A student obtained the following data for the gas phase decomposition of nitrosyl chloride at 400...

A student obtained the following data for the gas phase decomposition of nitrosyl chloride at 400 K. NOCl(g)NO(g) + ½ Cl2(g) [NOCl], M 8.40×10-2 4.20×10-2 2.10×10-2 1.05×10-2 seconds 0 2.78×104 8.33×104 1.94×105 (1) What is the half-life for the reaction starting at t=0 s? s What is the half-life for the reaction starting at t=2.78×104 s? s Does the half-life increase, decrease or remain constant as the reaction proceeds? (2) Is the reaction zero, first, or second order? (3) Based on these data, what is the rate constant for the reaction? M-1s-1

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queen_honey_blossom answered 5 months ago

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The gas phase decomposition of nitrosyl chloride at 400 K NOCl(g)NO(g) + ½ Cl2(g) is second...

The gas phase decomposition of nitrosyl chloride at 400 K NOCl(g)NO(g) + ½ Cl2(g) is second order in NOCl with a rate constant of 5.90×10-4 M-1 s-1. If the initial concentration of NOCl is 8.78×10-2 M, the concentration of NOCl will be 9.48×10-3 M after seconds have passed.

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