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July 23, 2014

Search: A zero-order reaction has a constant rate of 1.70×10−4 . If after 80.0 seconds the concentration has dropped to 6.00×10−2 , what was the initial concentration?

Number of results: 52,265

chemistry-rate of reaction
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 3.59110−3 M−1s−1. What is the initial rate of reaction in a reactor filled ...
December 2, 2012 by Ron

CHEMISTRY!
A zero-order reaction has a constant rate of 3.4010−4 M/s. If after 80.0 seconds the concentration has dropped to 6.0010−2 M, what was the initial concentration?
February 25, 2009 by Reese

chemistry
1) The activation energy of a certain reaction is 35.3 kJ/mol. At 20 degrees C, the rate constant is 0.0130 s^-1. At what temperature would this reaction go twice as fast? Answer in units of degrees Celsius. i think the answer is around 34, but i keep in getting it screwed up...
January 29, 2008 by Evets

Chemistry
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 4.09110−3 M−1s−1. What is the initial rate of reaction in a reactor filled ...
November 29, 2012 by Odesa

chemistry
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 2.59110−3 M−1s−1. What is the initial rate of reaction in a reactor filled ...
November 29, 2012 by mike

chemistry
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 5.59110−3 M−1s−1. What is the initial rate of reaction in a reactor filled ...
November 30, 2012 by maliya

Science
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 1.09110−3 M−1s−1. What is the initial rate of reaction in a reactor filled ...
December 5, 2012 by Shelly

chemistry
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 2.09110−3 M−1s−1. What is the initial rate of reaction in a reactor filled ...
December 8, 2012 by Anonymous

chemistry
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 6.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor ...
November 29, 2012 by NIK

chemistry
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 6.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor ...
November 29, 2012 by sveta

chemistry
The reaction A + B to C + D is second order in A and zero order in B. The value of k is 1.1010−2 M^{-1}\;min^{-1}. What is the rate of this reaction when A}]=0.124 M and B}]=3.89 M?
February 28, 2010 by joe

chemistry
The reaction A + B to C + D is second order in A and zero order in B. The value of k is 1.1010−2 M^{-1}\;min^{-1}. What is the rate of this reaction when A}]=0.124 M and B}]=3.89 M?
February 28, 2010 by joe

Chemistry
A zero-order reaction has a constant rate of 3.2010^−4 M/s. If after 35.0 seconds the concentration has dropped to 9.0010^2M , what was the initial concentration?
April 30, 2010 by D.Walker

chem
A certain first-order reaction has a rate constant of 2.75 10-2 s−1 at 20.C. What is the value of k at 50.C if Ea = 75.5 kJ/mol? i know to use the ln(k1/k2)= (ea/R)((1/T1)-(1/T2)) but how do i know what T2 is when i only have one temp? there is a b part to the question...
February 10, 2013 by Hannah

Chem2
A reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and second order in C. If the concentration of C is increased by a factor of 4.95 (and all other concentrations are held constant), how much will the rate of reaction increase?
May 2, 2011 by Ryan

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! ...
February 18, 2012 by elvis

Chemistry
The rate constant, k, for each reaction order is equal to _____ from the linear plot. Reaction Order Answer zero ______ first ______ second ______ a. slope (m) b. y-intercept c. x-intercept d. negative of the slope (-m) e. 0 i think zero order is maybe d? not sure
November 14, 2009 by Yo

CHEMISTRY HELP NEEDED!!
Given info: Reaction: 3A+2B--->2C+D {A] (mol/L) 1.0 10^-2 1.0 10^−2 2.0 10^−2 2.0 10^−2 3.0 10^−2 [B] (mol/L) 1.0 3.0 3.0 1.0 3.0 Rate of appearance of C (mol/L-hr) 0.3010^−6 8.1010^−6 3.2410^−5 1.2010^−6 7.3010^&#...
March 11, 2012 by Kelly

Chemistry
Given info: A] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 10^-2 1.0 0.3010^−6 1.0 10^−2 3.0 8.1010^−6 2.0 10^−2 3.0 3.2410^−5 2.0 10^−2 1.0 1.2010^−6 3.0 10^−2 3.0 7.3010^−5 Reaction: 3A+2B--->...
March 11, 2012 by Kelly

Chemistry
The reaction 2B--->C + 2D is found to be zero order when run at 990 degrees C. If it takes 3.3X110^2 s for an initial concentration of B to go from 0.50 M to .20 M what is the rate constant for the reaction? what is the half life of the reaction under these conditions?
February 29, 2008 by Lauren

chemistry
The reaction Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and second-order rate constants for the reaction from the data in the table below if the initial ozone concentration was ..0000000000825 M or 8.25*10^-11 M. ...
October 15, 2012 by Brun

chemistry
The reaction Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and second-order rate constants for the reaction from the data in the table below if the initial ozone concentration was ..0000000000825 M or 8.25*10^-11 M. ...
October 15, 2012 by Brun

Chemistry
The degradation of CF3CH2F (an HFC) by OH radicals in the troposphere is first order in each reactant and has a rate constant of k=1.6108M−1s−1 at 4∘C. If the tropospheric concentrations of OH and CF3CH2F are 8.1105 and 6.3108 molecules cm−3, ...
March 25, 2014 by Rebecca

CHEM- KINETICS
The rate constant for a reaction is 4.65 L mol-1s-1. The overall order of the reaction is: zero first second third I am having trouble with the order of reactions. I dont understand this question. this is an assignment question but i have no idea how to do it.
September 25, 2010 by lucylu

Chemistry(Please check)
A reaction has a rate law, rate = k times A times B squared. What is the overall order of the reaction. I think that the order is 0. Is this correct?
February 19, 2012 by Hannah

chemistry ASAP please!!
The reaction of CO(g) + NO(g) is second-order in NO2 and zero-order in CO at temperatures less than 500K. (a) Write the rate law for the reaction. (b) How will the reaction rate change if the NO2 concentration is halved? (c) How will the reaction rate change is the ...
March 15, 2011 by Maria

rate constant
A reaction has a rate constant of 1.2510−4 at 28 and 0.227 at 77. Determine activation barrier for reaction What is the value of the rate constant at 18?
February 10, 2013 by charlie

CHEM
1.) At what temperature will the rate constant for the reaction H2 + I2 to 2HI have the value 5.210−3 M^{-1}s^{-1}? (Assume k=5.4 *10^{-4}M}{-1)s}^{-1} at 599 K and k=2.8 * 10^{-2}M}^{-1}s}^{-1} at 683 K.) 2.)For the first-order reaction N2O5 to 2NO2 + 1/2O2 t_{1/2}=22....
March 3, 2010 by anonymous

chemistry
1.) At what temperature will the rate constant for the reaction H2 + I2 to 2HI have the value 5.210−3 M^{-1}s^{-1}? (Assume k=5.4 *10^{-4}M}{-1)s}^{-1} at 599 K and k=2.8 * 10^{-2}M}^{-1}s}^{-1} at 683 K.) 2.)For the first-order reaction N2O5 to 2NO2 + 1/2O2 t_{1/2}=22....
March 3, 2010 by anonymous

Chemistry
A certain first-order reaction has a rate constant of 2.6010−2 s-1 at 18 C. What is the value of k at 55 C if Ea = 90.0 kj/mol?
February 6, 2012 by gary

college chemistry
The rate of the following reaction: 2 NO2 2 NO + O2, is characterized by the rate constant k = 0.775 Lmol-1s-1. What is the half-life for this reaction at the same conditions when the initial concentrations are 0.0115 M? (Round your answer to 3 significant figures.) Hint: The...
November 10, 2010 by sparkle

chemistry
how do you solve this problem? consider the reaction A->B the rate of the reaction is 1.6 x 10^-2 M/s when the concentration of A is 0.35 M. Calculate the rate constant if the reaction is a) first order in A and b) second order in A.
July 15, 2010 by Jin

Concentration and Reaction
The rate of the following reaction: Radioactive decay of 90Sr, is characterized by the rate constant k = 0.024 year-1. What is the half-life (in years) for this reaction at the same conditions when the initial concentrations are 0.0356 M? (Round your answer to 3 significant ...
November 20, 2010 by Confused

chemistry
The reactant concentration in a second-order reaction was 0.790 after 200 and 8.8010−2 after 740 . What is the rate constant for this reaction?
May 20, 2012 by Anonymous

Chemistry
1. The following data was collected for the reaction between hydrogen and nitrogen monoxide. The time recorded corresponds to a N2 concentration change of 5.3 x 10-4 M. 2H2(g) + 2NO(g)  2H2O(g) + N2(g) Trial [H2], M [NO], M Time, s 1 0.01 0.02 74 2 0.02 0.02 37 3 0.01 ...
June 4, 2013 by Jason

Chemistry
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 8.591x10-3 M-1s-1. What is the initial rate of reaction in a reactor filled with AhF to a ...
December 10, 2012 by Please Help Me!!!!!!!!

Chemistry
At a given temperature, the elementary reaction A <=> B in the forward direction is first order in A with a rate constant of 2.60 x 10^-2 s^-1. The reverse reaction is first order in B and the rate constant is 8.50 x 10^-2 s^-1. What is the value of the equilibrium ...
March 5, 2012 by Jessica

chemistry
The rate constant, k, for each reaction order is equal to _____ from the linear plot. Reaction Order Answer zero:___ first: ___ second: ___ a. slope (m) b. y-intercept c. x-intercept d. negative of the slope (-m) e. 0
May 10, 2012 by jen

Chemistry
A second order reaction has a rate constant of 8.7x10^-4/(M*s) at 30 degrees C. At 40 degrees C the rate constant is 1.8x10^-3/(M*s). What are the activation energy and frequency factor for this reaction? Predict the value of the rate constant at 4 degrees C
February 29, 2008 by Lauren

chem
The reaction A + B C + D is second order in A and zero order in B. The value of k is 0.012 M-1 min-1. What is the rate of this reaction when [A] = 0.125 M and [B] = 0.435 M?
February 11, 2008 by Sarah

chemistry
The reaction A + B --> C + D is second order in A and zero order in B. The value of k is 0.012 M-1 min-1. What is the rate of this reaction when [A] = 0.125 M and [B] = 0.435 M?
February 11, 2008 by Anonymous

Chemistry
In a reversible reaction, chemical equilibrium is attained when ? 1. Rate of the forward reaction is greater than the rate of the reverse reaction. 2. Rate of the reverse reaction is greater than the rate of the forward reaction, 3. Concentration of the reactants reaches zero ...
March 9, 2011 by Jazmin F.

Chemistry
At a given Temperature, the elementary reaction A<--->B in the forward direction is first order in A with a rate constant of 3.90*10^-2s^-1. The reverse reaction is first order in B and the rate constant is 8.20*10^-2s^-1. What is the value at equillibrium for the ...
March 18, 2013 by Christina

Chemistry - enthalpy and rate constant (check)
22. The rate of a chemical reaction is dependent on its ΔH. Do you agree or disagree with this statement? Briefly justify your answer. I agree with the above statement, enthalpy is defined as the internal energy of the reactants and products therefore the chemical ...
June 8, 2011 by Farah

Chemistry
biochemists consider the citric acid cycle to be the central reaction sequence in metabolism. One of the key steps is an oxidation catalyzed by the enzyme isocitrate dehydrogenase and the oxidizing agent NAD+. Under certain conditions, the reaction in yeast obeys 11th-order ...
June 19, 2014 by Lety

chemistry
The rate law of the overall reaction. A + B -> C is rate = k[ A ]^2 Which of the following not increase the rate of a chemical reaction? a) increasing the temperature of the reaction b)increasing the concentration of reaction A c)adding a catalyst for the reaction d)...
November 18, 2010 by ben

Chemistry
A first order reaction has a rate constant of 0.0733 s−1. What is the half life for this reaction in seconds? when I plug in the numbers in the formula, my answer was 9.45. But on the computer it says the answer is wrong. How do I find the right answer?
March 20, 2011 by Alex

Chemistry(Please check)
1) The reaction A + B + C = products has a rate law rate = k times A times C squared. Which of the following will result in an increase in the rate constant for the reaction? #1 - increasing the temperature #2 - adding a catalyst #3 - doubling the concentration of reactant C I...
February 19, 2012 by Hannah

Chem II
The rate constant for a reaction at 305.0 K is two times the rate constant at 295.0 K. The activation energy of the reaction is ______ kJ mol
June 13, 2008 by Ken

Chemistry
Given the two reactions 1.PbCl2 <--->Pb^2+ + 2 Cl^-, K1= 1.8210^−10 2. AgCl <----> Ag^+ + Cl^-, K2 = 1.1510−4 what is the equilibrium constant Kfinal for the following reaction? PbCl2+ 2 Ag^+ <---> 2AgCl+ Pb^2+ This is what i have soo far: PbCl2...
February 5, 2009 by Saira

Chem
Given the following hypothetical reaction: 2 E(g) + F(g) + G(g) products. If the rate law is: Rate = k[E]2[F]-1, what is the overall order of reaction? 1. a. zero 2. b. first 3. c. second 4. d. third
April 24, 2010 by Mark

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: double...
December 23, 2007 by Anonymous

chemistry
The half-life of a reaction was found to be inversely dependent on the concentration of the starting material. Thus, we can say that a. the reaction is zero order b. the reaction is first order c. the reaction is second order d. the reaction starts out first order and changes ...
February 18, 2012 by elvis

chemistry
The half-life of a reaction was found to be inversely dependent on the concentration of the starting material. Thus, we can say that a. the reaction is zero order b. the reaction is first order c. the reaction is second order d. the reaction starts out first order and changes ...
February 18, 2012 by elvis

Chemistry
A reaction is first order and it takes 324 minutes for the reaction to be 50.0% complete. How long will it take for the reaction to be 85.0% complete at the same temperature? 2. N2O5 decomposes to N2O4 and O2 and the reaction is first order in N2O5 with a specific rate ...
July 17, 2010 by Lin

Chemistry
What is the value of the rate constant for a reaction in which 75.0 percent of the compound in a given sample decomposes in 80.0 min? Assume first order kinetics. Use the integrated rate law for a first order reaction. Remember at 75 percent reaction, 25 percent of the ...
September 19, 2012 by Bryan

Chemistry
What is the value of the rate constant for a reaction in which 75.0 percent of the compound in a given sample decomposes in 80.0 min? Assume first order kinetics. Use the integrated rate law for a first order reaction. Remember at 75 percent reaction, 25 percent of the ...
September 19, 2012 by Bryan

MATH
what is a constant rate of change? That means the velocity changes over time in the same manner. 4,800 +3,700 =4,500 Rate of Change Is Constant You can increase or decrease the amount or concentration of a species by a constant value using a zero order rule. For example, the ...
January 9, 2007 by Austin

Chemistry
A first order chemical reaction has a rate constant of 8.7103 s-1 at 30 C and a rate constant of 5.8104 s-1 at 64 C. Calculate the activation energy, Ea, for the reaction. I keep getting 5.25e-6 kJ/mol but apparently thats not the correct answer. ln(5.8e4/8.7e3)=-ea/8.315e...
September 29, 2010 by Anonymous

Chemistry
A first order chemical reaction has a rate constant of 8.7103 s-1 at 30 C and a rate constant of 5.8104 s-1 at 64 C. Calculate the activation energy, Ea, for the reaction. I keep getting 5.25e-6 kJ/mol but apparently thats not the correct answer. ln(5.8e4/8.7e3)=-ea/8.315e...
September 29, 2010 by Anonymous

Chemistry
The following reaction was studied at −10C. 2 NO(g) + Cl2(g) → 2 NOCl(g) The following results were obtained where the rate of the reaction is given below. [NO]o [Cl2]o INITIAL RATE 0.10 0.10 0.18 0.10 0.20 0.36 0.20 0.20 1.45 What is the rate law? What is the ...
March 20, 2012 by Kaleen

chemistry
Choose the correct integrated rate law for each reaction order.? Choose the correct integrated rate law for each reaction order. Reaction Order Answer zero ____ first _____ second _____ a. l/[A]t = kt + l[A]0 b. log[A]t = kt +log[A]0 c. ln[A]t = kt + ln[A]0 d. [A]t = kt + [A...
May 15, 2008 by amy

chemistry
Choose the correct integrated rate law for each reaction order.? Choose the correct integrated rate law for each reaction order. Reaction Order Answer zero ____ first _____ second _____ a. l/[A]t = kt + l[A]0 b. log[A]t = kt +log[A]0 c. ln[A]t = �kt + ln[A]0 d. [A]t = �kt...
May 15, 2008 by Amy

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 and...
February 20, 2010 by Kyle

chemistry, chemical kinetics
I keep getting these questions wrong, could someone please help. Thanks so much. Question 1 For the following overall reaction, the rate constant is 3.4x10^-2. A(g)+ 2B -> 2C + D What may be the rate reaction? Question 2 The rate law for this reaction is R=k[NO][Cl2] ...
July 2, 2010 by student

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...
July 18, 2010 by Sara

Chemistry
When 0.13 g of H2 and 0.18 g of I2 are confined to a 150. mL reaction vessel and heated to 700. K, they react by a second-order process (first order in each reactant), with k = 0.063 Lmol-1s-1 in the rate law (for the rate of formation of HI). (a) What is the initial reaction...
June 28, 2013 by Sara

chemistry
When the reaction is run in a buffer solution, however, it is pseudo-first-order in CH3I. rate = k[CH3] What is the half-life of this reaction in a pH 10.00 buffer if the pseudo-first-order rate constant for this reaction is 7.3 x10-9 s-1?
June 5, 2009 by anglo

chemistry
A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of water versus time is monitored as the water gradually flows through the capillary tubing. This process is found to be first-order with a rate constant of...
May 16, 2010 by eng

Chemistry
The following rearrangement reaction is first order: C3H6 CH3CH=CH2 The rate constant for this reaction is 6.7 ~ 10−4. How many minutes will it take for the concentration of C3H6 to drop to 11.75% of its initial value? How do I calculate this step by step. My answer ...
March 20, 2011 by Alex

chemistry
Given this data in a study on how the rate of a reaction was affected by the concentration of the reactants Initial Rate, RUN #(A, M) (B, M) (C, M) (mol L-1 s-1 1 0.200 0.100 0.600 5.00 2 0.200 0.400 0.400 80.0 3 0.600 0.100 0.200 15.0 4 0.200 0.100 0.200 5.00 5 0.200 0.200 0....
February 18, 2012 by elvis

Chemistry
Hi I was hoping to get some help on this. It's review for my chemistry text on Monday and I would be grateful if someone could help me out. My teacher has been out for two weeks but we still have to know this material. 1. The following data was collected for the reaction ...
February 9, 2014 by Matt

chemistry
The rate constants for a first order decay reaction are found to be: k287.3∘C=1 x 10−4 s−1 k327.4∘C=19.2 x 10−4 s−1 a) Determine the value, in s-1 of k250∘C (b) How long will it take, at 350 ∘C, for the reactant to decay to 1% of...
January 11, 2013 by Anonymous

Chemistry
The rate constants for a first order decay reaction are found to be: k287.3∘C=1 x 10−4 s−1 k327.4∘C=19.2 x 10−4 s−1 (a) Determine the value, in s-1 of k250∘C (b) How long will it take, at 350 ∘C, for the reactant to decay to 1% ...
January 11, 2013 by selly

chemistry
Consider the reaction: A + B −> C If it is 2nd order in A and 0 order in B, a plot of [B]−1 vs time will be... a. linear and negative b. exponential and negative c. linear and positive d. equal to zero e. exponential and positive
April 6, 2011 by Eddy

Chemistry
The rate constant for a certain reaction is = 4.3010−3 s^-1. If the initial reactant concentration was 0.400 M , what will the concentration be after 19.0 minutes? Rate would be first order therefore I used. A=A initial*e^-kt I keep getting .0030 M but supposely I am ...
January 31, 2010 by Joanna

calculus-changing voltage
V = IR V is increasing at the rate of 1 volt/sec while I is decreasing at the rate of 1/3 amp/sec. Let t = time in sec What is dV/dt? What is dI/dt? Find the rate at which R is changing when V = 12 volts and I = 2 amp. Thanks. Please ignore this. I got the answer.
December 9, 2006 by Jen

chemistry
) Choose the correct integrated rate law for each reaction order. (Enter only the letter to the left of the correct response.) Reaction Order Answer zero d first c second a a. l/[A]t = kt + l/[A]0 b. log[A]t = kt +log[A]0 c. ln[A]t = kt + ln[A]0 d. [A]t = kt + [A]0 e. [A]t...
May 16, 2008 by Amy

chemistry
The rate constant of a first-order reaction is 4.25 x 10^-4 s^-1 at 350 Celsius. If the activation energy is 103 kJ/mol, calculate the temperature at which its rate constant is 8.75 x 10^-4 s^-1.
March 25, 2014 by santoki

chemistry ASAP please!!
One reaction that destroys O3 molecules in the stratosphere is NO + O3  NO2 + O2 When this reaction was studied in the laboratory, it was found to be first order with respect to both NO and O3 with a rate constant of 1.9 x 104 mol L-1S-1. If [NO] = 1.2 x 10-5 mol L-1 ...
March 20, 2011 by Massiel

Chemistry Lab
What would happen to the reaction rate of a solution if 10 mL or more of water is added? Will the reaction rate increase or decrease? The following reaction occurs without a change in the color 2A (g) + B2(g) --- 2AB (g) a) How could you monitor the concentration of the ...
July 20, 2009 by Sunshine

Chemistry Lab
What would happen to the reaction rate of a solution if 10 mL or more of water is added? Will the reaction rate increase or decrease? The following reaction occurs without a change in the color 2A (g) + B2(g) --- 2AB (g) a) How could you monitor the concentration of the ...
July 20, 2009 by Sunshine

chemistry.
The thermodynamic equilibrium constant for the following reaction is 0.15 at 1227C. 2 SO2(g) + O2(g) 2 SO3(g) Which is true? Can be more than one answer. a. The reaction is product-favored. b. The reaction is reactant-favored. c. Gis less than zero. d. G is greater than ...
November 19, 2010 by carla

chemistry
The rate constant, k, for each reaction order is equal to _____ from the linear plot. zero ---d first----d second-----a a. slope (m) b. y-intercept c. x-intercept d. negative of the slope (-m) e. 0
May 16, 2008 by Amy

CHEm. help please
The thermodynamic equilibrium constant for the following reaction is 0.15 at 1227C. 2 SO2(g) + O2(g) 2 SO3(g) Which is true? Can be more than one answer. a. The reaction is product-favored. b. The reaction is reactant-favored. c. Gis less than zero. d. G is greater than ...
November 19, 2010 by carla

Chemistry
calculate the specific rate constant A] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 10^-2 1.0 0.3010^−6 1.0 10^−2 3.0 8.1010^−6 2.0 10^−2 3.0 3.2410^−5 2.0 10^−2 1.0 1.2010^−6 3.0 10^−2 3.0 7.3010^−5
March 11, 2012 by Kelly

Chemistry
calculate the specific rate constant A] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 10^-2 1.0 0.3010^−6 1.0 10^−2 3.0 8.1010^−6 2.0 10^−2 3.0 3.2410^−5 2.0 10^−2 1.0 1.2010^−6 3.0 10^−2 3.0 7.3010^−5
March 11, 2012 by Kelly

Chemistry
calculate the specific rate constant A] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 10^-2 1.0 0.3010^−6 1.0 10^−2 3.0 8.1010^−6 2.0 10^−2 3.0 3.2410^−5 2.0 10^−2 1.0 1.2010^−6 3.0 10^−2 3.0 7.3010^−5
March 11, 2012 by Kelly

chemistry
A first-order reaction is 40% complete at the end of 50 minutes. What is the value of the rate constant (in min^-1)? A. 1.8 x 10^-2 B. 1.0 x 10^-2 C. 1.2 x 10^-2 D. 8.0 x 10^-3 E. none of these how would i approach this problem? i know that to find the rate constant, i could ...
May 26, 2008 by jesse may

Chemistry
A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of water versus time is monitored as the water gradually flows through the capillary tubing. This process is found to be first-order with a rate constant of...
May 18, 2010 by anonymous

Chemistry
A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of water versus time is monitored as the water gradually flows through the capillary tubing. This process is found to be first-order with a rate constant of...
May 18, 2010 by anonymous

Chem II
The equilibrium constant of a reaction is 12.6. If the rate constant of the reverse reaction is 5.1 x 10 -2 the rate constant for the forward reaction is _____ 0.32 0.16 0.64 0.08 I don't even know where to start on this question. Any direction will help
June 16, 2008 by Ken

chemistry
x + 2y ---> products is first order in c and 2nd order in y. what are the units of K, the specific rate constant, if the reaction rate is expressed in units of moles per liter per sec. I know the answer is M.s^-1^ but I don't understand this concept. could you explain to me...
December 12, 2010 by Audrey

chem class
The data in the table below were obtained for the reaction: A + B → P 3 Experiments 1 (A) (M): 0.273 (B) (M): 0.763 Initial Rate (M/s): 2.83 2 (A) (M): 0.273 (B) (M): 1.526 Initial Rate (M/s): 2.83 3 (A) (M): 0.819 (B) (M): 0.763 Initial Rate (M/s): 25.47 1) The order of...
October 24, 2010 by jack ross

chem
The activation energy of a certain reaction is 65.7 kJ/mol. How many times faster will the reaction occur at 51C than at 8C? State the assumptions you need to make in order to perform this calculation. (Select all that apply.) The collision model and the Arrhenius equation ...
February 10, 2013 by Hannah

Chemistry
a certain first order decomposition reaction has a half-life of 15.0 minutes. What is the rate constant for this reaction? what is the time it will take for the reaction to reach the 10% completion point?
October 24, 2012 by Josh

chemistry
What is the rate of the following reaction (M/s) if the rate constant for the reaction is 0.500 Lmol-1s-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
November 20, 2010 by Confused

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!
February 17, 2012 by senior pup

chem
The rate data from a chemical reaction shows that doubling the concentration of A with the concentration of B remaining constant causes the rate to increase by a factor of four. What is the reaction order for [A]? a. 0 b. 0.5 c. 1 d. 2 e. 3
February 10, 2008 by Anonymous

Chemistry
Your Open Question Show me another Chemistry help needed... Confused? The following reaction is first order and the rate constant is 2.35 x 10^-4 s^-1 at 20 degress C. 2 N2O5 -----> 2 N2O4 + O2 A.) What is the rate of reaction if the [N2O5]=.25 M? B. What would the [N2O5...
November 20, 2012 by Krissy

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