8. Thermochemistry

When propane (C_3H_8) burns in air, which form of energy is primarily converted to thermal energy?

Which of the following includes all energy-yielding substances?

What typically occurs when energy in an atom is released?

Why can transferring energy into or out of a substance change the molecules' freedom of movement?

Which type of energy does thermal energy represent?

Which of the following statements is true regarding chemical energy?

Which statement about energy is true?

When molecules gain energy, which of the following is most likely to occur?

Which of the following actions represents a conversion of chemical energy into mechanical energy?

Which of the following processes increases the potential energy of the particles in a sample?

Which energy source primarily drives the weather patterns observed on Jupiter?

What happens to the energy as it moves up the trophic levels in a food chain?

What is the ultimate source of energy for all life on Earth?

Which of the following types of electromagnetic radiation has the least energy?

On an atomic level, what is occurring that causes a substance to change its state (e.g., from solid to liquid or liquid to gas)?