Rank the following substances in order from most soluble in water to least soluble in water: methane, CH4; butanol, C4H9OH; magnesium chloride, MgCl2; and propane, C3H8.

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.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Which of the following words describe the reality that the universe looks the same from various perspective