Search found 20 matches

by Izzy Ick 4B
Sat Mar 12, 2016 10:21 am
Forum: *Free Energy of Activation vs Activation Energy
Topic: rate constant and Ea
Replies: 1
Views: 304

rate constant and Ea

When k the rate constant is increased why does Ea not change?
by Izzy Ick 4B
Sun Mar 06, 2016 2:25 pm
Forum: *Electrophiles
Topic: Why is CO2 an electrophile?
Replies: 1
Views: 423

Why is CO2 an electrophile?

Why is CO2 considered an electrophile?
by Izzy Ick 4B
Mon Feb 29, 2016 10:53 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 3 Winter 2016
Replies: 48
Views: 19329

Re: Quiz 3 Winter 2016

Do we need to know the information from pages 79-81 in the course reader?
by Izzy Ick 4B
Sun Feb 28, 2016 11:10 pm
Forum: *Alkenes
Topic: Naming alkenes
Replies: 1
Views: 326

Naming alkenes

For alkenes does it matter if we write something like 2-pentene instead of pent-2-ene?
by Izzy Ick 4B
Tue Feb 23, 2016 8:04 pm
Forum: *Alkynes
Topic: 4.3
Replies: 1
Views: 263

4.3

Why is CH4 (propdrawn with a triple bond instead of two carbon carbon double bonds?
by Izzy Ick 4B
Sun Feb 21, 2016 7:33 pm
Forum: *Free Energy of Activation vs Activation Energy
Topic: Whether a reaction will occur at room temperature
Replies: 2
Views: 2376

Whether a reaction will occur at room temperature

How do you tell if a reaction will take place at room temperature? I understand that it is low activation energy/small standard enthalpy of activation, but what is the range of these low/small values?
by Izzy Ick 4B
Sat Feb 20, 2016 11:56 pm
Forum: *Organic Reaction Mechanisms in General
Topic: Activated complex theory
Replies: 1
Views: 386

Activated complex theory

What is the significance of the activated complex theory for this unit?
by Izzy Ick 4B
Sun Feb 14, 2016 11:47 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Frequency Factors
Replies: 2
Views: 400

Frequency Factors

In the Arrhenius Equation where do you get the values for A, the frequency factors?
by Izzy Ick 4B
Tue Feb 02, 2016 12:14 am
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Electrode composition
Replies: 1
Views: 282

Electrode composition

Besides copper, what are other common metals electrodes can be made of?
This would be helpful to know when we need to use platinum/graphite in a cell diagram.
by Izzy Ick 4B
Sun Jan 31, 2016 4:45 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Salt bridges/porous discs
Replies: 1
Views: 275

Salt bridges/porous discs

Why is it that the salt bridge/porous disc only allows for the exchange of an ion such as SO4 2- and not a metal ion like Cu2+, like the example in the course reader?
by Izzy Ick 4B
Sun Jan 24, 2016 11:57 pm
Forum: Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy
Topic: Degeneracy for quiz 1
Replies: 1
Views: 321

Degeneracy for quiz 1

What do we need to know about degeneracy for the first quiz? Just to calculate total degeneracy (w1 x w2)? Will will be ever asked to find a value?
by Izzy Ick 4B
Sun Jan 17, 2016 11:04 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: What it means to be reversible/irreversible process
Replies: 1
Views: 265

What it means to be reversible/irreversible process

In an reversible or irreversible process, what exactly is the quality of the process that is able to be (or not to be) reversed?

i.e. why are they called this
by Izzy Ick 4B
Fri Jan 08, 2016 1:42 pm
Forum: Phase Changes & Related Calculations
Topic: Temperature vs. heat (heat content) vs. energy
Replies: 1
Views: 277

Temperature vs. heat (heat content) vs. energy

I understand that temperature and heat are different things but it would help if someone could explain that distinction and how they are related. Does an increase in temperature always lead to an increase in heat content. Or is it the other way around? Also, is energy just another term for heat cont...
by Izzy Ick 4B
Sun Dec 06, 2015 8:07 pm
Forum: *Titrations & Titration Calculations
Topic: Weak acid/strong base titrations with M(OH)2 bases
Replies: 1
Views: 449

Weak acid/strong base titrations with M(OH)2 bases

If you were doing a titration with a weak acid and a strong base like Ca(OH)2 (2x OH-), how would your calculations change when you are trying to find the pH of the solution?
by Izzy Ick 4B
Sun Nov 29, 2015 8:59 pm
Forum: Properties & Structures of Inorganic & Organic Acids
Topic: Acid strength-HClO4 vs H3PO4 (HW 12.51d)
Replies: 2
Views: 3205

Acid strength-HClO4 vs H3PO4 (HW 12.51d)

HW 12.51 part d

When you compare acids like HClO4 and H3PO4 that differ in multiple ways (number of H atoms, Cl v. P), how do you determine which one is stronger?
by Izzy Ick 4B
Fri Nov 20, 2015 8:41 pm
Forum: Lewis Acids & Bases
Topic: BF3 as a lewis acid
Replies: 1
Views: 1253

BF3 as a lewis acid

Why is BF3 considered a Lewis acid? Using the definition of Lewis acid we learned in class how is this the case?
by Izzy Ick 4B
Sun Nov 15, 2015 2:15 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Number of sites a ligand binds
Replies: 2
Views: 404

Number of sites a ligand binds

For polydentate ligands, how are you supposed to determine how many binding sites it has? Do you have to draw the lewis structure?
by Izzy Ick 4B
Sun Nov 01, 2015 11:51 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Cis and trans form of tetrahedral complex
Replies: 1
Views: 363

Cis and trans form of tetrahedral complex

Besides structural, what are the differences in between the cis and trans form of a tetrahedral complex?
by Izzy Ick 4B
Sat Oct 24, 2015 2:04 pm
Forum: Lewis Structures
Topic: Expanded Octet
Replies: 1
Views: 285

Expanded Octet

What is the maximum number of electrons that could surround any given central atom in a molecule with an expanded octet?
by Izzy Ick 4B
Thu Oct 01, 2015 8:27 pm
Forum: Photoelectric Effect
Topic: Wavelengths of photons
Replies: 3
Views: 417

Wavelengths of photons

What are the most common wavelengths of photons that are released when a sample bombarded with electrons?

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