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Afossil form when an organism buried in sediment dissolves leaving a hollow area
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
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Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?
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If the pressure in a gas is doubled while its volume is held constant. true or false
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Afossil form when an organism buried in sediment dissolves leaving a hollow area...
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