Engineering System Constants for Perfect Gas

AI Thread Summary
The discussion centers on understanding the relationships between system constants for a perfect gas, also referred to as an ideal gas. Key concepts include the ideal gas law, which relates pressure, volume, temperature, and the number of moles of gas. Participants emphasize the importance of grasping the definitions and behaviors of ideal gases to clarify these relationships. The conversation also highlights the need for adherence to forum guidelines when seeking assistance. A solid understanding of these principles is essential for explaining the system constants effectively.
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Homework Statement
I have to explain the relationships between system constants for a
perfect gas.
Relevant Equations
none
Q) I have to explain the relationships between system constants for a
perfect gas.

Hi
can somebody explain this to me. I am kind of confused what this means and where to start and what to do.
Also not 100% sure what a perfect gas is.
 
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Thread 'Have I solved this structural engineering equation correctly?'

Thread 'Have I solved this structural engineering equation correctly?'

Hi all, I have a structural engineering book from 1979. I am trying to follow it as best as I can. I have come to a formula that calculates the rotations in radians at the rigid joint that requires an iterative procedure. This equation comes in the form of: $$ x_i = \frac {Q_ih_i + Q_{i+1}h_{i+1}}{4K} + \frac {C}{K}x_{i-1} + \frac {C}{K}x_{i+1} $$ Where: ## Q ## is the horizontal storey shear ## h ## is the storey height ## K = (6G_i + C_i + C_{i+1}) ## ## G = \frac {I_g}{h} ## ## C...
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