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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What type of reaction absorbs heat?
💡 Hint: Think about reactions that require energy input.
Question 2
Easy
What does ΔH represent?
💡 Hint: It indicates whether heat is released or absorbed.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which type of reaction releases heat?
💡 Hint: Consider how these reactions affect surrounding temperatures.
Question 2
True or False: Photosynthesis is an exothermic reaction.
💡 Hint: Remember what happens during the energy transformation in plants.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
A reaction releases 750 J of energy and warms its surroundings. Is it exothermic or endothermic? Explain.
💡 Hint: Recall the definitions discussed.
Question 2
If a specific endothermic reaction requires 600 J of input heat to proceed, what is the sign of ΔH?
💡 Hint: Consider how energy absorption relates to enthalpy changes.
Challenge and get performance evaluation