Search: Chemistry- rate laws

Number of results: 107,739

chemistry
Which of the following rate laws is cor- rect for the given mechanism? You have not shown any rate laws.
Monday, January 10, 2011 at 10:04pm by Dr Russ

Chemistry- rate laws
rate for second order rxn = k(A)^2 0.1 = k(0.01)^2 Solve for k. Then substitute k into rate = k(A)^2 with A = 0.5 and solve for rate. The answer is 250 which i 2.5E2.
Tuesday, September 18, 2012 at 10:18am by DrBob222

chemistry
Determine the overall orders of the reactions to which the following rate laws apply: a) rate= k[NO2]^2 b) rate = k c) k [H2][Br2]^1/2 d) k [NO]^2[O2] is it.. a. 2 b. 0 c. 1 1/2 d. 3
Thursday, July 15, 2010 at 1:03am by Jin

Anthropologhy
Sumptuary laws are: (Points : 1) property laws. marriage laws. religious laws. civil laws.
Sunday, April 7, 2013 at 1:46pm by Tawnya

chemistry
Determine the overall orders of the reactions to which the following rate laws apply: a. rate = k[NO2]^2 b. rate = k c. rate = k[H2][Br2]^1/2 d. rate = k[NO]^2[O2] I think the answers are: a. Second Order b. Zero Order c. First Order for H2 and One-half order for Br2 d. Second...
Sunday, July 18, 2010 at 9:58pm by Sara

Government Check
What was the name of the discriminatory laws enacted in response to the 13th, 14th and 15th Amendments? a)Separate but Equal Laws *b)Jim Crow Laws c)Dred Scott Laws
Sunday, July 4, 2010 at 5:04pm by Ariel

Chemistry
Which of the following rate laws suggests that the reaction probably occurs in a single step? NO(g) + O2(g) → NO2(g) + O(g) rate = k[NO][O2] H2O2 + 3 I- + 2 H+→ I3- + 2 H2O rate= kl[H2O2][I-]+K2[H2O2][I-][H+] H2(g) + Br2(g) → 2 HBr(g) rate = k[H2...
Monday, May 16, 2011 at 9:55pm by dude

chemistry
Which of the following rate laws suggests that the reaction probably occurs in a single step? why is this problem cant be answer a since it has order of 1 a)(CH3)3CBr + OH- →(CH3)3COH + Br- rate = k[(CH3)3CBr] b)NO(g) + O2(g) → NO2(g) + O(g) rate = k[NO][O2...
Tuesday, May 18, 2010 at 12:34am by eng

Chemistry- rate laws
CH3CHO decomposes into methane gas and carbon monoxide gas. This is a 2nd order reaction. Rate of decomposition at 140 degrees Celsius is .10M/s when the concentration of CH3CHO is .010. What is the rate of the reaction when the concentration of CH3CHO is .50M? Have not been ...
Tuesday, September 18, 2012 at 10:18am by Nancy

Rate Laws
If the initial concentration of AB is 0.210 M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 75 s? The reaction is in the second order: rate=k[AB]^2 The rate constant is k=5.4*10^2 M*s I don't understand how to find A...
Saturday, February 20, 2010 at 3:13pm by Kyle

chemistry
The units of a rate constant for zero, first and second order reactions are given in the textbook. If the time units are minutes, what would you expect the units to be for a third order reaction? a. 1/min3 b. mol2/L2-min c. L/mol-min2 d. L2/mol2-min e. L2/mol2-min2 help help! ...
Saturday, February 18, 2012 at 9:19pm by elvis

Social Studies
Okay! I don't know the correct terminology for what I call MINI-LAWS. MINI-LAWS are laws added on to one big law. Example: Math has to make up 1/3rd of all lessons taught. MINI-LAWS would include...grades 3-12, college exempt. So can you tell me what the correct ...
Tuesday, July 22, 2008 at 3:14am by Minerva

history
Yes. All civilizations have laws. They may be only oral and not written laws, but people need rules and laws when they live together.
Tuesday, September 25, 2007 at 2:41pm by Ms. Sue

Managerial Economics
Some states have had laws restricting the ssale of most goods on Sunday. Consumers, by and large, oppose such laws because they find Sundat afternoon a convenient time to shop. Paradoxically, retail trade associations frequently support the laws. Discuss the reasons for ...
Wednesday, June 18, 2008 at 10:33am by Dee

Chemistry- Kinetics
2. At 600 K the decomposition of gas ohase nitroethane (CH3CH2NO2) is first order with a rate constant of 1.9*10^-4 s^-1. CH3CH2NO2 --> C2H4 + HNO2 a) Write out the differential and integrated rate laws for this reaction. b) If a 10.0g sample of nitroethane is heated to...
Saturday, April 7, 2012 at 10:14pm by Tasneem

Science
The correct verb is "are". "Laws" is plural. Newton is the discoverer of three laws of motion and one of gravity. A computer search will easily lead you to what the laws are.
Saturday, September 19, 2009 at 7:12pm by drwls

ethics question
how HIPAA, GLB, and COPPA laws can help ensure people's privacy. What is their ethical justification? Is there gray area in these laws? How do some businesses try to find their way around these laws?
Sunday, November 7, 2010 at 10:26pm by Anonymous

chemistry
rate laws: zero order is rate = k so units are M/s or moles/l*s 1st order is rate = k*(A) k = rate/(A) = moles/L*ws/(moles/L) = 1/s or s^-1. Here is a site that will give you the units of zero, 1st, 2nd, and a formula for calculating any order units for k. Just scroll to that ...
Friday, February 17, 2012 at 9:20pm by DrBob222

Chemistry
A + 2 B = C + D describes an elementary reaction, which takes place in a single step. Thus, the rate law must be a) rate = k (A)^2 b) rate = k (B)^2 c) rate = k (A) (B) d) rate = k (A) (B)^2 I think its D because there are 2 moles of B and 1 mole of A. Do you agree with my ...
Friday, February 24, 2012 at 2:34am by Mohamed

chemistry
Nitrogen monoxide reacts with hydrogen gas to form nitrogen gas and water (vapor). Write a balanced equation for this reaction. the reaction is experimentally found to be (approximately) first-order in H2 and second-order in NO. Write down the form of the experimentally-...
Wednesday, April 11, 2012 at 4:59pm by Kenzie

chemistry
Consider the 2-step reaction mechanism fast 2NO + H2 $ N2O+H2O slow N2O+H2 ! N2+H2O net 2NO + 2H2 ! N2 + 2H2O Which of the following rate laws is cor- rect for the given mechanism? Note that the constant k may represent a combination of elementary reaction rate constants.
Monday, January 10, 2011 at 10:04pm by Anonymous

chemistry
(B) is not in the rate expression; therefore, changing (B) will not affect the rate. If the rate order for A is 1, the answers are the same. If the rate order of A is 0, the rate doesn't depend on A or B.
Thursday, November 18, 2010 at 1:23pm by DrBob222

government
et, or dd, or dt, or ee, or tt, or ivy, or whoever, The president doesn't make laws. Congress does that. The president can suggest or propose laws, can sign them or veto them, but he doesn't make laws.
Saturday, November 22, 2008 at 6:09pm by Writeacher

chemistry
What is the rate? You don't list the rate or rate constant and I don't see any way to calculate the rate.
Sunday, February 21, 2010 at 9:42pm by DrBob222

chemistry
The equation A + 2 B = C + D describes an elementary reaction, which takes place in a single step. Thus, the rate law must be a. rate = k(A]2 b. rate = k(B]2 c. rate = k(A][B] d. rate = k(A][B]2 e. none of the above represents the rate law for this elementary reaction. help
Saturday, February 25, 2012 at 10:09am by bob

Chemistry.. kinetics
Initial rate Average rate instanteneous rate Which of these would have the highest value? Explain Please? Which one of these is typically used to determine the rate law for a reaction?
Tuesday, July 21, 2009 at 5:39pm by Sunshine

hcs/341
so even though we may find these things a a problem and waste of time to use these laws ands regulations are good so that the company, customers etc. do not get sued for not following the laws? so i woulod agree because it makes common sense to do it but it is taken over by if...
Monday, March 21, 2011 at 8:52pm by bobbi

history
Ideas for bills and laws come from citizens. If enough support is shown, then legislators propose and enact these laws. Also (sadly) -- many ideas for laws come from lobbyists who want to promote specific industries or special interests. To which groups of people do you refer?
Wednesday, February 27, 2008 at 8:43pm by Ms. Sue

u.s. government
The states make many of their own laws. But if all laws were made by the states and no laws were made by the federal government, then we wouldn't be one nation, but would be 50 separate nations.
Thursday, October 11, 2007 at 8:59pm by Ms. Sue

Chemistry
The rate of a reaction A ---> B is expressed by the rate expression rate=k(A)2. If the molar concentration of A is tripled, the rate of the reaction should increase by a factor of some many?
Saturday, February 9, 2013 at 5:49pm by Marcus

Early childhood education
You're welcome. Michigan's special ed laws cover children from birth to 25 -- which is longer than federal laws. It seems that some professors decided to ask the legislature for an ideal situation. Although they were prepared to compromise, the legislature went along ...
Wednesday, October 3, 2012 at 1:28pm by Ms. Sue

Chemistry
I am dealing with the integrated rate laws. Can somebody please help me with my algebra? First order ln(A)=-kt+ln(B) solve for t,and k and B Second order 1/(A) = kt+1/(B) solve for k and t and B
Monday, May 13, 2013 at 10:53pm by Agnes

government
PACs have been called “collection agencies” for interest groups. They were created to evade laws that forbid corporation and labor unions from giving money “directly” to federal candidates. These laws still exist. Aren’t the laws now a farce? Why does ...
Sunday, October 19, 2008 at 4:09pm by Anonymous

government
The Legislative Branch (Congress) makes the laws. The Executive Branch (President) make sure the laws are carried out. The Judicial Branch (courts) make sure that these laws and acts don't violate the U.S. Constitution.
Monday, April 13, 2009 at 4:33pm by Ms. Sue

social studies
how did the new laws affect the lives of americans in the year following the civil war? the new laws affected the lives of the americans in many ways. for instance, ( um, what are the new laws? if i know i'll be able to answer the question. i'll be on tonight until 8:00)
Wednesday, September 13, 2006 at 7:25pm by Jasmine

Chemistry
For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying concentrations are given below. run # [XO] [O2] rate, mol L-ls-l 1 0.010 0.010 2.5 2 0.010 0.020 5.0 3 0.030 0.020 45.0 The rate law is therefore a. rate = k[XO]...
Monday, February 20, 2012 at 4:29pm by Hannah

Science, Astrenomey
Just one more thing. Being a creationist does not mean you have to reject scientific theories. Even if God did create the universe, he had to use physical laws to do it. Maybe God is in control of those laws, and maybe not. If he is, he's done a pretty good job of making ...
Thursday, August 23, 2012 at 9:45am by Steve

Chemistry
rate 1 = k*(PCl3)^0(Cl2)^y rate 2 = k*(PCl3)^0(Cl2)^y The problem says rate increases by 4 when we double Cl2. So let's do that. Let's call rate 1 = 1 to make things simple; also, since (PCl3)^0 = 1 we can dispense with that, too. Then we will call (Cl2)= 1 with rate 1...
Wednesday, February 27, 2008 at 5:33pm by DrBob222

Chemistry
For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying concentrations are given below. run # [XO] [O2] rate, mol L-ls-l 1 0.010 0.010 2.5 2 0.010 0.020 5.0 3 0.030 0.020 45.0 The rate law is therefore a. rate = k[XO...
Monday, February 20, 2012 at 3:10pm by Hannah

Chemistry
X + Y --> Q The reaction above has the rate law: rate = k[X]³. When [X] is doubled the rate increases by a factor of ?
Wednesday, March 9, 2011 at 2:16pm by Anthony

Chemistry(Please check)
there is a difference between the rate constant, and the rate. Changing concentration affects rate.
Sunday, February 19, 2012 at 6:07pm by bobpursley

Science
How can we use Kepler's laws or Newton's laws to learn about these objects?
Thursday, July 26, 2012 at 5:18pm by David

HISTORY
IS U.S. Congress prohibited from passing laws that might conflict with state laws
Thursday, November 11, 2010 at 7:14pm by CARNITA

law
Abortion laws are state laws.
Thursday, March 7, 2013 at 1:16pm by Ms. Sue

Chemistry.. kinetics
Typically, initial rate is the highest. Instaneneous rate is the unit in the differential equation that solves the rate law.
Tuesday, July 21, 2009 at 5:39pm by bobpursley

general ethics question
Some industries and businesses have their own uniquely applicable laws and standards. In this thread, let's share our own experiences with industry standards. What field are you in? Are there specific laws and standards associated with this industry? Why are they in place...
Monday, November 8, 2010 at 3:45pm by Anonymous

U.S/history AP
Jim Crow laws were segregation laws that separated blacks and whites.
Monday, April 15, 2013 at 5:03pm by Ms. Sue

science
discuss the laws of electrostatic charges. for each of these laws, describe a lab activity you did which demonstrated the law
Sunday, December 5, 2010 at 11:31am by Anonymous

Managment
Is it necessary to have government structures to interpret and enforce laws? What would it be like if there were no laws in place?
Monday, December 8, 2008 at 8:18am by Will

chemistry-rate of reaction
rection rate=rate constant * conc^2
Sunday, December 2, 2012 at 12:07am by qwerty

chemistry
Nitric oxide (NO) can be removed from gas-fired power-plant emissions by reaction with methane as follows: CH4(g) + 4NO(g) --> 2N2(g) + CO2(g) + 2H2O(g) Complete the equation relating the rates for each of the following: a) the rate of appearance of N2 to the rate of ...
Monday, October 15, 2012 at 6:56pm by Brun

chemistry
For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying concentrations are given below. run # [XO] [O2] rate, mol L-l s-l 1 0.010 0.010 2.5 2 0.010 0.020 5.0 3 0.030 0.020 45.0 The rate law is therefore a. rate = k[XO...
Friday, February 17, 2012 at 9:18pm by steve

chemistry
What is the rate of the following reaction (M/s) if the rate constant for the reaction is 0.500 L•mol-1•s-1 and the concentration of each reactant is 0.0628 M. (The units for the rate constant depend upon the rate law). CO + NO2 --> CO2 + NO
Saturday, November 20, 2010 at 10:35pm by Confused

history
The responsibility of the legislative branch is to: A. Interpret the laws B. Enforce the laws C. Makes the lawas D. None of the above
Friday, January 16, 2009 at 1:56pm by Taffy

Laws
As long as there are laws there will be people who break them.
Wednesday, March 17, 2010 at 12:51pm by Damon

Chemistry
For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying concentrations are given below. run # [XO] [O2] rate,mol L-l s-1 1 0.010 0.010 2.5 2 0.010 0.020 5.0 3 0.030 0.020 45.0 The rate law is therefore a. rate = k[XO]...
Tuesday, February 21, 2012 at 5:18pm by Kay

chemistry
Wouldn't the rate of disappearance for H2O2 be the same as the rate of appearance of I2? And the rate of disappearance of I^- would be 1/2 rate of I2? Check my thinking.
Friday, November 27, 2009 at 6:13pm by DrBob222

Chemistry II
rate = k(A)(B)^2 rate = k(4)(7)^2 rate = k*4*49 you finish
Wednesday, September 30, 2009 at 1:35am by DrBob222

HCS/335
I agree with you. We all have different ethical views -- abortion is a good example. Laws are more exact and aren't open to a lot of interpretation. Of course, courts do differ on the interpretation of laws, but most laws are clear-cut. Another example is that cohabiting ...
Friday, February 4, 2011 at 6:25pm by Ms. Sue

chemistry
rate F2 = 3.632L/2.040 min = ? (?/rate UF4) = sqrt(molar mass UF4/2*19) Solve for rate UF4 gas, then rate = 3.632 L/min. You have rate and L, solve for min.
Tuesday, March 5, 2013 at 8:42pm by DrBob222

American Government
the Bureaucracy only administers laws, buy issuing regulations that conform to those laws (and court decisions).
Wednesday, September 9, 2009 at 2:05pm by bobpursley

Astronomy
The speed of light is the same for all observers, and the laws of physics are the same for all observers in uniform motion. These two statements are fundamental postulates of A) general relativity B) Newtons laws of motion C) special relativity D) the laws of electricity and ...
Sunday, March 28, 2010 at 3:26pm by Anonymous

Chemistry
1) The rate expression for the reaction 2 SO2 + O --> 2 SO3 is given by rate = k [SO2]2[O2]. The overall order of this reaction is: first order 2)The rate reaction between A and B is expressed as rate = k [A][B]. To produce the greatest increase in the reaction rate: ...
Sunday, December 23, 2007 at 8:42am by Anonymous

Philosophy
Are you limited to the United States? Can you consider state laws? How about laws that deal with gender, age or ethnic/religious groups?
Tuesday, April 30, 2013 at 7:23pm by PsyDAG

chemistry
I did 3 Experiments and got 3 rate as the following: Exp1: (S2O8)2-:0.05M; I-:0.05M rate:1.7x10^-5 M/s Exp2: (S2O8)2-:0.10M; I-:0.05M rate:3.4x10^-5 M/s Exp3:(S2O8)2-:0.05M; I-:0.10M rate:3.6x10^-5 M/s what effect does doubling [(S208)2-] have on the rate? By what factor does ...
Friday, October 1, 2010 at 1:07pm by Kimberly

history
It was basically so they could check the power. No one group would have total control. The Congress can't pass laws without going through the president, and the president can't pass laws without passing it through Congress. The same goes for the Judicial branch except ...
Wednesday, September 15, 2010 at 11:24pm by Ana

Chemistry
-rate A = -1/3 B = 1/2 C. Is that what you mean by "relative"? That means if A is disappearing at the rate of 0.480 M, then B is disappearing at the rate of 3*0.480M and C is appearing at the rate of 2*0.480M.
Saturday, July 16, 2011 at 2:09pm by DrBob222

Utopia
What do you mean "There are no gun laws"? Do you need a law saying that all guns are prohibited? Will hunters be allowed to have guns? What about traffic laws? Speed limits, stop signs? What about stealing? Do you want to have laws against theft? How can you make ...
Saturday, August 16, 2008 at 8:02pm by Ms. Sue

Social Studies
I think I know what the legislative branch, the executive branch, and the judical branch already is but I want to make sure. Legislative Branch- passes laws Executive Branch- Carries out the laws Judical Branch- Decides the meaning of laws Is this correct?
Wednesday, January 4, 2012 at 8:50pm by Jaycee

History
Right to vote is mostly political. Labor laws are more economic than anything else. Try to find the dominant intent of these issues and laws.
Tuesday, October 4, 2011 at 2:21pm by Ms. Sue

Chemistry
The reaction X + Y --> products was studied using the method of initial rates. The initial rate of consumption of X was measured in three different experiments. What is the value of the rate constant, k? *concentrations are in mol/L and initial rates are in molL-1s-1 ...
Wednesday, February 23, 2011 at 10:51am by Jamie

modern world history
A government of laws means that we are governed by laws, especially the Constitution. Following these laws leads to a fair and equitable treatment of the people. A government of men means that people govern. Because men are different from each other and not always rational or ...
Wednesday, September 12, 2007 at 8:04pm by Ms. Sue

Chemistry - Rate Determining Step
According to the Liebig law of "Minimum" and the Blackman law of limiting factors, the rate of a multi-step reaction is determined by the step which has the lowest rate or velocity. This step is called the Rate-Determining or Rate-limiting Step.
Tuesday, February 6, 2007 at 10:35pm by Hadi Farazdaghi

chemistry
3 CH3NH2 + 11 HNO3 ---> 3 CO2 + 13 H2O + 14 NO RATE OF DISAPPEARANCE OF NITRIC ACID IS 20M/min. what is the rate of reaction? at what rate is the concentration of carbon dioxide changing?
Sunday, December 5, 2010 at 1:17pm by candace

chemistry
The rate constant for this reaction was found to be 0.00550 s-1. What is the instantaneous rate of reaction when the concentration of dinitrogen pentoxide is 0.100 M? Rate = k[N2O5].
Thursday, April 26, 2012 at 5:15pm by Anonymous

Chemistry(Please check)
I don't think so. rate = k(A)^3 so k = rate/(A)^3 Plug in mol/L*min for rate and plug in moles^3/L^3 for A^3 and go through the algebra.
Sunday, February 19, 2012 at 5:43pm by DrBob222

Chemistry - Rate Law
The following example is given in my textbook: If a chemical equation is: NO2 (g) + CO (g) -> NO (g) + CO2 (g) The rate law is: Rate = k[NO2]^2 Usually you put in the reactants in their own sets of brackets, so why isn't the reactant CO involved in the rate law? I ...
Wednesday, January 31, 2007 at 4:44pm by Belinda

Chemistry
What is the correct rate law for the following reaction? 2 NO2(g) + F2(g) → 2 NO2F(g) rate = kf(NO)2 rate = -kf(NO2)2(F2) rate = kf(NO2)2(F2) rate = -kf(F2) Not enough information is available to determine the rate law.
Monday, May 16, 2011 at 9:52pm by dude

HCS/335
Are laws and regulations the problem or the solution in addressing ethical problems? Explain. What would be an alternative? I got this from ms.sue and i need to strech it into 300 words? can anyone help me? Laws and regulations help in guiding human services. However, they don...
Wednesday, February 2, 2011 at 5:46pm by Tina.....HELP PLZ

Chemistry
Graham's Law predicts that the ratio of the rate of effusion of gas X to the rate of gas Y equals the square root of the INVERTED ratio of their molar masses: Rate of X/Rate of Y = SQRT(My/Mx) What is the ratio of rate of effusion of Helium to Nitrogen gas? Enter your ...
Sunday, October 28, 2012 at 8:20pm by Anonymous

chemistry
(rate 1/rate 2) = sqrt(M2/M1) rate = 4.83/sec and 9.23/sec.
Wednesday, October 31, 2012 at 5:41pm by DrBob222

chemistry
For the reaction, A = B + C, the rate law is kA]. If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be transformed into products, what is the value of the rate constant? a. 0.00450 s-1 b. 0.0290 s 1 c. 0.00530 s-1 d. 0.0150 s-1 e. 5.40 s-1 chemistry - DrBob222, ...
Saturday, February 18, 2012 at 9:20pm by elvis

Personal Finance
are major consumer protection laws and consumer credit laws the same thing?
Friday, December 9, 2011 at 9:30pm by Anonymous

law/421
When the local customs and laws conflict with the customs and laws of an organization operating abroad, which should prevail? Explain why.
Monday, August 6, 2012 at 3:29pm by amt

Chemistry
The rate equation is rate = k(CO)^x(O2)^y. Divide rate 2 by rate 1. 0.226/0.113 = 2 and 2 = (0.300)x(0.150)y/(0.150)x(0.150)y Note that 0.150y cancels with 0.150y and leaves just 2= (2)x and x must be 1. Do the same thing for rate 3 divided by rate 2 and determine y. You ...
Thursday, June 30, 2011 at 11:11pm by DrBob222

American history
The states determine many of their own laws, including school funding, income taxes, minimum drinking age, motor vehicle laws, and death penalty.
Wednesday, October 1, 2008 at 8:11pm by Ms. Sue

Mississippi
Does anyone know where I can find Mississippi's landlord laws? Or laws related to having cars towed? Thanks.
Friday, August 24, 2007 at 4:57pm by Kat

CULTURAL DIVERSITY
I never thought I'd say this -- but fake the answers. If you don't want to offer this survey to real friends and relatives, then make up the answers. I'd be tempted, if I were you, to say that all of you agreed that most of the descriptors apply to both groups. The...
Friday, November 16, 2007 at 5:30pm by Ms. Sue

Social St.!!!ASAP!!!!
The worst laws for the colonists were not the worst laws for Parliament. From which point of view are you asking this question? What does your book say?
Monday, November 22, 2010 at 6:11pm by Ms. Sue

Algebra
Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents?
Wednesday, December 8, 2010 at 8:01pm by Sam

algebra
Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents?
Thursday, November 18, 2010 at 9:52am by kelley

Health and Human Services
The U.S. legislative branch makes the laws. The judiciary branch determines whether these laws are legal according to the Constitution.
Saturday, September 13, 2008 at 8:09pm by Ms. Sue

ethnics
Legislation is laws. Federal legislation is laws passed by Congress.
Friday, September 14, 2007 at 9:26pm by Ms. Sue

Physics
Understanding Newton's First and Second Laws, why do all objets near Earth accelerate at a constant rate "g"? I'm very confused, is it something about how inertia keeps the objects accelerating? Please help , thank you.
Monday, November 3, 2008 at 7:22pm by Gerrad

Chemistry
using the gas laws, What is V in the table below? initial: 1420 torr 75 mL 200 K Final: 760 torr V 360 K What is T using the gas laws? Initial: 91.8 mL 365 K Final: 45.8 mL T
Wednesday, December 8, 2010 at 3:46pm by Becca

Chemistry
1. How is the rate affected by doubling the concentratino? 2. Explain the effect of concentration on the rate of a reaction in terms of the "Collision Theory" of chemical reactions. 3. Considering that 1/Time is proportional to the rate of the reaction how is the ...
Sunday, November 18, 2007 at 3:05pm by Dick Rogers

Chemistry
Choose a convenient volume such as 1 L. Then rate CO2 = 1L/200 s = ? rate unknown = 1L/280 s = (rate CO2/rate unk) = sqrt(MMunk/MMCO2) MM = molar mass. Solve for MM unk.l
Monday, February 18, 2013 at 11:56am by DrBob222

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