Consider the reaction for the combustion of methanol (CH3OH): 2CH3OH+3O2⟶2CO2+4H2O
What is the mass of oxygen (O2) that is required to produce 579g of carbon dioxide (CO2)?

How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c