216 j of energy is required to raise the temperature of aluminum from 15o to 35oc. calculate the mass of aluminum. (specific heat capacity of aluminum is 0.90 joc-1g-1).

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.

50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)

How many grams are in one mole of lead?