Ight I just here’s my first one

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

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.