Search found 19 matches

by Adam Perez
Mon Mar 20, 2017 9:05 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1018957

Re: Post All Chemistry Jokes Here

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by Adam Perez
Fri Mar 17, 2017 11:25 pm
Forum: *Calculations Using ΔG° = -RT ln K
Topic: Energy Calculations
Replies: 2
Views: 594

Energy Calculations

I am extremely confused with the energy's that correspond to that of the different structures of different compounds, how should we be able to verify which structure has more energy if they are both in the chair position?
by Adam Perez
Tue Mar 14, 2017 12:33 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1018957

Re: Post All Chemistry Jokes Here

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by Adam Perez
Wed Mar 08, 2017 8:24 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1018957

Re: Post All Chemistry Jokes Here

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by Adam Perez
Mon Feb 27, 2017 7:31 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1018957

Re: Post All Chemistry Jokes Here

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by Adam Perez
Mon Feb 20, 2017 10:08 am
Forum: General Rate Laws
Topic: Stoichiometric Rates Discussion 1L Adam Perez
Replies: 2
Views: 224

Re: Stoichiometric Rates Discussion 1L Adam Perez

But how exactly are we supposed to attain delta Al using the information given?
by Adam Perez
Sat Feb 18, 2017 12:25 pm
Forum: General Rate Laws
Topic: Stoichiometric Rates Discussion 1L Adam Perez
Replies: 2
Views: 224

Stoichiometric Rates Discussion 1L Adam Perez

The formation of alumina, Al2O3, can be illustrated by the reaction below: 4 Al (s) + 3 O2 (g) ----> 2 Al2O3 (s). At 750 K it takes 267 seconds for the initial concentration of Al2O3 to increase from 6.18 E-5 M to 5.11 E-4 M. What is the rate of Al?
by Adam Perez
Thu Feb 09, 2017 11:58 pm
Forum: Balancing Redox Reactions
Topic: 14-13
Replies: 1
Views: 213

14-13

14.13 Write the half-reactions, the balanced equation for the cell reaction, and the cell diagram for each of the following skeletal equations: (a) Ni2(aq)  Zn(s) S Ni(s)  Zn2(aq) (b) Ce4(aq)  I(aq) S I2(s)  Ce3(aq) (c) Cl2(g)  H2(g) S HCl(aq) (d) Au+(aq) ---->Au(s) + Au+3(aq) I am having ...
by Adam Perez
Wed Feb 01, 2017 8:10 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1018957

Re: Post All Chemistry Jokes Here By Adam Perez Discussion 1L

What is a cation afraid of? A dogion!
by Adam Perez
Sat Jan 28, 2017 2:29 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1018957

Re: Post All Chemistry Jokes Here

We would like to apologize for not adding more jokes... but we only update them.... periodically!
by Adam Perez
Thu Jan 26, 2017 10:47 am
Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
Topic: Questions Not Found in Book By Adam Perez, Dis 1L
Replies: 1
Views: 213

Questions Not Found in Book By Adam Perez, Dis 1L

Calculate the following: (i) the kinetic energy of a body which has a mass of 5 kg and a velocity of 10m/s; (ii) the change in potential energy of a mass of 5 kg when it is raised a height of 3m; (iii) the strain energy stored in a spring compressed by 18mm from its free length if the spring constan...
by Adam Perez
Thu Jan 19, 2017 11:10 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1018957

Re: Post All Chemistry Jokes Here from Adam Perez Discussion 1L

A block of dry ice was sitting on a table and begins to turn into carbon dioxide gas. After a while, the block is gone and a cloud of CO2 is floating around. A nearby oxygen cloud asks, “Hey, I just saw you go through a phase change…how was it?”
The CO2 cloud replies, “It was sublime!”
by Adam Perez
Thu Jan 19, 2017 10:41 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: 8.45
Replies: 3
Views: 467

8.45

8.45 Carbon disulfi de can be prepared from coke (an impure form of carbon) and elemental sulfur: 4 C1s2  S81s2¡4 CS21l2 ¢H°  358.8 kJ How much heat is absorbed in the reaction of 1.25 mol S8 at constant pressure? (b) Calculate the heat absorbed in the reaction of 197 g of carbon with an excess o...

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