Name ______
CHEMISTRY FALL FINAL REVIEW PROBLEMS 2015
Part I: Measurements & Dimensional Analysis
Mass-Express the following in grams:
______1. 5 mg______2. 700 mg______3. 1400 cg
______4. 2.8 cg______5. 8 kg
Volume-Express the following in liters:
______6. 500 ml______7. 1000 ml______8. 1500 ml
______9. 22 kl______10. 3000 cm3
Time-Express the following in seconds:
______11. Convert 3.4 centuries
DENSITY PRACTICE
______1. Calculate the mass of Cu in a 50 ml block. The density of Cu is 8.9 g/ml.
______2. Calculate the volume of a ball of lead having a mass of 25 grams. The density of Pb is 11.3 g/ml.
______3. Calculate the density of Cl2 if a flask has a volume of 1750 mL and a mass of 980 g.
______4. The density of mercury is 13.6 grams per milliliter. What is the weight of 60 ml of Mercury?
5. Calculate the density of the following materials:
______a. 35 g of a substance which occupies 25 cm3.
______b. 2750 g of a substance which occupies 250 cm3.
______c. 2.8 g of a substance which occupies 2000 mL-gas.
Part II: Moles-Dimensional Analysis
GRAM-MOLE-MOLECULE CONVERSIONS
Moles to Grams-Calculate the weight in grams of each of the following:
______1. 5.0 moles of carbon______3. 4.00 moles of mercury
______2. 8.00 moles of aluminum______4. 7.00 moles of iodine, I2
Grams to Moles-Calculate the number of moles in the following:
______5. 800 grams of calcium______7. 66 grams o f manganese
______6. 280 grams of iron______8. 93 grams of phosphorus
Moles to Atoms-Calculate the number of atoms in:
______9. 3.2 moles of magnesium______11. 8.1 moles of sodium
______10. 5.40 moles of iron______12. 10.0 moles of titanium
Atoms to Moles-Calculate the number of moles in the following:
______13. 3.01 x 1023 atoms of Zn______15. 1.806 x 1024 atoms of Ba
______14. 9.03 x 1023 atoms of S______16. 1.204 x 1024 atoms of Na
Mixed Mole Conversions-Calculate the number of atoms in:
______17. 0.5 moles of phosphorus, P4______19. 84 grams of iron, Fe
______18. 24 grams of ozone, O3______20. 96 grams of sulfur, S8
Moles to Grams (Compounds)-Calculate the mass in grams of each of the following:
______21. 5.00 moles of ZnO______23. 200 moles of Al2O3
______22. 12.0 moles of HCl______24. 40.0 moles of Na2CO3
Grams to Moles (Compounds)-Calculate the number of moles in each of the following:
______25. 400 grams of NaOH______27. 814 grams of Ca(OH)2
______26. 2700 grams of H2O______28. 3.0 kilograms of CaCO3
GRAM-MOLE-MOLECULE CONVERSIONS
Calculate the weight in grams of each of the following:
______1. 5.0 moles of carbon______3. 4.00 moles of mercury
______2. 8.00 moles of aluminum______4. 7.00 moles of iodine, I2
Calculate the number of moles in the following:
______5. 800 grams of calcium______7. 66 grams o f manganese
______6. 280 grams of iron______8. 93 grams of phosphorus
Calculate the number of atoms in:
______9. 3.2 moles of magnesium______11. 8.1 moles of sodium
______10. 5.40 moles of iron______12. 10.0 moles of titanium
Calculate the number of moles in the following:
______13. 3.01 x 1023 atoms of Zn______15. 1.806 x 1024 atoms of Ba
______14. 9.03 x 1023 atoms of S______16. 1.204 x 1024 atoms of Na
Calculate the number of atoms in:
______17. 0.5 moles of phosphorus, P4______19. 84 grams of iron, Fe
______18. 24 grams of ozone, O3______20. 96 grams of sulfur, S8
Calculate the mass in grams of each of the following:
______21. 5.00 moles of ZnO______23. 200 moles of Al2O3
______22. 12.0 moles of HCl______24. 40.0 moles of Na2CO3
Calculate the number of moles in each of the following:
______25. 400 grams of NaOH______27. 814 grams of Ca(OH)2
______26. 2700 grams of H2O______28. 3.0 kilograms of CaCO3
Part III: ELECTRON CONFIGURATION/ORBIT NOTATION
What elements correspond to each of the following electronic configurations?
______A. 1s22s2p3______E. 1s22s2p63s2p64s1
______B. 1s22s2______F. 1s22s2p63s2p6d104s2p6d25s2
______C. 1s22s2p63s3p3______G. 1s22s2p63s2p6d104s1
______D. 1s22s2p63s2p6d54s2______H. 1s22s2p63s2p6d104s2p4
Write the electron configurations for each of the following:
______a. potassium
______e. iron
______b. arsenic
______f. sulfur
______c. beryllium
______g. silicon
______d. nitrogen
______h.copper
Part IV: Chemical Bonds
Write the name of each of the following compounds:
______1. NaCl______5.CaBr2
______2. KOH______6. Fe2O3
______3.HI______7. FeCO3
______4. FeCl3______8. H2SO3
Write the correct formula for each of the following compounds:
______1. Hydrogen sulfate______7. Mercury (I) sulfate
______2. Sodium hydroxide______8. Iron (III) oxide
______3. Silver chloride______9.Magnesium phosphate
______4. Barium hydroxide______10. Nickel II bicarbonate
______5. Calcium oxide______11. Zinc hydroxide
______6. Hydrogen chloride______12. Hydrogen iodide
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Name ______
CHEMISTRY FALL FINAL REVIEW PROBLEMS 2015
Calculate the formula (or molecular) mass of the following compounds:
______a. H2SO4
______b. CuSO4
______c. NaOH
______d. NH4NO3
______e. Fe(C2H3O2)3
______f. CuSO4
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Name ______
CHEMISTRY FALL FINAL REVIEW PROBLEMS 2015
MOLECULAR MASS AND MOLE CALCULATIONS
Find the molecular weight for each of the compounds shown below:
______1. H3PO4______4. KAl(SO4)2
______2. AlCl3______5. NaIO4
______3. NaOH______6. Pr(OH)3
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Name ______
CHEMISTRY FALL FINAL REVIEW PROBLEMS 2015
Chemistry Fall Final Exam Review Problems Key
Problems – Metric
1. .0052. 0.73. 134. 0.285. 8000
6. 0.57. 10008. 1.59. 22,00010. 3
Density Practice
1. 445 g 2. 2.21 mL3. 0.56 g/mL 4. 816 g
5 a. 1.4 g/cm3b. 11 g/cm3c. 0.0014 g/mL
Electron configuration/orbital notation
A. N B. BeC. P D. Mn
E. KF. ZrG. CuH. Se
a. Ar-4s1 b. Ar 3d104s2p3 c. He 2s2 d. He 2s2p3
e. Ar 3d64s2 f. Ne 3s2p4g. Ne 3s2p2h. Ar 3d104s1
Nomenclature
1. sodium chloride2. potassium hydroxide3. Hydrogen iodide4. iron III chloride
5. calcium bromide6. iron III oxide7. iron II carbonate8. Hydrogen sulfite
1. H2SO42. NaOH3. NaBr4. Ba(OH)25. CaO6. AgCl
7. Hg2SO48. Fe2O39. Mg3(PO4)210. Ni(HCO3)211. Zn(OH)212. HI
Calculating formula mass
a. 98b.c. 40d. 80e. 197f. 160
Molecular weight and mole calculations
1. 982. 1323. 2144.5. 214
6. 1927. 56%8. 40%9. 36%10. 4%
Gram Mole Molecule conversions
1. 60 g2. 216 g3. 804 g4. 1778 g
5. 0.2 mol6. 5 mol7. 1.2 mol8. 3 mol
9. 1.92 x 102410. 3.25 z 102411. 4.88 x 102412. 6.02 x 102
13. 0.514. 1.515. 316.217. 1.20 x 102418. 2.71 x 1024
19. 9.03 x 102320. 1.4 x 102521. 40522. 43223. 20,40024. 4,240
25. 1026. 15027. 1128. 30
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