Lesson: Chapter 9 — Heat

9.3. Changes of state 3 of 5 Reset answers

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Question 3

How much heat turns 1 kg of water at 100 °C into steam at 100 °C?

A 4200 J B 420 000 J C 2.26 × 10⁶ J D 3.36 × 10⁵ J

The right answer is the one marked above.

2.26 × 10⁶ J. That is water's specific latent heat of vaporization. 3.36 × 10⁵ J is the figure for melting ice.

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