3.4 Limiting Reactant Quiz-Exit Ticket or Entry

Match the following

• A single compound breaks down into simpler substances

• Combustion

• Multiple reactants form a single compound.

• Synthesis

• One element replaces another element in a compound

• Decomposition

• Elemental oxygen is a reactant.

• Double Displacement

• Ions in two compounds exchange places to form two new compounds

• Single Displacement

The limiting reactant

• slows the reaction down
• is used up first
• is the reactant that is left over
• controls the speed of the reaction

What is the first thing you must do to solve a stoichiometry problem?

• Write a Balanced Equation
• Panic
• Write an Unbalanced Equation
• Avogadro's Number

What type of reaction is Al + CuCl2 —> AlCl3 + Cu?

• Double replacement

• Single replacement

• Synthesis

• Decomposition

• Combustion

Tags

NGSS.MS-PS1-5

How do you correctly balance: Al + CuCl2 —> AlCl3 + Cu

• 2, 3, 2, 3

• 3,3,3,3

• 2, 2, 3, 3

• 2, 1, 3, 1

Tags

NGSS.MS-PS1-5

This is what you call a reactant that you have enough of. The one that DOES NOT run out.

• Limiting Reactant

• Excess Reactant

• Highly Reactant

• Super Reactant

Use the equation 2 Al + 3 Cl₂ ---> 2 AlCl₃.  If 2 moles of aluminum and 2 moles of chlorine are reacted, identify the limiting reactant.

• AlCl3
• Cl2
• Al

Tags

NGSS.HS-PS1-7

Use the equation 2 Al + 3 Cl₂ ---> 2 AlCl₃. If 2 moles of aluminum and 3 moles of chlorine are reacted, how much AlCl₃ can be made?

• 1 mole

• 2 moles

• 4 moles

• 0 moles

Tags

NGSS.HS-PS1-7

Use the equation 2 Al + 3 Cl₂ ---> 2 AlCl₃.  If 2 moles of aluminum and 2 moles of chlorine are reacted, identify the limiting reactant.

• AlCl3
• Cl2
• Al

Tags

NGSS.HS-PS1-7

What is the limiting reactant if 10 moles of NH₃  react  with 30.0 moles of NO?
4NH₃+6NO --> 5N₂ + 6H₂O

• NH₃
• NO
• N₂
• water

Tags

NGSS.HS-PS1-7