3. Chemical Reactions

In the reaction 2H_2 + O_2 ightarrow 2H_2O, if 4 moles of H_2 and 2 moles of O_2 are mixed, what is the chemical formula for the limiting reactant?

Which of the following statements is always true about the limiting reactant in a chemical reaction?

In a chemical reaction, which of the following components is most likely to be the limiting reagent if a drought affects the availability of resources?

In the reaction 2 H_2 + O_2 → 2 H_2O, if you have 5.0 mol of H_2 and 2.0 mol of O_2, which reactant is the limiting reactant?

When 2.00 g of Si reacts with 1.50 g of N_2 to form Si_3N_4 according to the equation 3 Si + 2 N_2 → Si_3N_4, which is the limiting reactant?

When 4.0 g of NH_3 reacts with 8.0 g of O_2 according to the equation 4 NH_3 + 5 O_2 → 4 NO + 6 H_2O, which substance is the limiting reactant?

Which of the following elements is most likely to limit primary production in freshwater lakes?

When 8 g of CaCO3 are combined with 4 g of HCl, which substance is the limiting reagent in the reaction CaCO3 + 2 HCl → CaCl2 + CO2 + H2O?

Which of the following best defines a limiting reactant in a chemical reaction?

In a chemical reaction, which of the following is the limiting reagent?

Which of the following statements is true about limiting and excess reagents in a chemical reaction?

In a chemical reaction, which substance is completely consumed first and thus determines when the reaction stops?

Given the reaction 6 I2O5 + 20 BrF3 → 12 IF5 + 15 O2 + 10 Br2, if 44 g of I2O5 are combined with 100 g of BrF3, which is the limiting reactant?

Why do chemists often use excess reactants in real-life applications?

In a chemical reaction, what is the limiting reagent?