Sandwich Shop Phet

• Open this phet!! It should be the sandwich shop. • The first step is to set up our reactions. To do this we need to decide

how many pieces of bread and cheese make a sandwich. • You will follow a set of directions to complete a table on the next

slide. • To make things simple, start with a cheese sandwich consisting of two

pieces of bread and one piece of cheese.

Reactants Products LeftoversBread Cheese Sandwiches Bread Cheese

2 1 1 0 03 0

22

5 51 4

3 44

Use the phet to fill in the following table.

• Now, click on “Real Reaction”

• In this step you will use the phet to make real reactions and insert the correct number of reactants and products.

Coefficient

ReactantsProducts

Leftovers

H2 O2 H2 O2

Write in Number What is produced Number

ReactantsProducts

Leftovers

N2 H2 N2 H2

Write in Number What is produced Number

ReactantsProducts

Leftovers

CH4 O2 CH4 O2

Write in Number What is produced Number

Now click on the “game” and set your settings to look like this

GO TO NEXT SLIDE!!!!!!!!!!!!!!

• When you get here, ask Mr. Taylor or Mr. Mason for help. If you do not need help you can try to do it on your own.• Play the game…try to get the number of reactants and products correct!

This part is difficult, so take your time. • Screenshot your score.

Screenshot