Practice Formula For Latent Heat (10.3.2) - Quantity of Heat

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9 questions

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6 sample questions

Question 1.
What is the latent heat of fusion for ice?
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Think about how much energy is required to melt ice.
Question 2.
What does 'Q' represent in the formula Q = mL?
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It's related to the energy involved in phase changes.
3Question 3.
What is the formula for latent heat?
- Q = m * L
- Q = m + L
- Q = m / L
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Think about how mass influences energy during phase transitions.
4Question 4.
True or False: Latent heat is involved in heating a substance without changing its temperature.
- True
- False
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Consider what happens during melting or boiling.
Question 5.
If 1.5 kg of ice at 0°C is melted into water, how much heat is absorbed?
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Remember to use the correct latent heat of fusion value.
Question 6.
How much heat is needed to convert 1 kg of water at 100°C to steam?
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Utilize the latent heat of vaporization for this calculation.

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