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Sagot :
Answer:
The answer is "[tex]-121\ \frac{KJ}{Kg}[/tex]".
Explanation:
Please find the correct question in the attachment file.
using formula:
[tex]\to W=-P_1V_1+P_2V_2 \\\\When \\\\\to W= \frac{P_1V_1-P_2V_2}{n-1}\ \ or \ \ \frac{RT_1 -RT_2}{n-1}\\\\[/tex]
[tex]W =\frac{R(T_1 -T_2)}{n-1}\\\\[/tex]
[tex]=\frac{0.287(25 -237)}{1.5-1}\\\\=\frac{0.287(-212)}{0.5}\\\\=\frac{-60.844}{0.5}\\\\=-121.688 \frac{KJ}{Kg}\\\\=-121 \frac{KJ}{Kg}\\\\[/tex]
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