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Svetlanka [38]
2 years ago
6

Gases in order of increasing average molecular speed from slowest to fast at 25 c he,ne,nh3,no2,co.​

Chemistry
1 answer:
nata0808 [166]2 years ago
7 0

Answer: NO2, CO, NH3 , Ne, He

Explanation : speed is inversely proportional to mass, also

Lightest particle has greatest average speed

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