Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Term 3 Final
Test Description: This is a review for the 2017 3rd term final
Instructions: Answer all questions to get your test result.
1) If water usually boils at 100 C Why does it boil at a different temperature with salt added
A
Concentration of solute doesn't change anything
B
Salt raises the boiling point
C
Salt won't affect boiling point
D
Salt water can't boil
2) What is NaOH?
A
A Werewolf
B
A Neutral solution
C
A Base
D
An Acid
3) What si the molarity (Mol/L) when 2.34 moles of NaCl is dissolved in 500 mL
A
4.68
B
1.17
C
.00468
D
1170
4) pH level for an acidic solution is?
A
pH 7
B
pH 14
C
pH 7
D
pH = 7
5) When the concentration of reactants is higher, the reaction rate is__________.
A
Huh
B
Slower
C
Faster
D
The Same
6) What's the equation to find Molarity?
A
Moles / Kilograms
B
Moles / Liters
C
Liters / Moles
D
Kilograms / Liters
7) Balance the chemical equation ___PCl5 + ___H2O →___HCl +___H3PO4
A
1,5,3,5
B
1,2,3,4
C
1,4,5,1
D
1,4,1,5
8) Nickel is added to a reaction mixture and the reaction speeds up. This is most likely because __________.
A
nickel is a catalyst used to make the reaction reversible
B
nickel is used to increase the temperature
C
nickel is a catalyst used to lower the activation energy
D
nickel is used to increase the amount of energy needed for the reactants to form products
9) Dynamic equilibrium is defined as:
A
No overall change in concentration taking place although forward and reverse reactions still occur.
B
A reaction where products can also react to re-form the reactants
C
All reactants being used up
D
A reaction that goes to completion, reactions where products will not be converted back into reactants.
10) What would happen if I were to perform the reaction below in a refrigerator? N2(g) + 3H2(g) ⇆ 2NH3(g) + energy
A
Equilibrium will shift to the right and create more reactants.
B
Equilibrium will shift to the left and create more reactants.
C
Equilibrium will shift to the left and create more products
D
Equilibrium will shift to the right and create more products.
11) If I wanted to dissolve sugar into solution at the fastest rate what conditions would I choose.
A
Granulated sugar, placed in warm water with little movement of water particles allowed
B
Powdered sugar in hot water being constantly stirred
C
Ask Superman to use his freezing breath on sugar put into a glass of water
D
Large sugar chunks, cold water, no stirring
12) If I wanted to reduce the colligative properties of water taken from The Great Salt Lake what would be an easy way to do it?
A
Pass the water through a filter to remove impurities
B
Microwave the water
C
Add a small amount of solute to the water.
D
Add a large amount of solute to the water
13) If I am involved in an industrial accident and spill Sodium Hydroxide (NaOH) upon my hand what should I do?
A
Add enough acid to raise the pH to a neutral level
B
Add enough base to lower the pH to a neutral level
C
Add enough acid to lower the pH to a neutral leve
D
Add enough base to raise the pH to a neutral level
14) What is the molar mass (molecular weight) for NaOH
A
20 grams/mol
B
40.00 grams/mol
C
23 grams/mol
D
17.01 grams/mol
15) What effect would increasing the pressure of a reaction that is at equilibrium have?
A
Decrease temperature of overall reaction.
B
Increase frequency of collisions.
C
Decrease frequency of collisions
D
Cause more heat to be produced.
16) If water usually boils at 100 C why does it boil at a different temperature with salt added?
A
Salt won't affect boiling point
B
Salt raises the boiling point
C
Concentration of solute doesn't change anything
D
Salt water can't boil
17) Ice cream was first discovered in ancient china, and is still a very popular dish today. While we may use more sophisticated machinery, we still frequently use the same chemical reaction of adding sodium chloride an ionic compound to ice. Why do we d
A
To lower the ice's melting point
B
To flavor the ice cream
C
To melt the ice more quickly
D
To make the cream float to the top
18) What type of reaction is CuCl2 + 4NH3 -- Cu(NH3)4Cl2
A
Single Replacement (Single Displacement)
B
Combustion
C
Decomposition
D
Combination (Synthesis)
19) The random molecular motion of a substance is greatest when the substance is
A
frozen
B
a gas
C
a liquid
D
Condensed
20) Using the Arrhenius definition, classify HNO3 as an acid, a base, or a salt.
A
Salt
B
Base
C
Blue
D
Acid
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?