The rate constant for the zeroth-order decomposition of NH3 on a platinum surface at 856 âC is 1.50Ã10â6 M/s. How much time is required for the concentration of NH3 to drop from 6.60Ã10â3 M to 1.00Ã10â3 M?
The rate constant for the zeroth-order decomposition of NH3 on a platinum surface at 856 âC is 1.50Ã10â6 M/s. How much time is required for the concentration of NH3 to drop from 6.60Ã10â3 M to 1.00Ã10â3 M?
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Part A
The reactant concentration in a zero-order reaction was 5.00Ã10â2M after 130 s and 4.00Ã10â2M after 310 s . What is the rate constant for this reaction?
Express your answer with the appropriate units.
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| k0th = |
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Part B
What was the initial reactant concentration for the reaction described in Part A?
Express your answer with the appropriate units.
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| [A]0 = |
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Part C
The reactant concentration in a first-order reaction was 9.20Ã10â2M after 40.0 s and 8.20Ã10â3M after 95.0 s . What is the rate constant for this reaction?
Express your answer with the appropriate units.
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| k1st = |
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Part D
The reactant concentration in a second-order reaction was 0.130 M after 295 s and 6.60Ã10â2M after 900 s . What is the rate constant for this reaction?
Express your answer with the appropriate units. Include an asterisk to indicate a compound unit with mulitplication, for example write a Newton-meter as N*m.
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