PLz help chemestry lots of points These two elements make a “nice”couple. (anoying pun that i HAVE TO HAVE to finish a quiz.

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.

Compare and contrast physical changes with chemical changes.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5