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WorksheetsIntro to Chem Unit 5 Test Review
Total questions: 31
Worksheet time: 55mins
Name
Class
Date
1.
The solvent
a)
Is the smaller portion of the solution
b)
Is the larger portion of the solution
2.
The solute
a)
Is the smaller part of the solution
b)
Is the larger part of the solution
3.
In a glass of Gatorade, which of the following would be considered the solution?
a)
The powder
b)
The water
c)
The actual beverage, Gatorade
d)
Need more information
4.
In a glass of Gatorade, which of the following would be considered the solvent?
a)
The powder
b)
The water
c)
The actual beverage, Gatorade
d)
Need more information
5.
In a glass of Gatorade, which of the following would be considered the solute?
a)
The powder
b)
The water
c)
The actual beverage, Gatorade
d)
Need more information
6.
What would need to happen for a solution to become supersaturated?
a)
Stir it very fast
b)
Heat the solution up
c)
Just keep adding more solute
d)
This is not possible
7.
Concentration = g solute / L solution
What is the concentration in g/L of a solution when 15 grams of sugar is added to 2,000 mL of water?
What is the concentration in g/L of a solution when 15 grams of sugar is added to 2,000 mL of water?
a)
7.5 g/L
b)
.075 g/L
c)
.13 g/L
d)
13.3 g/L
8.
Concentration = g solute / L solution
A solution has a concentration of 5.65 g/L. If the solution contains 25 g of solute, what is the volume of solution in L?
A solution has a concentration of 5.65 g/L. If the solution contains 25 g of solute, what is the volume of solution in L?
a)
141.25 L
b)
.226 L
c)
4.42 L
d)
.0003 g/L
9.
% by mass = g solute / g solution *100
What is the percent by mass of 5.0 g of iron (II) sulfate dissolved in 75.0 g of water?
What is the percent by mass of 5.0 g of iron (II) sulfate dissolved in 75.0 g of water?
a)
3.6%
b)
6.3%
c)
63%
d)
36%
10.
Solubility
a)
The transition from solid to liquid
b)
The rate in which something dissolves
c)
How transparent a liquid is
d)
The amount of solute that can be dissolved in a solution at a given temperature
11.
Which solution is more concentrated, Solution A with 20 g of powder in 1 L of water? Or Solution B with 15 g of powder in 0.5 L of water?
a)
Solution A
b)
Solution B
c)
They are both the same
d)
Not enough information provided
12.
What type of diagram is this?
a)
Phase Change Diagram
b)
Phase Equilibrium Diagram
c)
Saturation Diagram
d)
Solubility Curve Diagram
13.
Electronegativity is
a)
How conductive an element is
b)
The distance from the nucleus of an atom to it's electrons
c)
The ability for an element to attract electrons
d)
The energy it takes to remove an electron
14.
Which substance is most soluble at 0 degrees C?
a)
KCl
b)
KI
c)
NaCl
d)
NaNO3
15.
What is the saturation of 10 g of NH3 at 90 degrees C?
a)
unsaturated
b)
saturated
c)
supersatured
d)
superdupersaturated
16.
Polar bonding refers to
a)
unequal sharing of electrons
b)
equal sharing of electrons
17.
Non polar bonding refers to
a)
unequal sharing of electrons
b)
equal sharing of electrons
18.
Which of the following is the correct order of strength for intramolecular bonds from weakest to strongest?
a)
Non polar, polar, ionic
b)
Ionic, polar, nonpolar
c)
Ionic, non polar, polar
d)
polar, non polar, ionic
19.
H2 is a
a)
polar bond
b)
non polar bond
20.
HCl is a
a)
polar bond
b)
non polar bond
21.
Which of the following is not one of the 3 intermolecular forces?
a)
Hydrogen Bonding
b)
Londen Dispersion Forces
c)
Dipole-Dipole
d)
Paris Dispersion Forces
22.
The amount of energy needed to initiate a chemical reaction is called
a)
catalyst
b)
inhibitor
c)
activation energy
d)
manual energy
23.
An addition to a chemical reaction that speeds it up is a(n)
a)
catalyst
b)
inhibitor
c)
activation energy
d)
manual energy
24.
An addition to a chemical reaction that slows it down is a(n)
a)
catalyst
b)
inhibitor
c)
activation energy
d)
manual energy
25.
Which type of EM wave has the highest frequency/energy?
a)
Gamma waves
b)
X-rays
c)
Radio waves
d)
UV waves
26.
Which type of EM wave has the lowest frequency/energy?
a)
Gamma waves
b)
X-rays
c)
Radio waves
d)
UV waves
27.
What are the ranges of colors for visible light on the EM spectrum?
a)
the primary colors
b)
magenta, dandelion, forest green, ocean blue, charcoal, purple, and gray
c)
red, orange, yellow, green, blue, indigo, violet
d)
black and white
28.
Water forming a "lip" on the top of beaker before spilling would be described as the term
a)
adhesion
b)
cohesion
c)
brohesion
d)
sisterhesion
29.
Water sticking the side of a graduated cylinder would be an example of the term
a)
adhesion
b)
cohesion
c)
brohesion
d)
sisterhesion
30.
What geometric shape does H2O have?
a)
trigonal planar
b)
linear
c)
bent
d)
tetrahedral
31.
What geometric shape does CH4 have?
a)
trigonal planar
b)
linear
c)
bent
d)
tetrahedral
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