A 155 g sample of an unknown substance was heated from 25°C to 40°C. In the process, the substance absorbed 2380.7 Joules of energy. What is the specific heat of the substance? * Please include units.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

How do you know when a chemical reaction has occurred