< Notes June 8, 2022 at 11:27 PM Urea (NH2CONH2) is the end product of protein metabolism in animals. In acid, urea decomposes into ammonium and bicarbonate ions via the following reaction. NH2CONH2 (aq) + H(+) (aq) + 2 H20 (1) -> 2NH4+ (aq) + HCO3- (aq) The reaction is first order with respect to urea, and first order overall with a rate constant of 4.28 x 10^(-4)s^(-1) a. Write the rate law for this reaction. b. If the reaction begins with an initial urea concentration of 0.500 M, what will the concentration of urea in the solution be after 2500 s? C) Calculate the half life of this reaction.

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Chapter1: Chemical Foundations
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< Notes
June 8, 2022 at 11:27 PM
Urea (NH2CONH2)
is the end product of
protein metabolism in animals. In acid, urea
decomposes into ammonium and bicarbonate
ions via the following reaction.
NH2CONH2 (aq) + H(+) (aq) + 2 H20 (1) - ->
2NH4+ (aq) + HCO3- (aq)
The reaction is first order with respect to urea,
and first order overall with a rate constant of
4.28 x 10^(-4)s^(-1)
a. Write the rate law for this reaction.
b. If the reaction begins with an initial urea
concentration of 0.500 M, what will the
concentration of urea in the solution be after
2500 s?
C) Calculate the half life of this reaction.
d. At what time (+) will the concentration of
urea be 0.020 M?
O
□
Transcribed Image Text:11:27 < Notes June 8, 2022 at 11:27 PM Urea (NH2CONH2) is the end product of protein metabolism in animals. In acid, urea decomposes into ammonium and bicarbonate ions via the following reaction. NH2CONH2 (aq) + H(+) (aq) + 2 H20 (1) - -> 2NH4+ (aq) + HCO3- (aq) The reaction is first order with respect to urea, and first order overall with a rate constant of 4.28 x 10^(-4)s^(-1) a. Write the rate law for this reaction. b. If the reaction begins with an initial urea concentration of 0.500 M, what will the concentration of urea in the solution be after 2500 s? C) Calculate the half life of this reaction. d. At what time (+) will the concentration of urea be 0.020 M? O □
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