3. Chemical Reactions

Consider the following balanced reaction. What mass (in g) of CO2 can be formed from 288 mg of O2? Assume that there is excess C3H7SH present.C3H7SH(l) + 6 O2(g) → 3 CO2(g) + SO2(g) + 4 H2O(g)

Consider the following reaction: 2 Mg + O2 → 2 MgO. What mass (g) of MgO can be created from 4.3 g of O2 and excess Mg?

Consider the following reaction:2 PbS (s) + 3 O2 (g) → 2 PbO (s) + 2 SO2 (g)ΔHrxn = -827.4 kJWhat mass of PbS has reacted if 853 kJ of heat is produced?

Consider the industrial conversion of ammonia to nitrogen monoxide: 2 N2H4(g) + 1 N2O4(g) → 3 N2(g) + 4 H2O(g). If H2O is produced at the rate of 0.66 mol/s, what is the rate of production of N2?

Consider the reaction 2HBr(g) → H2(g) + Br2(g). In the first 20.0 s of this reaction, the concentration of HBr dropped from 0.580 M to 0.534 M. Calculate the average rate of the reaction during this time interval in M/s.

Consider the unbalanced equation: Na + Cl₂ → NaCl. What mass of NaCl can be produced from 25.0g of Cl₂ and excess Na? Solve using dimensional analysis.

How many grams of Mg(OH)2 are required to completely neutralize 20 mL of 0.1 M HCl?

Determine the number of grams of H2 formed when 250.0 mL of 0.743 M HCl solution reacts with 3.41 x 10^23 atoms of Fe according to the following reaction: 2 HCl(aq) + Fe(s) → H2(g) + FeCl2(aq).

Determine the theoretical yield of H2S (in moles) if 48 mol Al2S3 and 48 mol H2O are reacted according to the following balanced reaction: Al2S3(s) + 6 H2O(l) → 2 Al(OH)3(s) + 3 H2S(g).

Which of the following is the balanced chemical equation for the formation of calcium nitrate, Ca(NO3)2(s), from its respective elements in their standard states?

In stoichiometry, is every chemical reaction classified as either endothermic or exothermic based on the heat of reaction?

What is the mass of Fe₂O₃ required to produce 930 kg of iron (Fe) in the reaction: Fe₂O₃ + 3CO → 2Fe + 3CO₂?

For the reaction 3A + 2B + C → 2D, if 5.7 mol of A, 3.2 mol of B, and 2.5 mol of C are mixed, which reactant is the limiting reactant?

For the reaction 4Al(s) + 3O₂(g) → 2Al₂O₃(s), if you start with 8 moles of Al and 6 moles of O₂, what is the limiting reactant?

Given the balanced equation N2(g) + 3 H2(g) → 2 NH3(g), what is the rate of reaction with respect to [NH3] if the rate of disappearance of H2 is 0.6 mol/L·s?