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Chemistry: A Molecular Approach, 1st Edition Nivaldo J. Tro Chapter 4 Chemical Quantities and Aqueous Reactions The overall equation involved in photosynthesis is: 6 CO2 + 6 H2O 2 C6H12O6 + 6 O2 How many grams of glucose (C6H12O6) form when 4.40 g of CO2 react? a) b) c) d) 18.0 g 3.00 g 108 g 0.0167 g Tro Chemistry: A Molecular Approach The overall equation involved in photosynthesis is: 6 CO2 + 6 H2O 2 C6H12O6 + 6 O2 How many grams of glucose (C6H12O6) form when 4.40 g of CO2 react? a) b) c) d) 18.0 g 3.00 g 108 g 0.0167 g Tro Chemistry: A Molecular Approach The rapid decomposition of sodium azide, NaN3, to its elements is one of the reactions used to inflate airbags: 2 NaN3 (s) 2 Na (s) + 3 N2 (g) How many grams of N2 are produced from 6.00 g of NaN3 a) b) c) d) 3.88 g 1.72 g 0.138 g 2.59 g N2 Tro Chemistry: A Molecular Approach Na The rapid decomposition of sodium azide, NaN3, to its elements is one of the reactions used to inflate airbags: 2 NaN3 (s) 2 Na (s) + 3 N2 (g) How many grams of N2 are produced from 6.00 g of NaN3 a) b) c) d) 3.88 g 1.72 g 0.138 g 2.59 g N2 Tro Chemistry: A Molecular Approach Na Ammonia is produced using the Haber process: 3 H2 + N2 2 NH3 What mass of ammonia could be produced from 15.0 kg each of H2 and N2? Assume the reaction goes to completion. a) b) c) d) e) 18.2 g 9.11 g 1.82 x 104 g 9.11x 103 g 8.45 x 104 g Tro Chemistry: A Molecular Approach Ammonia is produced using the Haber process: 3 H2 + N2 2 NH3 What mass of ammonia could be produced from 15.0 kg each of H2 and N2? Assume the reaction goes to completion. a) b) c) d) e) 18.2 g 9.11 g 1.82 x 104 g 9.11x 103 g 8.45 x 104 g Tro Chemistry: A Molecular Approach What mass, in grams, of sodium bicarbonate, NaHCO3, is required to neutralize 1000.0 L of 0.350 M H2SO4? a) b) c) d) e) f) 2.94 x 104 1.47 x 104 5.88 x 104 3.50 x 103 1.75 x 103 7.00 x 103 Tro Chemistry: A Molecular Approach What mass, in grams, of sodium bicarbonate, NaHCO3, is required to neutralize 1000.0 L of 0.350 M H2SO4? a) b) c) d) e) f) 2.94 x 104 1.47 x 104 5.88 x 104 3.50 x 103 1.75 x 103 7.00 x 103 Tro Chemistry: A Molecular Approach Aqueous solutions of which of the following would conduct electricity? a) AgNO3 b) C11H22O11 (sucrose: table sugar) c) CH3CH2OH (ethanol) d) O2 e) All of the above f) None of the above Tro Chemistry: A Molecular Approach Aqueous solutions of which of the following would conduct electricity? a) AgNO3 b) C11H22O11 (sucrose: table sugar) c) CH3CH2OH (ethanol) d) O2 e) All of the above f) None of the above Tro Chemistry: A Molecular Approach Sulfuric acid is found in some types of batteries. What volume of 3.50 M H2SO4 is required to prepare 250.0 mL of 1.25 M H2SO4? a) b) c) d) e) 17.5 mL 700. mL 89.3 mL 109 mL None of the above Tro Chemistry: A Molecular Approach Sulfuric acid is found in some types of batteries. What volume of 3.50 M H2SO4 is required to prepare 250.0 mL of 1.25 M H2SO4? a) b) c) d) e) 17.5 mL 700. mL 89.3 mL 109 mL None of the above Tro Chemistry: A Molecular Approach Determine the oxidation number of the red element in each of the following compounds: H2PO4– a) b) c) d) e) +6 +5 +5 +5 +6 +6 +2 +4 +4 +4 +4 +4 +4 +8 +4 Tro Chemistry: A Molecular Approach SO32– N2O4 Determine the oxidation number of the red element in each of the following compounds: H2PO4– a) b) c) d) e) +6 +5 +5 +5 +6 +6 +2 +4 +4 +4 +4 +4 +4 +8 +4 Tro Chemistry: A Molecular Approach SO32– N2O4