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Question 18M.1.SL.TZ2.13

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.13
Level SL Paper 1 Time zone TZ2
Command term Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
18M.1.SL.TZ2.13

A sealed container contains water at 5 °C and ice at 0 °C. This system is thermally isolated from its surroundings. What happens to the total internal energy of the system?

A.     It remains the same.

B.     It decreases.

C.     It increases until the ice melts and then remains the same.

D.     It increases.

[1]

Markscheme

A

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