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The table below shows a comparison of the different gas laws. Some cells have been left blank.

Name Variables Constants Equation Boyle's law Pressure, volume ? PV = k Charles’s law Volume, temperature ? V = kT ? Temperature, pressure Volume, moles of gas P = kT ? Pressure, temperature, volume ?

Which are assumed to be constant while using the combined gas law?

1. pressure
2. number of moles
3. volume and moles of gas
4. pressure and temperature

Respuesta :

Edufirst
The combined gas equation relates three variables pressure, temperature and volume when the number of moles is constant.

The equation is PV / T = constant. Which is valid for a fixed number of moles of the gas.

You can derive the combined gas equation from the combination of Bolye's law, Charles' law and Gay-Lussac's law, which needs some algebra.

Answer: option 2. number of moles.

Answer:option 2. n

Explanation:

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