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February

Questions Asked on February 25, 2008

Which of the following is the best definition of Hess' Law?A. Since enthalpy is a state function, it will be different if a
1. 2 answers
2. asked by Anonymous
3. 1,532 views
I have to write a short essay on a movie called the seventh seal and I was wondering about a certain part that interested me and
1. 1 answer
2. asked by LT
3. 457 views
When diluting a concentrated acid, add(water or acid) slowly to (water or acid) with sirring. I think you add acid slowly to
1. 1 answer
2. asked by Anonymous
3. 546 views
Based on H f = –1275 kJmol of glucose, the formation of glucose will be(endothermic or exothermic) and heat will be (released
1. 1 answer
2. asked by Anonymous
3. 400 views
Is Indiana's major lake, Lake Michigan? Can you also give me some information on it please?
1. 6 answers
2. asked by Peter
3. 461 views
Can someone please give an example of how i can use this formula in a word problem...Work out (J) Percent efficiency(e)=
1. 1 answer
2. asked by Soraya
3. 485 views
Can someone please give an example of how i can use this formula in a word problem...Percent efficiency= Work out (J)
1. 1 answer
2. asked by Soraya
3. 426 views
If steak is a normal good and its price rises
1. 1 answer
2. asked by jaka
3. 616 views
the fuel methanol(CH3OH) is made by the reaction of carbon monoxide and hydrogen.a) write the balanced chemical reaction b)how
1. 3 answers
2. asked by g3mini
3. 2,363 views
How many moles of Carbon dioxide are produced from the decompostion of 1.45 grams of Aluminum Carbonate?
1. 4 answers
2. asked by Barb
3. 497 views
WHICH OF THE FOLLOWIN IS A METHOD OF FORMAL AMENDMENT ???
1. 2 answers
2. asked by EDGAR
3. 975 views
What is the mass of hydrogen produced from the reaction of 2.31 grams of HCl with magnesium?
1. 2 answers
2. asked by Barb
3. 523 views
How many grams of potassium sulfide are produced from the reaction of 1.23 moles of potassium with sulfur?
1. 1 answer
2. asked by Barb
3. 980 views
You are working as assistant to a major movie producer from Hollywood, but mainly you look after pre-release film publicity. You
1. 2 answers
2. asked by maryam
3. 1,253 views
exploring variables in probability building spinners... a spinner with 5 pies. red=1/6 blue=1/3 green=1/6th yellow =1/6
1. 1 answer
2. asked by Linda for Justin
3. 423 views
How many stereoisomers are there for 1,2-dichlorocyclopentane?:a) 1 b) 2 c) 3 d) 4 answer: "B" (2)??? or: "D" (4)??? How many
1. 2 answers
2. asked by K
3. 1,366 views
Which of the following is NOT true about the thermodynamic standard state?A. A gas is in its standard state when its pressure is
1. 2 answers
2. asked by Anonymous
3. 755 views
Which of the following is the formation reaction for CaO(s) ?A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. 2 Ca(s)
1. 4 answers
2. asked by Anonymous
3. 1,182 views
I am writing an essay about Ghost in The Shell the original film and I was thinking that the Ghost stance is pro technology than
1. 1 answer
2. asked by Ashley
3. 416 views
Which of the following is the formation reaction for CaO(s)Ca(s)+ 1/2O2(g)arrow Cao(s) is that right
1. 1 answer
2. asked by Anonymous
3. 789 views
the population of humorville is 8,500 people. in this town, jokes travel fast. in one hour, each person who hears a joke tells
1. 2 answers
2. asked by Brielle
3. 911 views
2x+3y=6
1. 1 answer
2. asked by heather
3. 302 views
I need help completing a statement of cash flow using the indirect method.
1. 0 answers
2. asked by Sonya
3. 428 views
Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left port at the same time. Three hours later they were 120 km
1. 2 answers
2. asked by jonathan
3. 2,472 views
What all goes on cash flow statement using an indirect method? How would it show on the sheet?
1. 0 answers
2. asked by Sonya
3. 424 views
M is designing and building a special computer for D. The price for the new computer is equal to M's costs of building it plus a
1. 0 answers
2. asked by Anonymous
3. 444 views
How do you complete the proof for the integration of dx/sqrt(a^2 - x^2) = arcsin (x/a) + C.a is a constant.
1. 1 answer
2. asked by Ally
3. 749 views
In triangle ABC, find <A to the nearest tength of a degree is m<B=95 degrees , b=15.4, a=8.0
1. 2 answers
2. asked by jonathan
3. 410 views
In triangle ABC, a=8, b=15, and m<C=40 degrees. Find the area of the triangle to one decimal place.
1. 1 answer
2. asked by jonathan
3. 439 views
How many stereoisomers are there for 1,2-dichlorocyclopentane
1. 0 answers
2. asked by Lynsey
3. 367 views
A park ranger at point A sights a redwood tree at point B at an angle 23 degrees from a fire tower at point C, From the fire
1. 3 answers
2. asked by jonathan
3. 718 views
4FeS2 + 11O2 yields 2Fe2O3 +8SO2. I don't understand this equation. FeS2 leads me to believe that the Fe here has a charge of +2
1. 1 answer
2. asked by kaley s
3. 1,074 views
how do you find average price at which the shares were issued? common stock without par value, 4000000 shares authorized, 800000
1. 1 answer
2. asked by nick
3. 1,056 views
Eliminate the parameter and write the corresponding rectangular equation. X=2cos theta, y=4sin theta
1. 1 answer
2. asked by Kristen
3. 1,966 views
what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1
1. 1 answer
2. asked by Kristen
3. 1,223 views
Is Mississinewa Lake a mjor lake in Indiana?
1. 2 answers
2. asked by Lucas
3. 461 views
Which countries wanted to join the European Union in 2002?
1. 0 answers
2. asked by Lacy
3. 407 views
How does the supreme court show that the constitution allows congress to exercise the power to regulate commerce within a state?
1. 0 answers
2. asked by Don
3. 400 views
how do you find retained earnings when.retained earnings, 245,200 net decrease in total assets, 37,400 net increase in A.R.
1. 0 answers
2. asked by nick
3. 452 views
Assume x and y are functions of t. Evaluate dy/dt.xy - 5x + 2x^3 = -70; dx/dt=-5, x=2, y=-3
1. 1 answer
2. asked by marie
3. 657 views
Assume x and y are functions of t. Evaluate dy/dt.xy - 5x + 2x^3 = -70; dx/dt=-5, x=2, y=-3
1. 2 answers
2. asked by marie
3. 720 views
hi my name is christina and i have an electrical question i need help with.i am taking power engineering electrical 188. the
1. 1 answer
2. asked by christina
3. 475 views
Can someone please help me with the following question. I am not sure even where to start.A 5-year annuity of 10 $9,000
1. 1 answer
2. asked by student
3. 775 views
Hi, I was wondering if you could possibly help me with this chem question.For the relatively slow decomposition of NOCL into NO
1. 1 answer
2. asked by Carlo
3. 1,121 views
what is the measure of the amount of force needed to move an object a certain distance?
1. 1 answer
2. asked by cn
3. 827 views
crystal wants to build a ramp that will rise 4ft over a horizontal distance of 20ft. how long will the ramp be? round to the
1. 1 answer
2. asked by carol
3. 575 views
Describe the inheritance and expression of cystic fibrosis, Tay-Sachs disease and sickle-cell anemia.I didn't understand what
1. 1 answer
2. asked by Anonymous
3. 853 views
How much iron (II) sulfide would be needed to prepare 15L of hydrogen sulfide? My balanced equation is 2HCl + FeS --> H2S +
1. 1 answer
2. asked by Jacob
3. 793 views
DICIPLINE OF THE MAN
1. 1 answer
2. asked by SHANKAR
3. 290 views
The question is:Can you photograph yourself in a mirror and focus the camera on both your image and the mirror frame? Explain. I
1. 2 answers
2. asked by Emily
3. 1,358 views
leer
1. 3 answers
2. asked by Anonymous
3. 401 views
Is the Mississineewa Lake A MAJOR LAKE at Indiana! And for peace sake I mean is it a Major! LAKE! in Indiana!!!! And I! don't
1. 7 answers
2. asked by Peter
3. 1,079 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine:a.In
1. 1 answer
2. asked by Math help
3. 1,132 views
4/5 - x/3=10
1. 1 answer
2. asked by mimi
3. 247 views
A 0.052-kg arrow is fired horizontally. The bowstring exerts an average force of 80 N on the arrow over a distance of 0.75 m.Wit
1. 2 answers
2. asked by Zach
3. 1,123 views
Quick question: what time zone are the times by the names in? and how many hours do you subtract or add to get the time for
1. 2 answers
2. asked by Emily
3. 438 views
What would the equation look like if you added bromine (Br) in the presence of CH2Cl2 (Dichloromethane) to cyclohexanol (C_6H_11
1. 7 answers
2. asked by K
3. 2,507 views
I have just moved and transferred to a new school. My chemistry class is really ahead of my old class, so I am having some
1. 3 answers
2. asked by Jessica
3. 991 views
The figure shows two points in an E-field: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates
1. 2 answers
2. asked by Samantha
3. 852 views
Why was carbon chosen over silicon in defining the mole?
1. 1 answer
2. asked by Kurst
3. 434 views
which sides slave on during the Civil war? and why did they switch side?
1. 0 answers
2. asked by robert
3. 354 views
Why sometime historian consider Narrative of Slaves are bias and not true ?
1. 1 answer
2. asked by Anonymous
3. 359 views
how will I be able to form the cis,trans and the cis,cis isomers of dibenzalacetone?
1. 0 answers
2. asked by kkk
3. 536 views
How do I declare how many boxes there are and how much per box with this information.....Write an IceCreamStation class in Java.
1. 0 answers
2. asked by Scotty
3. 686 views
At a certain distance from a point charge, the potential due to the charge is �|5.93 V, and the magnitude of the electric field
1. 1 answer
2. asked by Samantha
3. 1,259 views
FIND A FRACTION SUCH THAT: IF YOU ADD 2 TO THE NUMERATOR, IT BECOMES EQUIVALENT TO 0.5; AND IF YOU ADD 4 TO THE DENOMINATOR, IT
1. 1 answer
2. asked by chichi
3. 452 views
UNSCRAMBLE THESE LETTERS TO MAKE A MATHEMATICAL WORD.NORTHTREDEA
1. 1 answer
2. asked by chichi
3. 531 views
i am a multiple of 7.i am a fector of 210.the product of my two digit is odd.
1. 1 answer
2. asked by shennay
3. 353 views
Generalize this to fine a formula for the integral:sin(ax)cos(bx)dx Could someone tell me what they got for an answer so I can
1. 1 answer
2. asked by Jessica
3. 511 views
Calculate the integrals by partial fractions and using the indicated substitution. Show the results you get are the same.dx/1-x^
1. 1 answer
2. asked by Jessica
3. 579 views
in french what country is caledonie i can`t find it on the other sites mentioned before. thankyou
1. 0 answers
2. asked by carla
3. 447 views
i need help on these three..thank you...find the real number solutions of the equation..-2v^6=162h^5-12=-16h 3q^4+3q^3=6q^2+6q
1. 1 answer
2. asked by jimmy
3. 447 views
I need some help with my science homework. Well it is not really my homework it is my study guide but the actual test is the
1. 1 answer
2. asked by JAKE
3. 734 views
Why is;a) antimony pentafluroide Sb(-3) + F5(-1) --> SbF4 ? b) aluminium bromide hexahydrate Al(-1) + Br(-1) --> AlBr3 . 6H2O ?
1. 1 answer
2. asked by annie
3. 931 views
for my extended essay i need help reword a question. right now it sounds like a "book report" type question and i need it to a
1. 1 answer
2. asked by sara
3. 678 views
identify a new law or regulation that affects the practice of public health or community health nursing.
1. 1 answer
2. asked by Laly
3. 2,068 views
identify a new law or regulation that affects the practice of public health or community health nursing
1. 1 answer
2. asked by Laly
3. 499 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the68-95-99.7 Rule, Determine: a.In
1. 1 answer
2. asked by Math help
3. 849 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: In what
1. 1 answer
2. asked by Math help
3. 541 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What
1. 1 answer
2. asked by Math help
3. 479 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What
1. 2 answers
2. asked by Math help
3. 1,018 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What
1. 1 answer
2. asked by Math help
3. 473 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: 1. What
1. 1 answer
2. asked by Math help
3. 965 views
With the engines off, a spaceship is coasting at a velocity of +210 m/s through outer space. It fires a rocket straight ahead at
1. 1 answer
2. asked by Vaughn
3. 1,976 views
Batman (mass = 90 kg) jumps straight down from a bridge into a boat (mass = 530 kg) in which a criminal is fleeing. The velocity
1. 1 answer
2. asked by Zach
3. 3,697 views
on the story 'Lamb to the slaughter' what changes and feelings does Mary Maloney go through?
1. 0 answers
2. asked by Hannah
3. 1,347 views
A 50 kg pole vaulter falls from rest from a height of 5 meters onto a foam rubber pad. The pole vaulter comes to rest 0.22
1. 2 answers
2. asked by Anonymous
3. 991 views
According to Pew Research, the contact rate (probability of contacting a selected household) in 1997 was 69% and in 2003 was
1. 1 answer
2. asked by Danielle
3. 1,529 views
seeds of type A and type B are sold in packets, each must contain1) both type a and type b seeds 2) at least twice the amount of
1. 4 answers
2. asked by keisha
3. 895 views
what is the rate law of S2O8^2- + 3I- ---> 2SO4^2- + I3-
1. 1 answer
2. asked by Lauren
3. 1,106 views
The reaction X + Y --> Z the reaction rate is for to depend only upon the concentration of X. A plot of 1/X versus time gives a
1. 0 answers
2. asked by Lauren
3. 508 views
The foreces of attraction between molecules of I2 are:covalent bonds ionic bonds dipole-dipole attractions london forces
1. 1 answer
2. asked by Lauren
3. 1,103 views
I need help finding information on the Social Penetration Theory
1. 0 answers
2. asked by lori
3. 699 views
What are the fundamental differences between Western philosophies and Eastern ways of knowing? (Generally, how does each culture
1. 2 answers
2. asked by Dawn
3. 798 views
An aqueous solution of a non electrolyte boils at 100.32 degrees C. The expected freezing point for this solution is ______?(Kb
1. 1 answer
2. asked by Lauren
3. 670 views
Identify the optional criteria you want to include in your final project, and explain yourreasoning for selecting these options.
1. 3 answers
2. asked by Dawn
3. 726 views
what season is easter in? is it spring?how about thanksgiving day? what season is that in? How's the weather in winter for
1. 2 answers
2. asked by anonymous
3. 631 views
what are some nonliving and/or living factors that contributes to energy conservation?
1. 0 answers
2. asked by Anonymous
3. 820 views
When 0.627 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 102C is observed.Assume the
1. 1 answer
2. asked by Anonymous
3. 453 views
I am trying to understand what it means to be "incompetent" in Law. How is one judged as such?You can't tell by just looking at
1. 1 answer
2. asked by Mike
3. 548 views

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