Which of these numbers is the COEFFICIENT in the formula - 4H2BrO3

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Ответ:

macybarham

17.03.2020

Chemistry

K_T=2.014x10^6

Explanation:

Hello,

By assuming the validity (constant ΔH°rxn) of the van't Hoff equation:

$ln(\frac{K_T}{K_{T^0}})=-\frac{H_{rxn}}{R} (\frac{1}{T} -\frac{1}{T^0} )$

Solving for K_T it means the equilibrium constant at 1 °C, we get:

$ln(K_T)=ln(2.25x10^4)-\frac{-128000J/mol}{8.314J/(mol*K)}*(\frac{1}{274.15K}-\frac{1}{298K} ) \\\\ln(K_T)=14.52$

Finally:

$K_T=exp(14.52)\\\\K_T=2.014x10^6$

Best regards.

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