(Chapters 2 through 12, 14 and 15)
Name: _________________________ Date: ____________
1. 298 K is equivalent to how many °C?
a) 100.°C b) 25 °C c) 273 °C d) 75.2 °C
2. How many P atoms are contained in one formula units of Ba3(PO4)2?
a) 3 b) 6 c) 2 d) 1
3. How many micro liters are there in 25.7 g of a solution whose density is 0.997 g/mL?
a) 0.0258 µL b) 38.8 µL c) 25800 µL d) 0.513 µL
4. The following systematic names: nitrous acid, sodium oxide, phosphorous trifluoride
and iron (II) nitrate are represented by which series of chemical formulas?
a) HN2O4, NaO, PF3 and Fe(NO3)2
b) HNO2, Na2O, PF3 and Fe(NO2)2
c) HNO2, Na2O, PF3 and Fe(NO3)2
d) H2NO2, Na2O, PF3 and Fe(NO3)2
5. Given the equation below, is the potential energy of the products higher or lower than
the potential energy of the reactants?
N2 (g) + O2 (g) + 180.50 KJ → 2 NO (g)
a) lower b) higher c) Not enough information given to answer question.
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, Final Exam Form A, Chem. 001 Fall, 2019.
(Chapters 2 through 12, 14 and 15)
6. Cooking an egg is an example of a …
a) physical change b) chemical change c) Physical property
d) chemical property
7. How many joules of heat energy are needed to raise the temperature of 15.0 g of
water from 0.00 °C to 85.0 °C? The specific heat of H2O (l) is 4.184 J/g°C.
a) 5335 J b) 2092 J c) 4184 J d) 5330 J
8. Uranium has three major isotopes, which are listed in the table below. What is the
relative average atomic mass of uranium?
Isotopes of U % Abundance Isotopic Mass
234
U 0.0057 % 234.041 amu
235
U 0.72 % 235.044 amu
238
U 99.27 % 238.051 amu
a) 237.903 amu b) 238.019 amu c) 238.051 amu
d) 235.082 amu
9. How would you classify the compound formed from the combination of lithium and
chlorine?
a) molecular b) ionic c) metallic
10. What would be the correct formula of the compound produced from the combination
of aluminum and the sulfate anion and would it be classified as molecular or ionic?
a) Al2S3, molecular b) Al3(SO4)2, ionic c) Al2(SO4)3, ionic
d) Al2(SO3)3, molecular
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