0.15 mL of a solution made from 0.381 g of unknown in 500.00 mL of pentane on a pan of water. After all the pentane evaporated a 24.36 cm2 monolayer of unknown remained on the surface of the water. If the density of the unknown was 0.719 g/mL what was the thickness of the monolayer in micrometers?

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.