Complete the following sentences regarding thermochemical quantities and reactio
ID: 483002 • Letter: C
Question
Complete the following sentences regarding thermochemical quantities and reactions the ___ is the ___ change when ___ of a compound forms from its ___ The ___ is the ___ change when ____ of a substance melts changes from the ____ phase to the ____ phase. The ____ is the change when ___ of a substance evaporates, changes from the ___ phase to the phase The ___ is the quantity of heat required to change the ___ of ___ of a maternal by ____ A(n) reaction absorbs heat from the surroundings. why a(n) ___ reaction releases heat to the surroundings.Explanation / Answer
1) heat of formation is the heat change when one mole of compound forms from its elements.
2)The heat of fusion is the heat change when 1 mole of a substance melts, changes from solid phase to liquid phase.
3) The heat of vaporization is the heat change when one mole of a substance evaporates, changes from liquid phase to the gas phase.
4) The specific heat capacity is the quantity of heat required to change the temperature of 1 gram of elements of a matrial by 1K.
5) An endothermic reaction absorbs heat from the surrounding while an exothermic reaction releases heat to the surroundings.