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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of an endothermic reaction?
💡 Hint: Think about heat transfer in relation to the surroundings.
Question 2
Easy
Name an example of an endothermic reaction.
💡 Hint: Consider processes where heat is 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 happens during an endothermic reaction?
- Heat is released
- Heat is absorbed
- No heat change occurs
💡 Hint: Think about energy flow in the reaction.
Question 2
ΔH for an endothermic reaction is:
- True
- False
💡 Hint: Recall how ΔH is defined for different types of reactions.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the enthalpy change (ΔH) for an endothermic reaction where 250 grams of ice melts at 0 °C to become liquid water at 0 °C. Given that the enthalpy of fusion for ice is 334 kJ/kg.
💡 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.
💡 Hint: Consider the applications of these reactions in practical scenarios.
Challenge and get performance evaluation