System Constants for Perfect Gas

In summary, the ideal gas law is a combination of three gas laws and states that the pressure of a gas is directly proportional to its temperature and the number of moles of gas, and inversely proportional to its volume. System constants for perfect gas, such as the universal gas constant and the molar gas volume, are used to calculate the properties of gases under ideal conditions. The universal gas constant, denoted by the symbol R, is used to convert units of pressure, volume, and temperature in order to calculate the properties of gases. The molar gas volume is used to relate the volume of a gas to its pressure and temperature, and to determine the number of moles of gas in a given volume. The specific gas constant,
  • #1
lee123456789
93
5
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.
 
Physics news on Phys.org
  • #2

1. What is a system constant for perfect gas?

A system constant for perfect gas is a physical quantity that remains constant regardless of changes in pressure, volume, or temperature of the gas. It is also known as a gas law constant.

2. What is the value of the system constant for perfect gas?

The value of the system constant for perfect gas depends on the specific gas being measured. For example, the system constant for perfect gas can be represented by the symbol R and has a value of 8.314 J/mol·K for an ideal gas, while it has a value of 0.0821 L·atm/mol·K for a real gas.

3. How is the system constant for perfect gas calculated?

The system constant for perfect gas can be calculated using the ideal gas law, which states that the product of pressure and volume is directly proportional to the product of the number of moles and temperature. The formula for the ideal gas law is PV = nRT, where R is the system constant for perfect gas.

4. Why is the system constant for perfect gas important?

The system constant for perfect gas is important because it helps to describe the behavior of gases under different conditions. It allows scientists to make accurate predictions and calculations regarding the properties of gases, such as pressure, volume, and temperature.

5. Can the system constant for perfect gas change?

No, the system constant for perfect gas remains constant for a specific gas under all conditions. However, the value of the system constant may vary for different gases depending on their properties.

Similar threads

Engineering Calculating the mass of air in a pressurised air tank
    • Engineering and Comp Sci Homework Help
Replies
14
Views
1K
I Variation of air temperature with altitude
    • Classical Physics
Replies
27
Views
907
Why is temperature constant after gas has expanded?
    • Introductory Physics Homework Help
Replies
33
Views
1K
Gas - cylinder - piston problem
    • Engineering and Comp Sci Homework Help
Replies
1
Views
1K
B Applying Bernoulli's equation to problems involving a perfect gas
    • Classical Physics
Replies
8
Views
642
B Energy seems to disappear when gas is compressed?
    • Thermodynamics
Replies
3
Views
1K
Limiting factor in design of small gas turbine w/ LOW self sustain speed
    • Mechanical Engineering
Replies
4
Views
130
Temperature after closing the valve
    • Engineering and Comp Sci Homework Help
Replies
8
Views
1K
Thermodynamics help please -- Air passing through a gas turbine system
    • Engineering and Comp Sci Homework Help
Replies
17
Views
2K
Total force from air spring model (double acting piston)
    • Mechanical Engineering
Replies
8
Views
1K

Hot Threads

Recent Insights

Back
Top