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2.2.3a Melting, boiling, condensation and solidification

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Question 33

Water in a beaker gains thermal energy at a rate of 2500 W. The water is already at its boiling point.

The specific latent heat of vaporisation of water is 2260 J/g.

How long does it take for 150 g of the water to vaporise?

A

90 s90\text{ s}90 s

B

136 s136\text{ s}136 s

C

166 s166\text{ s}166 s

D

339 s339\text{ s}339 s

Markscheme

2.2.3a Melting, boiling, condensation and solidification Questions

  1. IGCSE
  2. /Physics
  3. /2.2.3a Melting, boiling, condensation and solidification

313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.

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