Finding out pressure in a container if you know temp' and state-of-matter ratios

In summary, the ideal gas law can be used to calculate the pressure in a container by using the known values of temperature, number of moles, and volume. This law states that pressure (P) is equal to the product of the number of moles (n), the gas constant (R), and the temperature (T), divided by the volume (V). It can be applied to any type of gas under ideal conditions, where there is no interaction between gas particles and no phase changes occurring. The state-of-matter ratios, which determine the number of gas particles present, also play a role in affecting the pressure in a container. The units used to express pressure in the ideal gas law are typically atmospheres (atm), p
  • #1
Femme_physics
Gold Member
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Let's say you have a container with water in it. Let's say that you know that the temperature inside the container is 150 Celsius. Let's say that you have the ability to see inside the container and see the ratio of gas to liquid.

So, if you know the ratio and know the temperature, can you find out the pressure then by just looking at a phase diagram?
 
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  • #2
I would assume so if you had all the required values other than the pressure.
 
  • #3
Ah...chemistry. It just makes sense. Thanks :)
 

Related to Finding out pressure in a container if you know temp' and state-of-matter ratios

1. How do you calculate pressure in a container if you know the temperature and state-of-matter ratios?

To calculate the pressure in a container, you can use the ideal gas law, which states that pressure (P) is equal to the product of the number of moles (n), the gas constant (R), and the temperature (T), divided by the volume (V): P = (nRT)/V. The state-of-matter ratios can be used to determine the number of moles in the container.

2. What is the ideal gas law and how is it used to find pressure?

The ideal gas law is a mathematical formula that describes the relationship between the pressure, volume, temperature, and number of moles of a gas. It is used to find the pressure in a container by using the known values of temperature, number of moles, and volume.

3. Can you use the ideal gas law to find pressure for any type of gas?

Yes, the ideal gas law can be used for any type of gas as long as the conditions are ideal. This means that the gas particles are not interacting with each other and there are no phase changes occurring.

4. How do state-of-matter ratios affect pressure in a container?

The state-of-matter ratios, or the ratio of the number of moles of gas to the total number of molecules in the container, can affect the pressure in a container because it determines the number of gas particles present. This directly impacts the number of collisions that occur and, therefore, the pressure exerted by the gas.

5. What units are used to express pressure in the ideal gas law?

The units used to express pressure in the ideal gas law are typically atmospheres (atm), pascals (Pa), or kilopascals (kPa). However, any unit of pressure can be used as long as the units for volume and temperature are consistent.

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