State compress a gas enough so that it takes up no volume

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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.

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

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

Reference no: EM13195195

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