Question

which of the following gas samples would be most likely to behave ideally under the stated condition? A) H2 at 400atm and 25 C degree, b) CO at 200atm and 25 C degree, c) Ar at STP, d) N2 at atm and -70 C degree, e) SO2 at 2 atm and 0 K. Please, answer with detail explain.

Answer 1

answer : c) Ar at STP

explanation:

for any gas can behave as ideal its temperature should be high and pressure should be high .

in the given compounds

b) CO at 200 atm there will be intermolecular forces are starts so it will converts into liquid so it is not ideal gas

c) at STP Ar , T = 0 oC and pressure 1 atm . so it can be ideal

d) for N2 it given very low temperature so it is not ideal

e) in SO2 there will be intermolecular forces at normal conditions so it 0oc it will not ideal

a ) this some what compititive with option c) answer

because H2 gas critical temperature is -80 oC . its temperature given here 25oC . it should not converts into liquid whatever the pressure is applied above its critical temperature. so it can also be ideal behavior . but due to high pressure it may not be ideal