And then it gets harder! when the actual yield of a chemical reaction is 20.2g, the percentage yield is 88.4%. calculate the theoretical yield. give your answer to 3 significant figures (3 marks)

How to convert a density of 0.791g/cm3 to lb/ft3

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?