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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define heat and give its SI unit.
💡 Hint: What transfers because of temperature differences?
Question 2
Easy
What is temperature?
💡 Hint: What tells us the feeling of hotness or coldness?
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 the SI unit of heat?
- Calorie
- Joule
- Kilowatt
💡 Hint: Think of what heat transfers in.
Question 2
True or False: Temperature is dependent on mass.
- True
- False
💡 Hint: What remains even if you have more of the same substance?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A liquid with a specific heat capacity of 4.18 J/g·°C is required to increase its temperature from 20 °C to 80 °C with an intake of 1,500 J. What is the mass of the liquid?
💡 Hint: Rearrange the formula to solve for mass.
Question 2
If 250g of ice at -10°C absorbs 25,000 J of heat before melting, calculate how much more heat it requires to raise the temperature of the resulting water from 0°C to 100°C. (c for water= 4.18 J/g·°C)
💡 Hint: Consider both melting and heating separately.
Challenge and get performance evaluation