Which of the following equilibria would not be affected by pressure changes at c

Question

Which of the following equilibria would not be affected by pressure changes at constant temperature? A) CO(g) + 1/2O_2(g) CO_2(g) B) CaCO_3(s) CaO(s) + CO_2(g) C) 2H_2(g) + O_2(g) 2H_2O(l) D) 2Hg(l) + O_2(g) 2HgO(s) E) CO_2(g) + H_2(g) CO(g) + H_2O(g) For which of the following reactions are the numerical values of K_p and K_c the same? 2SO_2(g) + O_2(g) 2SO_3(g) N_2(g) + O_2(g) 2NO(g) H_2(g) + I_2(g) 2HI(g) A) 1 only B) 2 and 3 only C) 2 only D) 1 and 2 only E) 1, 2, and 3 A rate constant for a particular reaction is 0.0050 s^-1. What is the overall order of this reaction? A) 0 B) 2 C) 1 D) 4 E) 3 The half-life of a reaction is A) twice as long for a second-order reaction as it is for a first-order reaction. B) how long the reaction can run before stopping. C) the time it takes for the amount of product formed to equal half the initial amount of reactant. D) one-half of the time the reaction will take to go to completion. E) the time it takes for the reactant concentration to decrease to one-half of its initial value.

Explanation / Answer

Which of the following equilibria would not be affected by pressure changes at constant temperature?

A. 4HCl(g) + O2(g) 2H2O(g) + 2Cl2(g)

B. CO(g) + H2O(g) H2(g) + CO2(g) ---answer

C. C2H4(g) + H2O(g) C2H5OH(g)

D. PF3Cl2(g) PF3(g) + Cl2(g)

For Which of the following reactions are numerical values Kp and Kc the same

2. N2+O2-----2H2O
3.H2 + I2 <--> 2 HI

B) 2 and 3 only---answer

Kp will equal Kc

48. a rate constant for a particular reaction is 0.0050 s^-1

What is the overall order of the reaction?

a) 0---------

49. the half life of a reaction

Option A---------answer

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