Multiple Choice
Consider the reaction A(aq) ⇌ B(aq) in an equilibrium state where K_C < 1. If the rate of the forward reaction A(aq) ⇌ B(aq) at equilibrium is 59.9 mol/s, what is the rate of the reverse reaction B(aq) ⇌ A(aq) at equilibrium?
16. Chemical Equilibrium
Intro to Chemical Equilibrium
Back16. Chemical Equilibrium
Intro to Chemical Equilibrium
- Multiple Choice
The equilibrium constant, K, for 2 NO (g) + O2 (g) ⇌ 2 NO2 (g) is 6.9 x 102.
What is the [NO] in an equilibrium mixture of gaseous NO, O2, and NO2 at 500 K that contains 1.5 x 10 –2 M O2 and 4.3 x 10 –3 M NO2?
- Multiple ChoiceFor the isomerization reaction cis-2-butene ⇌ trans-2-butene with an equilibrium constant Kp of 3.40, if a flask initially contains 0.250 atm of cis-2-butene and 0.165 atm of trans-2-butene, what is the equilibrium pressure of cis-2-butene?
- Multiple ChoiceFor the isomerization reaction cis-2-butene ⇌ trans-2-butene with an equilibrium constant Kp of 3.40, if a flask initially contains 0.250 atm of cis-2-butene and 0.165 atm of trans-2-butene, what is the equilibrium pressure of cis-2-butene?
- Multiple ChoiceWhat is the equilibrium-constant expression for the reaction 2Hg(l) + O2(g) ⇌ 2HgO(s)?
- Multiple ChoiceThe following two isomers of C3H7NO exist in equilibrium with each other in solution: If Kc = 0.57 at 25°C and the initial concentration of the reactant is 0.50 M and the product is 0.70 M, what is the concentration of the reactant at equilibrium?
- Multiple ChoiceWhich of the following expressions correctly represents the equilibrium constant (K) for the reaction: aA + bB ⇌ cC + dD?
- Multiple ChoiceWhat is meant by the term “dynamic equilibrium”?
- Multiple ChoiceWhat is chemical equilibrium in a chemical reaction?
- Multiple Choice
The decomposition of nitrogen monoxide can be achieved under high temperatures to create the products of nitrogen and oxygen gas.
6 NO(aq) ⇌ 3 N2(aq) + 3 O2(aq)
a) What is the equilibrium equation for the reaction above?
b) What is the equilibrium expression for the reverse reaction.
3views1rank - Multiple ChoiceA small K (K << 0) would indicate:
- Multiple ChoiceWrite the equilibrium constant expression for the following reaction:
CH4 (g) + 2 H2S (g) ⇆ CS2 (g) + 4 H2 (g)
- Multiple ChoiceWhat is the equilibrium-constant expression for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g)?
- Multiple Choice
Methane (CH4) reacts with hydrogen sulfide to yield hydrogen gas and carbon disulfide, a solvent used in the manufacturing rayon and cellophane. What is the value of Kc at 1000 K if the partial pressures in an equilibrium mixture at 1000 K are 0.20 atm methane, 0.15 atm hydrogen sulfide, 0.30 atm carbon disulfide and 0.10 atm hydrogen gas?
CH4 (g) + 2 H2S (g) ⇌ 4 H2 (g) + CS2 (g)
1views - Multiple ChoiceWhich of the following statements about the equilibrium constant is false?