If green spheres represent chlorine atoms, yellow-green spheres represent fluorine atoms,...

If green spheres represent chlorine atoms, yellow-green spheres represent fluorine atoms, white spheres represent hydrogen atoms, and all the molecules are gases,

a. write the formula for each of the reactants and products

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b. write a balanced equation for the reaction

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c. indicate the type of reaction as combination, decomposition,single replacement, double replacement, or combustion