Question 5

A balloon is filled with 160 g of argon gas (Ar). The pressure of the gas is 120 kPa at
a temperature of 15 ºC.

5.1 Calculate the volume of the balloon. (4)

5.2 The temperature of the gas is now increased BY 20 ºC and the initial pressure
is doubled. Calculate the new volume of the balloon. (4)


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