Air at temperature 527^oC and pressure 30 atmospheres is admitted into the cylinder of an engine. Calculate the pressure of the gas when it has expanded to 5 times its volume and cooled to 127^oC as it leaves the engine

1.5 atmospheres

2.5 atmospheres

3.0 atmospheres

12.8 atmospheres

15.0 atmospheres

Correct answer is C

$\frac{V_1P_1}{T_1} = \frac{V_2P_2}{T_2}$

$\frac{1 \times 30}{527 + 2733} = \frac{5P_2}{127 + 273}$

$\frac{30}{800} = \frac{5p_2}{400}$

P₂ = $\frac{400 \times 30}{800 \times 5}$

= 3

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Air at temperature 527^oC and pressure 30 atmospheres is admitted into the cylinder of an engine. Calculate the pressure of the gas when it has expanded to 5 times its volume and cooled to 127^oC as it leaves the engine

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Air at temperature 527oC and pressure 30 atmospheres is admitted into the cylinder of an engine. Calculate the pressure of the gas when it has expanded to 5 times its volume and cooled to 127oC as it leaves the engine

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Air at temperature 527^oC and pressure 30 atmospheres is admitted into the cylinder of an engine. Calculate the pressure of the gas when it has expanded to 5 times its volume and cooled to 127^oC as it leaves the engine