Write the ideal gas law in terms of the density of the gas.
logistic_guy Senior Member Joined Apr 17, 2024 Messages 1,593 Jun 29, 2025 #1 Write the ideal gas law in terms of the density of the gas.
K khansaheb Senior Member Joined Apr 6, 2023 Messages 1,120 Jun 29, 2025 #2 logistic_guy said: Write the ideal gas law in terms of the density of the gas. Click to expand... Please show us what you have tried and exactly where you are stuck. Please follow the rules of posting in this forum, as enunciated at: READ BEFORE POSTING Please share your work/thoughts about this problem
logistic_guy said: Write the ideal gas law in terms of the density of the gas. Click to expand... Please show us what you have tried and exactly where you are stuck. Please follow the rules of posting in this forum, as enunciated at: READ BEFORE POSTING Please share your work/thoughts about this problem
logistic_guy Senior Member Joined Apr 17, 2024 Messages 1,593 Jul 15, 2025 #3 logistic_guy said: Write the ideal gas law in terms of the density of the gas. Click to expand... We know that the volume density is ρ=mV\displaystyle \rho = \frac{m}{V}ρ=Vm. The ideal gas law is: PV=nRT=mMRT\displaystyle PV = nRT = \frac{m}{M}RTPV=nRT=MmRT Then, P=mVRTM=ρRTM\displaystyle P = \frac{m}{V}\frac{RT}{M} = \rho\frac{RT}{M}P=VmMRT=ρMRT
logistic_guy said: Write the ideal gas law in terms of the density of the gas. Click to expand... We know that the volume density is ρ=mV\displaystyle \rho = \frac{m}{V}ρ=Vm. The ideal gas law is: PV=nRT=mMRT\displaystyle PV = nRT = \frac{m}{M}RTPV=nRT=MmRT Then, P=mVRTM=ρRTM\displaystyle P = \frac{m}{V}\frac{RT}{M} = \rho\frac{RT}{M}P=VmMRT=ρMRT