Arrange the following molecules in order of increasing average molecular speed. All are at the same...

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Arrange the following molecules in order of increasing average molecular speed. All are at the same...

Arrange the following molecules in order of increasing average molecular speed. All are at the same temperature.

carbon dioxide, hydrogen, krypton, oxygen

Enter formulas in the boxes below: 1 = slowest, 4 = fastest

1	2	3	4

science chemistry

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Answer 1

Answer #1

Molecular speed is inversely proportional to the root of molecular mass, so larger the molecular mass lesser will be the molecular speed.

Molar mass of CO2= 44g

Molar mass of H2= 2g

Molar mass of krypton =84 g

Molar mass of O2 = 32g

, so krypton has the lowest molecular speed than comes CO2 than comes oxygen followed by H2 which has the highest.

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Answer 2

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