True or False: When you measure something with a ruler, you should NOT estimate an extra digit. You only need to report the numbers you see on the ruler.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

How many moles of bromine are needed to produce 3.23 moles of potassium bromide