Which phase change in an example of an exothermic process?
a solid to liquid
b solid to gas
c liquid to solid
d liquid to gas
e solid to plasma

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Name the element in group 17, period 2. (periodic table)