Calculate the total percentage of oxygen in magnesium nitrate crystals, mg(no3)2.6h2o

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.