Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of an endothermic reaction?
π‘ Hint: Think about heat transfer in relation to the surroundings.
Question 2
Easy
Name an example of an endothermic reaction.
π‘ Hint: Consider processes where heat is absorbed.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens during an endothermic reaction?
- Heat is released
- Heat is absorbed
- No heat change occurs
π‘ Hint: Think about energy flow in the reaction.
Question 2
ΞH for an endothermic reaction is:
- True
- False
π‘ Hint: Recall how ΞH is defined for different types of reactions.
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Challenge Problems
Push your limits with challenges.
Question 1
Calculate the enthalpy change (ΞH) for an endothermic reaction where 250 grams of ice melts at 0 Β°C to become liquid water at 0 Β°C. Given that the enthalpy of fusion for ice is 334 kJ/kg.
π‘ Hint: Convert grams to kilograms and use the given enthalpy of fusion value.
Question 2
Discuss how temperature changes during an endothermic reaction can affect the surrounding environment, giving an example.
π‘ Hint: Consider the applications of these reactions in practical scenarios.
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