Problem: Which of the following statements are evidence that gases do not always behave ideally? Check all that apply.-When two gases are mixed, they follow Dalton's law of partial pressures.-It is impossible to compress a gas enough so that it takes up no volume.-At 4 K and 1 atm, helium is a liquid.-CO2 gas becomes dry ice (solid CO2) at 1 atm and -78.5 °C.

FREE Expert Solution
86% (129 ratings)
FREE Expert Solution

-When two gases are mixed, they follow Dalton's law of partial pressures.

Dalton’s law follows ideal gas laws


-It is impossible to compress a gas enough so that it takes up no volume.

volume is not negligible

not ideal


-At 4 K and 1 atm, helium is a liquid.

low temperature

not ideal


86% (129 ratings)
Problem Details

Which of the following statements are evidence that gases do not always behave ideally? Check all that apply.

-When two gases are mixed, they follow Dalton's law of partial pressures.

-It is impossible to compress a gas enough so that it takes up no volume.

-At 4 K and 1 atm, helium is a liquid.

-CO2 gas becomes dry ice (solid CO2) at 1 atm and -78.5 °C.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Kinetic Molecular Theory concept. You can view video lessons to learn Kinetic Molecular Theory Or if you need more Kinetic Molecular Theory practice, you can also practice Kinetic Molecular Theory practice problems .

How long does this problem take to solve?

Our expert Chemistry tutor, Rae-Anne took 2 minutes to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Karagiaridi's class at BRYNMAWR.