What is the equation for calculating latent heat?

Thermal Energy Calculations

Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
q = mcΔT
q = mL
q = mgh
q = mv²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of latent heat is involved in changing a solid directly to a gas?
Latent heat of condensation
Latent heat of sublimation
Latent heat of vaporization
Latent heat of fusion
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much energy is required to melt 5 kg of ice at 0°C into water at 0°C?
2.3 x 10⁶ J
3.3 x 10⁵ J
1.65 x 10⁶ J
4.6 x 10⁶ J
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 20 kg of steam at 100°C condenses into water at 100°C, how much energy is released?
3.3 x 10⁵ J
2.3 x 10⁶ J
1.65 x 10⁶ J
4.6 x 10⁷ J
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What equation is used to calculate the energy required to change the temperature of a substance?
q = mv²
q = mgh
q = mcΔT
q = mL
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a material is at its phase change temperature, which equation should be used?
q = mcΔT
q = mL
q = mgh
q = mv²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much energy is needed to heat 2 kg of water from 20°C to 100°C and then completely evaporate it?
5,272,000 J
4,600,000 J
1,650,000 J
672,000 J
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