Acompound with an empirical formula of c2h8n and a molar mass of 46 grams per mole. what is the molecular formula of this compound?

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

How much energy is made when a pice of wood burns. how do you know

How many moles of al3+ ions are in 1.25 moles of al2o3