3. Chemical Reactions

Given the reaction CH4 + 2O2 → CO2 + 2H2O, how many grams of CO2 are produced from 125 g of O2 and excess CH4?

Given the reaction AgNO_3 + NaCl → AgCl + NaNO_3, how many moles of AgCl are produced from 15.0 mol of AgNO_3, assuming excess NaCl?

In the reaction 3 N2H4(l) -> 4 NH3(g) + N2(g), how many moles of N2H4 are required to produce 2.39 moles of NH3?

What is the enthalpy change associated with the reaction of 25.0 g of SO2 in excess oxygen, given the reaction: 2 SO2(g) + O2(g) → 2 SO3(g) with ΔH° = -198.2 kJ?

Given the reaction N2 + 3 H2 → 2 NH3, how many moles of NH3 can be produced from 21.0 mol of H2 and excess N2?

In the reaction N_2 + 3H_2 → 2NH_3, how many moles of nitrogen gas (N_2) are required to completely react with 6.34 mol of hydrogen gas (H_2)?

How many milliliters of 0.0200 M Ca(OH)_2 are required to completely neutralize 75.0 mL of 0.0300 M HCl?

Given the reaction NBr3 + 3 NaOH → 3 NaBr + N(OH)3, if there are 40 mol of NBr3 and 48 mol of NaOH, what is the limiting reactant?

A solution contains 0.400 L of 0.350 M KBr. What is the mass of KBr (in grams) present in the solution?

In the reaction N2H4 + 2 H2O2 → N2 + 4 H2O, what are the mole ratios of hydrazine (N2H4) to hydrogen peroxide (H2O2) and hydrazine to water (H2O)?

In the reaction N_2 + 3H_2 → 2NH_3, how many hydrogen molecules (H_2) are required to completely react with 10 nitrogen molecules (N_2)?

What volume (in mL) of 0.2600 M HBr is required to completely neutralize 40.00 mL of 0.8000 M NaOH?

How many SO_3^{2-} ions are present in 99.6 mg of Na_2SO_3? (Molar mass of Na_2SO_3 = 126.05 g/mol)

For the reaction 2Mg + O_2 → 2MgO, if 8.0 g of MgO is produced, how many moles of Mg were consumed?

According to the reaction Fe + CuSO4 → Cu + FeSO4, how many moles of CuSO4 are required to completely react with 2 moles of Fe?