200 kg/min of steam enters a turbine at 40 bar with 100 degrees of superheat through a 7.5 cm diameter pipe and exits as saturated water at 5 bar through a pipe of the same diameter after expanding adiabatically. the inlet and outlet pipes are at the same vertical height. how much work (in kw) is produced by the turbine? hint: you might be tempted to neglect the change in kinetic energy between the inlet and outlet. if you choose to do so, you must justify this assumption with a calculation.

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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