when a mole of substance x evaporates 183 kj of heat is absorbed from
Question
When a mole of substance X evaporates, 18.3 kJ of heat is absorbed from the surroundings. When a mole of X freezes, 3,830 J of energy is released to the
surroundings. How much heat must be absorbed from the surroundings for a mole of X to sublime? Give your answer in kJ to 3 significant figures.