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If a catalyst were used what do you expect to happen with

1. Consider the reaction described by the equation Cr(H₂O)₆³⁺(aq) + SCN^- (aq) → Cr(H₂O)5SCN²⁺(aq) + H₂O(1)

For which the following initial-rate data were obtained at 25°C:

[Cr(H₂O)₆³]₀ (M)	[SCN^-]₀ (M)	Initial rate (M/s)
1.0x10^-4	0.10	2.0x10^-11
1.0x10^-3	0.10	2.0x10^-10
1.5x10^-3	0.20	6.0x10^-10
1.5x10^-3	0.40	1.2x10^-9

(a) Determine the rate law and the value of the rate constant for the reaction.

(b) If the rate constant at 50°C is found to be 2x10^-5M^-1s^-1, what is the activation energy of this reaction?

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