Physics, 18.09.2019 08:00 sadewright21404
In addition to filling lakes with sediment, why is eutrophication a biological concern?
Answers: 1
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
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Physics, 23.06.2019 00:30
Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving
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Physics, 23.06.2019 01:00
The smallest particle of an element that retains its identity in a chemical reaction. true or false
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Physics, 23.06.2019 01:30
The process of a material going through a change of state from a gas to a liquid
Answers: 2
In addition to filling lakes with sediment, why is eutrophication a biological concern?...
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