A compound has an empirical formula of CH4O and a molecular weight of 160, what is its molecular formula

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

Draw the structure for 5-isopropyl-2-methyl-3-nonene

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit