In the 1H NMR spectrum of 4-bromoacetanilide, what is the peak integration ratio between the amide methyl protons and the aromatic protons?

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

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