How many moles in 0.672L of F2?

According to the tide table below what time of day will the highest tide occur?

C3h8o3 - glycerol major species present when dissolved in water

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space