an ice cube of uknown mass at 0 c is added to 265 g of h2o at 25.00 c in a calorimeter. if hte final temperature of hte resulting h2o is 21.70 c. what is the mass of the ice cube

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.

In the first law of thermodynamics, triangle e=q-w, what does q stand for

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs