Search found 46 matches

by 405021651
Sun Feb 03, 2019 8:39 pm
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Calorimeters
Replies: 2
Views: 52

Re: Calorimeters

These are the ones that I found

Adiabatic Calorimeters.
Reaction Calorimeters.
Bomb Calorimeters (Constant Volume Calorimeters)
Constant Pressure Calorimeters.
Differential Scanning Calorimeters.
by 405021651
Sun Feb 03, 2019 8:28 pm
Forum: Calculating Work of Expansion
Topic: Units for pressure
Replies: 10
Views: 93

Re: Units for pressure

Usually atm is used!
by 405021651
Sun Feb 03, 2019 8:27 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Hess's Law
Replies: 3
Views: 52

Re: Hess's Law

I don't believe I've done any homework problems involving this but I am not sure yet:/
by 405021651
Sun Jan 27, 2019 11:16 pm
Forum: Ideal Gases
Topic: Approximations for ICE
Replies: 20
Views: 193

Re: Approximations for ICE

when K is less than 10^3
by 405021651
Sun Jan 27, 2019 11:15 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Standard Temperature
Replies: 7
Views: 80

Re: Standard Temperature

25 Celcius plus 273 to get the kelvin
by 405021651
Sun Jan 27, 2019 11:14 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: pKa vs. pH
Replies: 15
Views: 212

Re: pKa vs. pH

The pKa is the -log(Ka)
by 405021651
Sun Jan 20, 2019 8:12 pm
Forum: Student Social/Study Group
Topic: test 1
Replies: 10
Views: 191

Re: test 1

It will be both outlines one and two!!!!!
by 405021651
Sun Jan 20, 2019 8:11 pm
Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
Topic: ICE Table Calculations
Replies: 4
Views: 50

Re: ICE Table Calculations

I believe that there could be more than 3 but no more than 6 usually
by 405021651
Sun Jan 20, 2019 8:10 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Water in ICE tables
Replies: 10
Views: 102

Re: Water in ICE tables

because it is a pure liquid!!!!
by 405021651
Sun Jan 13, 2019 10:00 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Equilibrium constant
Replies: 6
Views: 73

Re: Equilibrium constant

Kp is dealing with the pressure not essentially the concentration like Kc is
by 405021651
Sun Jan 13, 2019 9:59 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Question 5I 19
Replies: 2
Views: 44

Re: Question 5I 19

Is this question in the 7th edition of the book?
by 405021651
Sun Jan 13, 2019 9:58 pm
Forum: Non-Equilibrium Conditions & The Reaction Quotient
Topic: Solids and Liquids with the Reaction Quotient
Replies: 3
Views: 64

Re: Solids and Liquids with the Reaction Quotient

All oure solids and liquids do not have to bee included I believe.
by 405021651
Sun Dec 09, 2018 11:37 pm
Forum: DeBroglie Equation
Topic: DeBroglie Units
Replies: 1
Views: 106

Re: DeBroglie Units

kg is in SI units , grams is not
by 405021651
Sun Dec 09, 2018 11:36 pm
Forum: Sigma & Pi Bonds
Topic: Sigma vs. Pi
Replies: 8
Views: 232

Re: Sigma vs. Pi

The first bond is always a sigma and any bond thereafter is a pi bond
by 405021651
Sun Dec 09, 2018 11:35 pm
Forum: Hybridization
Topic: hybridization
Replies: 13
Views: 198

Re: hybridization

I would just count the number of electron densities
by 405021651
Sun Dec 09, 2018 11:34 pm
Forum: Properties & Structures of Inorganic & Organic Acids
Topic: Why HF is a weaker acid than HCl
Replies: 11
Views: 179

Re: Why HF is a weaker acid than HCl

does a bigger radius mean a stronger acid or is it the other way around??
by 405021651
Sun Dec 09, 2018 11:32 pm
Forum: Empirical & Molecular Formulas
Topic: Going from empirical to Molecular formula
Replies: 14
Views: 435

Re: Going from empirical to Molecular formula

The molecular formula can still be divided down to get simpler values while the empirical can not be
by 405021651
Sun Dec 02, 2018 10:20 pm
Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
Topic: Sigma and Pi Bonds
Replies: 6
Views: 125

Re: Sigma and Pi Bonds

yes! a double bond contains 1 sigma and 1 pi bond while a triple bond contains 1 sigma and 2 pi bonds so just add those up!!
by 405021651
Sun Dec 02, 2018 10:19 pm
Forum: Hybridization
Topic: hybridization
Replies: 13
Views: 198

Re: hybridization

count the number of electron densities then use "spppdd" and add one letter for each density. Ex. 1 region=s , 4 regions=sp^3, 5 regions=sp^3d
by 405021651
Sun Dec 02, 2018 10:16 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Square Planar
Replies: 12
Views: 155

Re: Square Planar

Bc the molecular shape of a square planer is octahedral with 90 degree angles then I believe thats why it should as well be 90 degrees
by 405021651
Sun Nov 25, 2018 9:31 pm
Forum: Sigma & Pi Bonds
Topic: Which bond would break first.
Replies: 13
Views: 274

Re: Which bond would break first.

would the sigma bond be weaker one so therefor break first??
by 405021651
Sun Nov 25, 2018 9:31 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Test
Replies: 5
Views: 92

Re: Test

I believe its chapters 3.12-2.16 and 4.1-4.7 for the 6th edition in the book
by 405021651
Sun Nov 25, 2018 9:30 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Test 3
Replies: 38
Views: 610

Re: Test 3

Will it be only topics on outline 3?
by 405021651
Sun Nov 18, 2018 10:39 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: lone pairs
Replies: 11
Views: 136

Re: lone pairs

The lone pair will take up more space so I believe its angle will increase while the other angles decrease
by 405021651
Sun Nov 18, 2018 10:33 pm
Forum: Properties of Light
Topic: Test 3
Replies: 24
Views: 453

Re: Test 3

I believe It will be everything in outline 4
by 405021651
Sun Nov 18, 2018 10:32 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: lone pair influence on shape
Replies: 12
Views: 148

Re: lone pair influence on shape

Lone pairs take up more space than a regular bond would take
by 405021651
Sun Nov 11, 2018 9:33 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm [ENDORSED]
Replies: 14
Views: 397

Re: Midterm [ENDORSED]

Someone on a different post mentioned that it was on the week of November 19th and week 9 which is not making any sense now.
by 405021651
Sun Nov 11, 2018 9:29 pm
Forum: General Science Questions
Topic: BruinCast [ENDORSED]
Replies: 4
Views: 280

Re: BruinCast [ENDORSED]

I'm sure more of the professors will post the slides so that will be helpful even without a bruin cast!!!!
by 405021651
Sun Nov 11, 2018 9:28 pm
Forum: Student Social/Study Group
Topic: Study Group Chat?
Replies: 4
Views: 85

Re: Study Group Chat?

Is there a group me for the group chat yet?*****
by 405021651
Sun Nov 11, 2018 9:27 pm
Forum: Student Social/Study Group
Topic: Study Group Chat?
Replies: 4
Views: 85

Re: Study Group Chat?

Is there a groupie group chat?
by 405021651
Sun Nov 04, 2018 10:53 pm
Forum: Formal Charge and Oxidation Numbers
Topic: Formal Charge on Central Atom
Replies: 9
Views: 144

Re: Formal Charge on Central Atom

I believe that all of the charges on the atoms (not just the central atom) should be 0
by 405021651
Sun Nov 04, 2018 10:52 pm
Forum: Lewis Structures
Topic: Garlic Bread 12a
Replies: 5
Views: 105

Re: Garlic Bread 12a

I believe the number of bond that you should use is the number that would give you a 0 FC
by 405021651
Sun Oct 28, 2018 8:31 pm
Forum: Ionic & Covalent Bonds
Topic: the Octet rule
Replies: 21
Views: 268

Re: the Octet rule

A half octet also makes a stable atom?
by 405021651
Sun Oct 28, 2018 8:30 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm
Replies: 11
Views: 194

Re: Midterm

Or will there be equal amount of questions from each outline?
by 405021651
Sun Oct 28, 2018 8:29 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm
Replies: 11
Views: 194

Re: Midterm

Will there be more questions over outline #3?
by 405021651
Sun Oct 28, 2018 8:28 pm
Forum: Properties of Light
Topic: Measuring Wavelength
Replies: 5
Views: 104

Re: Measuring Wavelength

But I have also seen different ranges of what is measurable or not but I would stick to that value from one of his videos
by 405021651
Sun Oct 28, 2018 8:27 pm
Forum: Properties of Light
Topic: Measuring Wavelength
Replies: 5
Views: 104

Re: Measuring Wavelength

I believe that it was specifically mentioned that we should not use anything less than 10^-15
by 405021651
Sun Oct 21, 2018 11:03 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Test Question
Replies: 8
Views: 106

Re: Test Question

I do not believe he will ask us to memorize the shapes but we should understand them
by 405021651
Sun Oct 21, 2018 11:01 pm
Forum: Administrative Questions and Class Announcements
Topic: Test 2
Replies: 8
Views: 144

Re: Test 2

I believe it is just everything on outline #2 so whatever information that includes
by 405021651
Sun Oct 14, 2018 7:24 pm
Forum: Einstein Equation
Topic: Numbers to memorize
Replies: 24
Views: 540

Re: Numbers to memorize

We will be given a formula sheet that will include those numbers!!
by 405021651
Sun Oct 14, 2018 7:23 pm
Forum: Properties of Light
Topic: Test 2
Replies: 17
Views: 242

Re: Test 2

When will test 2 be?
by 405021651
Sun Oct 14, 2018 7:22 pm
Forum: DeBroglie Equation
Topic: "Wave-like Properties" of Matter
Replies: 6
Views: 76

Re: "Wave-like Properties" of Matter

I would stick to nothing less than 10^-15 because gamma rays= 10^-12 so he mentioned 10^-15 is safer than 10^-18
by 405021651
Sun Oct 07, 2018 9:52 pm
Forum: Administrative Questions and Class Announcements
Topic: Number of questions on test one [ENDORSED]
Replies: 39
Views: 17373

Re: Number of questions on test one [ENDORSED]

8 Questions for 40 mins? ahh
by 405021651
Sun Oct 07, 2018 9:50 pm
Forum: Limiting Reactant Calculations
Topic: different ways to determine limiting reactant
Replies: 3
Views: 51

Re: different ways to determine limiting reactant

I think as long as we derive the answer we'll be fine but I'd use the one you're most comfortable with and for like tests just show your work regardless of the method

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