8. Thermochemistry

Which of the following best describes an exothermic reaction?

Which of the following best describes an endothermic change?

In which of the following scenarios is chemical energy being transformed into thermal energy?

Which statement best describes the difference between an exothermic reaction and an exergonic reaction?

If you were to touch a flask in which an exothermic reaction is occurring, what would you most likely feel?

Which of the following changes of state results in a decrease in the kinetic energy of the particles?