If a gas absorbs 200J of heat and expands by 500 cm3 against a constant pressure of 2×105Nm-2 then change in internal energy is

q=+200Jw=−pDV =−2×105Nm2500×10−6m3 ΔE=q+w=−100J =200−100=+100J=23.92cal

If a gas absorbs 200J of heat and expands by 500 cm3 against a constant pressure of 2×105Nm-2 then change in internal energy is

q=+200Jw=−pDV =−2×105Nm2500×10−6m3 ΔE=q+w=−100J =200−100=+100J=23.92cal

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If a gas absorbs 200J of heat and expands by 500 cm³ against a constant pressure of ${2×10}^{5} {Nm}^{-2}$ then change in internal energy is

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$23.92 C a l$

-100J

+200J

+300J

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$q = + 200 J w = - p D V = - 2 \times 10^{5} \frac{N}{m^{2}} 500 \times 10^{- 6} m^{3} Δ E = q + w = - 100 J = 200 - 100 = + 100 J = 23.92 c a l$

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If a gas absorbs 200J of heat and expands by 500 cm3 against a constant pressure of 2×105Nm-2 then change in internal energy is

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If a gas absorbs 200J of heat and expands by 500 cm³ against a constant pressure of ${2×10}^{5} {Nm}^{-2}$ then change in internal energy is