100.000g of water at 80.0oc was mixed with an equal amount of cool water in a calorimeter. the final temperature of the water in the calorimeter is 50.0oc. what is the heat (q) in kilojoules for the hot water? (specific heat for water is 4.18j/goc).

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes

How does a nuclear reactor produce electricity? a. high-energy gamma rays are converted by a generator into electricity. b. the heat from the reaction turns water to steam, which runs a generator. c. the reaction produces a stream of electrons that flow through wires and into batteries. d. the heat released from the reaction is used to burn coal or gas to produce electricity. e. control rods absorb the neutrons emitted and release a stream of electrons as electricity.