Freon-12 () is used as a refrigerant in air conditioners and as a propellant in aerosol cans. calculate the number of molecules of freon-12 in 5.23 mg of freon-12. what is the mass of chlorine in 5.23 mg of freon-12?

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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elements make up everything, and they combine to make compounds.

the answer is c