3. Two glass bulbs of volume 500 and 100 cc are connected by a narrow tube whose volume is negligible. When the apparatus is sealed off, the pressure of the air inside is 70 cm of Hg and the temperature 20°C. What does the pressure become if the 100 cc bulb is kept at 20°C and the other is heated to 100°C?
3. Two glass bulbs of volume 500 and 100 cc are connected by a narrow tube whose volume is negligible. When the apparatus is sealed off, the pressure of the air inside is 70 cm of Hg and the temperature 20°C. What does the pressure become if the 100 cc bulb is kept at 20°C and the other is heated to 100°C?
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Transcribed Image Text:3. Two glass bulbs of volume 500 and 100 cc are connected by a narrow tube whose volume
is negligible. When the apparatus is sealed off, the pressure of the air inside is 70 cm of
Hg and the temperature 20°C. What does the pressure become if the 100 cc bulb is kept
at 20°C and the other is heated to 100°C?
4. A bubble of gas rises from the bottom of a lake 30 m deep. At what depth will the volume
be thrice as great as it was originally (atmospheric pressure = 0.76 m of mercury; specific
gravity of mercury = 13.6)?
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