[Single-digit Integer] Pure water vapour is trapped in a vessel of volume 10 ml. The relative humidi β States of Matter and Gaseous State Chemistry Question
Question
[Single-digit Integer] Pure water vapour is trapped in a vessel of volume 10 ml. The relative humidity is 40%. The vapour is compressed slowly and isothermally. The volume of vapour (in ml) at which first drop of liquid will form, is
![Chemistry diagram for: [Single-digit Integer] Pure water vapour is trapped in a vessel of volume 10 ml. The relative humidity is 40%. The vapou](https://urywdhpqdpvmqzlenttu.supabase.co/storage/v1/object/public/question-images/nk/ch03_exII_Q11.png)
Answer: 0004
π‘ Solution & Explanation
Initial: $P_1=0.40\,P_{sat}$, $V_1=10$ mL. First drop forms when $P=P_{sat}$. Boyle's law: $(0.40\,P_{sat})\times10=P_{sat}\times V_2 \Rightarrow V_2=4$ mL. Answer: $\boxed{4}$
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