If 11g of a gas occupies 5.6dm'3at s. t.p., calculate it's vapour density (1.0mol of a gas occupies 22.4dm'3at s. t.p.).​

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

What is the oxidation state of each individual carbon atom in c2o42−?