3. Chemical Reactions
Limiting Reagent
- Multiple ChoiceWhich of the following statements about a limiting reagent is correct?
- Open Question
If a reactant is in excess, why do we not worry about the mole ratios involving that reactant?
- Open QuestionHow many molecules of cl2 would be formed from the reaction mixture that produces the greatest amount of products?1views
- Open QuestionHow many grams of c2h2 are present after the reaction is complete?
- Multiple ChoiceSuppose 0.0350 g Mg is reacted with 10.00 mL of 6 M HCl to produce aqueous magnesium chloride and hydrogen gas. Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g). What is the limiting reactant in this reaction?1views
- Multiple ChoiceWhat is the limiting reagent in the reaction between 0.366 g of cobalt(II) nitrate and 0.078 g of sodium phosphate?1views
- Open Question
Nitrogen 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?
1views - Open QuestionAfter the reaction, how much octane is left?1views
- Open QuestionNitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammonia.1views
- Open Question
A chemical reaction involving substances a and b stops when b is completely used. B is the
- 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?
1views - Open QuestionIf the amount of h2 is doubled, how many moles of h2o would have formed?
- Open QuestionHow many co2 molecules would be formed from the reaction mixture that produces the greatest amount of products?1views
- Multiple ChoiceSuppose 0.0350 g of Mg is reacted with 10.00 mL of 6 M HCl to produce aqueous magnesium chloride and hydrogen gas according to the reaction: Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g). What is the limiting reactant in this reaction?1views
- Open QuestionAmmonia is produced by the reaction of nitrogen and hydrogen. n2(g)+3h2(g)→2nh3(g)