Question 16 unsaved which of the following diagrams represents the correct cycling of gases? a) photosynthesis o2 respiration co2 b) respiration o2 photosynthesis co2 c) photosynthesis h2 respiration o2 d) respiration co2 photosynthesis h2

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.

Why does his teacher ask him to balance the equation by including the correct coefficient

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?