Estimate by what proportion directly above the pocket of oil

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Q1. The center of a 1.00 km diameter spherical pocket of oil is 1.00 km beneath the Earth's surface. Estimate by what proportion directly above the pocket of oil would differ from the expected value of g for the uniform Earth? Assume the density of oil is 8.0 x 10^2 kg/m^3.

Q2. Ice at -13.7 °C and steam at 114 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 43.3 °C is present. Ignoring container and equilibrium vapour pressure of the liquid at 43.3 °C, find the ratio of the mass of steam to the mass of ice. The specific heat capacity of steam is 2020 J/(kg C°).

Reference no: EM1310151

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