Measure of the average kinetic energy of molecules in an in an object

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.

In saturated organic compounds, all the bonds between carbon atoms are called?

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude