0.555 atm is the pressure of a fixed volume of a gas at 30.0C if it has a pressure of 1.11atm at 15C.
What is an ideal gas equation?
The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas.
According to Ideal Gas Equation,
PV = nRT
Therefore, P ∝ T
P₁T₂ = P₂T₁
Given :
P₁ = ?
P₂ = 1.11 atm
T₁ = 30.0 C
T₂ = 15 C
Solving :
P₁ x 30 = 1.11 x 15
P₂ = 0.555 atm
Hence, 0.555 atm is the pressure of a fixed volume of a gas at 30.0C if it has a pressure of 1.11atm at 15C.
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