A thermodynamical process is shown in fig. With $P_{A} = 3 \times 10^{4} P_{a}; V_{A} = 2 \times 10^{- 3} m^{3}$ ;
$P_{B} = 8 \times 10^{4} N / m^{2}; V_{D} = 5 \times 10^{- 3} m^{3}$ , In the processes AB and BC, 600J and 200J of heat is added to the system respectively . The change in internal energy of the system in process AC would be

Question

A thermodynamical process is shown in fig. With $P_{A} = 3 \times 10^{4} P_{a}; V_{A} = 2 \times 10^{- 3} m^{3}$ ;

$P_{B} = 8 \times 10^{4} N / m^{2}; V_{D} = 5 \times 10^{- 3} m^{3}$ , In the processes AB and BC, 600J and 200J of heat is added to the system respectively . The change in internal energy of the system in process AC would be

Infinity Learn · Accepted Answer

$$W=WA$$→$$B+WB$$→$$C=O+P(V2$$−$$V1)=8$$×$$104(5$$×$$10$$−$$3$$−$$2$$×$$10$$−$$3)=240J$$Δ$$Q=$$Δ$$U+$$Δ$$W600+200=$$Δ$$U+240560J=$$ΔU

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A thermodynamical process is shown in fig. With PA=3×104Pa;VA=2×10−3m3 ;PB=8×104N/m2;VD=5×10−3m3, In the processes AB and BC, 600J and 200J of heat is added to the system respectively . The change in internal energy of the system in process AC would be

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