A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?

A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?

Which one of the following alcohol has greater boiling point___________________?

Ethanol and methanol can be distinguished by a__________________?

The hydrogenation of phenol in the presence of Ni and heat gives_________________?