Important do not press the enter key or the Return key while you are answering these questions. Your Browser will interpret either key the same as clicking the mouse on the Submit button. So BE CAREFUL!
Give me some responses to the questions below and I'll give you some extra credit.
SID#:
Laboratory Section:
1
2
3
4
5
6
1. In class on Monday (3-4-02) we explored the reaction;
A + BC ---> AB + C
One of the experiments we performed the initial moles of A and BC were as shown below;
initial
A +
4.0
BC
4.0
--->
AB +
0
C
0
What are the amounts of all species in the reaction after the reaction reached completion? (use the simulation to repeat the experiment.)
A:
mol
BC:
mol
AB:
mol
C:
mol
2. Suppose we do another experiment with the following initial conditions,
initial
A +
2.0
BC
2.0
--->
AB +
0
C
0
Before doing the experiment and using the results from Q1 above predict what the final amounts for each species in the reaction will be.
A:
mol
BC:
mol
AB:
mol
C:
mol
3. Do the experiment using the initial amounts in Q2. If you correctly predicted the final amounts, briefly explain your reasoning below. If you did not correctly predict the final amounts, that is OK. Compare the initial and final amounts in the two experiments and provide a brief explanation that would summarize the data.
4. Suppose I had a new reaction,
2D + E ---> F + G
The initial amounts of D, E, F and G are 4 mol, 3 mol, 0 mol and 2 mol.
The reaction is allowed to occur and after the reaction reached completion there were 2.70 mol of G. How many moles of D, E and F are present?
D:
mol
E:
mol
F:
mol
5. Is there anything about the reaction or the questions that you feel you do not understand? List your concerns/questions.
(NOTE: Be sure to print out the next page that summarizes all your responses and bring it with you to class on Monday.)