PLZ HELP!

How does changing the angle of a ramp affect the force required?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood