Which of the following statements is true regarding exothermic reactions? (2021)

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Question: Which of the following statements is true regarding exothermic reactions? (2021)

Options:

Correct Answer: They release heat.

Exam Year: 2021

Solution:

Exothermic reactions release heat, resulting in a negative enthalpy change.

Which of the following statements is true regarding exothermic reactions? (2021)

Which of the following statements is true regarding exothermic reactions? (2021)

Step 1: Understand what an exothermic reaction is. It is a type of chemical reaction that releases heat.
Step 2: Know that when heat is released, the temperature of the surroundings increases.
Step 3: Learn about enthalpy, which is a measure of heat content in a system.
Step 4: In exothermic reactions, the enthalpy change (ΔH) is negative because the system loses heat to the surroundings.
Step 5: Conclude that the statement 'Exothermic reactions release heat, resulting in a negative enthalpy change' is true.

No concepts available.