8. Thermochemistry

Which of the following types of reactions release energy?

Which of the following best describes the energy change that occurs during an endothermic reaction?

Which of the following diagrams best represents the potential energy changes during an exothermic reaction?

Which of the following compounds is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?

Which of the following best describes what happens during an exothermic reaction?

Which of the following happens during an endothermic chemical change?

Which of the following best describes the reaction Fe^{3+}(aq) + SCN^{-}(aq) → FeSCN^{2+}(aq)?

During an endothermic reaction, what typically happens to the temperature of the surroundings?

Which is the best explanation of why heat is released when wood burns?

Which of the following options correctly describes an exothermic reaction?

Which statement is true for the endothermic reaction 2 SO2(g) → 2 SO3(g) + O2(g)?

Which one of the following is an endothermic process?

Why does your hand feel cold when you touch an ice cube?

Which term best describes a chemical reaction in which energy is absorbed from the surroundings?

Which of the following chemical equations represents an endothermic reaction?