8. Thermochemistry

Which form of energy initiates the reaction between chlorine and methane in a chlorination process?

Which type of energy is primarily associated with the random motion of the particles in a substance?

Which of the following situations best illustrates chemical energy being converted to another form of energy?

What is the ultimate source of energy for photosynthesis?

Which of the following statements about the study of energy changes in chemistry is correct?

When heat is added to atoms, which of the following best describes what happens?

When a candle burns, which of the following best describes the energy transformations that occur?

Which statement best describes the difference between thermal energy and heat?

Jon is a scientist researching the heat value of coal. Which heat measurement should he use?

The energy that warms Earth's surface comes primarily in the form of __________.

When bubbles form in a liquid that is being heated, what process has occurred?

In the context of a concentration gradient across a membrane, it is energetically favorable for protons to flow in which direction?

What type of energy transformation takes place during photosynthesis?

What type of energy is released when the chemical bonds of glucose are broken during cellular respiration?

When hydrogen gas (H_2) reacts explosively with oxygen gas (O_2) to form water, where does the released energy originate?