Search found 12 matches
- Sun Mar 19, 2017 2:16 am
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz Solutions
- Replies: 6
- Views: 1371
Re: Quiz Solutions
These are all the answers to the practice quizzes in our course reader!
- Sun Mar 19, 2017 2:15 am
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz Solutions
- Replies: 6
- Views: 1371
Re: Quiz Solutions
Quiz 3 Preparation Answers 1. 4-isopropyldecane or 4-(1-methylethyl) decane 2. Draw hexane structure with ethyl and methyl both attached to carbon 3 in hexane main chain. 3. Alkenes not covered in your Quiz 3. Your Quiz 3 covers more Kinetics. 4. 4-butyl-1,2-dimethylcyclohexane 5. What type of react...
- Sun Mar 19, 2017 2:14 am
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz Solutions
- Replies: 6
- Views: 1371
Re: Quiz Solutions
Quiz 2 Answers
1. 2 N2O5(g) → 4 NO2(g) + O2(g)
5.78 (mol NO2)⋅L–1⋅s–1
2. False
3. 2 N2O(g) → 2N2(g) + O2(g)
120 sec
4. first-order
2.00 s–1
5. has a rate that does not change much with temperature.
6. 0.30 M
7. 9.88×10−3 min−1 or 1.65 ×10−4 s−1
8. 6.06 min
9. D
10. false
11. 100 min−1
1. 2 N2O5(g) → 4 NO2(g) + O2(g)
5.78 (mol NO2)⋅L–1⋅s–1
2. False
3. 2 N2O(g) → 2N2(g) + O2(g)
120 sec
4. first-order
2.00 s–1
5. has a rate that does not change much with temperature.
6. 0.30 M
7. 9.88×10−3 min−1 or 1.65 ×10−4 s−1
8. 6.06 min
9. D
10. false
11. 100 min−1
- Sun Mar 19, 2017 2:07 am
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz Solutions
- Replies: 6
- Views: 1371
Re: Quiz Solutions
Quiz 1 answers as previously posted by Dr. Lavelle 1. ΔU = 310 J 2. ΔU = 0 kJ 3. w = –5.48 kJ q = +5.48 kJ ΔU = 0 4. +29.5 kJ⋅mol-1 5. N2H4(l) + H2(g) → 2NH3(g) –151 kJ⋅mol-1 6. 51.2 g 7. 2 and 3 8. no temperature 9. ΔG and ΔSsys 10. +0.683 J⋅K-1 11. 75.9 g 12. 2Fe2O3(s) + 3C(s, graphite) → 4Fe(s) +...
- Sun Mar 19, 2017 1:03 am
- Forum: *Alkanes
- Topic: Naming [ENDORSED]
- Replies: 93
- Views: 16794
Re: Naming [ENDORSED]
Alexma 3A wrote:how do you name substituents on a ring if there are more than 2 substituents?
Compare each number and select the name with lowest number.
- Sat Mar 18, 2017 12:32 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Salt Bridge [ENDORSED]
- Replies: 4
- Views: 1200
Re: Salt Bridge [ENDORSED]
With how many lines would a porous disk be represented in a cell diagram?
| = interfaces between phases in contact with each other.
||= salt bridge.
? ?= porous disk.
| = interfaces between phases in contact with each other.
||= salt bridge.
? ?= porous disk.
- Sat Mar 18, 2017 12:27 am
- Forum: Administrative Questions and Class Announcements
- Topic: Saying Thank You to Dr. Lavelle
- Replies: 490
- Views: 576675
Re: Saying Thank You to Dr. Lavelle
Dr. Lavelle, Thank you for making14b an enjoyable class. I appreciate all those extra resources that you provide for us and everything that you do to ensure that we succeed in your class and in anywhere in life. Thank you for deciding to stay with us this quarter throughout the hard times that you h...
- Sat Mar 18, 2017 12:15 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3669562
Re: Post All Chemistry Jokes Here
-Are you the 11th element on the periodic table?
-Because you're SODIUM fine ;)
-Because you're SODIUM fine ;)
- Sun Mar 12, 2017 10:56 am
- Forum: *Alkanes
- Topic: Naming [ENDORSED]
- Replies: 93
- Views: 16794
Re: Naming [ENDORSED]
If there is multiple functional groups which group gets the highest priority?
- Tue Mar 07, 2017 11:22 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3669562
Re: Post All Chemistry Jokes Here
Did you know that you can cool yourself to -273.15 C and still be 0k?
- Tue Mar 07, 2017 11:11 pm
- Forum: *Alkanes
- Topic: Naming [ENDORSED]
- Replies: 93
- Views: 16794
Re: Naming [ENDORSED]
Would a prefix, such as "di" in dimethyl, affect the order when naming alphabetically?
- Tue Feb 21, 2017 6:48 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Units
- Replies: 7
- Views: 1201
Re: Units
Unless the question specifically asks you to state your answer in a particular unit, it does not matter what units you choose to use.