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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Solids, liquids and gases

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2

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Solids, liquids and gases

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Paper 3Theory (Core)2 marks

Gas laws are fundamental in understanding the behavior of gases.

Description

Gas Volume and Pressure

A gas occupies a volume of 2.0 L at a pressure of 1.0 atm. If the pressure is increased to 2.0 atm while keeping the temperature constant, what will happen to the volume?

  1. a

    Describe the change in volume when pressure is increased from 1.0 atm to 2.0 atm at constant temperature.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Solids, liquids and gases

Paper 3Theory (Core)1 marks

Description

Gas Behavior

Consider a gas in a sealed container. If the temperature of the gas is increased while the pressure remains constant, what happens to the volume of the gas?

  1. a

    State the effect of increasing temperature on the volume of a gas at constant pressure.

    Aim for approximately 1 distinct marking point.

    [1]