Search found 9 matches
- Sun Mar 12, 2017 1:29 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Saying Thank You to Dr. Lavelle
- Replies: 490
- Views: 568397
Re: Saying Thank You to Dr. Lavelle
Dear Dr. Lavelle, Thank you for such hard work and dedication you put into structuring Chemistry 14B. At first I was over whelmed when i bought the course reader but once you began going through the examples, and giving us more information it made it way easier to understand. We are all lucky to hav...
- Sun Mar 05, 2017 1:37 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3645252
Re: Post All Chemistry Jokes Here (Jonathan Orozco)
H2O is water and H2O2 is hydrogen peroxide. What is H2O4?
Answer: Drinking
Answer: Drinking
- Mon Feb 20, 2017 7:44 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz 2 Winter 2017
- Replies: 160
- Views: 24907
Re: Quiz 2 Winter 2017
Can anyone help me with number 6 from Quiz two preparation? I don't understand how the answer is 0.30 M
I used the second order integrated Rate law, and my answer for K was 0.11092 i was wondering if i am going in the right direction and if so can you help me finish peals and thank you very much.
I used the second order integrated Rate law, and my answer for K was 0.11092 i was wondering if i am going in the right direction and if so can you help me finish peals and thank you very much.
- Fri Feb 17, 2017 2:53 pm
- Forum: Student Social/Study Group
- Topic: Quiz 2 Preparation
- Replies: 2
- Views: 849
Quiz 2 Preparation
Quick question will the answers for quiz 2 preparation be posted on chemistry community, as a reference to double check answers?
Thank You in advance
Thank You in advance
- Sat Feb 11, 2017 9:19 pm
- Forum: Student Social/Study Group
- Topic: Chemistry Joke
- Replies: 57
- Views: 5330
Chemistry Joke
Question: Why does hamburger have less energy than steak?
Answer: Because it's in the ground state.
Answer: Because it's in the ground state.
- Wed Jan 25, 2017 7:42 pm
- Forum: Entropy Changes Due to Changes in Volume and Temperature
- Topic: Entropy Chapter 9 #7
- Replies: 1
- Views: 541
Entropy Chapter 9 #7
Hello everyone i was wondering any one could send me in the right direction as to which formula to use for question #7 chapter 9. Question #7: Assuming that the heat capacity of an ideal gas is independent of temperature, calculate the entropy change associated with raising the temperature of 1.00 m...
- Wed Jan 18, 2017 7:36 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Chapter 8 Question #3 (The First Law)
- Replies: 2
- Views: 1104
Chapter 8 Question #3 (The First Law)
Hi everyone, i was wondering if anyone could help me solve number 3 from the homework problems. Question 3: Air in a bicycle pump is compressed by pushing in the handle. If the inner diameter of the pump is 3.0 cm and the pump is depressed 20.cm with a pressure of 2.00 atm, (a) how much work is done...
- Wed Jan 18, 2017 7:35 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Chapter 8 Question #3 (The First Law) [ENDORSED]
- Replies: 1
- Views: 535
Chapter 8 Question #3 (The First Law) [ENDORSED]
Hi everyone, i was wondering if anyone could help me solve number 3 from the homework problems. Question 3: Air in a bicycle pump is compressed by pushing in the handle. If the inner diameter of the pump is 3.0 cm and the pump is depressed 20.cm with a pressure of 2.00 atm, (a) how much work is done...
- Wed Jan 11, 2017 7:57 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Bond Enthalpies (Method #3)
- Replies: 1
- Views: 1193
Bond Enthalpies (Method #3)
Hey everyone I was wondering if you all could help me with todays material in lecture, specifically Calculating Standard reaction enthalpy. I was mostly confused on the process to calculate standard reaction enthalpy. Can anyone explain using the class example of CH4(g) +2O2(g) = CO2(g) +2H2O (l) If...