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What is the temperature of 1.2 moles of Helium gas at 1950 mm Hg if it occupies 15,500 ml of volume?

Respuesta :

Replace  with  

1950

m

m

H

g

1950mmHg and simplify.

1.2

,

1950

m

m

H

g

,

15

,

500

m

L

sebassandin

Answer:

[tex]T=404.16K=13.1^oC[/tex]

Explanation:

Hello,

In this case, we use the ideal gas equation to compute the requested temperature as shown below and considering the proper units:

[tex]PV=nRT\\T=\frac{PV}{nR}=\frac{1950mmHg*\frac{1atm}{760mmHg}*15500mL*\frac{1L}{1000mL} }{1.2mol*0.082 \frac{atm*L}{mol*K} } \\T=404.16K=13.1^oC[/tex]

Best regards.

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