Calcium carbonate decomposes at 1200°c to form carbon dioxide and calcium oxide. If 2.5 liters of carbon dioxide are collected at 1275°c, what will the volume of this gas be after it cools to 25°c

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.