How do human break n2 into a useable form

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?

Consider an air-filled charged capacitor. how can its capacitance be increased?