Percent Yield - Page 2
Questions
- What is the theoretical yield of #Li_3N# in grams when 12.5 g of Li ls heated with 34.1 g of #N_2#?
- When limestone, which is principally #"CaCO"_3#, is heated, carbon dioxide and quicklime are produced by the reaction?
- My theoretical yield of beryllium chloride was 10.7 grams in #Be + 2HCl -> BeCl_2 + H_2#. If my actual yield was 4.5 grams, what was my percent yield?
- Help with these three questions about mass and concentrations?
- Assuming an efficiency of 29.40%, how would you calculate the actual yield of magnesium nitrate formed from 123.5 g of magnesium and excess copper(II) nitrate in the equation #Mg + Cu(NO_3)_2 -> Mg(NO_3)_2 + Cu#?
- 30000 tonnes of a copper ore containing 6.5% chalcopyrite was mined. Calculate the theoretical yield of copper that could be extracted from this ore (in tonnes)?
- #"13.1 g CaO"# react with #"38.9 g CO"_2"#. What is the percent yield if #"16.7 g CaCO"_3"# are produced?
- How is the percent yield calculated?
- If #"2300.0 g"# of #"Na"(s)# reacts in a sufficient amount of water, what is the theoretical yield of #"H"_2(g)# in grams?
- A reaction of #53.1 "g"# of #"Na"# and #35.7 "g"# of #"Br"_2# yields #40 "g"# of #"NaBr"#. What is the percentage yield?
- Suppose 1.043 g of magnesium is heated in air. What is the theoretical amount of magnesium oxide that should be produced?
- #"1.95 g"# of #"H"_2# is allowed to react with #"9.94 g"# of #"N"_2#, producing #"1.56 g"# of #"NH"_3#. What is the theoretical yield in grams for this reaction under the given conditions?
- What do we mean by #"quadrivalency"# in reference to carbon chemistry?
- If the theoretical yield of a reaction is 26.0 grams and you actually recovered 22.0 grams, what is the percent yield?
- How much aluminum oxide and how much carbon are needed to prepare 454 g of aluminum by the balance equation? See picture!
- If a reaction has an actual yield of 5 grams and a theoretical yield of 10 grams, what is the percent yield?
- What is the theoretical yield of acetylene when 2.38 g of calcium carbide reacts with excess water? What is the percentage yield if I obtained 0.77 g acetylene?
- How is percent yield calculated?
- A) How to calculate the theoretical yield of water resulting from the complete combustion of 1.60 g of methane b) When the reaction was run in the lab 3.30 g of water were formed. What is the percent yield of water for this run? CH4 + 2 O2 ->CO2 + 2 H2O?
- For the reaction #"PCl"_3(g) + "Cl"_2(g) -> "PCl"_5(g)#, the percent yield was #88.2%# for a certain experiment. If #"77.4 g"# of #"PCl"_3# was consumed in the presence of xs #"Cl"_2(g)#, what would be the actual yield of #"PCl"_5(g)# for this experiment?