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2 years ago

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

Chemistry

2 answers:

Amanda [17]2 years ago

5 0

Answer:

$T=404.16K=13.1^oC$

Explanation:

Hello,

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

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

Best regards.

n200080 [17]2 years ago

4 0

Replace with

1950

1950mmHg and simplify.

1.2

1950

500

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