molecule is first denatured (that is, loses ts ull to a change in overall struct
ID: 715202 • Letter: M
Question
molecule is first denatured (that is, loses ts ull to a change in overall structure) before it dimerizes: P"( denatured) slow fast P 13.126 A gas mixture co cules, and an ine a total pressure CH where the asterisk denotes a denatured protein mol- ecule. Derive an expression for the average molar mass (of P and P2), M, in terms of the initial protein concentration [Plo and the concentration at time t, [P), and l. Describe how you would determine k has a second Given that t 0.00093 and tial rate of from molar mass measurements. 13.122 When the concentration of A in the reaction CARIS AB was changed from 1.20 M to 0.60 M 13.127 To preven the half-life increased from 2.0 min to 4.0 min at 25°C. Calculate the order of the reaction and the rate constant. (Hint: Use the equation in Prob dure is to who has chemica 13.128 The acti 2N20(8 is 240 lem 13.118.) 13.123 At a certain elevated temperature, ammonia decom- poses on the surface of tungsten metal as follows:Explanation / Answer
122) when concentration of A is 1.20 M then half life is 2.0 min
when concentration of A is 0.60 M then half life is 4.0 min
means half life is inversly proportional to concentration of A.
which indicates order with respect to A is second .
order of the reaction = 2.0
for second order
K = 1 / [A0] t1/2
K = 1 / 1.20 x 2.0
K = 1 / 2.40
K = 0.47 M-1 min-1
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