3. Chemical Reactions
Limiting Reagent
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- 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 the936views1rank
- Multiple Choice
The 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?
1293views9rank1comments - Multiple Choice
Lithium 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?
1660views11rank3comments - Textbook Question
Nitrogen 1N22 and hydrogen 1H22 react to form ammonia 1NH32. Consider the mixture of N2 and H2 shown in the accompanying diagram. The blue spheres represent N, and the white ones represent H. (d) Are any reactant molecules left over, based on the diagram?
440views - Textbook Question
Nitrogen 1N22 and hydrogen 1H22 react to form ammonia 1NH32. Consider the mixture of N2 and H2 shown in the accompanying diagram. The blue spheres represent N, and the white ones represent H. (d) If so, how many of which type are left over?
How many N2 molecules are left over?
459views - Textbook QuestionThe diagram represents a mixture of AB2 and B2 before it reacts to form AB3. (Red spheres = A, blue spheres = B.) Which reactant is limiting, and how many AB3 molecules are formed? (LO 3.7) (a) B2 is limiting, and 10 molecules of AB3 are formed. (b) B2 is limiting, and 4 molecules of AB3 are formed. (c) AB2 is limiting, and 6 molecules of AB3 are formed. (d) AB2 is limiting, and 4 molecules of AB3 are formed570views
- Textbook Question
Nitrogen monoxide and oxygen react to form nitrogen dioxide. Consider the mixture of NO and O2 shown in the accompanying diagram. The blue spheres represent N, and the red ones represent O. (a) How many molecules of NO2 can be formed, assuming the reaction goes to completion?
1381views - Multiple ChoiceIf you have 24 grams of magnesium (Mg) and 16 grams of oxygen (O₂), which is the limiting reactant in the reaction 2Mg + O₂ → 2MgO?739views