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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of enthalpy?
💡 Hint: It relates to energy and volume.
Question 2
Easy
What happens to the temperature of the surroundings in an exothermic reaction?
💡 Hint: Think about heat flow direction.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is enthalpy primarily concerned with?
- Temperature changes
- Heat exchange
- Pressure variations
💡 Hint: Relate it to energy transfer.
Question 2
True or False: An endothermic reaction has a negative ΔH.
- True
- False
💡 Hint: Think about heat flow direction.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Using the enthalpy values provided, calculate the standard enthalpy of reaction for the formation of CO₂ (g) from carbon and oxygen.
💡 Hint: Use ΔH_f° values for carbon and oxygen as zero.
Question 2
Explain why the enthalpy change for the combustion of fuels is critical in energy production, including examples.
💡 Hint: Consider how exothermic reactions benefit energy needs.
Challenge and get performance evaluation