Search found 35 matches

by DamianW
Sun Mar 18, 2018 8:42 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Internal Energy of Isolated Systems
Replies: 6
Views: 505

Re: Internal Energy of Isolated Systems

constant volume means no work
by DamianW
Sun Mar 18, 2018 8:40 pm
Forum: *ChemDraw
Topic: draw
Replies: 1
Views: 298

draw

will we have to draw on our final?
by DamianW
Sun Mar 18, 2018 8:38 pm
Forum: *Alkanes and Substituted Alkanes (Staggered, Eclipsed, Gauche, Anti, Newman Projections)
Topic: nucleophiles
Replies: 3
Views: 413

nucleophiles

how do you find the nucleophiles ?
by DamianW
Sun Mar 18, 2018 8:34 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: State functions?
Replies: 9
Views: 354

Re: State functions?

why is U one?
by DamianW
Sun Mar 18, 2018 8:32 pm
Forum: Administrative Questions and Class Announcements
Topic: Saying Thank You to Dr. Lavelle
Replies: 200
Views: 45358

Re: Saying Thank You to Dr. Lavelle

Honestly, thank you so much. You made me work, but I did learn so much
by DamianW
Sun Mar 18, 2018 8:29 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Writing Cell Diagrams
Replies: 3
Views: 207

Re: Writing Cell Diagrams

a solid is always needed. know what the cathode and anode is
by DamianW
Sun Mar 18, 2018 8:26 pm
Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
Topic: Cell Potential
Replies: 9
Views: 2223

Re: Cell Potential

when you do you switch the signs of given cell potentials?
by DamianW
Sun Mar 18, 2018 8:20 pm
Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
Topic: Gibbs and Activation Energy
Replies: 4
Views: 256

Re: Gibbs and Activation Energy

not for material
by DamianW
Sun Mar 18, 2018 8:16 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Delta G units
Replies: 3
Views: 1051

Re: Delta G units

-=spontaneous is also favorable right?
by DamianW
Sun Mar 18, 2018 8:10 pm
Forum: Van't Hoff Equation
Topic: Derivation
Replies: 9
Views: 348

Re: Derivation

its good to know them to guide you
by DamianW
Sun Mar 18, 2018 8:08 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Catalyst and Intermediate
Replies: 7
Views: 350

Re: Catalyst and Intermediate

a catalyst appears first as a reactant?
by DamianW
Sat Mar 17, 2018 3:43 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Question 69
Replies: 1
Views: 180

Question 69

what does it mean here when it says, "the new pathway has a different pre-exponential factor"? what do we assume based off of this statement ?
by DamianW
Sat Mar 17, 2018 3:18 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: A?
Replies: 6
Views: 388

Re: A?

is that why you can subtract them?
by DamianW
Sat Mar 17, 2018 3:12 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: 15.67?
Replies: 5
Views: 319

Re: 15.67?

at the end, why do you multiply by k1/
by DamianW
Sat Mar 17, 2018 3:02 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: 15.67?
Replies: 5
Views: 319

Re: 15.67?

at the end, why do you multiply by k1/
by DamianW
Sun Mar 11, 2018 5:20 pm
Forum: Second Order Reactions
Topic: Half life
Replies: 6
Views: 293

Half life

for a second order reaction, when given something like 1/16 why do you flip it in the equation and write 16-1?
by DamianW
Sun Mar 11, 2018 5:14 pm
Forum: General Rate Laws
Topic: Problem 15.3
Replies: 4
Views: 168

Re: Problem 15.3

You don’t need to know the order unless it asks for something st a certain time
by DamianW
Sun Mar 11, 2018 5:11 pm
Forum: Second Order Reactions
Topic: Half life of second order reactions
Replies: 8
Views: 483

Re: Half life of second order reactions

Do any of you know if lavelle has ever asked us to derive a half life formula on a previous test ?
by DamianW
Sun Mar 11, 2018 5:10 pm
Forum: Second Order Reactions
Topic: the slope
Replies: 12
Views: 434

Re: the slope

I don’t think lavelle would ever switch them on our test
by DamianW
Sun Mar 04, 2018 8:47 pm
Forum: Second Order Reactions
Topic: Half life constant and Rate reaction constant
Replies: 4
Views: 173

Re: Half life constant and Rate reaction constant

So order does matter ?
by DamianW
Sun Mar 04, 2018 8:46 pm
Forum: First Order Reactions
Topic: Derivations
Replies: 6
Views: 187

Derivations

Is there a good chance we may have to derive a formula on this weeks test?
by DamianW
Sun Mar 04, 2018 8:45 pm
Forum: Zero Order Reactions
Topic: 15.15
Replies: 3
Views: 123

15.15

Because C is a zero order reaction, is that why we disregard it when trying to find the orders for a nd b?
by DamianW
Sun Feb 18, 2018 8:15 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Cell reactions
Replies: 3
Views: 118

Re: Cell reactions

Will it always be left/right ?
by DamianW
Sun Feb 18, 2018 8:13 pm
Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
Topic: Delta G= Wmax
Replies: 8
Views: 353

Re: Delta G= Wmax

Why are they equal?
by DamianW
Sun Feb 18, 2018 8:09 pm
Forum: Balancing Redox Reactions
Topic: Test 2
Replies: 5
Views: 149

Re: Test 2

I think only on the certain problem
by DamianW
Sun Jan 28, 2018 6:27 pm
Forum: Phase Changes & Related Calculations
Topic: 8.41
Replies: 6
Views: 217

Re: 8.41

In this problem do you have to account for fusion as well ?
by DamianW
Sun Jan 28, 2018 6:26 pm
Forum: Environment, Fossil Fuels, Alternative Fuels
Topic: biodiesel fuel [ENDORSED]
Replies: 2
Views: 258

biodiesel fuel [ENDORSED]

What is so different about biodiesel fuel ?
by DamianW
Sun Jan 28, 2018 6:20 pm
Forum: Environment, Fossil Fuels, Alternative Fuels
Topic: Energy Density
Replies: 5
Views: 412

Re: Energy Density

So the higher the density, the greater it’s capacity ?
by DamianW
Sun Jan 21, 2018 11:37 am
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Homework problem 8.59
Replies: 5
Views: 773

Re: Homework problem 8.59

How do we know when an element is in its standard form?
by DamianW
Sun Jan 21, 2018 1:59 am
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: 8.51
Replies: 5
Views: 166

Re: 8.51

How do you know when something is in its "most stable form"?
by DamianW
Sat Jan 20, 2018 11:22 am
Forum: Phase Changes & Related Calculations
Topic: How to calculate final temperature? (7.39)
Replies: 10
Views: 31159

Re: How to calculate final temperature? (7.39)

When solving for T, do you ever multiply anything to Tfinal?
by DamianW
Sun Jan 14, 2018 9:32 am
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Closed system and Midterm
Replies: 3
Views: 398

Re: Closed system and Midterm

So what’s an example of a closed system?
by DamianW
Sun Jan 14, 2018 9:24 am
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Systems
Replies: 7
Views: 273

Systems

What’s an example of an open system? Something other than a human body
by DamianW
Sun Jan 14, 2018 9:21 am
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Quiz 1 [ENDORSED]
Replies: 2
Views: 191

Quiz 1 [ENDORSED]

Will quiz 1 only cover topics from chapter 8?

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