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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the standard enthalpy of combustion for methane?
💡 Hint: Think about the common reaction that produces carbon dioxide and water.
Question 2
Easy
What are the common products of combustion reactions?
💡 Hint: Consider what is produced by burning hydrocarbons.
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 ΔH_c°?
- Heat released during combustion
- Heat absorbed during combustion
- Total energy change in reaction
💡 Hint: Remember it is about burning a substance and what happens to energy.
Question 2
True or False: ΔH_c° is always positive for combustion reactions.
- True
- False
💡 Hint: Think about what occurs when something burns.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Explain the environmental impacts of different combustion fuels and their ΔH_c° values on greenhouse gas emissions.
💡 Hint: Consider the correlations between energy yields and emissions.
Question 2
Using standard enthalpy values, calculate the ΔH_c° for the combustion of propane (C₃H₈) if the reaction is: C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O.
💡 Hint: Find the values for each involved and apply the formula.
Challenge and get performance evaluation