Which of the following shows the event in the order that they occur? W = ear drum vibrates X = air around cymbals vibrates Y = cymbals vibrate Z = cymbals are hit. A. W - X - Y - Z
B. Z - Y - X - W
C. Z - X - Y - W
D. Y - Z - X - W

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

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