The molecules of a given mass of a gas have RMS speed of 200 m/s at 300 K and 1,00,000 bar pressure. — States of Matter and Gaseous State Chemistry Question
Question
The molecules of a given mass of a gas have RMS speed of 200 m/s at 300 K and 1,00,000 bar pressure. When the absolute temperature is doubled and the pressure is halved, the RMS speed of molecules will become
Answer: D
💡 Solution & Explanation
RMS speed depends only on T. Doubling T increases speed by sqrt(2). Therefore, correct answer is D.
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