Question 1 Under what conditions of temperature (T) and pressure (P) would you e
ID: 555797 • Letter: Q
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Question 1 Under what conditions of temperature (T) and pressure (P) would you expect gases to obey the ideal-gas equation? O Constant T and P O High T and Low P O Low T and low, p Low T and high P Question 2 3 p In the experiment, why do you equalize the water levels in the graduated cylinder and the large container of water? O To equalize the gas pressure in the cylinder and in the room. 0 Because the gas is a real gas To make it easier to read volume 0 Because the hydrogen gas is lighter than air.Explanation / Answer
1.
Answer is High T and Low P.
A gas behaves like an ideal gas at higher temperature and lower pressure, since the potential energy due to intermolecular forces becomes significant less when compared with the particle's kinetic energy, and the size of the molecules becomes significant less when compared with the empty space between them.
2.
In this question you have not mentioned the experiment. But it is due to equalizing the pressure.
Answer is To equalize the gas pressure in the cylinder and in the room
Equalizing the water levels equalizes the pressures and ensures that the total pressure in the flask is atmospheric and does not contain a contribution from the pressure due to the height of the water column.
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