How much heat must be added to a 250g aluminum pan to raise its temperature from 20°C to 85°C? The specific heat of aluminum is 897 J/kg·K

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

What is magnetic flux? explain faraday's law of induction.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?