stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chapter 1 Review Flashcards | StudBud
Explore
/
Chapter 1 Review
Chapter 1 Review
47 terms
·
StudBud Administration
·
223 plays
Imported from external platform
Flashcards
47 cards
F
Practice quiz
P
Host live
L
Questions
47
Answers
1
Which of the following would be a calibration verification from lab?
measuring the mass of the nickel on the balance 3x
qualitatively determining the color of a flame test
measuring the known boiling point of water with a new thermometer
determining the temperature of the room temp water from lab
2
Write the following number in scientific notation: 0.00134
1.34 x 10 ^ 3
13.4 x 10 ^ -4
1.34 x 10 ^ -3
1.34 x 10 ^ 4
3
In chemical notation, classifying something as simply "Cu" is implying that the substance is a(n)...
pure compound
a chemical element on the periodic table
a mixture
an atom
4
Convert 12.1 cm to meters. (100 cm = 1 m)
0.121 m
0.012 cm
0.012 m
1.12 cm
5
Which of the following measures volume with the least uncertainty?
beaker
disposable pipet
volumetric pipet
graduated cylinder
6
Which of the following is the best test for accuracy in an experiment?
standard deviation
median
average
percent error
7
In converting masses in the metric system, what is the base unit?
kilogram
centigram
milligram
gram
8
What is the true importance of MODERN SI units?
they aide in communication
they are standardized from human anatomy and artifacts
they are metric and base 10
they are standardized from the laws of nature
9
The BLUE darts in the image show (assuming the bullseye was the target....
accuracy but not precision
neither precision nor accuracy
accuracy and precision
precision but not accuracy
10
What is the purpose of measuring an object in triplicate?
to make sure the balance is calibrated and reading accurately
to make sure percent error is low
to ensure the data is reproducible
to take more data
11
The meniscus curvature in measuring liquids is a top 5 lab technique. Where is it measured from?
the middle
none of the above
the top
the very bottom
12
Which of the following does NOT abide by the law of definite composition, and thus could have variable composition?
Pure Carbon dioxide
Pure Gold (24k)
NaCl
Tap water
13
Which of the following would NOT be able to be separated using a physical separation (i.e. filtration, dist., etc.)?
dirty water with sand and bacteria
oil and water
tap water
distilled water
14
Which of the following is NOT an SI unit in the globally accepted system?
second
an inch
meter
the mole
15
Name this glassware
flask
beaker
volumetric dish
graduated cylinder
16
What metric is utilized to measure precision in lab work?
median
accuracy
standard deviation
percent error
17
A compound is determined to be
20.0%
by mass of oxygen. You analyze
25.0 g
of the compound, how much should be oxygen?
2.50 g
5.00 g
0.50 g
1.00 g
18
The purpose of the last glassware/equipment is to...
measure mass
stir and heat liquids
measure volume
make specifically concentrated solutions
19
Which of the following would be considered a pure compound?
carbonated water
carbon dioxide
salt water
steel
20
Chemistry is defined as the study of __________, its properties, and the changes it undergoes.
life
matter
energy
forces
21
Which of the following is NOT comprised of atoms?
anthracite coal
1 oxygen atom
a paperclip
light from laser pointer
22
Which of the following is considered a PURE element?
Rust (FeO)
carbon monoxide (CO)
salt (NaCl)
oxygen gas (O2)
23
The purpose of significant figures is....
to avoid overstating or understating precision
to ensure consistency in mathematical operations
all of the above
to help determine which values were actually measured and estimated
24
Which of the following is considered a pure compound?
diamond
air
oxygen gas
distilled water
25
How many significant figures are shown in 0.10001
5
2
1
6
26
Physics, biology and chemistry are closely related how?
they are all taught at TASD
they are not related really in any way
they are all life sciences, and require little mathematical knowledge
they all incorporate atomic theory in some way
27
The best way to remove sand from seawater would be....
filtration
chromatography
using a centrifuge
distillation
28
The type of separation technique shown here is...
chromatography
filtration
evaporation
distillation
29
What is the SI unit for temperature?
the Mole
Kelvin
Farenheit
Celsius
30
Name this glass/equipment
beaker
round bottom flask
erlenmeyer flask
volumetric flask
31
Which of the following is NOT a physical property?
shape
reacts with acids
density
color
32
All of the following are energy except
air
sound
light
heat
33
Which of the following could be physically separated by techniques like distillation, filtration, and/or chromatography?
H2O (distilled water)
NaCl (table salt)
Pure 24k gold
Salt Water
34
Multiply and round to the proper number of SF. 1.00 x 15.667=?
15
15.67
15.6
15.7
35
The PRIMARY and most important purpose of SI units is to
to establish standardized units of measurement from natures laws
make communication of results easier
to make measurement more subjective
to utilize the metric system
36
Count the SF in the following: 0.100001
2
4
1
6
37
Name this location.
Leiby's
Luigi's
Heisler's
TAHS
38
What is the SI unit for mass?
kilogram
pound
ton
gram
39
The usage of the equipment from the previous question would be to....
transfer liquids
measure liquid
measure volume
measuring mass
40
Which of the following is most closely defined as a homogeneous mixture?
Air
Chlorine
oxygen gas
distilled water
41
Which of the following is considered a homogeneous mixture?
orange juice with pulp
air
iced tea with lemon
wood
42
Name this country.
Chile
Brazil
Panama
Argentina
43
This model is likely that of a...
a solid
an atom
gas
a protein
44
The best way to remove and recover alcohol from water would be...
evaporation
distillation
chromatography
filtration
45
Which of the following would be classified as pure substance?
air
salt water
sand
salt (NaCl)
46
What best describes what is shown here?
A chemical change
A change in shape
A physical change
change of state
47
Count the number of SF in 1000.0
6
4
1
5
