Search found 31 matches
- Sat Mar 16, 2019 8:53 pm
- Forum: Zero Order Reactions
- Topic: third order
- Replies: 11
- Views: 1231
Re: third order
I believe Professor Lavelle said we were going to cover only up to second order
- Sat Mar 16, 2019 8:49 pm
- Forum: General Science Questions
- Topic: Questions on Final
- Replies: 2
- Views: 883
Questions on Final
Anyone have an idea of what kind of questions to expect on the final?
- Sat Mar 16, 2019 8:46 pm
- Forum: Student Social/Study Group
- Topic: class pictures
- Replies: 15
- Views: 4058
Re: class pictures
Got some pictures
- Thu Mar 07, 2019 9:17 pm
- Forum: General Science Questions
- Topic: Final
- Replies: 7
- Views: 1240
Final
Does Dr. Lavelle curve the final grades for his class?
- Thu Mar 07, 2019 9:02 pm
- Forum: Second Order Reactions
- Topic: Final
- Replies: 32
- Views: 2470
Re: Final
I believe it is cumulative from what we covered throughout the quarter.
- Thu Mar 07, 2019 9:00 pm
- Forum: Balancing Redox Reactions
- Topic: Balancing Redox Reactions
- Replies: 5
- Views: 735
Balancing Redox Reactions
Is there a simple method used to balance redox reactions occurring in a basic solution? By that I mean is there a way of balancing redox reactions in a basic solution by reducing the amount of thought we have to put into such questions?
- Thu Mar 07, 2019 8:52 pm
- Forum: Balancing Redox Reactions
- Topic: Test #2
- Replies: 6
- Views: 828
Test #2
By any chance does anyone know if the solutions for test #2 is going to be released?
- Fri Mar 01, 2019 10:05 am
- Forum: Balancing Redox Reactions
- Topic: Adding H+ and H2O
- Replies: 13
- Views: 2947
Re: Adding H+ and H2O
Also, remember that you add H+ and H2O when the redox reaction occurs in a acidic solution. If it takes place is a basic solution, you use OH- and H2O to balance the redox reaction.
- Fri Mar 01, 2019 9:51 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Cell diagrams and solids
- Replies: 9
- Views: 1023
Cell diagrams and solids
In a cell diagram, when do you include a solid and why do we have to include a solid? Also, Is the solid always going to be Pt(s)?
- Fri Mar 01, 2019 9:47 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Does anyone know if test 2 will be curved?
- Replies: 15
- Views: 3033
Re: Does anyone know if test 2 will be curved?
I highly doubt that the second test would be curved :(
- Thu Feb 21, 2019 4:43 pm
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Expansion and Non-expansion Work
- Replies: 1
- Views: 258
Expansion and Non-expansion Work
Can someone give an example of expansion and non-expansion work?
- Thu Feb 21, 2019 4:30 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Derivation of Gibb's Free Energy
- Replies: 1
- Views: 356
- Thu Feb 21, 2019 4:27 pm
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Gibbs Free Energy and Spontaneity
- Replies: 2
- Views: 449
Re: Gibbs Free Energy and Spontaneity
If delta G is less than zero, this means a reaction is always product-favored
If delta G is greater than zero, this means a reaction is always reactant-favored
If delta G is greater than zero, this means a reaction is always reactant-favored
- Thu Feb 14, 2019 9:08 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Isothermal and Free Expansion
- Replies: 2
- Views: 388
Isothermal and Free Expansion
What is the exact difference between isothermal and free expansion?
- Thu Feb 14, 2019 9:06 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Kp equilibrium constant
- Replies: 6
- Views: 1673
Re: Kp equilibrium constant
I don't believe you necessarily need to always convert the pressure to atm because when you solve for Kp, you can use bars as well for the units.
- Thu Feb 14, 2019 9:00 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: ΔU = 0?
- Replies: 4
- Views: 1018
ΔU = 0?
If ΔU = 0, does that always mean that the process is isothermal? If so, why?
- Thu Feb 07, 2019 5:03 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3890116
Re: Post All Chemistry Jokes Here
Helium walks into a bar,
The bar tender says "We don't serve noble gasses in here."
Helium doesn't react.
The bar tender says "We don't serve noble gasses in here."
Helium doesn't react.
- Thu Feb 07, 2019 4:58 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Energy
- Replies: 5
- Views: 767
Energy
Why is energy of an isolated system always constant at equilibrium?
- Thu Feb 07, 2019 4:24 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Enthalpy and Entropy
- Replies: 2
- Views: 1063
Enthalpy and Entropy
What is the difference between enthalpy and entropy?
- Thu Jan 31, 2019 8:17 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Open, closed, or isolated systems
- Replies: 10
- Views: 39334
Open, closed, or isolated systems
How do you determine if a system is open, closed, or isolated?
- Thu Jan 31, 2019 8:12 pm
- Forum: Ideal Gases
- Topic: pV=nRT
- Replies: 12
- Views: 2144
pV=nRT
What is pV=nRT used for?
- Thu Jan 31, 2019 8:10 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3890116
Re: Post All Chemistry Jokes Here
Don't be So Salt - y. I don't know why the Y isn't included at the end lol!
- Thu Jan 24, 2019 10:04 pm
- Forum: Phase Changes & Related Calculations
- Topic: Steam and Boiling water
- Replies: 2
- Views: 321
Steam and Boiling water
Why is getting burned from steam more damaging than getting burned with boiling water of the same temperature?
- Thu Jan 24, 2019 10:00 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Pressure and gas equilibria
- Replies: 2
- Views: 320
Pressure and gas equilibria
How does change in pressure affect gas-phase equilibria?
- Thu Jan 24, 2019 9:55 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Acids and Bases (weak or strong)
- Replies: 3
- Views: 447
Re: Acids and Bases (weak or strong)
You can determine whether an acid/base is strong or weak by solving for Ka and Kb. If Ka/Kb is larger than 10^-3, consider it to be strong. If it is less than 10^-3 consider it weak.
- Mon Jan 14, 2019 11:35 pm
- Forum: General Science Questions
- Topic: Autoprotolysis
- Replies: 3
- Views: 679
Autoprotolysis
What is autoprotolysis?
- Mon Jan 14, 2019 10:38 pm
- Forum: General Science Questions
- Topic: Strong and Weak Acids and Bases
- Replies: 2
- Views: 597
Strong and Weak Acids and Bases
How do you differentiate strong acids and bases from weak acids and bases?
- Mon Jan 14, 2019 10:28 pm
- Forum: Ideal Gases
- Topic: Water
- Replies: 13
- Views: 1113
Re: Water
Water can either be a liquid, solid, or gas. Any substance that has been dissolved in water is said to be in an aqueous state (remember that aqua means water). For water to be in an aqueous state is in itself, a contradiction.
- Wed Jan 09, 2019 5:11 pm
- Forum: Ideal Gases
- Topic: Definition
- Replies: 2
- Views: 488
Re: Definition
Check out this link, I believe this may answer your question:
http://www.answers.com/Q/What_is_the_di ... a_real_gas
http://www.answers.com/Q/What_is_the_di ... a_real_gas
- Wed Jan 09, 2019 4:55 pm
- Forum: General Science Questions
- Topic: Transition from 20 Series to 14 Series
- Replies: 2
- Views: 590
Transition from 20 Series to 14 Series
Hi everyone, I recently switched my chemistry series from the 20 series to the 14 series. I took CHEM 20A with Baugh in the fall quarter and decided to take CHEM 14B with Lavelle. What are some main concepts from CHEM 14A that I should know that would help me in CHEM 14B? Anything would help!
- Wed Jan 09, 2019 4:36 pm
- Forum: Ideal Gases
- Topic: Inert Gases
- Replies: 3
- Views: 483