CHEMISTRY COMMUNITY

Hector_Gutierrez 1J

For part b, I got -1061.4 J. I used the equation -nRTln(Vf/Vi). I set n=1, 8.314 as the gas constant R, 305 K as my temperature T, my final volume as 6.52 L, and my initial volume as 4.29 L. However, the answer at the back of the book is -326 J. What did I do wrong?

Hector_Gutierrez 1J

In the answer in the book, it states that part b, reversible expansion, does more work? Why is that so?

Hector_Gutierrez 1J

Thank you!

Hector_Gutierrez 1J

I'm always wondering where the Quiz 3 practice answers are posted to check my solutions.

Hector_Gutierrez 1J

Are you made up of a 4 carbon chain? Because you're butyl-ful.

Hector_Gutierrez 1J

So it will include activation energy, reaction mechanisms, and naming organic compounds?

Hector_Gutierrez 1J

In general, what are the units for the reaction rate and the rate constant? I mean individually of course as the they are different values.

Hector_Gutierrez 1J

My tendency to always sleep is directly related to the tendencies of the electrons inside of me, they're always trying to be in their lowest energy state.

Hector_Gutierrez 1J

I am also having a difficult time trying to figure out how one would derive the equation to solve the problem?

Hector_Gutierrez 1J

Are there any formulas for quiz 1 we need to know that will not be on the formula sheet?

Hector_Gutierrez 1J

I should probably study for my quiz . . . or NaW

Hector_Gutierrez 1J

Q. Why did the chemistry student fall asleep during?
A. Because it was boron.

Hector_Gutierrez 1J

As a follow-up question, I wanted to ask whether we will receive some sort of quiz preparation. For Chem 14A, I know we had a quiz booklet with practice problems with solutions, as well as turn-in quizzes. We will have something like that this quarter?

Hector_Gutierrez 1J

Does anyone know if the midterms answers were posted anywhere? I'm going over problems from the midterm to study and I'm wondering if there is a way to check my solutions.

Hector_Gutierrez 1J

Does temperature also affect the K value, the equilibrium constant?

Hector_Gutierrez 1J

So what about another example, like [Fe(ox)(CO)2(NH3)]H2O for instance. What would be the coordination number?

Hector_Gutierrez 1J

Anyone want to study for Quiz 3 this week?

Hector_Gutierrez 1J

Does anyone know any videos or resources that aid in showing how to draw out the molecular orbital energy diagrams?

Hector_Gutierrez 1J

Is the ideal Lewis Structure always balanced? To be more specific, will the formal charge on every atom in a molecule always be zero? Or will the most ideal state of a molecule sometimes have atoms with positive or negative formal charges?

Hector_Gutierrez 1J

Joseph Lew 1K wrote:When making a Lewis structure should I assume it is correct if I used the correct number of electrons or should I check formal charge to make sure I have the correct bonds?

You should check the formal charge to ensure that the molecule is at its most ideal state.

Hector_Gutierrez 1J

Is the second ionization energy always more than the first for every atom? The second ionization energy is always stronger because there will be a greater ratio of protons to electrons. During the first ionization of an element there is an equal number of protons and electrons. However, during the ...

Hector_Gutierrez 1J

I like Juan's idea of studying from 7-9pm on the days we have class, which would be Monday, Wednesday, and Friday.

Hector_Gutierrez 1J

I live in Sproul Hall! The first thing that came to mind after the first lecture was that I need people to study with. So hopefully in the very near future we can come up with times to do homework together and study together.

CHEMISTRY COMMUNITY

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