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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does ΔH_c° refer to?
💡 Hint: Think about the definition of combustion.
Question 2
Easy
Is the combustion of fuels typically an exothermic or endothermic process?
💡 Hint: Consider if heat is released or absorbed.
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 the enthalpy of combustion for methane?
- -2,803 kJ/mol
- -890.3 kJ/mol
- -1,500 kJ/mol
💡 Hint: Recall the combustion of methane.
Question 2
True or False: Combustion reactions are always exothermic.
- True
- False
💡 Hint: Think about the definition of combustion.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the total energy released from burning 4 moles of propane (C₃H₈), given ΔH_c° = -2,221 kJ/mol.
💡 Hint: Multiply moles by the enthalpy of combustion.
Question 2
Explain why a higher ΔH_c° can indicate a more efficient fuel in vehicles.
💡 Hint: Think about what efficiency in fuel means in practical terms.
Challenge and get performance evaluation