BRAINLIEST FOR CORRECT ANSWER!! What is the difference between a mixture and matter that can be identified as pure substances?

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.

The rules of engagement (roe) working group is often used to (select all that apply.)

What is true for a substance that releases energy