1. GENERAL CHEMISTRY-I (1411)
S.I. # 4
1. Which of the following is the same as 0.001 cm? _____________
a. 0.01 mm b. 100 mm c. 0.01 cm d. 0.01 dm e. 1 mm
2. Which is incorrectly labeled? _____________
a. 2.3x10-12m = 2.3 pm
b. 5.8x10-9 s = 5.8 ns
c. 4.8x10-6 mL = 4.8 microliters
d. 4.8x103g = 4.8 kg
3. The common English set of units for expressing velocity is miles/hour. The SI
unit for velocity is __________
4. If the mass of an object is 9.83 g, what volume must it have in order for it to sink
in liquid mercury? (density of mercury is 13.6 g/cm3)
5. Find the formula weight of the following:
a. C8H18 = _____________
b. C4H9OCl = _____________
c. BaSO4 = _____________
d. UF6 = _____________
e. C10H16N5O13P3 = _____________
6. Find the number of moles present in:
a.15 g of NaN3 = _____________
b. 75 g of BaOH = _____________
c. 15 kg C6H12O6 = _____________
7. Find the number of grams present in:
a.13mol CCl4 = _______________
b. 35.3 mol CuPO4 = _____________
c. 29 mol of CeMnO4 = _______________
8. How many molecules are in 78 g of AgNO3?
9. How many fluorine atoms are there in 87,130 mg of UF6?
2. 10. Write the empirical formula if it exists:
a. C12H20 __________________
b. H8S8 __________________
c. Na2N3O6 __________________
d. C18H21N6O3 __________________
e. S5F5O30 __________________
f. C7H14O9 __________________
g. Li2P4O8 __________________
11. Balance the following equations:
a. __ KOH + ____ SO2 _____ K2S + _____ O2 + _____ H2
b. __ ZnCl2 + ____ H3PO4 _____ HCl + _____ Zn3(PO4)2
c. __ C8H16 + ____ O2 _____ CO2 + _____ H2O
d. __ Fe2O3 + ____ HCl _____ FeCl3 + _____ H2O
e. __ HF + ____ Cu2O3 _____ H2O + _____ CuF3
NOMENCLATURE: Give the name or formula for the following
1. H2SO4- __________________________
2. CaCl2 __________________________
3. Cu(ClO4)2 __________________________
4. Cr2O3 __________________________
5. CH4 __________________________
6. C2H6 __________________________
7. C3H8 __________________________
8. C4H10 __________________________
9. C5H12 __________________________
10. C6H14 __________________________
11. C7H16 __________________________
12. C8H18 __________________________
13. C9H20 __________________________
