14. The first law of thermodynamics states that energy in a system is conserved lost wasted​

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

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)

Identify the type of heat transfer occurring when chocolate melts in your hand