Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is the formula equation for this reaction?
F2(0)+ Na(s) - NaF 2(s)
O
F2(g) + Ca(s) —> CaF2(0)
F2(g) + Na(s)
> NaF 200
F2(g) + Ca(s)
CaF2(s)
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What is the equilibrium constant of aa+bb=cc+dd

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