MichaelSauceee1048 MichaelSauceee1048
  • 26-04-2020
  • Chemistry
contestada

A 55.0 L sample of gas at 235 K exerts a pressure of 225 KPa. If its volume is decreased to 42.0 L and the temperature rises to 315 K, what is its new pressure?

Respuesta :

aristeus aristeus
  • 27-04-2020

Answer:

Final pressure will be equal to 394.94 kPa

Explanation:

It is given volume [tex]V_1=55L[/tex]

Temperature of the gas [tex]T_1=235K[/tex]

Initial pressure exerted [tex]P_1=225kPa[/tex]

Now volume is decreased to [tex]V_2=42L[/tex]

And temperature is increases to [tex]T_2=315K[/tex]

By using gas equation

[tex]\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}[/tex]

[tex]\frac{225\times 55}{235}=\frac{P_2\times 42}{315}[/tex]

[tex]P_2=394.94kPa[/tex]

So final pressure will be equal to 394.94 kPa

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