Thermo1

In this PLE we are going to continue our investigate acids and bases. (NOTE: If you can not answer a question below enter CNA.)

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Give me some responses to the questions below and I'll give you some extra credit.

SID#:

Laboratory Section:

1. Consider the following two reactions. Which do you think is most likely to occur beginning with the reactants? Provide a brief explanation if you can.

CH₄(g) + 3O₂(g) ----> CO₂(g) + 2H₂O(l)

CO₂(g) + 2H₂O(l) ----> CH₄(g) + 3O₂(g)

2. Can you specify the most likely sequence of the four images?

image #1	image #2

image #3	image #4

3. Indicate for each change whether it is endothermic or exothermic.

a. H₂O(l) ----> H₂O(s)

b. CO₂(s) ----> CO₂(g)

c. 2Na(s) + 2H₂O(l) ----> 2NaOH(aq) + H₂(g)

d. 2H₂(g) + O₂(g) ----> 2H₂O(g)

4. If I flipped a coin 20 time, what is the most likely number of heads and tails?

5. Given the figure below showing 20 gas particles in constant random motion (the image is static, but use your imagination) at time t = 0. If the small red door is open describe what you believe the container would look like after a reasonable period of time.

6. Is there anything about the questions that you feel you do not understand? List your concerns/questions.