Pressure is the force experienced by an object. It can be calculated by the ideal gas equation. The pressure of 0.76 moles of 2800 cm³ methane is 6.46 atm.
What is an ideal gas equation?
An ideal gas equation is the representation of the pressure, temperature, moles, gas constant, and volume of the hypothetically ideal gas.
Given,
Moles of methane = 0.76 moles
Temperature = 290 K
Gas constant = 0.0821 L atm per mol per K
Volume of methane = 2800 cm³
The cm³ is converted into liters as,
1 cm³ = 10⁻³ L
2800 cm³ = 2.8 L
The values are substituted into the ideal gas equation as,
PV = nRT
P = nRT ÷ V
P = (0.76 moles × 0.0821 L atm per mol per K × 290 K) ÷ 2.8 L
P = 6.46 atm
Therefore, 6.46 atm is the pressure of 0.76 moles of methane gas at 290 K.
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