How much heat (in calories) is needed to raise 140 grams of water from 20 degrees C to 25 degrees C?

How much heat (in calories) is needed to raise 250 grams of water from 80 degrees C to 87 degrees C?

A measure of the average kinetic energy of the individual particles is called

If two objects have different temperatures, heat will flow

How are thermal energy, heat and temperature related?

How does a glass of juice become cold when you add ice to it?

A fast-moving particle (A) and a slow-moving particle (B) collide. What happens to the kinetic energy when the particles collide?

A fast-moving particle (A) and a slow-moving particle (B) collide. Which particle has more kinetic energy after the collision?

What happens to a substance when heat is added?

What does it mean for a system to be in 'equilibrium'?

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