If i have 12 liters of gas at a temperature of 70° C and a pressure of 78.89 ATM, what will be the pressure of the gas if I raise the temperature to 95° C and decrease the volume to 10 liters?

Respuesta :

Ankit

Answer:

[tex]\small \boxed{\sf \: Raised \: Pressure (P_2 )= 101.5649 \: ATM}[/tex]

Explanation:

Given:

P1 = 78.89 ATM

V1 = 12 litres

T1 = 70° C= 343.15 K

V2 = 10 litres

T2 = 95°C= 368.15 K

To find:

P2 = ?

Solution:

Using ideal gas equation,

[tex]PV = nRT[/tex]

Since the number of moles & Universal gas constant (R) is constant, the final relation that would be derived between initial & final variables.

(The only unit conversion needed is temperature because it was an addition factor, for other variables it will be cancelled out)

[tex] \frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2} \\ \\ \frac{78.89 \times 12}{343.15} = \frac{P_2 \times 10}{368.15} \\ \\ P_2 = \frac{78.89 \times 12 \times 368.15}{343.15 \times 10} \\ \\ \boxed{\sf \: P_2 = 101.5649 \: \: ATM}[/tex]

[tex] \small \sf \: Answer \rightarrow \: The \: pressure \: will \: raise \: to \: 101.5649 \: ATM[/tex]

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