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HC Another SOL Review Practice 3: Get a Periodic Table and a Calculator! Flashcards | StudBud
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HC Another SOL Review Practice 3: Get a Periodic Table and a Calculator!
HC Another SOL Review Practice 3: Get a Periodic Table and a Calculator!
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Ohh! SOL Includes Organic and Polymers
Flashcards
38 cards
F
Practice quiz
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Host live
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Questions
38
Answers
1
How much heat is needed to melt 1 mol of ice at 0
o
C if ∆H
fus
= 6.01 kJ/mol?
1 kJ
108 kJ
6.01 kJ
12.02 kJ
2
What is the shape of the carbon dioxide (CO
2
) molecule?
linear
trigonal planar
bent
trigonal pyramidal
3
MUST KNOW: 35.0 mL is the same as ___ L.
273 L
0.035 L
0.35 L
3.5 L
4
As ammonia (NH
3
) evaporates, the energy absorbed is used to break __.
hydrogen bonds
metallic bonds
ionic bonds
covalent bonds
5
The half life (t
1/2
) of Pb-210 is 22 years. In 22 years the mass of a sample of Pb-210 __.
becomes zero
becomes Pb-22
is cut in half
doubles
6
Which of the following elements is found in the s-block?
Na
F
O
N
7
To separate an ethanol (boiling point = 78
o
C) and water (b.p. = 100
o
C) mixture, you would __.
filter it
use chromatography
distill it
x-ray it
8
Which of the following is a natural, organic polymer?
nylon
polyvinyl chloride (PVC)
polyurethane
rubber
9
Which of the following substances contains only covalent bonds?
Al(OH)3
H2O
MgO
Na2O
10
In the equation PV = nRT, n represents __.
mass
volume
density
moles
11
Which of the following contains ionic bonds?
NH3
N2O4
NH4NO3
H2O
12
Which element does not have any unpaired electrons?
Be
H
Li
Na
13
If you have 1.0 L of 1.0 M NaOH, it can be neutralized with 1.0 L of __.
1.0 M HNO3
1.0 M NaCl
1.0 M KNO3
1.0 M NH4NO3
14
MUST KNOW: 1 kg is the same as ___.
22.4 g
1000 g
100 g
10 g
15
How many moles are equivalent to 36.0 grams of water, H
2
O?
18 mol
1 mol
2 mol
3 mol
16
Which of these polymers is organic and synthetic?
DNA
Rubber
Nylon
Protein
17
An alpha particle is emitted in alpha decay. What is the mass of an alpha particle?
0
-4
4
2
18
Which element has the electron configuration 1s
2
2s
2
2p
6
N
Ne
F
O
19
Total electrons valence electrons in an ammonia (NH
3
) molecule?
3(1) + 5 = 8
1 + 1 = 2
3(3) + 4 = 13
1 + 5 = 6
20
What is the mass of 22.4 L of nitrogen gas?
14 g
28 g
16 g
7 g
21
The correct formula for aluminum oxide is __.
Al2O3
Al(OH)3
AlO
AlO4
22
At constant pressure, what happens to the temperature of an ideal gas as volume increases?
T increases
T doubles
T remains constant
T decreases
23
A 3.5 M HCl solution contains __.
3.5 mol HCl in 1.0 L
3.5 g HCl in 1.0 L
24
How many moles are equal to 44.8 L of helium gas? (STP)
4 mol
3 mol
2 mol
1 mol
25
How many atoms are in 2 moles of silver, Ag?
1.202 x 1023
1.202 x 1024
6.022 x 1023
6.022 x 1024
26
Which orbital fills after the 3d?
4d
4p
3p
3s
27
If the temperature is 25
o
C, what is this in Kelvin?
0 K
25 K
298 K
300 K
28
Which of the following is an acid?
NH3
HNO3
NaCl
NaOH
29
Which of these atoms are the basis of organic chemistry?
O and H
C and Ne
C and H
N and S
30
The half life (t
1/2
) of Pb-210 is 22 years. This lead isotope is ___.
a nonmetal
not useful
radioactive
inert
31
In a water molecule, which atom is more electronegative?
H and O are equal.
H
It varies.
O
32
Which of the following is a base?
NH4+
HNO3
NH3
H2SO4
33
Which of the following pairs is an example of isotopes?
C-12 and Cl-15
C-14 and N-14
C-12 and Ca-20
He-2 and He-4
34
Lone pairs on the nitrogen of the ammonia (NH
3
) molecule?
2
1
0
3
35
What is the mass of 1 mole of oxygen gas?
63.976 g
31.988 g
15.994 g
127.952 g
36
At constant volume, what happens to the temperature of an ideal gas as the pressure increases?
T increases
T remains constant
T doubles
T decreases
37
The correct formula for aluminum hydroxide is __.
AlO
Al2O3
Al(OH)3
AlO4
38
Which of the following is a polyprotic acid?
H2SO4
CH3COOH
HNO3
HF
