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Consider 5kg of Helium initially at 30C, occupies 170 liters. A state change to 75C causes an entropy increase of 5.2 kJ/K. Determine a) final

Consider 5kg of Helium initially at 30°C, occupies 170 liters. A state change to 75°C causes an entropy increase of 5.2 kJ/K. 

Determine 

a) final volume; 

b) the final pressure 

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