An insulated cup contains 75g of water at 24 degrees. a 26g sample of metal at 82.25 degrees is added. the final temperature of the water and metal is 28.34 degrees. what is the specific heat of the metal?

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.