Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an exothermic reaction?
๐ก Hint: Think about energy release.
Question 2
Easy
What does a negative ฮH indicate?
๐ก Hint: Consider the heat flow direction.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What do exothermic reactions do?
๐ก Hint: Think about the energy flow.
Question 2
True or False: A negative ฮH indicates an endothermic process.
๐ก Hint: Revisit the definition of ฮH signs.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
A reaction releases 1500 J of heat. Is this reaction exothermic or endothermic? Justify your answer.
๐ก Hint: Recall the definitions of exothermic and endothermic reactions.
Question 2
Consider the enthalpy change for the combustion of propane (CโHโ). If 1 mole of propane releases 2044 kJ of heat, what is the ฮH for this reaction? Explain your reasoning.
๐ก Hint: Remember that energy released is indicated by a negative ฮH.
Challenge and get performance evaluation