2 The temperature of a piece of copper with a mass of 95.4 g increases from 298.0 K to 321.1 K when the metal absorbs 849 J of energy as
heat. What is the specific heat of copper?

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

How does a hydroelectric power plant converts energy into energy.

Describe the interaction that occurs between two objects with the same electrical charge.