3. Chemical Reactions
Limiting Reagent
3. Chemical Reactions
Limiting Reagent - Video Tutorials & Practice Problems
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The Limiting Reagent represents the compound that is totally consumed in the reaction.
Limiting Reagent & Theoretical Yield
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Limiting Reagent
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Limiting Reagent
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Limiting Reagent
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Problem
ProblemThe 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?
A
211 g
B
26.8 g
C
22.5 g
D
92.9 g
5
Problem
ProblemLithium 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?
A
4.00 kg
B
0.0640 kg
C
9.44 kg
D
0.0912 kg
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PRACTICE PROBLEMS AND ACTIVITIES (72)
- Nitrogen 1N22 and hydrogen 1H22 react to form ammonia 1NH32. Consider the mixture of N2 and H2 shown in the ac...
- Nitrogen 1N22 and hydrogen 1H22 react to form ammonia 1NH32. Consider the mixture of N2 and H2 shown in the ac...
- The diagram represents a mixture of AB2 and B2 before it reacts to form AB3. (Red spheres = A, blue spheres = ...
- Nitrogen monoxide and oxygen react to form nitrogen dioxide. Consider the mixture of NO and O2 shown in the ac...
- If 2.00 moles of nitrogen and 5.50 moles of hydrogen are placed in a reaction vessel and react to form ammonia...
- A hydrogen-filled balloon is ignited and 1.50 g of hydrogen is reacted with 12.0 g of oxygen. How many grams o...
- The following diagram represents the reaction of A2 (red spheres) with B2 (blue spheres): (a) Write a balance...
- Find the limiting reactant for each initial amount of reactants. 2 Na(s) + Br2( g)¡2 NaBr(s) c. 2.5 mol Na, 1 ...
- Consider the reaction: 4 HCl(g) + O2( g)¡2 H2O(g) + 2 Cl2( g) Each molecular diagram represents an initial mix...
- Consider the reaction: 2 CH3OH(g) + 3 O2( g)¡2 CO2( g) + 4 H2O(g) Each of the molecular diagrams represents an...
- Calculate the theoretical yield of the product (in moles) for each initial amount of reactants. Ti(s) + 2 Cl...
- Calculate the theoretical yield of product (in moles) for each initial amount of reactants. 3 Mn(s) + 2 O2( g)...
- Zinc sulfide reacts with oxygen according to the reaction: 2 ZnS(s) + 3 O2( g)¡2 ZnO(s) + 2 SO2( g) A reaction...
- Iron(II) sulfide reacts with hydrochloric acid according to the reaction: FeS(s) + 2 HCl(aq)¡FeCl2(s) + H2S(g)...
- For the reaction shown, calculate the theoretical yield of product (in grams) for each initial amount of reac...
- For the reaction shown, calculate the theoretical yield of the product (in grams) for each initial amount of ...
- Iron(III) oxide reacts with carbon monoxide according to the equation: Fe2O3(s) + 3 CO(g)¡2 Fe(s) + 3 CO2( g) ...
- Elemental phosphorus reacts with chlorine gas according to the equation: P4(s) + 6 Cl2( g)¡4 PCl3(l ) A reacti...
- (c) Why should you base your choice of which compound is the limiting reactant on its number of initial moles,...
- (b) Why are the amounts of products formed in a reaction determined only by the amount of the limiting reactan...
- Assume that you have 1.39 mol of H2 and 3.44 mol of N2. How many grams of ammonia (NH3) can you make, and how ...
- Hydrogen and chlorine react to yield hydrogen chloride: H2 + Cl2 ¡ 2 HCl. How many grams of HCl are formed fro...
- Consider the mixture of ethanol, C2H5OH, and O2 shown in the accompanying diagram. (b) Which reactant is the l...
- Consider the mixture of ethanol, C2H5OH, and O2 shown in the accompanying diagram. (c) How many molecules of ...
- How many grams of the dry-cleaning solvent 1,2-dichloroethane (also called ethylene chloride), C2H4Cl2, can be...
- Consider the mixture of propane, C3H8, and O2 shown here. (c) How many molecules of CO2, H2O, C3H8, and O2 w...
- How many grams of each product result from the following reactions, and how many grams of which reactant is le...
- How many grams of each product result from the following reactions, and how many grams of which reactant is le...
- Sodium hydroxide reacts with carbon dioxide as follows: 2 NaOH1s2 + CO21g2¡Na2CO31s2 + H2O1l2 How many moles o...
- Sodium hydroxide reacts with carbon dioxide as follows: 2 NaOH1s2 + CO21g2¡Na2CO31s2 + H2O1l2 How many moles o...
- Limestone (CaCO3) reacts with hydrochloric acid according to the equation CaCO3 + 2 HCl ---> CaCl2 + H2O + ...
- Aluminum hydroxide reacts with sulfuric acid as follows: 2 Al1OH231s2 + 3 H2SO41aq2¡Al21SO4231aq2 + 6 H2O1l2 ...
- Aluminum hydroxide reacts with sulfuric acid as follows: 2 Al1OH231s2 + 3 H2SO41aq2¡Al21SO4231aq2 + 6 H2O1l2 ...
- Aluminum hydroxide reacts with sulfuric acid as follows: 2 Al1OH231s2 + 3 H2SO41aq2¡Al21SO4231aq2 + 6 H2O1l2 W...
- The fizz produced when an Alka-Seltzer tablet is dissolved in water is due to the reaction between sodium bica...
- One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of NH3 to N...
- One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of NH3 to N...
- Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium...
- Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium...
- Solutions of sulfuric acid and lead(II) acetate react to form solid lead(II) sulfate and a solution of acetic ...
- Solutions of sulfuric acid and lead(II) acetate react to form solid lead(II) sulfate and a solution of acetic ...
- When benzene 1C6H62 reacts with bromine 1Br22, bromobenzene 1C6H5Br2 is obtained: C6H6 + Br2¡C6H5Br + HBr (a) ...
- The reaction of tungsten hexachloride (WCl6) with bismuth gives hexatungsten dodecachloride (W6Cl12). WCl6 + B...
- Sodium borohydride, NaBH4, a substance used in the synthesis of many pharmaceutical agents, can be prepared by...
- Sodium borohydride, NaBH4, a substance used in the synthesis of many pharmaceutical agents, can be prepared by...
- If 2.0 mol CH3CH2CH2COOH, 2.0 mol C4H10, and 2.0 mol C6H6 are completely combusted in oxygen, which one produc...
- When a mixture of 10.0 g of acetylene 1C2H22 and 10.0 g of oxygen 1O22 is ignited, the resulting combustion re...
- When a mixture of 10.0 g of acetylene 1C2H22 and 10.0 g of oxygen 1O22 is ignited, the resulting combustion re...
- When magnesium metal is burned in air (Figure 3.6), two products are produced. One is magnesium oxide, MgO. T...
- The reaction between ethyl iodide and hydroxide ion in ethanol 1C2H5OH2 solution, C2H5I1alc2 + OH- 1alc2 ¡ C2H...
- Treatment of gold metal with BrF3 and KF produces Br2 and KAuF4, a salt of gold. Find the mass of the gold sal...
- Ammonia and hydrogen chloride react to form solid ammonium chloride: NH31g2 + HCl1g2¡NH4Cl1s2 Two 2.00-L flask...
- Gaseous iodine pentafluoride, IF5, can be prepared by the reaction of solid iodine and gaseous fluorine: I21...
- Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia. N2(g) ...
- 1 moles of mn reacts with 1 moles of O2. What is the theoretical yield of the product? 𝗠𝗻(𝘀) + 𝗢2(𝗴) → 𝗠...
- A 14.01 g sample of N2 reacts with 3.02 g of H2 to form ammonia (NH3). If ammonia is the only product, what ma...
- How many co2 molecules would be formed from the reaction mixture that produces the greatest amount of products...
- After the reaction, how much octane is left?
- How many moles of water are produced in this reaction?
- For each of the given situations, indicate whether s or o2 is the limiting reactant.
- If the amount of h2 is doubled, how many moles of h2o would have formed?
- Calcium carbide reacts with water to produce acetylene
- How many molecules of cl2 would be formed from the reaction mixture that produces the greatest amount of produ...
- Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia.
- Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia
- How many grams of c2h2 are present after the reaction is complete?
- Ammonia is produced by the reaction of nitrogen and hydrogen. n2(g)+3h2(g)→2nh3(g)
- What is the maximum mass of S8 that can be produced by combining 76.0 g of each reactant?
- What mass of PCl5 will be produced from the given masses of both reactants?
- What is the maximum mass of s8 that can be produced by combining 83.0 g of each reactant?
- A chemical reaction involving substances a and b stops when b is completely used. B is the
- If a reactant is in excess, why do we not worry about the mole ratios involving that reactant?