The specific volume of a gas is 5 m3/Kg, at 25 Pa, H = 40 J/Kg and at 40 Pa, H = 90 J/Kg, what is the heat transferred to the system?

• A. t-5 J/Kg
• B. t5 J/Kg
• C. t-25 J/Kg
• D. t25 J/Kg