Why is the temperature of products likely to be lower than the temperature of reactants in an endothermic reaction?​

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.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?