3. Chemical Reactions

In the reaction 2C2H6 + 7O2 → 4CO2 + 6H2O, what mass of C2H6 is required to produce 280.0 g of CO2?

Given that the reaction between sodium bicarbonate (NaHCO_3) and sulfuric acid (H_2SO_4) is: 2 NaHCO_3 + H_2SO_4 → Na_2SO_4 + 2 CO_2 + 2 H_2O, how many moles of NaHCO_3 are required to completely neutralize 0.8 mL of H_2SO_4 (density = 1.84 g/mL, molar mass = 98.08 g/mol) at STP?

How many grams of SiH_4 contain 8.23 \times 10^{22} atoms of hydrogen?

In the reaction 2SO2 + O2 → 2SO3 followed by SO3 + H2O → H2SO4, if 8.0 mol of SO2 and excess O2 and H2O are reacted, what is the theoretical yield of H2SO4 (in moles)?

In the reaction between NaOH and H2SO4, how many moles of NaOH are required to completely react with 1 mole of H2SO4 according to the balanced chemical equation?

If a chemical reaction starts with 20 g of reactants and proceeds to completion with no side reactions, what is the maximum mass of products that can be formed according to the law of conservation of mass?

In the reaction 4 Fe + 3 O_2 → 2 Fe_2O_3, how many atoms of iron (Fe) are required to react with 3 molecules of oxygen (O_2) to form 2 molecules of iron(III) oxide (Fe_2O_3)?

When 20 mL of 0.80 M HCl is mixed with 30 mL of 0.40 M NaOH, what mass of water (in grams) is formed from the neutralization reaction?

If 5.0 moles of C_3H_8 react completely with excess O_2 according to the equation C_3H_8 + 5 O_2 ightarrow 3 CO_2 + 4 H_2O, how many moles of CO_2 are produced?

If you have 63.5 mol of P_4O_{10}, how many moles of phosphorus atoms (P) are present?

Given the reaction PbO + NaCl + H2O → Pb(OH)Cl + NaOH, how many grams of PbO and NaCl are required to produce 10.0 g of Pb(OH)Cl, assuming excess H2O and complete reaction?

A sample of 35.0 g of magnesium (Mg) undergoes complete oxidation according to the reaction: 2 Mg + O_2 → 2 MgO. What mass of magnesium oxide (MgO) is produced?

In the reaction 2 H_2 + O_2 → 2 H_2O, how many moles of water (H_2O) are produced from 13.35 mol of oxygen (O_2)?

What volume (in L) of 1.10 M FeCl_3 solution is required to obtain 0.700 moles of Cl^- ions?

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