At a depth of 1030 m in Lake Baikal (a fresh water lake in Siberia), the pressure has increased by 100 atmospheres (to about 107 N/m2).
By what volume has 1.0 m3 of water from the surface of the lake been compressed if it is forced down to this depth? The bulk modulus of water is 2.3 109 Pa.
A) 5.3 10-3 m3 B) 4.3 10-3 m3 C) 2.3 10-3 m3 D) 3.3 10-3 m3
Question 2
A weather balloon containing 2.0 m3 of hydrogen gas rises from a location at which the temperature is 22C and the pressure is 101 kPa to a location where the temperature is -39C and the pressure is 20 kPa.
If the balloon is free to expand so that the pressure of the gas inside is equal to the ambient pressure, what is the new volume of the balloon? A) 4.0 m3
B) 6.0 m3
C) 8.0 m3
D) 10 m3
E) 12 m3
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Physics - Density and Pressure