Ammonia decomposes to nitrogen and hydrogen gas at T°C. The rate of decomposition follows the first order reaction with respect to ammonia. i) What is the rate law for the decomposition? ii) The concentration of ammonia is reduced from the initial value of 1.34 mol dm 3 to 0.52 mol dm-3 after 19 seconds. Calculate the rate constant, k, for the decomposition of ammonia at T°C. iii) Calculate the half-life of ammonia at T°C.

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Ammonia decomposes to nitrogen and hydrogen gas at ToC. The rate of
decomposition follows the first order reaction with respect to ammonia.
i)
What is the rate law for the decomposition?
The concentration of ammonia is reduced from the initial value of 1.34 mol
ii)
dm 3 to 0.52 mol dm 3 after 19 seconds. Calculate the rate constant, k, for
the decomposition of ammonia at T°C.
ii)
Calculate the half-life of ammonia at T°C.
Transcribed Image Text:Ammonia decomposes to nitrogen and hydrogen gas at ToC. The rate of decomposition follows the first order reaction with respect to ammonia. i) What is the rate law for the decomposition? The concentration of ammonia is reduced from the initial value of 1.34 mol ii) dm 3 to 0.52 mol dm 3 after 19 seconds. Calculate the rate constant, k, for the decomposition of ammonia at T°C. ii) Calculate the half-life of ammonia at T°C.
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