Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0046 Ms: 2 NH, (g) → N2 (g) + 3 H, (g) Suppose a 400. mL flask is charged under these conditions with 450. mmol of ammonia. How much is left 60. s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
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Chapter11: Chemical Kinetics: Rates Of Reactions
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Please write in correct significance figures.
Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0046 M's':
2 NH, (g) → N2 (g) + 3 H, (g)
Suppose a 400. mL flask is charged under these conditions with 450. mmol of ammonia. How much is left 60. s later? You may assume no other
reaction is important.
Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
Transcribed Image Text:Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0046 M's': 2 NH, (g) → N2 (g) + 3 H, (g) Suppose a 400. mL flask is charged under these conditions with 450. mmol of ammonia. How much is left 60. s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
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