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The following data were odtained during ...

The following data were odtained during the frist order thermal decomposition of `C_2H_5Cl` at a constant volume:
`C_2H_5Cl(g) rarr C_2 H_4 (g) + HCl(g)`

Calcuate the rate constant .
(Given: `log2=0.3010, log3=0.4771,log4=0.6021`)

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