Which of these physical changes would require the liberation of energy, exothermic?
a. melting point
b. boiling point
c. condensation of steam to form liquid
d. sublimation from a solid to a gas
Answer: C
Which of these physical changes would require the liberation of energy, exothermic?
a. melting point
b. boiling point
c. condensation of steam to form liquid
d. sublimation from a solid to a gas