How many nanometers are in 22 milimeters

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate