Practice Latent Heat (11.6) - Calorimetry

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Define latent heat.
Show hintHide hint
Think about phase changes.
Question 2.
What is the latent heat of fusion?
Show hintHide hint
Relates specifically to melting.
3Question 3.
What does latent heat refer to?
- Heat during temperature change
- Heat during phase change without temperature change
- Heat related to solid only
Show hintHide hint
Think about phase transitions.
4Question 4.
True or False: Latent heat affects temperature.
- True
- False
Show hintHide hint
Consider what happens to temperature during boiling.
Question 5.
A sample of 5 kg of water is at its boiling point. How much energy is required to completely convert it to steam if the latent heat of vaporization is 2,260,000 J/kg?
Show hintHide hint
Use the given mass and latent heat of vaporization.
Question 6.
In a theoretical scenario, if you have a substance with a latent heat of fusion of 450,000 J/kg, how much heat is needed to melt 3 kg of this substance?
Show hintHide hint
Remember the latent heat fusion equation.

5 more questions in this section. Enroll free to practise them all.