Answer:
The pressure exerted by the gas is 100kPa
Explanation:
Let's apply the Charles Gay Lussac law, to solve the question.
At constant volume the pressure varies proportionally with the temperature.
P initial / T° initial = P final / T° final
50kPa / 20°C = P final / 40°C
Temperature has increased the double, so the pressure will be increased, the double too.
100 kPa
