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The gas phase reaction H2 + I2 --> 2HI is second order. Its rate constant at...

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Chemistry

The gas phase reaction H2 + I2 --> 2HI is second order. Itsrate constant at 400 C is 0.0243 dm3/mol s. Calculate delta H,delta S, delta G and the pre-exponential at this temperature.Assume that delta H is constant over this temperature range.

Answer & Explanation Solved by verified expert
4.1 Ratings (643 Votes)
for H2 g I2 g 2HI g We have standard enthalpy of formation dHf HI g 2648 kJ mol dHf H2 g 0 dHf of I2 g 6244 kJmol so our reaction would have dh dHf products reactants dH 2 mol HI 2648 kJ mol 0    See Answer
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