Homework Answers
1)
Given:
k = 0.398 M/min
use relation between rate constant and half life of 0 order
reaction
t1/2 = [A]o/(2*k)
= 6.2/(2*0.398)
= 7.789 min
Answer: 7.79 min
2)
Keq << 1
So, there will be more reactant than products at equilibrium
Answer: option 5
Add Answer to:
1)
2)
Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of...
QUESTION 11 Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of...
QUESTION 11 Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.374 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 2.90 M, what is the half-life of the reaction in seconds? *Please report 3 significant figures. Numbers only, no unit. No scientific notation.
QUESTION 17 Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of...
QUESTION 17 Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0681 M min. The reaction is observed to follow zero order kinetics. If the initial concentration of the hydrocarbon is 8.30 M, what is the half-life of the reaction in seconds? "Please report 3 significant figures Numbers only, no unit. No scientific notation QUESTION 18 Which of the following expressions is the correct equilibrium constant expression for the reaction below 3 F60(0) + CO2(g)...
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QUESTIUN 15 5.5 pum Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.264 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 3.40 M, what is the half-life of the reaction in seconds? *Please report 3 significant figures. Numbers only, no unit. No scientific notation.
Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.673 M'min....
Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.673 M'min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 5.40 M, what is the half-life of the reaction in seconds? *Please report 3 significant figures. Numbers only, no unit. No scientific notation. QUESTION 14 The rate law of a reaction is ratek[X][Y). The units of the rate constant are L mol-1-1 L2 mol-2-1 mol L-1.1 mol2 L-2-1...
The equilibrium constant for the gas phase reaction 2S03 (g) 2SO2 (g) O2(g) is Keq 3.6 x 10-3 at 999 K.At equilibrium, A) products predominate B) reactants predominate C) roughly equal amounts of pro...
The equilibrium constant for the gas phase reaction 2S03 (g) 2SO2 (g) O2(g) is Keq 3.6 x 10-3 at 999 K.At equilibrium, A) products predominate B) reactants predominate C) roughly equal amounts of products and reactants are present D) only products are present E) only reactants are present
The equilibrium constant for the gas phase reaction 2S03 (g) 2SO2 (g) O2(g) is Keq 3.6 x 10-3 at 999 K.At equilibrium, A) products predominate B) reactants predominate C) roughly equal amounts...
Question 5 0/1 point The equilibrium constant for the gas phase reaction N2 (g) + 3H2(g)...
Question 5 0/1 point The equilibrium constant for the gas phase reaction N2 (g) + 3H2(g) + 2NH3 (B) is Keq - 4,34 x 10-3 at 300 °C. At equilibrium, Question 5 The equilibrium constant for the gas phase reaction N2 (8) + 3H2 (g) – 2N63 (g) is keq = 4.34 x 10-3 at 300 °C. At equilibrium, products predominate only reactants are present roughly equal amounts of products and reactants are present only products are present reactants predominate
1) 2) 3) 4) The equilibrium constant for the gas phase reaction 2803 (g) = 2802...
1)
2)
3)
4)
The equilibrium constant for the gas phase reaction 2803 (g) = 2802 (g) + O2 (g) is Keg = 7.1 x 102 at 999 K. At equilibrium,_ O only reactants are present O roughly equal amounts of products and reactants are present products predominate only products are present reactants predominate QUESTION 20 The rate law of a reaction is rate = k[X]-. The units of the rate constant are O mol L-15-2 OL mol-15-1 O mol2...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) =...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) = CO2(g) + C(s) A. [CO][C]/[CO] B. K [CO] C. [CO] / [CO2) D. [CO]/[CO] E. 2[CO] /[CO][C] In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Châtelier's principle? ООООО A. 2N, () + 0,02N,0 () B. N.O. (g) 2NO, (g) C. N2(g) + 3H2(g)2NH3 (9) D. N2 (9) + 202...
A Which one of the following will change the value of an equilibrium constant? a) Varying the initial concentrations of...
A Which one of the following will change the value of an equilibrium constant? a) Varying the initial concentrations of reactants b) Varying the initial concentration of products c) Changing the volume of the reaction vessel d) Changing temperature e All of the above 5) The equililbrium constant for the gas phase reaction N2(g)+3H2(g) 2NH,(g) is Keg 4.34 x 10 at 300°C. At equilibrium a) products predominate b) only products are present reactants predominate d) only reactants are present roughly...
1) 2) 3) A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the...
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
QUESTION 17 Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0681 M min. The reaction is observed to follow zero order kinetics. If the initial concentration of the hydrocarbon is 8.30 M, what is the half-life of the reaction in seconds? "Please report 3 significant figures Numbers only, no unit. No scientific notation QUESTION 18 Which of the following expressions is the correct equilibrium constant expression for the reaction below 3 F60(0) + CO2(g)...
QUESTIUN 15 5.5 pum Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.264 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 3.40 M, what is the half-life of the reaction in seconds? *Please report 3 significant figures. Numbers only, no unit. No scientific notation.
Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.673 M'min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 5.40 M, what is the half-life of the reaction in seconds? *Please report 3 significant figures. Numbers only, no unit. No scientific notation. QUESTION 14 The rate law of a reaction is ratek[X][Y). The units of the rate constant are L mol-1-1 L2 mol-2-1 mol L-1.1 mol2 L-2-1...
The equilibrium constant for the gas phase reaction 2S03 (g) 2SO2 (g) O2(g) is Keq 3.6 x 10-3 at 999 K.At equilibrium, A) products predominate B) reactants predominate C) roughly equal amounts of products and reactants are present D) only products are present E) only reactants are present
The equilibrium constant for the gas phase reaction 2S03 (g) 2SO2 (g) O2(g) is Keq 3.6 x 10-3 at 999 K.At equilibrium, A) products predominate B) reactants predominate C) roughly equal amounts...
Question 5 0/1 point The equilibrium constant for the gas phase reaction N2 (g) + 3H2(g) + 2NH3 (B) is Keq - 4,34 x 10-3 at 300 °C. At equilibrium, Question 5 The equilibrium constant for the gas phase reaction N2 (8) + 3H2 (g) – 2N63 (g) is keq = 4.34 x 10-3 at 300 °C. At equilibrium, products predominate only reactants are present roughly equal amounts of products and reactants are present only products are present reactants predominate
1)
2)
3)
4)
The equilibrium constant for the gas phase reaction 2803 (g) = 2802 (g) + O2 (g) is Keg = 7.1 x 102 at 999 K. At equilibrium,_ O only reactants are present O roughly equal amounts of products and reactants are present products predominate only products are present reactants predominate QUESTION 20 The rate law of a reaction is rate = k[X]-. The units of the rate constant are O mol L-15-2 OL mol-15-1 O mol2...
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) = CO2(g) + C(s) A. [CO][C]/[CO] B. K [CO] C. [CO] / [CO2) D. [CO]/[CO] E. 2[CO] /[CO][C] In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Châtelier's principle? ООООО A. 2N, () + 0,02N,0 () B. N.O. (g) 2NO, (g) C. N2(g) + 3H2(g)2NH3 (9) D. N2 (9) + 202...
A Which one of the following will change the value of an equilibrium constant? a) Varying the initial concentrations of reactants b) Varying the initial concentration of products c) Changing the volume of the reaction vessel d) Changing temperature e All of the above 5) The equililbrium constant for the gas phase reaction N2(g)+3H2(g) 2NH,(g) is Keg 4.34 x 10 at 300°C. At equilibrium a) products predominate b) only products are present reactants predominate d) only reactants are present roughly...
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
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