8. Thermochemistry

As the molecular motion of a substance increases, which of the following changes occurs?

Which branch of chemistry is primarily concerned with the study of energy changes during chemical reactions?

Which statement best describes the relationship between metallic bond strength and the enthalpy of vaporization of a metal?

Do all materials respond to heat in the same way? Which of the following examples best supports your answer?

Which of the following best describes how the total reaction energy (enthalpy change) is calculated for a chemical reaction?

Which of the following occurs every time energy changes form?

Which process is primarily responsible for the release of chemical potential energy in a substance?

Which type of energy is commonly required to initiate a decomposition reaction?

When the process of condensation occurs, the kinetic energy of particles:

As water is heated, what happens to the molecules in the water?

Which of the following energy sources does not produce carbon dioxide when generating electricity?

When an atom absorbs energy, which of the following occurs?

In the photosynthesis equation 6 CO_2 + 6 H_2O ightarrow C_6H_{12}O_6 + 6 O_2, which is the main source of energy driving the reaction?

When oil is burned to heat your house, what happens to the chemical energy stored in the oil?

When a block of ice melts, which type of energy change is primarily occurring?