38 Cards in this Set
| Front | Back |
|---|---|
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Going from left to right the atomic radius...
A. increases
B. decreases
C. stays the same
D. has no effect
|
B
|
|
What is the attraction between charged particles caused by?
A. gravitational force
B. electromagnetic force
C. strong nuclear force
D. weak nuclear force
|
B
|
|
Why do bonds form between atoms?
A. When the potential minimum is at a minimum.
B. Because the nuclei are attracted to the other electrons.
C. They share electrons.
D. They want to fill the octet.
|
B
|
|
Bonds break when...
A. energy is released
B. energy is absorbed
C. both
D. neither
|
B
|
|
When "q" increases, force...
A. increases
B. decreases
C. stays the same
|
A
|
|
When "r" increases, force...
A. increases
B. decreases
C. stays the same
|
B
|
|
As atoms move closer, the strongest force is...
A. electromagnetic attraction
B. electromagnetic repulsion
C. gravity
D. attraction and repulsions are equal
|
A
|
|
At the potential energy minimum...
A. electromagnetic attraction
B. electromagnetic repulsion
C. gravity
D. attraction and repulsions are equal
|
D
|
|
As the atoms overlap (in potential energy graph)...
A. electromagnetic attraction
B. electromagnetic repulsion
C. gravity
D. attraction and repulsions are equal
|
B
|
|
The depth of the well tells you...
A. the distance when two atoms are most stable
B. the energy required to separate the two atoms
|
B
|
|
The position of the well tells you...
A. the distance when two atoms are most stable
B. the energy required to separate the two atoms
|
A
|
|
When water boils, _____ are overcome.
A. intermolecular forces
B. intramolecular forces (bonds)
C. both
D. neither
|
A
|
|
What IMF's are present in liquid H2O?
A. hydrogen bonds
B. dipole-dipole
C. LDF
D. all three
|
D
|
|
If you have 100 g of H2O, 5 g of NaCl, what is the combined mass?
A. more than 105 g
B. exactly 105 g
C. between 100 and 105 g
D. 100 g
|
B
|
|
If you have 100 mL of H2O, 5 mL of ethanol, what is the combined volume?
A. more than 105 mL
B. exactly 105 mL
C. between 100 and 105 mL
D. 100 mL
|
C
|
|
Do diamonds dissolve in water?
A. yes
B. no
|
B
|
|
Does sugar dissolve in water?
A. yes
B. no
|
A
|
|
Does oil dissolve in water?
A. yes
B. no
|
B
|
|
Does NaCl dissolve in water?
A. yes
B. no
|
A
|
|
Does ethanol dissolve in water?
A. yes
B. no
|
A
|
|
Interactions in a solute being overcome is...
A. exothermic
B. endothermic
C. neither
|
B
|
|
Interactions between particles in the solvent is...
A. exothermic
B. endothermic
C. neither
|
B
|
|
New interactions being formed are...
A. exothermic
B. endothermic
C. neitherA
|
A
|
|
Which is the most soluble?
A. propane, 44 g/mol
B. ethanol, 46 g/mol
C. dimethyl ether, 46 g/mol
|
B
|
|
Which is the least soluble?
A. propane, 44 g/mol
B. ethanol, 46 g/mol
C. dimethyl ether, 46 g/mol
|
A
|
|
How many grams of NaCl (58.4 g/mol) are needed to make 1.0 L of a 0.1 M solution?
A. 58.4 g
B. 5.84 g
C. 584 g
D. 23 g
|
B
|
|
How many g of methanol (CH3OH) are needed for 250 mL of a 0.25 M solution?
A. 32 g
B. 16 g
C. 8 g
D. 2 g
|
D
|
|
Cholesterol is measures in mg/dL. If HDL is 150 mg/dL, find the HDL in ppm.
A. 150 ppm
B. 0.15 ppm
C. 1500 ppm
D. 15000 ppm
|
C
|
|
What volume of 12.0 M HCl would you need to make 1.00 L of a 1.0 M HCl solution?
A. 83.3 L
B. 83.3 mL
C. 12.0 mL
D. 0.12 mL
|
B
|
|
What is G when the temperature increases?
A. +
B. -
C. 0
D. it depends
|
B
|
|
Find H when the temperature increases?
A. +
B. -
C. 0
D. it depends
|
B
|
|
Find S when the temperature increases?
A. +
B. -
C. 0
D. it depends
|
D
|
|
Does G tell you about solubility?
A. yes
B. no
|
A
|
|
Does H tell you about solubility?
A. yes
B. no
|
B
|
|
Does S tell you about solubility?
A. yes
B. no
|
B
|
|
When temperature decreases, G...
A. +
B. -
C. 0
D. it depends
|
B
|
|
When temperature decreases, H...
A. +
B. -
C. 0
D. it depends
|
A
|
|
When temperature decreases, S...
A. +
B. -
C. 0
D. it depends
|
A
|
Study Guide