Sample Problem 17.1 Writing the Reaction Quotient from the BalancedEquationProblem Write the reaction quotient, Q, for each of the following reactions:(a) The decomposition of dinitrogen pentoxide, N,O3(g)(b) The combustion of propane, C;Hs(g) + O2(g) = CO2(g) + H,O(g)Plan We balance the equations and then construct the reaction quotient (Equation 17.4).Solution (a) 2N,0s(g) = 4NO2(g) + O2(g)= NO2(g) + O2(g)[NO,M0,][N,O,(b) C;H¿(g) + 50,(g) = 3CO2(g) + 4H,O(g)[CO.F[H,O][C,H,[0,Check Be sure that the exponents in Q. are the same as the balancing coefficients.A good check is to reverse the process and see if you obtain the balanced equation:change the numerator to products, the denominator to reactants, and the exponents tocoefficients.FOLLOW-UP PROBLEM 17.1 Write the reaction quotient, Q, for each of the followingreactions:(a) The first step in nitric acid production, NH3(g) + O2(g) =(b) The disproportionation of nitrogen monoxide, NO(g)NO(8) + H2O(8)N,0(g) + NO,(g)

For the reaction, aA+bB⇌cC+dD The Q (reaction quotient) can be given as Q=CcDdAaBb

FOLLOW-UP PROBLEM 17.1 Write the reaction quotient, Q., for each of the following reactions: (a) The first step in nitric acid production, NH3(g) + 0,(g) = NO(g) + H2O(g) (b) The disproportionation of nitrogen monoxide, NO(g) = N,0(g) + NO2(8)

FOLLOW-UP PROBLEM 17.1 Write the reaction quotient, Q., for each of the following reactions: (a) The first step in nitric acid production, NH3(g) + 0,(g) = NO(g) + H2O(g) (b) The disproportionation of nitrogen monoxide, NO(g) = N,0(g) + NO2(8)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

Sample Problem 17.1 Writing the Reaction Quotient from the Balanced
Equation
Problem Write the reaction quotient, Q, for each of the following reactions:
(a) The decomposition of dinitrogen pentoxide, N,O3(g)
(b) The combustion of propane, C;Hs(g) + O2(g) = CO2(g) + H,O(g)
Plan We balance the equations and then construct the reaction quotient (Equation 17.4).
Solution (a) 2N,0s(g) = 4NO2(g) + O2(g)
= NO2(g) + O2(g)
[NO,M0,]
[N,O,
(b) C;H¿(g) + 50,(g) = 3CO2(g) + 4H,O(g)
[CO.F[H,O]
[C,H,[0,
Check Be sure that the exponents in Q. are the same as the balancing coefficients.
A good check is to reverse the process and see if you obtain the balanced equation:
change the numerator to products, the denominator to reactants, and the exponents to
coefficients.
FOLLOW-UP PROBLEM 17.1 Write the reaction quotient, Q, for each of the following
reactions:
(a) The first step in nitric acid production, NH3(g) + O2(g) =
(b) The disproportionation of nitrogen monoxide, NO(g)
NO(8) + H2O(8)
N,0(g) + NO,(g)

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