Calculate the enthalpy of vaporization of nitric acid. If the vapor pressure of nitric acid is 26.6 mmHg at 10.0°C and 208 mmHg at 50.0 °C. (R = 8.314 J/K mol). 225 kJ/mol 25.6 kl/mol 39.1 kJ/mol 566 kJ/mol 48.4 kl/mol None of the above

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