Spring Semester Exam '19

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

What is the total number of atoms present in 5Na₃PO₄

• 5
• 40
• 55
• 8

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Element or compound?
H₂O

• Element
• Compound

What are the larger numbers that you CAN CHANGE in a chemical equation? 

• Coefficient 
• Products
• Reactants
• Subscripts

Element or compound?
O₂

• Element
• Compound

How many aluminum atoms are in Al₂(SO₄)₃?

• 1
• 2
• 3
• 4

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

• yes
• no

Is the following equation balanced?
4Fe + 3O₂ --> 2Fe₂O₃

• yes
• no

Is the following reaction balanced?
NaHCO₃ --> Na₂CO₃ + H₂O + CO₂

• yes
• no