid-base reaction to occur? (hint: think about the products that form) I know salt and water form but I don't know why it happens...

In trisomy 21, most nondisjunction events take place during female meiosis rather than male meiosis. What might be one factor that can account for this difference? A) Female meiosis is more difficult than male because the gamete is much larger B) Female m...

Hi, does anyone know who Lord Townshend was? Just a little info would be fine,thx

How do you find the area of a trapezoid with a height of 9 and 1/5 and two bases of 14 feet and 20 feet?

How does a cell membrane help regulate internal conditions and maintain homeostasis?

Explain the process of diffusion and why it is energetically favorable.

Which statement about the electric dipole moment is true? u=qd a) A molecule is a strong dipole if the net charge separation occurs over a short distsnce within the molecule b) the unit of u is C/m c)A dipole exerts a larger force on a point charge than o...

I am also not 100% sure about the following question... a dipole and a point charge at close proximity a)always repel each other b)always attract each other c) never interact electrically d) attract or repel eachother based on the location of the point ch...

i need help simplyfying this question it is 8-5b-1. show me how you do it step by step. i would not mind a few notes

Based on the following values, calculate the Return on Assets? Gross Income = $2.7M || Net Income = $1.8M || Net Assets = $900K || Current Assets = $450K I'm having a hard time with this and unsure of the formula to use. Can you please help?

I am stumped on my last question which is using the discounted cash flow formula.... what effect will increase the required rate of return on the present value. I'm getting that it will be increased. Is this right?

a solution is prepared using .015 L of 1.0 M HCl and .020 L of .50 M HNO3. the final volume of the solution is 1.25 L. Answer th following questions. a)what are the [H3O+] and [OH-] in the final solution? b)What is the pH of the final solution?

A potassium hydroxide solution has a pH of 12.90. Enough cid is added to react with half of the OH- ions present. What is the pH of the resulting solution? Assume that the products of the neutralization have no effect on pH and that the amount of addition...

what pH values can be assigned to acids and bases respectively?

Write 2 separate balanced equations for the neutralization reactions of hydrochloric acid with sodium hydroxide and acetic acid with sodium hydroxide......i never get how to do that!

Do strong and weak acids require equal numbers of drops of NaOH to neutralize? I THINK not....but i am not entirely sure......

I need to make a power point presentation on the Freedom Summer event during the Civil Rights Movement period of time....so if anyone could list the order of events; that would be simply wonderful! And very much appreciated! I just need to know like the s...

What characteristic of phenolphthalein makes it appropriate to use in a HCl/NaOH titration? and is it possible to do a titration without it, and without using another indicator? Why? I really don't get all this because i was gone for the lesson.....

One of the questions on my worksheet asks: Litmus changes color between a pH of 5.5 and 8. This range is called.....BLANK. I don't really get what it wants me to put there--some help, please!

For the lab we just did in class, one of the questions wants to know what the molarity of the NaOH is for each of the 'trials' of titration we did. The only problem with this is that the only number given to me was that of the amount we used! (11.29 mL fo...

An airplane leaves airport A and flies 200 km. At this time its bearing from Airport B, 250 km to the west, is 120 degrees. How far is the airplane from B?

What were the main conflicts between Native Americans and the US government during the time of westward expansion? I need a list of the various clashes between our government and the Native Americans roughly around the time of 1860-1910....i've found a co...

In the book 1001 Arabian Nights what chapters deal with Humor through trickery of the innocent and Distrust of foreigners

how can my son a 5th grader be able to design an expermient with a lab report that theaches others how to use a balance correctly

What is Beowulf doing in lines 1250-1255 when he talks about the sword as a person but really isn't trying to personify it? and why is that even important?

HOW DO YOU FIND THE HEIGHT OF A TRIANGLE??????! I am taking my SAT tomorrow morning, and i am freaking out because i haven't taken geometry for 5 years and i can't even remember how to find the height of a simple triangle! You have no idea how stressed ou...

An atom has a valence shell configuration of ns2p5. To which group of elements in the periodic table does it belong? transition metals Halogens alkaline earth metals alkaline metal

K we are learning about Linear Equations and Graphs. And I'm doing the Slope-point Form, but I'm kind of having troubles with it. Liek I don't really get how to change the slope point form to the slope intercept one. Here is an example: y-5 = -1/2(x+4) y-...

What are some results of the Whiskey Rebellion?

what is a sixth grade division problem with the number 17 in it?

The element iron (Fe) is 45.8% by mass of a mixture. Write both conversion ratios for the following mass percent values.

How many Moles of H are in 2.20 moles of H3PO4? and how do you figure that out? Thanks!

Find an equation of the tangent line to the curve at (8,0). y=ln(x^2 -8x +1)

4. Plots of land between two roads are laid out according to the boundaries shown. The boundaries between the two roads are parallel. What is the length of Plot 3 along Cheshire Road? 46 yards 67 yards 66 yards 37 yards

to grow larger, arthropods must A grow a new endoskeleton. B grow a new exoskeleton. C add to the old endoskeleton. D add to the old exoskeleton. is it B?

determine whether the ordered pair is a solution; 6y-3x=-9,(1,-1) and 5y-2x=15 Also 2x+5y=-15

Growth by cell division that makes both ends of a plant longer but not wider is called A secondary growth. B annual ring growth. C vascular growth. D primary growth. is it D? thanks

Calculate the volume of oxygen you would need, at 1.00 atm and 298 K, to completely oxidize 51g of glucose.

Water (η = 1.00E-3 Pa*s) is flowing through a horizontal pipe with a volume flow rate of 0.0120 m3/s. As the figure below shows, there are two vertical tubes that project from the pipe. Assume that H = 0.0421 m and L = 0.706 m. Calculate the radius of the...

Block A of mass 2.0 kg and Block B of 8.0 kg are connected by a spring of spring constant 80 N/m and negligible mass. The system is being pulled to the right across a horizontal frictionless surface by a horizontal force of 4.0 N, with both blocks experie...

A 50 kg skater at rest on a frictionless rink throws a 2 kg ball, giving the ball a velocity of 10 m/s. Which statement describes the skaters subsequent motion? Explain please. a. 0.4 m/s in the same direction as the ball. b. 0.4 m/s in the opposite direc...

1) If m1 = 37°, what is the measure of 4? a. 53° b. 43° c. 37° d. 27° 2) If m1 = 40°, what is the measure of 5? a. 50° b. 40° c. 35° d. 25° 3) If m4 = 105°, then what is the m8? a. 105° b. 75° c. 175° d. 25° My Answer..... 1) b. 43° 2) a) 50° 3) d. 25°

Suppose. Population of test-scores is normally distributed with mean 65 and standard deviation 13 x~n (65,13) if you select a test at randome what is the probability that the score is below 60 or that it is between 65 and 70 please show work!

Journalist Walter Lippmann suggested that Question 18 options: 1) polling, even when done scientifically, cannot be trusted because it is in people’s nature to be dishonest in response to political questions. 2) the dominance of polling has brought about...

Hi, I am working on stoichiometry and limiting reactant problems. I have worked through examples in my book and I did them right and can solve for the excess, however there is one problem in the book that has confused me. I don't understand why they ident...

y-(-3)= -1/2(x-(0)) How do you solve this equation and graph?????

A sample of H2 is collected over water such that the combined hydrogen–water vapor sample is held at a pressure of 1 standard atmosphere. What is the partial pressure of the H2 if that of the water vapor is 2.5 kPa? A. 103.8 kPa B. 98.8 kPa C. 2.5 kPa D....

If the solubility of a gas in water is 1.22 g/L at 2.75 atm, what is its solubility (in g/L) at 1.0 atm? A. 0.44 g/L B. 3.97 g/L C. 2.25 g/L D. 3.36 g/L I think the answer is C.. i did 2.75 x 1.0 = 2.75 / 1.22 = 2.25 but people say the answer is A... why?...

Which of the following results from the presence of a solute in a given solvent? A. The vapor pressure of the solution is lower than that of the pure solvent. B. The boiling point of the solution is lower than that of the pure solvent. C. The freezing poi...

A 0.700 g sample containing Ag2O and inert material is heated, causing the silver oxide to decompose according to the following equation: 2 Ag2O(s) → 4 Ag(s) + O2(g) If 13.8 mL of gas are collected over water at 27°C and 1.00 atm external pressure, what i...

A gas mixture composed of helium and argon has a density of 0.846g/L at a 734mmHg and 298 K. What is the composition of the mixture by volume?

Which of these statements includes details about setting? A. A new student in school wants desperately to make friends. B. You can get satisfaction from trying, even if you do not succeed. C. The Great Depression had put half of the town out of work. D. N...

Which of the following sentences contains an action verb? A. Pahom's wife seems jealous of her sister. B. The Devil is happy about Pahom's boast. C. The grain dealer mentions the Bashkirs. D. Pahom becomes greedy for more land. I think its D??

The chaperone allowed it, so Sarita and Pepe _____ to dance. A. begun B. began C. beginned D. will have begun A or B which A sounds better?

Which of the following passages from “The Garden of Stubborn Cats” is a clue that the cats symbolize resistance to order? A. “Following his tabby friend, Marcovaldo had started looking at places as if through the round eyes of a cat ….” B. “On the other h...

The homework question is : Calculate the Delta H for the following reaction: C6H6 + O2 -> C + H2O(l) State whether the reaction is exothermic or endothermic. I'm not sure where to go with this but so far I balanced out the formula to this C6H6 + (3/2)O2 -...

if x erasers have a weight of 80 grams, what is the total weight of 50 erasers?

Milky uses 192 beads to make a bracelet and a necklace.It takes 5 times as many beads to make a necklace than it does to make a bracelet.How many beads are used to make the necklace 192 divided by 5 is 38 and I got remainder of 2 but I don't know what I d...

Essay: Honor Introduction/Topic sentence: Courage, strength, and dignity is a very hard goal to achieve and to accomplish in ones life. Many have not succeeded in such a gift in their life but they took it for granted. How can you fix these two sentences...

A tire leaves a track of fresh snow. The area of the track is 250 square feet. How many turns does the tire make?

Write the conditional statement that the Venn diagram illustrates. The Venn diagram includes a large circle and it says quadrilateral and a small circle in it that says squares. Would this be the answer: If quadrilaterals are a four sided figure then in i...

What is the value of x? Justify each step. AC=32 2x 6x+8 .__________________._________________. A B C Drawing not to scale AB + BC = AC a.segment addition postulate 2x + 6x + 8 =32 b.substitution 8x + 8 = 32 c.simplification 8x = 24 d.addition property of...

What is the value of x? Justify each step. AC=32 2x 6x+8 .__________________._________________. A B C Drawing not to scale AB + BC = AC a.segment addition postulate 2x + 6x + 8 =32 b.substitution 8x + 8 = 32 c.simplification 8x = 24 d.addition property of...

Use the Distance Formula and the x-axis of the coordinate plane. Show why the distance between two points on a number line (the x-axis) is | a – b |, where a and b are the x-coordinates of the points. How would I solve this?

An airplane is heading at a bearing of N23°E at a speed of 700 km/hr, but there is a wind blowing from the west at 60 km/hr. If the plane does not make any correction, what will be the bearing of the plane? What is its speed relative to the ground (ground...

The hypotenuse of a right triangle has length 8. The area of the triangle is also 8 units squared. What is the perimeter of the triangle?

Answers

The following answers were posted by visitors named Alexa.

btw mililoles: mmoles right?

thanks for the help!

Third graders: x Fifth graders: 6+x Fourth graders: x (equal number as third graders) Assuming that there is no other grades in the band 33 = x+(x+6)+x 33 equals the sum of all the parts 33 = 3x +6 Bring together like terms 27 = 3x Solve for x x = 9 There...

I found it in a book...unfortunately, the photo copy I had went through the laundry and the book is at school...UGH! We have searched Google and found part of the text but not the full text and author's last name...;-(

Thank you so much, you saved me! I can look up the author tomorrow at school! Thanks again!

hmmmm.....look it up on google, do you know anything about the Wright Brothers?

It's prelab. I will wait for the lab just wanted to get a jump start but guess I should be patient. The last questions was about all 4 gravity, suction, centrifuging and decanting thank You

put it in slope intercept form by getting the y on the one side by itself ex: y=4x-9 (not answer)

please translate theses to french:-)

thank you very much:-) I enjoyed your help

yes water is a dependent variable.

did you mean Is the Tropical Rainforest an ecosystem? well here is a definition for ecosystem. Ecosystems are the interactions between the living things and the nonliving things in a place. In an ecosystem, the plants, animals, and other organisms rely on...

you're welcome:-)

ft would have to be feet

I really love that, I couldn't have done better myself:-)

It means that there are many things out there for us to discover, but in order to find them, we must first create the tools/technology in order to make the discoveries.

No, soy cansado I can't say I'm right. If I am then I will help you with the rest.

you're welcome. I find your poem really neat:-)

The antifederalists opposed the constitution because their leading argument, however, centered on the constitutions lack of protection for individual rights. or you can say Because they thought that it would change the way the nation is.To make it more di...

hasta luego, which means see you later or Te veré en otro momento, which means I will see you some other time.

Self Mutilation

--International Child Trafficking Laws/development of laws -- Development of Women's Rights in the US -- History of the Israeli/Palestinian conflict -- Progression of Birth Control options for women in the US -- an analysis of education differences depend...

isn't this a partner assignment?

please type your subject in the school subject box.

just type in rational numbers on google, and you'll come up with a lot of searches that will help you.

Minus 1 (-1), because for any other negative integer n, n < -1

yes, that is correct

3y+(-2)=7 3y-2=7 y=3

can you please retype that in in lowercase letters, it will then become easier to read

Missouri, Illinois, and Kentucky

The bow and arrow was the preferred weapon for the legendary Robin Hood.

They are numbers that follow each other. "5, 6, 7, 8..." are consecutive numbers. They are numbers that have a sequence.

A fraction is one integer divided by another. When reducing fractions to lowest terms, if both numerator and denominator are divisble by the same integer, the fraction can be reduced to lower terms by canceling out that common factor.

Rain, sleet, and hail all contain ice particles. They differ in the way they are formed, and under the prospects they are formed.

Lets start from the beginning. A noun is a word that stands for a person,place,thing or idea. It can be singular or plural. A common noun doesn't need to begin with a capital letter. A Proper noun is a name given to a specific person,place or thing. A pro...

2)It is the other way around. Democritus is an ancient greek philosopher. He didn't have any technology or knowledge that Danton had.

Try to space far from your sentences and words, that may work. Ex.I like to play Tennis. Make this sentence like this: I l i k e to play tennis.

Thousands of people in the major war of history, known as the "Civil War" had died due to states rights. Southern States believed that they had the right to determine their own priorities and this led to secession. They didn’t want to be controlled or rul...

yeah, happy holidays. You should listen to bobpursely and do your theseis his way. I actually never read your "assignment" given to you. I just read your paragraph randomly. Sorry for giving you wrong info.

do you prefer french? préférer is a cognate for prefer.

Go to wikipedia(Democratic party) it has some describing words in there, which start with the letters D,...etc.

Start it off with D for discriminating

A synonym for the word lieu would be place as well.

based on the other question I asked the answer for this question would have to be d) as "a dipole exerts a larger force on a point charge than on another dipole the same distance" thank you!

so that second one would end up being: NaOH + CH3COOH--> Na+ CH3COO + H2O ....right?

25c^2 - 40c - 9 you just FOIL it! (first, outside, inside, last) multiply it over in an arc shape....the first number of the first () times the first number of the second (), and so on and so forth!

Thank you VERY much!

fabulous. thanks EVER so much for the intelligent help--you know, you should get a teaching degree.

wow! Thank you! That was really REALLY helpful! THANKS!

I hate FLVS -__- The answers are like never in the lesson reading material :P

Ok, thanks to both of u so much:)

p= 2L + 2W P= 2*8.6 + 2*2.5 P= 17.2 + 2*2.5 P= 17.2 + 5 P= 22.2 inches or centimeters or whatever units they are in.

Earth's rotation period is 24 hours. Earth's revolution period is 365 days.

1000 milliliters in a liter so 9600 mL

The equation would be 2x + 3.50 = 30.50. Basically, x represents the shirts and since there are two shirts, we multiply x by 2. $3.50 is added because one shirt is $3.50 more than another. Isolate the variable. Subtract 3.50 from 30.50 which would equal 2...

n!/r!(n-r)! 8!/4!(8-4)! = 70

a) Gravitational potential energy = mgh = (106kg)(10m/2^2)(1.96106m) = 2078.7236 J b) F = ma = (10kg)(10 m/s^2) = 100 N

Connective tissue wraps around to protect the organs, store nutrients, attach muscles and bones, are found in deep layers of skin to give it strength. On the other hand, nerve tissue conduct impulses to and from organs via neurons. They are mainly found i...

Use Poiseuille's Law, and sub rho*g*h for (P2-P1)

Please help Please help please help me with my homework !!!!!! :( :( :( :( *sad*

Someone please explain this to me. I thought the smaller number is the limiting reactant but it appears its not the case here.

thanks!!! i will ask some more later(:

that makes sense thank u!

A.) .55067 B.) .30119 C.).3297

Your cheating isn't helping you Hannah, I hope you know that this will be seen by the school, and there will be major punishment, and webmails going to your mother. I hope you don't mind that!

What is a great way to start a compare and contrast essay about honor? I want to compare Julius Caesar and Abraham Lincoln, the two great honorable men of our history.

2x 6x + 8 .__________.__________. A B C this is a more accurate scale drawing

thank you so much!

Can you explain how to get these from here: 700 @ N23°E = (273.51,644.35) (333.51,644.35) = 725.55 @ N27.36°E

Thanks Steve, but how do you get to this step? (a+b)^2 = a^2+2ab+b^2 = 8+32 = 40

But still not sure how you come up with this formula (a+b)^2 ?

I'm sorry, should be geometry (math)

Can you explain more Sunny?

I was thinking that too.Thank you

So it would be D?

Thank you darling!

Consider the line through the points (3,2,5) and (1,1,1). Consider the plane A that is perpendicular to this line, and passing through the point (-1,0,2). Consider the plane B that passes through the points (1,-1,0), (0,2,0), and (0,5,2). Consider the int...

Thank you so much!

2π * 7 * 45 = 630π = 1978.2cm^2 then would that be my final answer?

1/3 (pi *r^2)(h) ?

75.40 cm^3 would that be the final answer?

girl i feel your pain

MS SUE WHATS GOOD

THANK YOU FOR THE ANSWER

yes please do give me your interpretation..

Thank you for the help, but I am confused on as to why you used 8 instead of 1/8? Is it because the whole pool is being filled or.. ?

Oh okay! Thank you for the help! I think I understand now. Thank you!