Navigation » List of Schools » Prince George Community College » Chemistry » Chem 1010 – General Chemistry 1 » Summer 2021 » Problem Set I
Below are the questions for the exam with the choices of answers:
Question #1
A 1 mercury, 2 carbon, 3 hydrogen, 2 oxygen
B 2 mercury, 4 carbon, 6 hydrogen, 4 oxygen
C 2 mercury, 2 carbon, 3 hydrogen, 2 oxygen
D 4 mercury, 4 carbon, 6 hydrogen, 4 oxygen
E 2 mercury, 2 carbon, 3 hydrogen, 4 oxygen
Question #2
A The density of a 2 mL sample would be the same as the 1 mL sample.
B The density of a 4.45 g sample of nickel would be half that of the 8.90 g sample.
C The density of a 17.80 g sample of nickel would be twice that of the 8.90 g sample.
D The density of a 2 mL sample would be twice that of the 1 mL sample.
E The density of a 2 mL sample would be half that of the 1 mL sample.
Question #3
A -484°C.
B -269°C.
C -219°C.
D -82°C.
E -871°C.
Question #4
A 0.500 moles CO and 0.250 moles of CO2
B 0.500 moles C2H6 and 0.250 moles of CO2
C 0.200 moles C2H6 and 0.333 moles C3H5O2
D 0.500 moles C2H6 and 0.250 moles C3H5O2
E 0.500 moles CO and 0.250 moles of C2H6
Question #5
A 78
B 80
C 78.37
D 78.4
E 78.373
Question #6
A conventional
B physical
C chemical
Question #7
A 5.42 × 1023 molecules
B 1.67 × 1021 molecules
C 2.17 × 1026 molecules
D 6.50 × 1026 molecules
E 5.02 × 1021 molecules
Question #8
A P3O2
B P2O3
C P2O5
D P2O
E PO5
Question #9
A C11H16O
B C9H8O4
C C10H12O3
D C2H2O
E C6H12O6
Question #10
A its melting point increases
B its molecular motion increases
C its boiling point increases
D it freezes
E its molecular motion increases, it freezes, its melting point increases and its boiling point increases
Question #12
A temperature.
B reactivity.
C melting point.
D boiling point.
E density.
Question #13
A The Law of Constant Composition.
B The Law of Multiple Proportion.
C The Law of Conservation of Energy.
D The Law of Conservation of Mass.
E Dalton’s Atomic Theory.
Question #14
A 1.78 moles
B 1.12 moles
C 0.882 moles
D 0.891 moles
E 1090 moles
Question #15
A 71Ga (70.92 amu)
B 70Ga (70.51 amu)
C 71Ga (70.25 amu)
D 70Ga (70.92 amu)
E 70Ga (70.25 amu)
Question #16
A 5.06 × 1026
B 2.86 × 1023
C 2.20 × 1023
D 1.26 × 1023
E 1.16 × 1027
Question #17
A 56Fe.
B 82Te.
C 52Zn.
D 56Zn.
E 52Te.
Question #18
A 24 protons and 24 electrons
B 12 protons and 14 electrons
C 12 protons and 12 electrons
D None of these choices
E 24 protons and 22 electrons
Question #19
A silver (density = 10.5 g/cm3)
B mercury (density = 13.6 g/cm3)
C Titanium (density = 0.0187 g/cm3)
D iron (density = 7.86 g/cm3)
E gold (density = 19.2 g/cm3)
Question #22
A quantitative statement.
B qualitative statement.
C hypothesis.
D model.
E law.
Question #23
A 1 × 106
B 1 × 10-6
C 1 × 10-9
D 1 × 10-8
Question #24
A 1.45 × 10-3 g
B 214 g
C 66.6 g
D 1.50 × 10-2 g
E 688 g
Question #25
A 8.54 mL
B 76.0 mL
C 0.105 mL
D 9.54 mL
E 756 mL
Question #28
A MgBr2 magnesium bromide
B NaF sodium fluoride
C TiCl4 titanium tetrachloride
D CaO calcium oxide
E CuO copper(II) oxide
Question #29
A three, four, five
B three, four, four
C three, three, three
D three, four, three
E three, three, four
Question #30
A C2H3O
B C6H8O3
C C10H14O5
D C8H12O4
E C4H6O2
