The change in energy during a chemical reaction may be explained in terms of electrostatic interactions between subatomic particles. Which of the following best describes the change in energy when a covalent bond is formed?
The decomposition of calcium nitrate proceeds according to the following equation.
How much energy is needed to decompose 3.2 moles of calcium nitrate? Give your answer as a whole number.
The chemical equation for the decomposition of magnesium carbonate is shown.
Based on this chemical equation, which of the following statements is true?