Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is th formula equation for this reaction?
O
F2(0)+ Na(s) - NaF2(s)
F2(g) + Ca(s) — CaF2(1)
F2(g) + Na(s) A NaF2(1)
F2(g) + Ca(s) A CaF2(s)
O

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.