Search found 143 matches
- Thu Mar 12, 2020 1:11 pm
- Forum: Student Social/Study Group
- Topic: Week 10 Review Question
- Replies: 5
- Views: 446
Re: Week 10 Review Question
you have to use the ratios as well as the actual numbers and do stoichiometry
- Thu Mar 12, 2020 1:10 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: translational and rotational contribution from molecular motion
- Replies: 3
- Views: 295
Re: translational and rotational contribution from molecular motion
also just a reminder that the final is open book so if you don't get a chance to study this you will probably still be fine
- Thu Mar 12, 2020 1:07 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Frequency Factor
- Replies: 6
- Views: 455
Re: Frequency Factor
how likely it is for collisions to occur
- Thu Mar 12, 2020 1:05 pm
- Forum: Method of Initial Rates (To Determine n and k)
- Topic: Rate of the reverse reaction
- Replies: 3
- Views: 252
Re: Rate of the reverse reaction
i believe rate as it progresses
- Thu Mar 12, 2020 1:01 pm
- Forum: First Order Reactions
- Topic: 7A7
- Replies: 3
- Views: 278
Re: 7A7
they use different ratios and thus the units are different
- Thu Mar 12, 2020 12:52 pm
- Forum: General Rate Laws
- Topic: 7A.3
- Replies: 6
- Views: 427
Re: 7A.3
rates can never be negative. even if it is backward reaction the rate is positive
- Thu Mar 12, 2020 12:51 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Approximating X
- Replies: 13
- Views: 766
Re: Approximating X
if x is very small. i believe less than 5%
- Thu Mar 12, 2020 12:50 pm
- Forum: First Order Reactions
- Topic: equation derivations
- Replies: 9
- Views: 550
Re: equation derivations
there might be but the final is open book so.....
- Thu Mar 12, 2020 12:49 pm
- Forum: First Order Reactions
- Topic: Half Life Equations
- Replies: 10
- Views: 551
Re: Half Life Equations
i'm pretty sure they will be given but the final is also open book
- Thu Mar 12, 2020 12:46 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: 5I.29
- Replies: 3
- Views: 322
Re: 5I.29
ICE table where k is given. just like w concentrations
- Thu Mar 12, 2020 12:45 pm
- Forum: General Rate Laws
- Topic: Factors Affecting k
- Replies: 83
- Views: 4534
Re: Factors Affecting k
temperature is the only way to change k
- Thu Mar 12, 2020 12:30 pm
- Forum: General Rate Laws
- Topic: Rate limiting step
- Replies: 13
- Views: 733
Re: Rate limiting step
the slowest step that determines the rate of the reaction. cataylst in another step doesnt change rate of overall reaction
- Thu Mar 12, 2020 12:29 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: 6L5. B)
- Replies: 2
- Views: 203
Re: 6L5. B)
i think you need an inert metal that can be used as a solid
- Thu Mar 12, 2020 12:14 pm
- Forum: Method of Initial Rates (To Determine n and k)
- Topic: 7A.17
- Replies: 3
- Views: 278
Re: 7A.17
using the order of the reaction
- Thu Mar 12, 2020 12:13 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Review Powerpoint Partial pressure
- Replies: 3
- Views: 332
Re: Review Powerpoint Partial pressure
through the question's specifications
- Thu Mar 12, 2020 12:12 pm
- Forum: Method of Initial Rates (To Determine n and k)
- Topic: determining k
- Replies: 13
- Views: 535
Re: determining k
yes you can use any
- Thu Mar 12, 2020 12:12 pm
- Forum: Student Social/Study Group
- Topic: Final Exam
- Replies: 22
- Views: 1524
Re: Final Exam
lavelle wouldn't leave us in the dark and he will probably tell us everything we need to know
- Thu Mar 12, 2020 12:09 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Endo VS Exo
- Replies: 4
- Views: 397
Re: Endo VS Exo
activation energy for each should tell you
- Thu Mar 12, 2020 12:08 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: translational and rotational contribution from molecular motion
- Replies: 3
- Views: 295
Re: translational and rotational contribution from molecular motion
i really don't think so
- Thu Mar 12, 2020 12:01 pm
- Forum: General Rate Laws
- Topic: 7A.17
- Replies: 5
- Views: 364
Re: 7A.17
you need to cancel stuff out so need specific equations
- Thu Mar 12, 2020 11:59 am
- Forum: General Rate Laws
- Topic: When do we acknowledge temperature in identifying rate?
- Replies: 3
- Views: 342
- Thu Mar 12, 2020 11:54 am
- Forum: First Order Reactions
- Topic: question 7b.5
- Replies: 3
- Views: 244
Re: question 7b.5
i think the time conversion probably messed up the math
- Thu Mar 12, 2020 11:53 am
- Forum: Method of Initial Rates (To Determine n and k)
- Topic: 7A.11) 700K?
- Replies: 6
- Views: 459
Re: 7A.11) 700K?
temperature does not affect rate law
- Thu Mar 12, 2020 11:53 am
- Forum: General Rate Laws
- Topic: When do we acknowledge temperature in identifying rate?
- Replies: 3
- Views: 342
Re: When do we acknowledge temperature in identifying rate?
https://chem.libretexts.org/Bookshelves ... rown_et_al.)/14%3A_Chemical_Kinetics/14.5%3A_Temperature_and_Rate
this article may help answer ur question
this article may help answer ur question
- Thu Mar 12, 2020 11:51 am
- Forum: Zero Order Reactions
- Topic: All reactants zero order?
- Replies: 7
- Views: 589
Re: All reactants zero order?
very rare but yes it can occur
- Thu Mar 12, 2020 11:50 am
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Battery
- Replies: 19
- Views: 2258
Re: Battery
yes thus meaning it can do no work
- Thu Mar 12, 2020 11:49 am
- Forum: General Rate Laws
- Topic: Units of time
- Replies: 5
- Views: 382
Re: Units of time
through dimensional analysis you can use any units you would like
- Thu Mar 12, 2020 11:48 am
- Forum: Method of Initial Rates (To Determine n and k)
- Topic: How to determine order
- Replies: 3
- Views: 233
Re: How to determine order
use the graphs or know the units of the rate constant and determine that way
- Thu Mar 12, 2020 11:48 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: How do you know a cell can do work?
- Replies: 7
- Views: 454
Re: How do you know a cell can do work?
there has to be a difference in cell potential
- Thu Mar 12, 2020 11:46 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Internal energy of ideal gas
- Replies: 6
- Views: 488
Re: Internal energy of ideal gas
the change is 0 but not the internal energy
- Thu Mar 12, 2020 11:44 am
- Forum: General Rate Laws
- Topic: Rate Determining Step
- Replies: 5
- Views: 336
Re: Rate Determining Step
yes it is the slow step
- Thu Mar 12, 2020 11:42 am
- Forum: Method of Initial Rates (To Determine n and k)
- Topic: 7b.3c - where did the ln come from?
- Replies: 6
- Views: 370
Re: 7b.3c - where did the ln come from?
rate law equation asks for it
- Thu Mar 12, 2020 11:38 am
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: U vs H
- Replies: 15
- Views: 1164
Re: U vs H
delta u is change in energy delta h is change in enthalpy
- Thu Mar 12, 2020 11:27 am
- Forum: First Order Reactions
- Topic: Units for t
- Replies: 30
- Views: 1164
Re: Units for t
i think it depends on what the problem asks for. most times in calculations it is seconds
- Thu Mar 12, 2020 11:23 am
- Forum: General Rate Laws
- Topic: 7A.3A Reaction Concentration
- Replies: 3
- Views: 317
Re: 7A.3A Reaction Concentration
you have to find the order equation and mentally do the math
- Thu Mar 12, 2020 11:20 am
- Forum: Second Order Reactions
- Topic: Finding out order
- Replies: 22
- Views: 948
Re: Finding out order
yeah i think the units will help you determine order
- Thu Mar 12, 2020 11:19 am
- Forum: Ideal Gases
- Topic: Acids and Basis: Salts
- Replies: 9
- Views: 610
Re: Acids and Basis: Salts
you have to use the ICE table
- Thu Mar 12, 2020 11:18 am
- Forum: Ideal Gases
- Topic: Partial Pressure
- Replies: 13
- Views: 689
Re: Partial Pressure
yes because of le chatelier's principle
- Thu Mar 12, 2020 11:17 am
- Forum: Balancing Redox Reactions
- Topic: Oxygen
- Replies: 12
- Views: 619
Re: Oxygen
just oxygen would form o2 which is 0
- Thu Mar 12, 2020 11:16 am
- Forum: General Rate Laws
- Topic: Units
- Replies: 4
- Views: 358
Re: Units
rate constant units are determined by order of reaction
- Thu Mar 12, 2020 11:11 am
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Units
- Replies: 8
- Views: 2837
Re: Units
yes. a good way to determine it is one of the first homework problems in 7A
- Thu Mar 12, 2020 11:08 am
- Forum: Administrative Questions and Class Announcements
- Topic: Final
- Replies: 12
- Views: 769
Re: Final
i don't think we will have to worry about the final submission. lavelle will probably send us a detailed email about it
- Thu Mar 12, 2020 11:07 am
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Kelvin or Celsius?
- Replies: 86
- Views: 5157
Re: Kelvin or Celsius?
kelvin because the gas constant R is in K. sometimes it is in C and in that case u would use C
- Thu Mar 12, 2020 11:06 am
- Forum: Zero Order Reactions
- Topic: Zeroeth, First, Second meaning
- Replies: 6
- Views: 597
Re: Zeroeth, First, Second meaning
first order means that rate of reaction is proportional to concentration of reacting substance
- Thu Mar 12, 2020 11:05 am
- Forum: Zero Order Reactions
- Topic: Identifying Zero vs. First vs. Second Order Reactions
- Replies: 7
- Views: 509
Re: Identifying Zero vs. First vs. Second Order Reactions
once you start becoming more comfortable with the problems you will notice trends that allow you to determine the reaction order
- Thu Mar 12, 2020 11:05 am
- Forum: Zero Order Reactions
- Topic: Graphs
- Replies: 13
- Views: 1308
Re: Graphs
https://www.google.com/imgres?imgurl=https%3A%2F%2F1.bp.blogspot.com%2F-_XcWqfhtcn8%2FVss-Lnj0qGI%2FAAAAAAAABhg%2FIiyOwqytWVM%2Fs1600%2Fkinetics.gif&imgrefurl=https%3A%2F%2Fderekcarrsavvy-chemist.blogspot.com%2F2016%2F02%2Freaction-kinetics-5-kinetics-and.html&docid=SB3--EsTIdfdIM&tbnid=...
- Thu Mar 12, 2020 11:03 am
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Textbook question 7.17
- Replies: 4
- Views: 322
Re: Textbook question 7.17
the reaction rate is determined by the rate determining step
- Thu Mar 12, 2020 11:02 am
- Forum: Second Order Reactions
- Topic: Graphs
- Replies: 9
- Views: 726
Re: Graphs
https://www.google.com/imgres?imgurl=https%3A%2F%2F1.bp.blogspot.com%2F-_XcWqfhtcn8%2FVss-Lnj0qGI%2FAAAAAAAABhg%2FIiyOwqytWVM%2Fs1600%2Fkinetics.gif&imgrefurl=https%3A%2F%2Fderekcarrsavvy-chemist.blogspot.com%2F2016%2F02%2Freaction-kinetics-5-kinetics-and.html&docid=SB3--EsTIdfdIM&tbnid=...
- Thu Mar 12, 2020 11:01 am
- Forum: Entropy Changes Due to Changes in Volume and Temperature
- Topic: Thermodynamics problem 4.58
- Replies: 2
- Views: 232
Re: Thermodynamics problem 4.58
i think you can assume that. im not entirely sure though
- Thu Mar 12, 2020 11:00 am
- Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
- Topic: 6.73 Homework Help
- Replies: 1
- Views: 167
Re: 6.73 Homework Help
in high school we had to memorize a bunch of terms like this but im not sure what lavelle wants
- Thu Mar 12, 2020 11:00 am
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Textbook question 7.23
- Replies: 2
- Views: 255
Re: Textbook question 7.23
ph is concentration of H+ and if it increases then OH- increases because it is becoming more basic
- Thu Mar 12, 2020 10:57 am
- Forum: Administrative Questions and Class Announcements
- Topic: Take Home Final
- Replies: 16
- Views: 974
Re: Take Home Final
i think it will have a large window of time for submission but not entirely sure
- Sun Feb 02, 2020 11:58 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: equation
- Replies: 2
- Views: 158
Re: equation
when using heat capacity to determine amount of energy/heat
- Sun Feb 02, 2020 11:57 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: taking phase change into account
- Replies: 5
- Views: 148
Re: taking phase change into account
you need to account for the amount of energy required to actually shift from one phase to another. ice has a specific heat capacity and water has one. it accounts for the transition state
- Sun Feb 02, 2020 11:56 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Intensive vs Extensive properties
- Replies: 2
- Views: 161
Re: Intensive vs Extensive properties
intensive properties don't depend on size of matter whereas extensive do. specific heat vs heat capacity
- Sun Feb 02, 2020 11:56 pm
- Forum: Calculating Work of Expansion
- Topic: Intergral
- Replies: 6
- Views: 326
Re: Intergral
i dont think we actually have to do this in 14b
- Sun Feb 02, 2020 11:54 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: constant pressure
- Replies: 1
- Views: 51
Re: constant pressure
i believe this might be too complex for 14B but here is a link i found
https://www.physicsforums.com/threads/u ... nt.534257/
https://www.physicsforums.com/threads/u ... nt.534257/
- Sun Feb 02, 2020 11:53 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Hess's Law
- Replies: 7
- Views: 477
Re: Hess's Law
you are given equations with their delta h. you add the equations to make the final equation you want and then you add up all of the individual delta H's
- Sun Feb 02, 2020 11:52 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Piston Example
- Replies: 3
- Views: 125
Re: Piston Example
i dont know if ur talking about this one. but basically it explained that increasing pressure by adding an inert gas does not change which side the reaction shifts to
- Sun Feb 02, 2020 11:51 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: ∆U
- Replies: 8
- Views: 353
Re: ∆U
change in internal energy
- Sun Jan 26, 2020 11:50 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: pressure and enthalpy
- Replies: 5
- Views: 203
Re: pressure and enthalpy
when pressure increases so does enthalpy
- Sun Jan 26, 2020 11:49 pm
- Forum: Phase Changes & Related Calculations
- Topic: phase changes
- Replies: 5
- Views: 120
Re: phase changes
the enthalpy of the phase change should be given
- Sun Jan 26, 2020 11:49 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Standard enthalpy of formation
- Replies: 1
- Views: 64
Re: Standard enthalpy of formation
graphite has standard enthalpy of 0
- Sun Jan 26, 2020 11:48 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Method of calculating
- Replies: 3
- Views: 130
Re: Method of calculating
i think it might be the standard enthalpy of formation
- Sun Jan 26, 2020 11:47 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Standard Reaction Enthalpies
- Replies: 3
- Views: 265
Re: Standard Reaction Enthalpies
i think they have to tell you
- Sun Jan 26, 2020 11:47 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Standard Reaction Enthalpies
- Replies: 3
- Views: 265
Re: Standard Reaction Enthalpies
i think they have to tell you
- Sun Jan 19, 2020 6:43 pm
- Forum: Student Social/Study Group
- Topic: Notes for 1/15 Wednesday
- Replies: 1
- Views: 158
Re: Notes for 1/15 Wednesday
i can send u mine if u email me at tanmaysinghal@g.ucla.edu
- Sun Jan 19, 2020 6:39 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: pH vs. pOH
- Replies: 13
- Views: 378
Re: pH vs. pOH
pH+pOH=14 and pOH = -log[OH-}
- Sun Jan 19, 2020 6:35 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: question 6B.7
- Replies: 4
- Views: 299
Re: question 6B.7
i believe it is 10^(of the ph)
- Sun Jan 19, 2020 6:31 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Buffer
- Replies: 6
- Views: 318
Re: Buffer
helps control pH of a solution
- Sun Jan 19, 2020 6:31 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Titration
- Replies: 3
- Views: 117
Re: Titration
i dont think so
- Sun Jan 12, 2020 2:57 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Kc vs Kp
- Replies: 10
- Views: 242
Re: Kc vs Kp
I'm confused on why water isn't counted in the K/Q equation.
- Sun Jan 12, 2020 2:34 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: ICE tables
- Replies: 1
- Views: 96
Re: ICE tables
i don't think we learned how to do ice tables with partial pressures yet
- Sun Jan 12, 2020 2:32 pm
- Forum: Ideal Gases
- Topic: Partial Pressure
- Replies: 4
- Views: 122
Re: Partial Pressure
i dont think we have to know how to calculate it yet but i believe the total pressure of a system is the sum of all the partial pressures
- Sun Jan 12, 2020 2:29 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Homogenous Equilibrium
- Replies: 13
- Views: 337
Re: Homogenous Equilibrium
homogenous is all the products and reactants are in the same phase. it is heterogenous if even one of the products or reactants is in a different phase.
- Sun Jan 12, 2020 2:27 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: ICE tables and the quadratic equation [ENDORSED]
- Replies: 3
- Views: 228
Re: ICE tables and the quadratic equation [ENDORSED]
I believe you use the quadratic equation
- Sun Dec 01, 2019 10:39 pm
- Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
- Topic: Bond strength and strength of acid.
- Replies: 6
- Views: 415
Re: Bond strength and strength of acid.
i think the weaker the bond the stronger the acid
- Sun Dec 01, 2019 10:37 pm
- Forum: Acidity & Basicity Constants and The Conjugate Seesaw
- Topic: Ka & Entropy
- Replies: 1
- Views: 52
Re: Ka & Entropy
Ka depends on temperature
- Sun Dec 01, 2019 10:34 pm
- Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
- Topic: Hydrogen Bond Sites
- Replies: 5
- Views: 357
Re: Hydrogen Bond Sites
i think it’s just the number
- Sun Dec 01, 2019 10:31 pm
- Forum: Industrial Examples
- Topic: For the Final
- Replies: 3
- Views: 776
Re: For the Final
i would think just the ones he covered in class or that are in the textbook
- Sun Dec 01, 2019 10:30 pm
- Forum: Student Social/Study Group
- Topic: Studying Videos
- Replies: 3
- Views: 216
Re: Studying Videos
i really like crash course
- Sun Nov 24, 2019 9:28 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: melting point
- Replies: 8
- Views: 602
Re: melting point
the melting point would decrease
- Sun Nov 24, 2019 9:23 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: Fundamentals
- Replies: 5
- Views: 486
Re: Fundamentals
i think you should probably ask a TA or the professor
- Sun Nov 24, 2019 9:22 pm
- Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
- Topic: Formula for Ep
- Replies: 2
- Views: 104
Re: Formula for Ep
it is always favorable
- Sun Nov 24, 2019 9:21 pm
- Forum: Hybridization
- Topic: hybridization number
- Replies: 5
- Views: 302
- Sun Nov 24, 2019 9:21 pm
- Forum: Lewis Acids & Bases
- Topic: How to calculate pH and pOH
- Replies: 2
- Views: 282
Re: How to calculate pH and pOH
find the concentration of hydrogen in the solution then take the negative log of the concentration
- Sun Nov 24, 2019 9:20 pm
- Forum: Properties & Structures of Inorganic & Organic Acids
- Topic: Indicators of oxides
- Replies: 2
- Views: 187
Re: Indicators of oxides
basic oxides are always attached to a metal. acidic are nonmetal.
- Sun Nov 24, 2019 9:19 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Coordination Numbers
- Replies: 4
- Views: 301
Re: Coordination Numbers
i don't believe so
- Sun Nov 17, 2019 10:24 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: VSEPR shapes
- Replies: 3
- Views: 146
Re: VSEPR shapes
i believe thats it
- Sun Nov 17, 2019 10:21 pm
- Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
- Topic: dipole-induced dipoles
- Replies: 2
- Views: 169
Re: dipole-induced dipoles
when a dipole molecule pulls electron from a non-dipole molecule
- Sun Nov 17, 2019 10:17 pm
- Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
- Topic: CH2Cl2
- Replies: 1
- Views: 134
Re: CH2Cl2
i think because of the electronegativity difference in chlorine and carbon
- Sun Nov 17, 2019 10:13 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Molecular Shape
- Replies: 3
- Views: 183
Re: Molecular Shape
2 pairs of lone electrons means t-shaped and 1 lone pair is trigonal pyramidal
- Sun Nov 17, 2019 10:12 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Polarity
- Replies: 2
- Views: 168
Re: Polarity
i think some molecular geometries are made based on lone pairs and polar molecules
- Sun Nov 10, 2019 5:59 pm
- Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
- Topic: Temporary vs. Permanent Dipole
- Replies: 3
- Views: 208
Re: Temporary vs. Permanent Dipole
permanent dipole is within a molecule where the EN difference is big enough. temporary is between two molecules that keeps breaking and forming.
- Sun Nov 10, 2019 5:57 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Shape of Orbitals
- Replies: 2
- Views: 306
Re: Shape of Orbitals
i think s and p and d yes but not f
- Sun Nov 10, 2019 5:45 pm
- Forum: *Shrodinger Equation
- Topic: Shrodinger Equation
- Replies: 4
- Views: 429
Re: Shrodinger Equation
shows you orbital shape, energy level. you get n, l, and ml.
- Sun Nov 10, 2019 5:43 pm
- Forum: Dipole Moments
- Topic: Dipole Moment
- Replies: 6
- Views: 143
Re: Dipole Moment
no. dipole moment is temporary.
- Sun Nov 10, 2019 5:40 pm
- Forum: Electronegativity
- Topic: Electron Affinity and Electronegativity
- Replies: 7
- Views: 397
Re: Electron Affinity and Electronegativity
electron affinity is how much an atom wants an electron. electronegativity is how much an atom pulls an electron in a molecule.
- Sun Nov 10, 2019 5:32 pm
- Forum: Ionic & Covalent Bonds
- Topic: London Dispersion
- Replies: 13
- Views: 634
Re: London Dispersion
every molecule has london dispersion forces
- Sun Nov 10, 2019 5:30 pm
- Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
- Topic: London dispersion
- Replies: 4
- Views: 235
Re: London dispersion
every molecule has LDF