a) At a given temperature, a first-order reaction has a rate constant of 2.1 × 10–3 s–1. How long will it take for the reaction to be 24% complete?
a) At a given temperature, a first-order reaction has a rate constant of 2.1 × 10–3 s–1. How long will it take for the reaction to be 24% complete?
a) Hydrogen peroxide decomposes into water and oxygen in a first-order process.
H2O2 (aq) → H2O (l) + ½ O2 (g)
At 20.0 °C, the half-life for the reaction is 3.92 × 104 seconds. If the initial concentration of hydrogen peroxide is 0.52 M, what is the concentration after 7.00 days?
a) The equilibrium constant at 25 °C for the dissolution of silver iodide is 8.5 × 10–17.
AgI (s) Ag+ (aq) + I– (aq)
If an excess quantity of AgI(s) is added to water and allowed to equilibrate, what is the equilibrium concentration of I–?
a) An aqueous mixture of phenol and ammonia has the following initial concentrations:
0.200 M C6H5OH (aq) and 0.120 M NH3 (aq)
At equilibrium, the C6H5O– (aq) concentration is 0.050 M.
Calculate K for the reaction:
C6H5OH (aq) + NH3 (aq) C6H5O– (aq) + NH4+ (aq)
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