Search found 12 matches

by Bryan Vega 2E
Sun Mar 19, 2017 2:16 am
Forum: Administrative Questions and Class Announcements
Topic: Quiz Solutions
Replies: 6
Views: 568

Re: Quiz Solutions

These are all the answers to the practice quizzes in our course reader!
by Bryan Vega 2E
Sun Mar 19, 2017 2:15 am
Forum: Administrative Questions and Class Announcements
Topic: Quiz Solutions
Replies: 6
Views: 568

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...
by Bryan Vega 2E
Sun Mar 19, 2017 2:14 am
Forum: Administrative Questions and Class Announcements
Topic: Quiz Solutions
Replies: 6
Views: 568

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
by Bryan Vega 2E
Sun Mar 19, 2017 2:07 am
Forum: Administrative Questions and Class Announcements
Topic: Quiz Solutions
Replies: 6
Views: 568

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) +...
by Bryan Vega 2E
Sun Mar 19, 2017 1:03 am
Forum: *Alkanes
Topic: Naming [ENDORSED]
Replies: 92
Views: 7757

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.
by Bryan Vega 2E
Sat Mar 18, 2017 12:32 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Salt Bridge [ENDORSED]
Replies: 4
Views: 583

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.
by Bryan Vega 2E
Sat Mar 18, 2017 12:27 am
Forum: Administrative Questions and Class Announcements
Topic: Saying Thank You to Dr. Lavelle
Replies: 202
Views: 64602

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...
by Bryan Vega 2E
Sat Mar 18, 2017 12:15 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 885764

Re: Post All Chemistry Jokes Here

-Are you the 11th element on the periodic table?




-Because you're SODIUM fine ;)
by Bryan Vega 2E
Sun Mar 12, 2017 10:56 am
Forum: *Alkanes
Topic: Naming [ENDORSED]
Replies: 92
Views: 7757

Re: Naming [ENDORSED]

If there is multiple functional groups which group gets the highest priority?
by Bryan Vega 2E
Tue Mar 07, 2017 11:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 885764

Re: Post All Chemistry Jokes Here

Did you know that you can cool yourself to -273.15 C and still be 0k?
by Bryan Vega 2E
Tue Mar 07, 2017 11:11 pm
Forum: *Alkanes
Topic: Naming [ENDORSED]
Replies: 92
Views: 7757

Re: Naming [ENDORSED]

Would a prefix, such as "di" in dimethyl, affect the order when naming alphabetically?
by Bryan Vega 2E
Tue Feb 21, 2017 6:48 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Units
Replies: 7
Views: 509

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.

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