NEW
Font size
WorksheetsPicture Stoichiometry Questions
Total questions: 12
Worksheet time: 20mins
How many cars can you make with 92 tires and 34 bodies?
2C + 1M + G2 → C2MG2. If you have 5 Marshmallows (M), 9 Chocolate Pieces (C), and 9 Graham Cracker Halves (G), how many S'mores can you make?
Hydrogen gas and nitrogen gas react in a synthesis reaction to form ammonia (NH3). If the 'before' box represents the reactants, which box correctly represents the contents after the reaction is complete? (Hint: first write a balanced eqn.)
A
B
C
D
E
The diagram shown represents the reaction of red A with blue B. Write a balanced equation for this reaction.
8 A + 4 B2 --> 4 A2B2
2 A + 2 B2 --> 4 A2B2
2 A + B2 --> A2B2
2 A + B2 --> 2 A2B2
Sulfur (S) reacts with oxygen gas to form sulfur trioxide. (Write a balanced equation). Which box would be correct for the end of the reaction, given the quantities of reactants in the 'before' box?
A
B
C
D
E
The reaction represented in the boxes is the combustion of methane (CH4) in oxygen. Red = oxygen, black = carbon and white = hydrogen. Write a balanced equation. What is the limiting reactant in the picture shown?
methane (CH4)
oxygen (O2)
carbon dioxide (CO2)
water (H2O)
Which of the following equations best represents the chemical reaction between phosphorous (P4) and oxygen (O2) shown? (Hint: write a balanced equation)
3 P4 + 10 O2 --> 4 P2O5 + P4
3 P4 + 10 O2 --> 4 P2O5
P4 + 5 O2 --> 2 P2O5
2 P4 + 10 O2 --> 4 P2O5
2 P4 + 5 O2 --> 2 P2O5 + P4
In the diagram shown, the reactants have reacted completely with each other.
True
False
I don't know
Carbon monoxide (CO) reacts with hydrogen gas to make methanol (CH4O). Red = oxygen, black = carbon and white = hydrogen. Write a balanced equation for this reaction. For the reactants shown, how many methanol molecules can be formed?
three
four
five
six
Cannot be determined
Carbon monoxide (CO) reacts with hydrogen gas to make methanol (CH4O). Red = oxygen, black = carbon and white = hydrogen. Write a balanced equation for this reaction. If more carbon monoxide (CO) is added, will more product form?
yes
no
Cannot be determined
Carbon monoxide (CO) reacts with hydrogen gas to make methanol (CH4O). Red = oxygen, black = carbon and white = hydrogen. Write a balanced equation for this reaction. If more hydrogen (H2) is added, will more product form?
yes
no
Cannot be determined
