An ideal gas having 2 moles (fixed) is subjected to the changes as shown is (P–V) diagram. Select the correct option(s) from the following diagram.

Engineering

Chemistry

Gas Laws and Graphical Representation

Question

Temperature at "A" $(\frac{16}{R})$ ; Pressure at "C" (60 R)

Temperature at "D" $(\frac{10}{R})$ ; Pressure at "B" (75 R)

Temperature at "A" $(\frac{8}{R})$ ; Pressure at "B" (75 R)

Temperature at "D" $(\frac{5}{R})$ ; Pressure at "C" (60 R)

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(i) n =2, T_B = 300 K ; P_B = $\frac{nRT}{V} = \frac{2 \times R \times 300}{8} = \frac{600}{8}$ R
V_B = 8 L $\frac{150}{2}$ = R
(ii) P_C = $\frac{nRT}{V_{C}} = \frac{2 \times R \times 300}{10}$ = 60 R
(iii) T_A = $\frac{P_{A} V_{A}}{nR} = \frac{2 \times 8}{2 R} = \frac{8}{R}$
(iv) T_D = $\frac{P_{D} V_{D}}{nR} = \frac{2 \times 10}{2 \times R} = \frac{10}{R}$

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