(6a) The gas phase decomposition of nitrosyl chloride at 400 K NOCl(g)NO(g) + ½ Cl2(g) is second order in NOCl. In one experiment, when the initial concentration of NOCl was 0.110 M, the concentration of NOCl dropped to 2.27×10-2 M after 4.11×104 seconds had passed. Based on these data, the rate constant for the reaction is _____ (6b) The gas phase decomposition of hydrogen iodide at 700 K HI(g)½ H2(g) + ½ I2(g) is second order in HI with a rate constant of 1.20×10-3 M-1 s-1.

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(6a) The gas phase decomposition of nitrosyl chloride at 400 K

NOCl(g)NO(g) + ½ Cl2(g)

is second order in NOCl.

In one experiment, when the initial concentration of NOCl was 0.110 M, the concentration of NOCl dropped to 2.27×10-2 M after 4.11×104 seconds had passed.

Based on these data, the rate constant for the reaction is _____

(6b)

The gas phase decomposition of hydrogen iodide at 700 K

HI(g)½ H2(g) + ½ I2(g)

is second order in HI with a rate constant of 1.20×10-3 M-1 s-1.

 

If the initial concentration of HI is 1.38 M, the concentration of HI will be M after 1.47×103 seconds have passed.

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