- #1

- 12

- 1

- Homework Statement
- A 124.4 g insulated aluminum cup at 18.46 ∘C is filled with 130.0 g of water at 46.91∘C. After a few minutes, equilibrium is reached.

a. Determine the final temperature. (completed)

b. Determine the total change in entropy.

- Relevant Equations
- Q=mcT

So I've answered the first question and I got a final temp of 42.06 Celsius.

Now for this second one, I don't know why I am getting it wrong:

Im doing 0.215*ln(315.06/291.46) + 1*ln(315.06/319.91)

But it says I am wrong. What about my process is faulty?

Now for this second one, I don't know why I am getting it wrong:

Im doing 0.215*ln(315.06/291.46) + 1*ln(315.06/319.91)

But it says I am wrong. What about my process is faulty?