03:32How to Find Limiting Reactant (Quick & Easy) Examples, Practice Problems, Practice QuestionsConquer Chemistry1178views
04:16GCSE Chemistry - What is a Limiting Reactant? Limiting/Excess Reactants Explained #27Cognito898views
Multiple ChoiceWhen the amounts of all reactants are given for a chemical equation, the amount that is used to calculate the amount of product formed is the362views1rank
Multiple ChoiceThe following reaction shows the mineral ilmenite, FeTiO3, being reacted with chlorine gas and sand in order to extract titanium (IV) chloride. FeTiO3 (s) + 3 Cl2 (g) + 3 C (s) → 3 CO (g) + FeCl2 (s) + TiCl4 (g) Assuming a 100% yield, how many grams of titanium (IV) chloride can be extracted when reacting 18.0 g ilmenite, 30.0 g Cl2 and 40.0 g C?316views1comments
Multiple ChoiceLithium solid reacts with oxygen gas to create lithium oxide solid.4 Li (s) + O2 (g) → 2 Li2O (s)If 131 g of Li are allowed to react with 215 g O2, how many kilograms of the excess reactant would remain?487views2rank3comments
Open QuestionNitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) ⟶ 2NH3(g) there are four molecules of nitrogen and nine molecules of hydrogen present in the diagram. When the reaction is complete, how many molecules of NH3 are produced?390views
Open Question1 moles of mn reacts with 1 moles of O2. What is the theoretical yield of the product? 𝗠𝗻(𝘀) + 𝗢2(𝗴) → 𝗠𝗻𝗢2(𝘀)228views
Open QuestionHow many co2 molecules would be formed from the reaction mixture that produces the greatest amount of products?1401views
Open QuestionFor each of the given situations, indicate whether s or o2 is the limiting reactant.341views
Open QuestionHow many molecules of cl2 would be formed from the reaction mixture that produces the greatest amount of products?378views
Open QuestionNitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia.417views
Open QuestionAmmonia is produced by the reaction of nitrogen and hydrogen. n2(g)+3h2(g)→2nh3(g)2062views
Open QuestionWhat is the maximum mass of S8 that can be produced by combining 76.0 g of each reactant?309views
Open QuestionWhat is the maximum mass of s8 that can be produced by combining 83.0 g of each reactant?278views
Open QuestionA chemical reaction involving substances a and b stops when b is completely used. B is the241views
Open QuestionIf a reactant is in excess, why do we not worry about the mole ratios involving that reactant?216views
Open QuestionFor the reaction shown, calculate the theoretical yield of product (in grams) for each initial amount of reactants. 2 Al(s) + 3 Cl2(g) → 2 AlCl3(s) a. 2.0 g Al, 2.0 g Cl2 b. 7.5 g Al, 24.8 g Cl2
Open QuestionFor the reaction shown, calculate the theoretical yield of the product (in grams) for each initial amount of reactants. Ti(s) + 2 F2(g) → TiF4(s) a. 5.0 g Ti, 5.0 g F2 b. 2.4 g Ti, 1.6 g F2
Open QuestionLead ions can be precipitated from solution with KCl according to the reaction: Pb2+ (aq) + 2 KCl(aq) → PbCl2(s) + 2 K+ (aq). When 28.5 g KCl is added to a solution containing 25.7 g Pb2+, a PbCl2 precipitate forms. The precipitate is filtered, dried, and found to have a mass of 29.4 g. Determine the percent yield for the reaction. Determine the theoretical yield of PbCl2. Determine the limiting reactant.
Open QuestionMany computer chips are manufactured from silicon, which occurs in nature as SiO2. When SiO2 is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas. In an industrial preparation of silicon, 155.8 kg of SiO2 reacts with 78.3 kg of carbon to produce 66.1 kg of silicon. Determine the limiting reactant and the theoretical yield.
01:30
