What is your name? _____________________
Take Home Test 1: Reference Table, Conversions, Physical Props: Density, and Specific Heat
Get help from your peers, the internet, or me  Be sure you understand how to work the problems if you
have to get help b/c you will see them again on the test! The day before the Test is due I will give you a
bubble sheet to transfer your answers.
1. What is the heat of fusion for water?
a. 100oC
b. 0oC
c. 32oF
d. 334 J/g
e. 273K
2. What is the specific heat for water in the gaseous state?
a. 2.05
b. 4.18
c. 2.02
d. 2,260
e. 100
3. Which metal will be liquid at room temperature (27oC)?
a. Lead
b. Mercury
c. Gold
d. Aluminum
e. Zinc
4. Which metal requires the least amount of energy for its temperature to change?
a. Lead
b. Mercury
c. Gold
d. Aluminum
e. Zinc
5. Which of the following compounds will be soluble in water?
a. Mercury (I) chloride
b. Ammonium hydroxide
c. Silver sulfate
6. Which of the following compounds is insoluble in water?
a. Silver nitrate
b. Lead (II) acetate
c. Aluminum carbonate
d. Iron (III) fluoride
7. Which of the following reactions is single replacement?
a. Zn + HCl  ZnCl2 + H2
b. Pb(NO3)2 + AlCl3  Pb3Cl2 + Al(NO3)3
c. Mg + O2  MgO
d. C6H12O6 + O2  CO2 + H2O
8. Which of the following metals can replace hydrogen from an acid?
a. Ag
b. Cu
c. Zn
9. What is the name of PO43a. Phosphite
b. Sulfate
c. Phosphate
d. Sb
e. Bi
d. Ammonium
e. Nitrate
10. Which of the following waves has the longest wavelength?
a. Gamma
b. Violet
c. UV
d. Radio
e. IR
11. Which of the following is not a physical property?
a. flammability
b. specific heat
c. boiling point
c. density
e. freezing point
*12. If ethanol (grain alcohol) has a density of 0.785 g/mL, calculate the volume of 82.5 grams of ethanol.
a. 64.76
b. 0.0095
c. 105.1
d. 81.72
e. 78.5
*13. A cube of metal weighs 1.45 kg and displaces 542 mL of water when immersed. Identify the metal.
a. Aluminum
b. Gold
c. Zinc
d. Mercury
e. Lead
*14. Will a block of material having a volume of 1.2 X 104 in3 and weighing 3.5 lb float or sink when placed in
a reservoir of water? (1 in = 2.54 cm, 1 lb = 454 grams)
a. Float
b. Sink
c. heck, idk
d. fly away
e. what??!?
*15. Determine the amount of energy (heat) in joules required to raise the temperature of 7.40 grams of
water from 29.0oC to 46.ooC.
a. 30.96 J
b. 1424.2 J
c. 2322.12 J
d. 526.35 J
e. 257.89 J
*16. What quantity of energy is required to heat a piece of iron weighing 1.3 grams from 25oC to 46oC?
a. 114.22 J
b. 12.29 J
c. 0.59 J
d. 26.91 J
e. 41.54 J
*17. A 1.6 gram sample of a metal that has the appearance of gold requires 5.8 J of energy to change its
temperature from 23oC to 41oC. Is the metal pure gold?
a. Yes, if it looks like gold, smells like gold, it must be gold!
b. No, its probably fool’s gold
c. Yes, the specific heat for gold matches the specific heat I found for the metal in the problem
d. No, the specific heat for gold is different from the specific heat I found for the metal in the
problem
*18. 150.4 grams of metallic BB’s are heated to 100.ooC. The hot BB’s are then poured into a cup containing
96.3 grams of water at 23.7oC. The water and the BB’s end up at 34.6oC. What is the specific heat of the
metallic BBs?
A)0.292J/goC
B) 0.843J/goC
C) 0.446J/goC
D) 0.019J/goC
19. Using your reference table, the BB’s in question 8 are mostly likely composed of which metal?
A) Titanium
B) Iron
C) Lead
D) Copper
In former times, gas volume was used as a way to measure temperature using devices called gas
thermometers. Consider a gas that has a volume of 0.675 L at 35oC and 1 atm pressure. What is the
temperature (in units of 0C) of a room where this gas has a volume of 0.535 L at 760 torr pressure?
20. Which equation should be used to solve this problem?
a. D = m/v
b. K = oC + 273
c. oC = K – 273
*21. Solve the problem.
a. -29oC
b. 2.1 X 104 oC
c. 244oC
d. PV = PV
T
T
e. B, C, and D
d. 273oC
e. -273oC