Sandwich stoichiometry (PhET)

Start with 3 breads and 2 cheese. How many products are made? ____ 

(a)   sandwich

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• 4

Start with 3 breads and 2 cheese. The leftovers are​​ (a)   cheese slice(s) and​ (b)   bread slice(s)

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Now have 8 breads and 3 cheese. How many sandwiches are made? _____

(a)   In this case the limiting reagent is​ (b)  

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• cheese
• 0
• 2
• bread
• sandwich

Now try 8 breads and 8 cheese. What is the excess reagent?

• Bread

• Cheese

• Sandwich

• no excess

On ‘sandwiches meat and cheese’ sim:

1. Play with the sim and try to make only one sandwich with no leftovers. How many of each reactant were used?​ (a)   bread​ (b)   meat​ (c)   cheese

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• 1
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• 3

Now max every reactant out. How many products can be made?

 How many of which leftovers are created?

Bread - (a)  

Meat - (b)  

Cheese - (c)  

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• 4
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Which reactant was your limiting reagent?​ (a)  

• Bread
• Cheese
• Meat
• Sandwich

Use the "Molecule" tab, and choose " make water

Match the following

Make a single water molecule.  What is the mole ratio (how many of each reactant and product are there)?

H2 - (a)  

O2 - (b)  

H2O - (c)  

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If you have 8 molecules of hydrogen and 8 molecules of oxygen, how many water molecules you will be able to make? (use numerical number)