Search found 10 matches

by hannah_flagg_3F
Sat Mar 18, 2017 9:14 pm
Forum: *Cyclohexanes (Chair, Boat, Geometric Isomers)
Topic: Boat Conformation
Replies: 1
Views: 2302

Boat Conformation

I know when writing the chair conformation, you start with an up axial and switch between up and down as you go around, then the equatorial is the opposite, however, the boat conformation does not seem to follow this same pattern, so is there a pattern to the bat conformation, or should we just reme...
by hannah_flagg_3F
Sat Mar 18, 2017 9:09 pm
Forum: Balancing Redox Reactions
Topic: H^+ ions and H20
Replies: 1
Views: 221

H^+ ions and H20

When writing the equilibrium constant, when do you include the H20's and H+ ions? Because I've noticed in some problems you include them, and in some you do not.
by hannah_flagg_3F
Mon Mar 13, 2017 2:26 am
Forum: *Ketones
Topic: Naming
Replies: 1
Views: 537


When naming ketones, does the number have to go in the middle, or can it go in front? For example, does it have to be pentan-2-one or can it be 2-pentanone?
by hannah_flagg_3F
Sun Mar 05, 2017 3:41 pm
Forum: *Alkanes
Topic: quiz 3 naming organic molecules
Replies: 2
Views: 305

quiz 3 naming organic molecules

For the quiz, do we have to use common or systematic naming? Or will we have to know both and the question will tell us which one to write?
by hannah_flagg_3F
Wed Feb 22, 2017 6:06 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Rate Law
Replies: 2
Views: 360

Rate Law

When a problem asks for the rate law of the overall reaction and you are given the slow step with a chemical reaction, a fast step with a chemical reaction, and the overall reaction, do you only write the rate law based off the slow step?
by hannah_flagg_3F
Wed Feb 22, 2017 6:04 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Slow vs Fast reaction
Replies: 1
Views: 243

Slow vs Fast reaction

When given the steps with chemical equations, how can you tell which one is the fast one and which one is the slow one?
by hannah_flagg_3F
Sun Feb 12, 2017 4:25 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Half reactions for galvanic cells
Replies: 1
Views: 180

Half reactions for galvanic cells

When writing the half reactions for galvanic cells, how do you know which element comes first? Also, are the electrons always on the left hand of the equation?
by hannah_flagg_3F
Mon Jan 30, 2017 11:18 am
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Problem 8.31
Replies: 1
Views: 203

Problem 8.31

The problem asks you to calculate the heat released by 5.025 g of Kr(g) at 0.400 atm as it cools from 97.6 C to 25 C at (a) a constant pressure and (b) a constant volume. Now, I know you use the formula Cp=5/2R to solve for the heat capacity for constant pressure and Cp=3/2R to solve for the heat ca...
by hannah_flagg_3F
Sun Jan 22, 2017 10:27 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Homework 8.73 a
Replies: 3
Views: 398

Homework 8.73 a

In the solution manual, it says the only bonds broken are double bonds between two carbon atoms, however, there are also hydrogen molecules in the formula for the reactants, why is this?
by hannah_flagg_3F
Sun Jan 15, 2017 7:33 pm
Forum: Phase Changes & Related Calculations
Topic: Bond Enthalpies
Replies: 1
Views: 197

Bond Enthalpies

In using bond enthalpies to calculate delta h of the reaction, how do you determine which bonds are broken or formed? Do you just break all of them and reform them after the reaction or is there a way to tell which ones to break and which ones to form?

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