1) Calculate the empirical formula of a compound with 36g of carbon and 96g of oxygen.

How to convert a density of 0.791g/cm3 to lb/ft3

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius