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Paper 1 H - SAMPLE SET 1 Q1
shows a balloon filled with helium gas.
1.1) Describe the movement of the particles of helium gas inside the balloon. [2 marks]
1.2) What name is given to the total kinetic energy and potential energy of all the particles of helium gas in the balloon? [1 mark]
1.3) Write down the equation which links density, mass and volume. [1 mark]
1.4) The helium in the balloon has a mass of 0.00254 kg.
The balloon has a volume of 0.0141 m
Calculate the density of helium. Choose the correct unit from the box. [3 marks]
Density = ___________________ Unit: _________________
(Total for Question 1 = 7 marks)
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