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The work done when two mole of an ideal gas is compressed from a volume of 5 m3 to 1 dm3 at 300 K, under a pressure of 100 kPa isCorrectIncorrect
Assuming enthalpy of combustion of hydrogen at 273 K, –286 kJ and enthalpy of fusion of ice at the same temperature to be + 6.0 kJ, calculate enthalpy change during formation of 100 g of iceCorrectIncorrect
The values of ΔH and ΔS of a certain reaction are – 400 kJ mol–1 and –20 kJ mol–1K–1 respectively. The temperature below which the reaction is spontaneous isCorrectIncorrect
The enthalpy of vaporization of a certain liquid at its boiling point of 35ºC is 24.64 kJ mol–1. The value of change in entropy for the process isCorrectIncorrect
The value of ΔH for cooling 2 mole of an ideal monoatomic gas from 225°C to 125°C at constant pressure will be given Cp = 5/2 RCorrectIncorrect
The standard enthalpy of formation of NH3 is –46.0 kJ mol–1. If the enthalpy of formation of H2 from its atoms is –436 kJ mol–1 and that of N2 is –712 kJ mol–1, the average bond enthalpy of N — H bond is NH3 isCorrectIncorrect
The amount of heat evolved when 500 cm3 of 0.1 M HCl is mixed with 200 cm3 of 0.2 M NaOH is ______.CorrectIncorrect
If one mole of ammonia and one mole of hydrogen chloride are mixed in a closed container to form ammonium chloride gas, thenCorrectIncorrect
Which of the following is an intensive property?CorrectIncorrect
The standard enthalpy of formation (ΔfH°) at 298 K for methane, CH4(g), is –74.8 kJ mol–1. The additional information required to determine the average energy for C – H bond formation would beCorrectIncorrect