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Which of the following statements is true about exothermic reactions? (2019)

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Description

Question: Which of the following statements is true about exothermic reactions? (2019)

Options:

  1. They absorb heat.
  2. They release heat.
  3. They require energy input.
  4. They have a positive enthalpy change.

Correct Answer: They release heat.

Exam Year: 2019

Solution: 

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

Practice Questions

1 question
Q1
Which of the following statements is true about exothermic reactions? (2019)
  1. They absorb heat.
  2. They release heat.
  3. They require energy input.
  4. They have a positive enthalpy change.

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following statements is true about exothermic reactions? (2019)
Solution: Exothermic reactions release heat to the surroundings, resulting in a negative enthalpy change.
Steps: 0

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