Use the factorial operation to evaluate 4!. 4 x 3 x 2 x 1 4 + 3 + 2 + 1 4.321 4 - 3 - 2 - 1

The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?