1. Chemistry: A Molecular Approach, 1 st Edition Nivaldo J. Tro Chemical Quantities and Aqueous Reactions Chapter 4

2. Tro Chemistry: A Molecular Approach a)18.0 g b)3.00 g c)108 g d)0.0167 g The overall equation involved in photosynthesis is: 6 CO 2 + 6 H 2 O  2 C 6 H 12 O 6 + 6 O 2 How many grams of glucose (C 6 H 12 O 6 ) form when 4.40 g of CO 2 react?

3. Tro Chemistry: A Molecular Approach a)18.0 g b)3.00 g c)108 g d)0.0167 g The overall equation involved in photosynthesis is: 6 CO 2 + 6 H 2 O  2 C 6 H 12 O 6 + 6 O 2 How many grams of glucose (C 6 H 12 O 6 ) form when 4.40 g of CO 2 react?

4. Tro Chemistry: A Molecular Approach a)3.88 g b)1.72 g c)0.138 g d)2.59 g The rapid decomposition of sodium azide, NaN 3, to its elements is one of the reactions used to inflate airbags: 2 NaN 3 (s)  2 Na (s) + 3 N 2 (g) How many grams of N 2 are produced from 6.00 g of NaN 3 Na N2N2

5. Tro Chemistry: A Molecular Approach a)3.88 g b)1.72 g c)0.138 g d)2.59 g The rapid decomposition of sodium azide, NaN 3, to its elements is one of the reactions used to inflate airbags: 2 NaN 3 (s)  2 Na (s) + 3 N 2 (g) How many grams of N 2 are produced from 6.00 g of NaN 3 Na N2N2

6. Tro Chemistry: A Molecular Approach a)18.2 g b)9.11 g c)1.82 x 10 4 g d)9.11x 10 3 g e)8.45 x 10 4 g Ammonia is produced using the Haber process: 3 H 2 + N 2  2 NH 3 What mass of ammonia could be produced from 15.0 kg each of H 2 and N 2 ? Assume the reaction goes to completion.

7. Tro Chemistry: A Molecular Approach a)18.2 g b)9.11 g c)1.82 x 10 4 g d)9.11x 10 3 g e)8.45 x 10 4 g Ammonia is produced using the Haber process: 3 H 2 + N 2  2 NH 3 What mass of ammonia could be produced from 15.0 kg each of H 2 and N 2 ? Assume the reaction goes to completion.

8. Tro Chemistry: A Molecular Approach What mass, in grams, of sodium bicarbonate, NaHCO 3, is required to neutralize 1000.0 L of 0.350 M H 2 SO 4 ? a)2.94 x 10 4 b)1.47 x 10 4 c)5.88 x 10 4 d)3.50 x 10 3 e)1.75 x 10 3 f)7.00 x 10 3

9. Tro Chemistry: A Molecular Approach What mass, in grams, of sodium bicarbonate, NaHCO 3, is required to neutralize 1000.0 L of 0.350 M H 2 SO 4 ? a)2.94 x 10 4 b)1.47 x 10 4 c)5.88 x 10 4 d)3.50 x 10 3 e)1.75 x 10 3 f)7.00 x 10 3

10. Tro Chemistry: A Molecular Approach Aqueous solutions of which of the following would conduct electricity? a)AgNO 3 b)C 11 H 22 O 11 (sucrose: table sugar) c)CH 3 CH 2 OH (ethanol) d)O 2 e)All of the above f)None of the above

11. Tro Chemistry: A Molecular Approach Aqueous solutions of which of the following would conduct electricity? a)AgNO 3 b)C 11 H 22 O 11 (sucrose: table sugar) c)CH 3 CH 2 OH (ethanol) d)O 2 e)All of the above f)None of the above

12. Tro Chemistry: A Molecular Approach Sulfuric acid is found in some types of batteries. What volume of 3.50 M H 2 SO 4 is required to prepare 250.0 mL of 1.25 M H 2 SO 4 ? a)17.5 mL b)700. mL c)89.3 mL d)109 mL e)None of the above

13. Tro Chemistry: A Molecular Approach Sulfuric acid is found in some types of batteries. What volume of 3.50 M H 2 SO 4 is required to prepare 250.0 mL of 1.25 M H 2 SO 4 ? a)17.5 mL b)700. mL c)89.3 mL d)109 mL e)None of the above

14. Tro Chemistry: A Molecular Approach H 2 PO 4 – SO 3 2– N 2 O 4 a)+ 6 + 6 + 4 b)+ 5 + 2 + 4 c)+ 5 + 4 + 4 d)+ 5 + 4 + 8 e)+ 6 + 4 + 4 Determine the oxidation number of the red element in each of the following compounds:

15. Tro Chemistry: A Molecular Approach H 2 PO 4 – SO 3 2– N 2 O 4 a)+ 6 + 6 + 4 b)+ 5 + 2 + 4 c)+ 5 + 4 + 4 d)+ 5 + 4 + 8 e)+ 6 + 4 + 4 Determine the oxidation number of the red element in each of the following compounds: