At STP,as the Molar Mass of the Molecules That Make

question 99

Multiple Choice

At STP,as the molar mass of the molecules that make up a pure gas increases,the

• A)root mean square speed of the molecules increases.
• B)root mean square speed of the molecules decreases.
• C)root mean square speed of the molecules remains constant.
• D)root mean square speed increases to a maximum,then decreases.
• E)none of the above.

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