Search found 21 matches

by Emily Chiem_1B
Tue Mar 08, 2016 12:48 pm
Forum: *Alkanes and Substituted Alkanes (Staggered, Eclipsed, Gauche, Anti, Newman Projections)
Topic: Axial up or down
Replies: 2
Views: 402

Axial up or down

How do you know which hydrogens are supposed to be axial up or axial down?
by Emily Chiem_1B
Mon Feb 29, 2016 1:28 pm
Forum: *Electrophilic Addition
Topic: Rate limiting step
Replies: 1
Views: 309

Rate limiting step

How do you determine the rate limiting step in a electrophilic addition reaction?
by Emily Chiem_1B
Mon Feb 22, 2016 7:11 pm
Forum: *Free Energy of Activation vs Activation Energy
Topic: Pseudo equilibrium
Replies: 1
Views: 294

Pseudo equilibrium

When do you use the pseudo equilibrium constant?
by Emily Chiem_1B
Mon Feb 15, 2016 12:54 pm
Forum: Method of Initial Rates (To Determine n and k)
Topic: Units of k
Replies: 3
Views: 586

Units of k

How can you determine the units for k?
by Emily Chiem_1B
Mon Feb 08, 2016 1:50 pm
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: ln K equation
Replies: 2
Views: 474

ln K equation

Why are the number of moles not included in the lnK=FE/RT equation?
by Emily Chiem_1B
Mon Feb 01, 2016 1:27 pm
Forum: Balancing Redox Reactions
Topic: When to add H2O or OH-
Replies: 1
Views: 1305

When to add H2O or OH-

How do you know when to add H2O or OH- to balance the redox reactions?
by Emily Chiem_1B
Mon Jan 25, 2016 4:17 pm
Forum: Concepts & Calculations Using Second Law of Thermodynamics
Topic: Enthalpy of cyclopentane and 1-pentene
Replies: 1
Views: 329

Enthalpy of cyclopentane and 1-pentene

Why does 1-pentene have the higher standard molar entropy when compared to cyclopentane?
by Emily Chiem_1B
Tue Jan 19, 2016 3:13 pm
Forum: Calculating Standard Reaction Entropies (e.g. , Using Standard Molar Entropies)
Topic: Standard entropy of vaporization of water (HW 9.19)
Replies: 2
Views: 514

Standard entropy of vaporization of water (HW 9.19)

For each step (heating the water, and the phase change), do you use the same equation (S=C×ln(T2/T1)?
by Emily Chiem_1B
Tue Jan 12, 2016 9:03 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Enthalpy for hydrogenation of ethyne to ethane (HW 8.57)
Replies: 1
Views: 685

Enthalpy for hydrogenation of ethyne to ethane (HW 8.57)

The reaction enthalpies are given for certain molecules, but when writing the balanced equations for the reactions given, how do you determine what the given molecules are reacting with?
by Emily Chiem_1B
Tue Jan 05, 2016 8:57 pm
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Defining the system
Replies: 1
Views: 559

Defining the system

When a question asks if the system is open, closed, or isolated, will the specific system always be given or are there certain assumptions to be made?
by Emily Chiem_1B
Sat Dec 05, 2015 10:05 pm
Forum: Bond Lengths & Energies
Topic: Enthalpy
Replies: 1
Views: 390

Enthalpy

How can you determine which molecule has the highest enthalpy?
by Emily Chiem_1B
Tue Dec 01, 2015 8:18 pm
Forum: Identifying Acidic & Basic Salts
Topic: Salt acidic or basic?
Replies: 3
Views: 2092

Salt acidic or basic?

How can you determine if a salt is acidic or basic?
by Emily Chiem_1B
Tue Dec 01, 2015 8:14 pm
Forum: *Titrations & Titration Calculations
Topic: Titrant
Replies: 3
Views: 1183

Titrant

Is the titrant always either a strong acid or strong base? Or can it also be either a weak acid or base?
by Emily Chiem_1B
Tue Dec 01, 2015 8:10 pm
Forum: Bronsted Acids & Bases
Topic: Metal oxides
Replies: 2
Views: 445

Metal oxides

Do all metal oxides form hydroxide ions in water?
by Emily Chiem_1B
Tue Dec 01, 2015 8:06 pm
Forum: Polyprotic Acids & Bases
Topic: Second ionization
Replies: 1
Views: 384

Second ionization

How do you find the second ionization of an acid?
by Emily Chiem_1B
Wed Nov 18, 2015 5:22 pm
Forum: Naming
Topic: Order of ligands
Replies: 2
Views: 518

Order of ligands

What order do you put the ligands in when writing the chemical formula?
by Emily Chiem_1B
Sun Nov 15, 2015 8:52 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Making assumptions when K is small
Replies: 1
Views: 319

Making assumptions when K is small

When K is super small, do you have to make the assumption that x is also very small? Or can you just solve using the quadratic formula?
by Emily Chiem_1B
Sun Nov 15, 2015 8:50 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Polydentate
Replies: 1
Views: 310

Polydentate

How can you tell if a coordination compound is polydentate?
by Emily Chiem_1B
Thu Oct 29, 2015 11:40 am
Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
Topic: Molecular Orbital labeling
Replies: 1
Views: 184

Molecular Orbital labeling

When drawing out the molecular orbital diagram, it is necessary to include the row number? Or is it sufficient to just label it, for example, sigma S?
by Emily Chiem_1B
Wed Oct 21, 2015 11:53 pm
Forum: Bond Lengths & Energies
Topic: Pi bonds
Replies: 3
Views: 797

Pi bonds

Are pi bonds considered double bonds or do double bonds consists of both pi bonds and sigma bonds?
by Emily Chiem_1B
Wed Oct 07, 2015 5:58 pm
Forum: Electron Configurations for Multi-Electron Atoms
Topic: Effective nuclear charge
Replies: 2
Views: 408

Effective nuclear charge

Why is the effective nuclear charge in the p-orbital less than the effective nuclear charge in the s-orbital if they are both in the same shell?

Go to advanced search