Consider the following reaction:          2HF(g)  H2(g) + F2(g)          (K = 1.00 x 10–2)Given 1.00 mole of HF(g), 0.362 mole of H2(g), and 0.750 mole of F2(g) are mixed in a 5.00 L flask, determine the reaction quotient, Q.

Consider the reaction 2O3(g) → 3O2(g). The following mechanism is proposed:                    O3   O2 + O                    O3 + O → 2O2If we assume the second step of the mechanism is the rate determining step and the first step is a fast equilibrium step, which of the following rate laws is predicted by this mechanism?

Apply the law of mass action to determine the equilibrium expression for 2NO2Cl(aq)   2NO2(aq) + Cl2(aq).

The reaction 2A + 5B → products is second order in A and first order in B. What is the rate law for this reaction?

A first-order reaction is 40.0% complete at the end of 48.1 minutes. What is the value of the rate constant (in min–1)?

Carbon disulfide and chlorine react according to the following equation:CS2(g) + 3Cl2(g)    S2Cl2(g) + CCl4(g)When 2.14 mol of CS2 and 5.85 mol of Cl2 are placed in a 2.00-L container and allowed to come to equilibrium, the mixture is found to contain 0.620 mol of CCl4. How many moles of Cl2 are present at equilibrium?

The following data were collected for the decay of HO2 radicals: Time [HO2] Time [HO2] 0 s 1.0 × 1011 molec/cm3 14 s 1.25 × 1010 molec/cm3 2 s 5.0 × 1010 molec/cm3 30 s 6.225 × 109 molec/cm3 6 s 2.5 × 1010 molec/cm3 Which of the following best describes the reaction?

Consider the reaction represented by the equation  2SO2(g) + O2(g)  2SO3(g). For the system at chemical equilibrium, which of the following explains what happens after the addition of oxygen gas (assume constant temperature)?

Consider the reaction represented by the equation: N2(g) + 3H2(g)  2NH3(g). What happens to the equilibrium position when an inert gas is added to this system (as represented above) at equilibrium?

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