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Date May 2017 Marks available 1 Reference code 17M.1.SL.TZ2.11
Level Standard level Paper Paper 1 Time zone 2
Command term Question number 11 Adapted from N/A

Question

A mass m of ice at a temperature of –5 °C is changed into water at a temperature of 50 °C.

Specific heat capacity of ice = ci
Specific heat capacity of water = cw
Specific latent heat of fusion of ice = L

Which expression gives the energy needed for this change to occur?

A.  55 m cw + m L

B.  55 m ci + 5 m L

C.  5 m ci + 50 m cw + m L

D.  5 m ci + 50 m cw + 5 m L

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 3: Thermal physics » 3.1 – Thermal concepts
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