If a gold bar has a volume of 722 cm^3 and its initial temperature is 23.1 C and is heated to 93.4 C, what is the energy in kJ? (The density of gold is 19.3 g/cm and a specific heat of .129 J/gC)

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.