Search found 20 matches

by Amy Perez 2K
Sat Mar 12, 2016 10:20 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Spontaneity
Replies: 1
Views: 323

Spontaneity

How do we determine if a reaction is spontaneous without looking at Gibbs?
by Amy Perez 2K
Fri Mar 04, 2016 10:54 am
Forum: *Nucleophilic Substitution
Topic: Nucleophillic Strength
Replies: 1
Views: 516

Nucleophillic Strength

How do you determine the nucleophillic strength for elements in the same column?
by Amy Perez 2K
Thu Feb 25, 2016 8:32 pm
Forum: *Alkanes
Topic: Transition steps
Replies: 1
Views: 153

Transition steps

How do we know from a question if the reaction will have an additional transition step in the reaction mechanism?
by Amy Perez 2K
Thu Feb 18, 2016 3:54 pm
Forum: Second Order Reactions
Topic: Rate
Replies: 1
Views: 360

Rate

What is the relationship between the second order and it's rate?
by Amy Perez 2K
Fri Feb 12, 2016 10:59 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Rate law
Replies: 2
Views: 354

Rate law

What does the "rate law" tell us, does it relate to 'k'?
by Amy Perez 2K
Thu Feb 04, 2016 7:26 am
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Concentration cell
Replies: 1
Views: 192

Concentration cell

What does it mean when a problem tells us that we are dealing about a concentration cell?
by Amy Perez 2K
Tue Jan 26, 2016 8:30 am
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 calculations
Replies: 1
Views: 233

Degeneracy calculations

How do you know when a molecule has different states when determining degeneracy?
by Amy Perez 2K
Fri Jan 22, 2016 7:30 am
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Solving for enthalpy
Replies: 1
Views: 156

Solving for enthalpy

How do we know which equation/method to use, to solve for enthalpy?
by Amy Perez 2K
Tue Jan 12, 2016 6:03 pm
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: State properties
Replies: 2
Views: 406

State properties

Why do work and heat have 'non-state properties' ?
by Amy Perez 2K
Thu Jan 07, 2016 8:33 pm
Forum: Phase Changes & Related Calculations
Topic: Enthalpy
Replies: 4
Views: 592

Enthalpy

Why is enthalpy considered a state function?
by Amy Perez 2K
Thu Dec 03, 2015 7:24 am
Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
Topic: pH change
Replies: 2
Views: 322

pH change

How do you know which molecules do not affect the pH of a solution?
by Amy Perez 2K
Fri Nov 27, 2015 8:32 am
Forum: Acidity & Basicity Constants and The Conjugate Seesaw
Topic: Conjugate bases/acids
Replies: 1
Views: 371

Conjugate bases/acids

How do you determine which is the conjugate acid/base as well as the stronger acid/base?
by Amy Perez 2K
Wed Nov 18, 2015 8:35 pm
Forum: Naming
Topic: Adding "-ate" to a metal
Replies: 5
Views: 701

Adding "-ate" to a metal

How do we know when to add "-ate" to the end of a metal? Does it have to do with the order of the complex?
by Amy Perez 2K
Fri Nov 13, 2015 7:08 am
Forum: Equilibrium Constants & Calculating Concentrations
Topic: K equilibrium
Replies: 2
Views: 318

K equilibrium

In which cases does the "k equilibrium" change? Why does it only change in some cases?
by Amy Perez 2K
Fri Nov 06, 2015 7:18 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Bond lengths
Replies: 3
Views: 531

Bond lengths

How do we determine how long or short a bond is?
by Amy Perez 2K
Fri Oct 30, 2015 4:40 pm
Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
Topic: Polar and Nonpolar bonds
Replies: 1
Views: 170

Polar and Nonpolar bonds

How do you determine whether a molecule is Polar or Nonpolar? What distinguishes the two?
by Amy Perez 2K
Fri Oct 23, 2015 7:21 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Double and triple bonds
Replies: 1
Views: 170

Double and triple bonds

In a double (or triple) bond, why is it that the region of electron density still equals one instead of two or three?
by Amy Perez 2K
Sun Oct 18, 2015 6:59 am
Forum: DeBroglie Equation
Topic: De Broglie's equation and Heisenberg's equation
Replies: 4
Views: 601

Re: De Broglie's equation and Heisenberg's equation

How do we know when to use which one, will it typically be stated in the question?
by Amy Perez 2K
Fri Oct 09, 2015 8:23 pm
Forum: Molarity, Solutions, Dilutions
Topic: Fundamental G
Replies: 1
Views: 370

Fundamental G

How do you find the molarity in a substance? (Ex. Calculate the mass of glucose needed to prepare 150. mL of 0.442 M C6H12O6 (aq). ) This is example G.2 in the book.
by Amy Perez 2K
Fri Oct 02, 2015 2:02 pm
Forum: DeBroglie Equation
Topic: De Broglie's equation and Heisenberg's equation
Replies: 4
Views: 601

De Broglie's equation and Heisenberg's equation

Given the equations, De Broglie's wave equation and Heisenberg's indeterminacy equation, how would we know which one to use and for what? Is it dependent on the fact that one is used for an object with a rest mass and the other isn't?

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