# 1298 lbm of liquid water contained in a cube at 150F is located inside a perfectly...

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1298 lbm of liquid water contained in a cube at 150F is located inside a perfectly insulated sphere with volume of 150 ft^3. initially filled with air at 45F and 300 psia. assume constant specific heats for both air and water at 80F. determine the final equilibrium temperature,R, in the sphere

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