How many moles of silver metal are produced when 4.5 moles of silver nitrate react with copper (II) metal?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

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

How do you convert 4 mmol of bromobenzene to ml?