stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Cumulative Review 2024-2025 Flashcards | StudBud
Explore
/
Cumulative Review 2024-2025
Cumulative Review 2024-2025
58 terms
·
StudBud Administration
·
15 plays
Imported from external platform
Flashcards
58 cards
F
Practice quiz
P
Host live
L
Questions
58
Answers
1
What is the empirical formula of a compound formed from 75g C and 25g H? (convert to moles, divide by smallest)
C2H4
C4H
CH4
CH2
2
What element is represented by the following orbital notation? (make sure the period, block, and group match)
Aluminum) period 1, s-block, 1st column
Sodium) period 3, s-block, 3rd column
Aluminum) period 1, s-block, 3rd column
Sodium) period 3, s-block, 1st column
3
Which of the following is true of pH and pOH scales?
Bases have a pOH above 7.
Bases have a pH above 7.
Acids have a pH above 7.
Acids have a pOH less than 7.
4
2L of a gas is 50
o
C under 560kPa pressure. If changed to STP, what is the new volume? (PV/T=PV/T, use STP, match units)
9.34 L
22.4 L
12.8 L
3.47 L
5
What labeled portion of this potential energy diagram represents the overall energy change during a reaction.
A
D
B
C
6
How can you identify a metal?
Calculate specific heat and compare to reference table
all of the above
Calculate melting point and compare to reference table
Calculate density and compare to reference table
7
3Fe + 4H₂O → Fe₃O₄ + 4H₂ What volume of H
2
is produced from 50g of water? (look at molar map, follow roads)
24.9 L
38.0 L
49.5 L
62.2 L
8
Tests can be done to check for certain gases. What can flame tests predict?
Squeaky pop can indicate hydrogen.
Putting out of a flame can indicate carbon dioxide.
All of the above.
Relighting of an ember can indicate oxygen.
9
A substance with a pOH of 8 would have what [H+] concentration? (use the reference tables for the formulas)
1 x 10-6
1 x 10-4
1 x 10-14
1 x 10-8
10
Predict the products of the following reaction. Mg + K
3
N → (match to guidelines on reference tables)
K + Mg3N
K + MgN2
K + Mg3N2
K2 + Mg3N2
11
The reaction CH
4
+ 2O
2
→ 2H
2
O + CO₂ is a (match to guidelines on reference tables)
Combustion reaction
Double replacement reaction
Synthesis reaction
Decomposition reaction
12
Predict which of the following molecules is trigonal pyramidal.
CCl4
CO2
NH3
SO3
13
Identify the type of nuclear decay in the following reaction:
169
80
Hg → ____ +
169
81
Tl
42He
0-1e
14
Which of these correctly describe nuclear decay particles?
Neutrons have a mass of 1 and no charge.
Alpha has a mass of 4 and is positive.
Beta has a mass of 0 and is negative.
All of these are true.
15
What element is in group 2 period 3?
Magnesium
Calcium
Scandium
Beryllium
16
Which is NOT true of diatoms? (FONClBrIH)
Nitrogen forms a triple bond as a diatom
All diatoms are covalently bonded
Oxygen forms a double bond as a diatom
Flourine forms a triple bond as a diatom
17
What is the net ionic equation for this reaction? AgNO
3
+ KCl → AgCl + KNO
3
(find solubility, cross out spectators)
Ag+ + NO3- + K+ + Cl- → Ag+ + Cl- + KNO3(s)
NO3- + K+ → KNO3(s)
Ag+ + Cl- → AgCl(s)
Ag+ + NO3- + K+ + Cl- → AgCl(s) + K+ + NO3-
18
Identify the type of nuclear decay in the following reaction:
169
80
Hg → ____ +
165
78
Pt
0-1e
42He
19
Which of these is a molecular formula? (molecular formulas are some whole number multiple of an empirical formula)
C4H
CH4
CH2
C2H4
20
Give the Subatomic Particle Count.
26
55
Fe
0
or Fe-55
26p, 26n, 24e
26p, 26n, 29e
26p, 29n, 26e
26p, 26n, 28e
21
What is the process that uses neutralization to determine the concentration of an unknown molarity acid or base?
titration
salinization
22
The reaction 2KClO₃(s) → 2KCl(s) + 3O₂(g) is a (match to guidelines on reference tables)
Decomposition reaction
Combustion reaction
Double replacement reaction
Synthesis reaction
23
What is the correct name for Fe
2
O
3
?
Iron (II) oxide
Iron (III) oxide
Iron (I) oxide
Iron oxide
24
What did Thompson discover from his Cathode Tube experiment, where he applied a voltage across a vacuum-sealed tube?
There are small negative particles called electrons. (the ray deflected)
There are small positive particles called electrons. (the ray deflected)
25
What could slow down a reaction rate?
increasing the temperature
decreasing the concentration
increasing surface area
stirring
26
Without drawing the Lewis Structures, predict which molecule has a linear geometry.
NH3
CCl4
SO3
CO2
27
What is the molarity of 25g of NaCl dissolved in 0.28L of water? (M=mol/L, convert to mole first)
8.93M
0.43M
1.53M
5.68M
28
In an exothermic reaction, heat is
Absorbed from the surroundings, decreasing their temperature.
Absorbed from the surroundings, increasing their temperature.
Released into the surroundings, increasing their temperature.
Released into the surroundings, decreasing their temperature.
29
How much energy would it take to heat up 60g of water by 20
o
C? (Q=mcΔT, use reference table for specific heat of water)
5016J
3058J
1200J
2452J
30
110g of what substance will saturate 100g of water at 60
o
C? (use reference tables, plot point on graph, match substance)
KCl
NaNO3
HCl
KNO3
31
What is the correct formula for Calcium carbonate?
Ca2CO3
Ca3CO
CaCO
CaCO3
32
How many moles are in 2.39 x 10
25
atoms of Calcium? (look at molar map, follow roads)
1.44 x 1050 mol
79.4 mol
39.7 mol
2.88 x 1023 mol
33
What are groups and periods on a periodic table?
Periods are rows, and groups are columns
Groups are rows, and periods are column
34
What is the percent carbon in CO
2
? (percent is part/whole, look at periodic table for masses)
5%
27%
44%
73%
35
In a redox reaction, when an atom loses electrons, it is said to be ____. When it gains electrons, it is ____.
oxidixed, reduced
reduced, oxidized
36
Tests can be done to check for certain gases. What can lime water tests predict?
All of the above.
Oxygen will turn the water cloudy.
Carbon dioxide will turn the water cloudy.
Hydrogen will turn the water cloudy.
37
Why do atoms tend to form ions?
To have stable electron configurations. O2- loses 2e to be like Ne
To have stable electron configurations. O2- gains 2e to be like Ne
To have stable electron configurations. O2- loses 2e to be like Ar
To have stable electron configurations. O2- gains 2e to be like Ar
38
Which is true about bond types?
Some compounds have covalent and ionic bonds. For example, Al(NO3)3
all are true
Nonmetals and nonmetals make covalent bonds. For example, N and O
Metals and nonmetals make ionic bonds. For example, Al and N
39
3Fe + 4H₂O → Fe₃O₄ + 4H₂ How many moles of H
2
is produced from 3.25 moles of Fe? (look at molar map, follow roads)
2.43 mol
3.95 mol
1.47 mol
4.33 mol
40
What is the correct name for HCO
3
?
Carbonic Acid
Hydrocarbonoud acid
Hydrocarbonic acid
Carbonous acid
41
Is the following reaction balanced? Al(NO
3
)
3
+ 3KCl → AlCl
3
+ 3KNO
3
unbalanced
balanced
42
What coefficient would balance the following reaction? C
3
H
8
+ _ O
2
→ 4H
2
O + 3CO
2
2
4
5
3
43
How many moles of a gas are in a 200L container at 50
o
C and 80mmHg. (PV=nRT, see reference table for R, change
o
C to
o
K)
0.003 mol
0.009
0.230 mol
0.794 mol
44
What does a catalyst change in a potential energy diagram?
Er, energy of products
Ea, activation energy
Ep, energy of products
ΔE, change in overall energy
45
Which electron transmission in the hydrogen atom would result in violet light? (use Bohr model on reference tables)
n = 6 to n = 2
n = 3 to n = 2
n = 2 to n = 6
n = 2 to n= 3
46
What did Rutherford determine from his gold foil experiment in which he sent alpha particles at gold foil?
Most of the atom is empty space. (most particles pass through the foil)
Most of the atom is empty space. (most particles bounce off the foil)
47
Mass number is the sum of _____. (mass number is on the top left of a notation)
n + e
p + n
p + e
48
The half-life of X-56 is 15.6 days. How much of a 100g sample will remain after 46.8 days?
50g
25g
6.25g
12.5g
49
Which type of covalent bond is stonger?
They are all weak
Double bond
Single bond
Triple Bond
50
What is the difference between isotopes and ions?
Ions and Isotopes both have a nuclear charge and varying masses.
Isotopes have a nuclear charge, and Ions have varying masses.
There is no difference
Ions have a nuclear charge, and Isotopes have varying masses.
51
Which of the following is true of acids and bases?
All of the above are true
Some things like water, HOH, can act as both acids and bases.
Acids typically start with H and produce [H] hydronuim
Bases typically end with OH and produce [OH] hydroxide
52
Determine the identity of a 405g metal with a volume of 150cm
3.
(Calculate density and match to your reference tables)
Gold
Lead
Aluminum
Iron
53
What is the volume of 4 moles of a gas at standard temperature and pressure, STP? (PV=nRT, see reference table for STP)
14.9 L
6.89 L
89.65 L
50.2 L
54
Which of these metals will undergo a single replacement reaction with CaCl
2
? (use activity series on reference tables)
K
Al
Na
Mg
55
What rule is being broken in the following orbital notation?
No rules are being broken.
Hund's rule, every orbital needs 1 electron first.
Both rules are being broken.
Paulis rule, electrons must spin oppositely when paired together.
56
Give the Subatomic Particle Count.
26
52
Fe
2+
26p, 26n, 24e
26p, 26n, 28e
26p, 26n, 29e
26p, 52n, 26e
57
According to solubility rules, which of the following is insoluble?
(use reference tables)
Na2CO3
NaF
AgCl2
KNO3
58
15mL of a 0.3M KOH neutralizes 20mL of what molarity H
2
S? (MV=MV)
0.4 M
0.014 M
1.0 M
0.225 M
