A solution of ammonia is at equilibrium. How would the equilibrium change if OH- were added to the solution

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?