Cual de las sustancias indicadas en el cuadro se encuentran en estado liquido a 25°c

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.

0.09 moles of sodium sulfate in 12 ml of solution

What natural processes produce large quantities of co2