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Honors Chemistry BONUS
Honors Chemistry BONUS
40 terms
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Honors Chemistry FINAL Prep
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
Which name in the Latin system represents the copper ion with the highest charge?
copper(II) ion
cuprous ion
cupric ion
copper(III) ion
2
The quantity of heat absorbed by melting is the same as the heat released when the liquid ___.
liquefies
freezes
condenses
vaporizes
3
What is the name for the compound formed by calcium and sulfur?
calcium sulfite
calcium sulfide
dicalcium disulfide
calcium sulfur
4
The following equation is balanced: C
3
H
8
+ 4O
2
→3CO
2
+ 4H
2
O.
False
True
5
The triple point on a phase diagram is determined by specific _________ and __________ .
Mass, pressure
None of the above
Mass, temperature
Pressure, temperature
6
What is the correct name for Cl
2
O
8
?
dichlorine octaoxide
dichlorine nonoxide
dichlorine octoxide
dichloride octoxide
7
ALL of the Noble Gases have 8 valence electrons.
True
False
8
The numbers placed in front of formulas in an equation in order to balance it is called a ____.
coefficient
all of the above
subscript
reactant
9
The reaction in which water molecules produce ions is called the self-ionization of water.
False
True
10
According to Arrhenius, ___ are compounds that yield H ions ___ are compounds yielding OH ions.
acids, bases
bases, acids
conjugate acids, conjugate bases
conjugate bases, conjugate acids
11
Any aqueous solution in which hydrogen ions and hydroxide ions are equal is a(n) ____________ .
neutral solution
acidic solution
basic solution
All of the above
12
The following molecule has _ shape.
trigonal planar
tetrahedral
13
The products of a combustion reaction are:
ALWAYS carbon dioxide and water
ONLY produced in the absence of oxygen
NEVER carbon dioxide and water
SOMETIMES carbon dioxide and water
14
Binary acids are made of
hydrogen and a non metal.
two nonmetallic elements.
hydrogen and a polyatomic ion containing oxygen
two metals.
15
Ba(s) + HCl(aq) →BaCl
2
(aq) + H
2
(g) When balanced, the coefficient in front of HCl should be:
3
1
2
6
16
The formula for hydrobromic acid is HBrO
3
False
True
17
The ionic charge of all metals in group 1A is:
0
2
-1
1
18
How do we name an ion of magnesium?
None of the above
Magnesium ion
Magneside ion
Magnesium anion
19
Acids and bases are classified as strong or weak based on the degree they ionize in water.
False
True
20
NH
3
is the ammonium ion.
False
True
21
During any chemical or physical process, energy
fluctuates consistently.
increases.
decreases.
remains unchanged.
22
The quantity of heat absorbed by a ________ liquid is = the heat released when vapor condenses.
liquefying
vaporizing
condensing
solidifying
23
The conversion of a gas to a solid is called _____ and from a solid to a gas is called _____ .
deposition, vaporization
deposition, sublimation
vaporization, condensation
evaporation, sublimation
24
A buffer solution is better able to resist drastic changes in pH than is pure water.
False
True
25
What is the formula for sulfur trioxide ?
SO3
S3O
SO
26
The ______________ and ______________ points of a solid are at the same temperature.
vaporization, melting
melting, freezing
freezing, vaporization
freezing, condensation
27
In Bronsted-Lowry Acid Base Theory, an acid is a H ion ____ and a base is a hydrogen ion ____ ?
donor, neutralizer
neutralizer, donor
acceptor, donor
donor, acceptor
28
Which suffix is used to represent the polyatomic ion with the greater number of oxygen atoms?
-ide
-ate
-ite
-ic
29
A substance with a pH of 8.39 is
basic
acidic
30
At STP, how many moles are in the volume of 89.6 L of SO
2
?
112 mol SO2
2,007.04 mol SO2
4.00 mol SO2
67.2 mol SO2
31
If 4Al + 3O
2
→ 2Al
2
O
3,
how may moles of aluminum are needed to form 2.5 mol Al
2
O
3
?
1.00 mol Al
2.50 mol Al
5.00 mol Al
10.00 mol Al
32
Chemists use________to calculate how much reactant or how much product is formed in a reaction.
Avogadro’s number
stoichiometry
balanced chemical equations
percent yield
33
What's the relationship between the 3 units of pressure? 1 atm = _____ mm Hg = _____ kpa
720, 101.3
25, 101.5
760, 1.013
760, 101.3
34
Which of these statements is INCORRECT?
None of the above
I. a strong acid and a weak base yield a neutral solution
II. a strong acid and a weak base yield an acidic solution
III. a weak acid and a strong base yield a basic solution
35
Which of these measurements is expressed to three significant figures?
7.30 × 10–7 km
0.007m
7007 mg
0.070 mm
36
A molecule with 4 bonded pair and 0 lone pair has a _ geometry.
linear
tetrahedral
trigonal planar
trigonal planar
37
The Roman numeral in iron(II) ion refers to:
the specific positive charge of the ion
the number of atoms
the number of possible ionic charges it could have
the group number
38
Which of the following ARE soluble in water?
carbonates
sulfides
phosphates
nitrates
39
A hydronium ion contains three hydrogens.
False
True
40
Which of the following indicators is usually used for titrations .
methyl orange
litmus
phenolphthalein
bromothymol blue
