Please help me very easy will biraly and 5 star and thanks

Iwill give extra points to who gets this right

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.