Transcript Matter is classified into three states. Which answer contains all of the

Matter is classified into three states. Which answer contains all of the following statements
that are true and no false statements?
I. The gaseous state of a substance is less dense than the liquid state.
II. Substances in the solid state are rigid and have definite shapes.
III. Substances in the liquid or gaseous state are easily compressed.
IV. Substances in the gaseous state fill any container completely.
V. Substances in the liquid state assume the volume of the container.
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2.
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4.
5.
I, II, and IV
I, II, and V
I, II, and III
II, IV, and V
I and II
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Which answer includes all the following that are chemical changes and no physical changes?
I. freezing of water II. rusting of iron
III. dropping a piece of iron into hydrochloric acid (H2 is produced)
IV. burning a piece of wood
V. emission of light by a kerosene oil lamp
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2.
3.
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III and IV
II and V
I, II, III, IV, and V
II, III, and V
II, III, IV, and V
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Choose the response that includes all things listed below that are pure substances and no others.
I. Steel
II. sugar water
III. Oxygen
IV. Steam
V. sodium nitrite
VI. gunpowder
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4.
5.
II, III, and VI
I and III
III and V
III, IV, and V
II and VI
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Trying to identify a sample of a pure substance, a student makes the following observations: I. It has a
mass of 5400 g.
II. It is 10. cm long, 10. cm wide, and its height is 20. cm.
III. It is a shiny solid at room temperature.
IV. It dissolves in hydrochloric acid.
V. It melts at 660°C. VI. It is a good conductor of electricity. Which response includes all of these
observations that, individually or in combination, would be helpful in identifying the substance of which
the sample is composed?
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2.
3.
4.
5.
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I, III, IV, and V
II, IV, V, and VI
III and IV
III, IV, and VI
I, II, III, IV, V, and VI
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What is the symbol for the
element copper?
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2.
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4.
5.
C
Co
Cm
Cu
Cr
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Which name - symbol
combination is wrong?
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2.
3.
4.
5.
silver - Au
krypton - Kr
zinc - Zn
platinum - Pt
tungsten - W
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Which one of the following lists units of
volume in increasing order, i.e., from smallest
to largest?
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microliter < kiloliter < centiliter < liter
< mililiter
milliliter < centiliter < microliter <
kiloliter < liter
centiliter < mililiter < liter < kiloliter
< microliter
microliter < mililiter < centiliter < liter
< kiloliter
milliliter < centiliter < liter < kiloliter
< microliter
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5.
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Which one of the following is
closest to one centimeter?
1. the diameter of an apple
2. the width of a standard
door
3. the diameter of a dime
4. the length of a football
field
5. the diameter of a typical
apple pie
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Perform the indicated mathematical operations and
round off the answer to the proper number of
significant figures: (12.67 x 4.23) ÷ 23.42 =
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2.3
2.29
2.288
2.88
2.2884
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How many milliliters are there in
1.0 microliter?
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4.
5.
1.0 x 10-1 mL
1.0 x 10-2 mL
1.0 x 10-3 mL
1.0 x 10-4 mL
1.0 x 10-5 mL
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What is the area (in mm2) of a rectangle that
is 6.04 cm wide and 8.16 inches long?
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19.4 mm2
1.25 x 104 mm2
1.94 x 103 mm2
1.25 x 103 mm2
125 mm2
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5.24 x 10-22in3
1.95 x 10-24in3
3.25 x 10-8in3
68.6 in3
8.16 x 10-12 in3
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Stainless 316 is a steel alloy containing 17% Cr, 12% Ni,
3.0% Mo, and 0.10% C with the rest being Fe. What mass of
iron (in kg) would be contained in 1.00 metric tonne of this
alloy? 1 metric tonne = 103 kg.
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3.
4.
5.
68 kg
760 kg
580 kg
680 kg
780 kg
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What is the mass of 35.0 mL of a liquid
with a specific gravity of 2.64?
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35.0 g
13.3 g
26.2 g
92.4 g
0.0754 g
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The normal boiling point of zinc is
788°F. What is this in °C ?
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251°C
1450°C
724°C
962°C
420°C
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What is the final temperature of the chromium and water combination
when 50.0 g of chromium at 15°C (specific heat = 0.448 J/g•°C) is added
to 25 mL of water (specific heat = 4.18 J/g•°C) at 45°C?
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20°C
25°C
30°C
35°C
40°C
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