Why is a ship less likely to sink from the amount of cargo it is carrying when it is in the ocean rather than a lake

6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.

Anybody wanna ? (picture included? )

Matter that emits no light at any wavelength is called