16. uate the specific rate constant at the temperature at which the data were co

Question

16. uate the specific rate constant at the temperature at which the data were collected. The rate-law expression is rate KNOF[H H2(g) + NO(g) N20(g) + H2O(g) Experiement nt Initial [NO (M)InitialH(M Initial Rate (Mos' 0.30 0.60 0.60 0.35 0.35 0.70 2.835 x 103 1.134 x 102 2.268 × 10-2 Z.8F5x103 2.83 5xIS3 K×(0.30)(0.35) -LX -9.4 x 10-3 M-2-s-1 /OS 7 x 10-2 M-2 s-1 6 x 10-4 M-2-s-1 D8.1 x 10-3 M-2 s-1 x 10-2 M-2.s-1 .02 .1O5 X l 17. For the reaction CH3COOH (aq) + H2O (l) HaO+ (aq) CHC00-(aq). The addition of CH3COQNa shifts the equilibrium? U0(Ueot , 2

Explanation / Answer

rate = K[NO]2[H2]

K = rate / [NO]2[H2]

    = 2.835 X 10^-3/[0.3]^2[0.35]

    = 2.835 X 10^-3/0.09 X 0.35

    = 9.0 X 10^-2 M^-2.S^-1

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