1. Limiting Reactant Sandwich 2 pcs bread 1 slice meat 1 slice cheese
- limits the amount of product that can be formed
Sandwich
2 pcs bread
1 slice meat
1 slice cheese

2. Limiting Reactant Sandwich 2 pcs bread 1 slice meat 1 slice cheese
- limits the amount of product that can be formed
Bread Meat Cheese Sandwich
Sandwich
2 pcs bread
1 slice meat
1 slice cheese 5 8 6

3. Local businesses have donated the following:
The teachers estimate that approximately 200 students will show up. In order to feed this many students, they have come up with the following “equation”:
2 hotdog buns + 2 hotdogs + 2 relish + 4 ketchup + 2 mustard + 10 marshmallows + 1 bag of chips + 3 soft drinks 
1 full student
Local businesses have donated the following:
6 cases of ketchup packets (144 packets per case)
120 six-packs of soft drink
3 cases of mustard packets (144 packets per case)
17 boxes of chips (12 bags per box)
30 bags of marshmallows (80 mallows per bag)
3 cases of relish packets (144 packets per case)
60 packages of hot dog buns (8 hot dogs per package)
60 packages of hot dogs (10 hot dogs per package)
864 /4
= 216

4. If all 200 students show up, how much of each item will be needed?
Hot dog buns __________________
hot dogs _______________________
Relish ________________________
ketchup ________________________
Mustard ______________________
marshmallows ___________________
Chips _________________________
soft drinks _______________________
2 hotdog buns + 2 hotdogs + 2 relish + 4 ketchup + 2 mustard
+ 10 marshmallows + 1 bag of chips + 3 soft drinks 
1 full student

5. After feeding all 200 students, how much of each item will be left over?
Hot dog buns __________________
hot dogs _______________________
Relish ________________________
ketchup ________________________
Mustard ______________________
marshmallows ___________________
Chips _________________________
soft drinks _______________________

6. Did you have enough of everything?
Could you feed extra students? __________________ If yes, how many? _______________
If the bonfire is a huge success, and 250 students show up, what item will you run out of first? (In chemistry, we call this the “limiting reagent”).
2 hotdog buns + 2 hotdogs + 2 relish + 4 ketchup + 2 mustard
+ 10 marshmallows + 1 bag of chips + 3 soft drinks 
1 full student