試題詳解

4. Which of the following statements is false?
(A)The density of a gas is directly proportional to the external pressure.
(B)The density of helium gas is double that of hydrogen gas.
(C)The density of a gas is indirectly proportional to the temperature in Kelvin.
(D)All gases have the same density at STP.
(E) All the statements above are correct.