Question
Asked Nov 30, 2019
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An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30 °C. How many
molecules are there in the gas?
A) 2.4 x 1022
B) 6.0 x 1022
C) 2.3 x 1023
D) 6.1 x 1023
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An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30 °C. How many molecules are there in the gas? A) 2.4 x 1022 B) 6.0 x 1022 C) 2.3 x 1023 D) 6.1 x 1023

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Expert Answer

Step 1

According to the ideal...

PV nRT
Solve for n
PV
RT
m3
1.0L x
1.013 x 10
2.5atm x
latm
1000L
8.314x (273.15+30)
= 0.100 moles
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PV nRT Solve for n PV RT m3 1.0L x 1.013 x 10 2.5atm x latm 1000L 8.314x (273.15+30) = 0.100 moles

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Science

Physics

Thermodynamics