Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0062 M.s : 2NH₂(g) → •N₂ (g) + 3H₂(g) Suppose a 3.0 L flask is charged under these conditions with 300. mmol of ammonia. How much is left 4.0 s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. m

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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−1
Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0062 M.s :
2 NH3 (g) → N₂ (g)+ 3 H₂ (g)
Suppose a 3.0 L flask is charged under these conditions with 300. mmol of ammonia. How much is left 4.0 s later? You may assume no other reaction is
important.
Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
Ú
×
x10
Ś
Transcribed Image Text:−1 Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0062 M.s : 2 NH3 (g) → N₂ (g)+ 3 H₂ (g) Suppose a 3.0 L flask is charged under these conditions with 300. mmol of ammonia. How much is left 4.0 s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. Ú × x10 Ś
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