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2.2 Thermal properties and temperature

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Question 98

A scientist heats some water in a beaker on a constant-power hotplate.

The temperature of the water rises by $∘C15\ ^\circ\text{C}$ in time $t$ .

She then puts the same volume of an experimental liquid in an identical beaker on the same hotplate.

Water is 0.75 times as dense as the experimental liquid, and the specific heat capacity of water is 2.4 times that of the experimental liquid.

What is the time taken for the temperature of the experimental liquid to rise by $∘C15\ ^\circ\text{C}$ ?

A

$0.31 t$

B

$0.56 t$

C

$1.8 t$

D

$3.2 t$

Markscheme

2.2 Thermal properties and temperature Questions

IGCSE
Physics
2.2 Thermal properties and temperature

528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.

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