What is the main difference between the schrödinger model and the bohr atomic model?

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

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