3. Chemical Reactions

In the reaction 2 C2H6O + 2 K2Cr2O7 + 8 H2SO4 → 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O, if the rate of appearance of Cr2(SO4)3 is 1.24 mol/min, what is the rate of disappearance of C2H6O?

Using the equation 4NH3 + 5O2 → 4NO + 6H2O, what mass of ammonia (NH3) is needed to react with oxygen to form 25 g of water (H2O)?

What is the first step in solving a stoichiometric problem?

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?

What is the maximum amount of water (in grams) that can be produced when 964.91 g of C3H8 reacts with 511.39 g of oxygen according to the balanced equation: C3H8 + 5 O2 -> 3 CO2 + 4 H2O?

Given 10.0 g of phosphorus (P) and 35.0 g of chlorine (Cl2), what mass of phosphorus pentachloride (PCl5) can be produced?

What mass of Aluminum (Al) is needed to react completely with 35.0 mL of 2.0 M Hydrochloric acid (HCl), given the reaction: 2 Al + 6 HCl → 2 AlCl3 + 3 H2?

What volume of 0.128 M HCl is needed to completely neutralize 2.87 g of Mg(OH)₂?

What volume of 0.200 M HCl solution is needed to exactly neutralize 25.0 mL of 0.150 M NaOH?

What volume of 0.305 M AgNO₃ is required to react exactly with 155.0 mL of 0.274 M Na₂SO₄ solution? Provide your answer in decimal notation, rounded to the appropriate number of significant figures.

What volume of ammonia, NH3, in liters at STP can be produced from 2.0 kg of hydrogen gas, H2, and an excess of nitrogen gas, N2? (N2 (g) + 3 H2 (g) → 2 NH3 (g))

What volume, in liters, of carbon monoxide gas at 78.5 °C and 848 torr is needed to produce 4.54 g of methanol, CH₃OH, according to the reaction: CO(g) + 2 H₂(g) → CH₃OH(g)?

What volume, in liters, of hydrogen gas at 32.5 °C and 722 torr is needed to produce 0.224 g of methanol, CH₃OH, according to the reaction: CO(g) + 2 H₂(g) → CH₃OH(g)?

What volume, in liters, of sulfur dioxide gas at 455 K and 2.03 atm is needed to produce 89.6 g of sulfur trioxide, SO₃, according to the reaction: 2 SO₂(g) + O₂(g) → 2 SO₃(g)?

What volume, in mL, of 1.34 M RbOH(aq) is needed to completely neutralize 146 mL of 1.56 M H2SO4(aq)?