Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Review Of Stoichiometry
Test Description: General questions on stochiometric concepts
Instructions: Answer all questions to get your test result.
1) The starting material in an equation is
A
theoretical yield
B
mole
C
reactant
D
quantity
2) The actual amount of product in a chemical reaction
A
mole
B
theoretical yield
C
percent yield
D
actual yield
3) The calculations of quantities in a chemical reaction
A
theorectical yield
B
stoichiometry
C
percent error
D
actual yield
4) The substance that is left over after a reaction takes place
A
excess reagent
B
reactant
C
mole
D
limiting reagent
5) The coefficients of a balbanced equation indicate relative number of
A
moles
B
elements
C
atoms
D
grams
6) The law of conservation of mass means reactants and products must have equal
A
# of molecules
B
masses
C
moles
D
volumes
7) When dealing with gases, the calculations are done at the conditions of
A
vapor pressure
B
boiling point
C
STP
D
atmospheric pressure
8) The molar mass of NaBr is
A
1030 g
B
103 g
C
303 g
D
33 g
9) How many moles of CO are needed to react with 6.5 moles of O2 in the following 2CO + O2 --2CO2
A
3.3 moles
B
6.5 moles
C
17 moles
D
13 moles
10) what is the percent yield in a reation that has an actual yield of 12 grams and a theoretical yield of 15 grams ?
A
8 %
B
20%
C
80%
D
75%
11) The reactant in an equation that runs out 1st is known as the
A
base reactant
B
product
C
excess reactant
D
limiting reactant
12) The number of liters in 1 mole of any gas at STP is
A
24.4
B
24.2
C
22.4
D
42.2
13) Standard temperature and pressure are
A
0C and 101.3 kPa
B
0K and 101.3 kPa
C
0 C and 1 kPa
D
0K and 1 atm
14) To calculate a stoichiometric problem that gives a mass and wants a mass, what must you use to do the conversions
A
STP
B
molar mass of the reactants
C
22.4
D
coefficients
*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?