Search found 52 matches
- Sat Mar 16, 2019 8:30 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Exergonic
- Replies: 2
- Views: 256
Exergonic
is exergonic deltaG<0?
- Sat Mar 16, 2019 8:29 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Endergonic
- Replies: 2
- Views: 245
Endergonic
is endergonic deltaG>0?
- Sat Mar 16, 2019 8:27 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Activation Energy
- Replies: 3
- Views: 367
Activation Energy
does the activation energy have an inverse relationship with the reaction rate?
- Sun Mar 10, 2019 4:12 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Catalysts
- Replies: 6
- Views: 779
Catalysts
Does a catalyst make a reaction faster or slower?
- Sun Mar 10, 2019 4:11 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Activation Energy
- Replies: 3
- Views: 338
Activation Energy
If the activation energy increases then does that mean that the reaction rate decreases?
- Sun Mar 10, 2019 4:10 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Arrhenius Equation
- Replies: 1
- Views: 208
Arrhenius Equation
So does the Arrhenius Equation show the relationship between temperature and reaction rate?
- Sun Mar 03, 2019 4:23 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Battery
- Replies: 2
- Views: 397
Battery
Is an electrolytic cell the same thing as a rechargeable battery?
- Sun Mar 03, 2019 4:22 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Non-Spontaneous
- Replies: 3
- Views: 457
Non-Spontaneous
Do electrolytic cells usually help drive a non-spontaneous redox reaction?
- Sun Mar 03, 2019 4:21 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Electrolysis
- Replies: 4
- Views: 544
Electrolysis
Quick recap so electrolysis electrical energy is converted into chemical energy?
- Sun Feb 24, 2019 3:09 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Electrode Metal
- Replies: 1
- Views: 192
Electrode Metal
Instead of using Pt(s) and you use C(gr) when writing a cell diagram for the electrode metal?
- Sun Feb 24, 2019 3:06 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Volts
- Replies: 2
- Views: 287
Volts
does Volts=J/coulomb?
- Sun Feb 24, 2019 3:04 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Not at Equilibrium
- Replies: 3
- Views: 399
Not at Equilibrium
When the equation is not at equilibrium do you use "deltaG=-RTLnQ?
- Sun Feb 17, 2019 10:37 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Battery
- Replies: 5
- Views: 526
Battery
Hello, does anyone know if a battery would be considered as a closed system or an isolated system?
- Sun Feb 17, 2019 10:33 pm
- Forum: Student Social/Study Group
- Topic: Test
- Replies: 17
- Views: 1603
Test
Does anyone know what the next test is going to be on?
- Sun Feb 17, 2019 10:31 pm
- Forum: Student Social/Study Group
- Topic: Serenade
- Replies: 2
- Views: 469
Re: Serenade
JAJAJA Yaaas Katelin!
- Sat Feb 09, 2019 9:29 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: K = 1
- Replies: 2
- Views: 353
K = 1
if K equals 1 does that mean the reaction has an intermediate amount of product and reactants?
- Sat Feb 09, 2019 9:20 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Reverse Reaction
- Replies: 8
- Views: 802
Reverse Reaction
what is the equation for calculating the reverse reaction?
- Sat Feb 09, 2019 9:18 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Units
- Replies: 6
- Views: 994
Units
Are there units for an equilibrium expression?
- Sun Feb 03, 2019 12:18 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Adiabatic
- Replies: 4
- Views: 507
Adiabatic
What does adiabatic mean?
- Sun Feb 03, 2019 12:17 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Isobaric
- Replies: 2
- Views: 315
Isobaric
What does Isobaric mean?
- Sun Feb 03, 2019 12:17 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Isochoric
- Replies: 4
- Views: 503
Isochoric
What does isochoric mean?
- Sun Jan 27, 2019 5:22 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Heat Capacity
- Replies: 1
- Views: 185
Heat Capacity
Is Molar Heat Capacity an intensive property or extensive?
- Sun Jan 27, 2019 5:21 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Heat Capacity
- Replies: 8
- Views: 789
Heat Capacity
Is heat capacity (C) an extensive property?
- Sun Jan 27, 2019 5:17 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: State Properties
- Replies: 3
- Views: 340
State Properties
Is heat considered a state property?
- Sun Jan 27, 2019 5:07 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: ICE
- Replies: 19
- Views: 1517
ICE
what does E stand for again in an ICE box?
- Sun Jan 27, 2019 5:06 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Inert Gas
- Replies: 6
- Views: 605
Inert Gas
What happens when an inert gas is added? What happens to the equilibrium?
- Sun Jan 27, 2019 5:03 pm
- Forum: Ideal Gases
- Topic: Calculating partial pressure
- Replies: 4
- Views: 413
Calculating partial pressure
Does anyone know how to calculate the partial pressure but with only t and r?
- Sat Jan 12, 2019 7:54 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Change in concentration
- Replies: 3
- Views: 137
Change in concentration
If the concentration changes then does K change?
- Sat Jan 12, 2019 7:47 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: solids & liquids
- Replies: 5
- Views: 463
solids & liquids
Why do we ignore the solids and the liquids when finding k?
- Sat Jan 12, 2019 7:46 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: (aq) in calculating K
- Replies: 9
- Views: 1380
(aq) in calculating K
Does anyone know what we do when there is an (aq) in the chemical equation?
- Tue Nov 27, 2018 8:03 pm
- Forum: Ionic & Covalent Bonds
- Topic: Polar and Nonpolar
- Replies: 3
- Views: 306
Polar and Nonpolar
Hello,
How can I tell when something is non polar of polar?
How can I tell when something is non polar of polar?
- Tue Nov 27, 2018 8:01 pm
- Forum: Dipole Moments
- Topic: Dipole-Dipole
- Replies: 3
- Views: 333
Dipole-Dipole
Hello,
How do I know when a lewis structure has a dipole-dipole moment?
How do I know when a lewis structure has a dipole-dipole moment?
- Tue Nov 27, 2018 7:57 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Exam
- Replies: 3
- Views: 411
Exam
hey,
does anyone know what's going to be on the exam?
does anyone know what's going to be on the exam?
- Sun Nov 11, 2018 10:19 pm
- Forum: Ionic & Covalent Bonds
- Topic: Hydrogen bond
- Replies: 3
- Views: 389
Hydrogen bond
Does anyone know the requirements to have a hydrogen bond?
Thank You!
Thank You!
- Sun Nov 11, 2018 10:12 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Molecular Shape
- Replies: 5
- Views: 618
Molecular Shape
Hello,
How can I tell apart when it is linear or bent/angular? thank you!
How can I tell apart when it is linear or bent/angular? thank you!
- Sun Nov 11, 2018 10:06 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Molecular Shape
- Replies: 6
- Views: 862
Molecular Shape
Hey,
Can someone tell me what type of interactions are the dashed lines mean when drawing out the molecule?
Thanks!
Can someone tell me what type of interactions are the dashed lines mean when drawing out the molecule?
Thanks!
- Sun Nov 04, 2018 11:30 pm
- Forum: Lewis Structures
- Topic: Lewis Structures
- Replies: 3
- Views: 336
Lewis Structures
hey,
Does anyone know how I can use Lewis structures to determine if a molecule is polar or nonpolar?
Does anyone know how I can use Lewis structures to determine if a molecule is polar or nonpolar?
- Sun Nov 04, 2018 11:28 pm
- Forum: Dipole Moments
- Topic: Polar and Nonpolar
- Replies: 7
- Views: 813
Polar and Nonpolar
hello,
Does anyone how I can tell when a molecule is polar or nonpolar?
Does anyone how I can tell when a molecule is polar or nonpolar?
- Sun Nov 04, 2018 11:25 pm
- Forum: Ionic & Covalent Bonds
- Topic: Ionic and Covalent
- Replies: 3
- Views: 495
Ionic and Covalent
Hey,
Does anyone know how I can tell ionic and covalent bonds apart? Thanks
Does anyone know how I can tell ionic and covalent bonds apart? Thanks
- Thu Oct 25, 2018 11:39 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Exam
- Replies: 7
- Views: 940
Exam
Hello,
Does anyone know if there are questions on the exam about orbitals?
Does anyone know if there are questions on the exam about orbitals?
- Thu Oct 25, 2018 11:37 pm
- Forum: Heisenberg Indeterminacy (Uncertainty) Equation
- Topic: Using Heisenberg's Equation
- Replies: 3
- Views: 443
Using Heisenberg's Equation
Hi,
I am confused on which heisenberg's equation I should use for uncertainty problems, are both of the equations the same (deltax*deltap > h/4π and h/2π)?
Thank you
I am confused on which heisenberg's equation I should use for uncertainty problems, are both of the equations the same (deltax*deltap > h/4π and h/2π)?
Thank you
- Thu Oct 25, 2018 11:30 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Exam
- Replies: 2
- Views: 250
Exam
Hey,
Does anyone know if we need schrodinger's equation for the exam?
Does anyone know if we need schrodinger's equation for the exam?
- Sun Oct 21, 2018 11:26 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Orbitals
- Replies: 2
- Views: 218
Orbitals
Can anyone explain the steps I should take to solve an orbital problem I am still confused on how to solve them. Thank you!
- Sun Oct 21, 2018 11:22 pm
- Forum: *Black Body Radiation
- Topic: Black Body Radiation
- Replies: 4
- Views: 841
Black Body Radiation
I have been wondering what black body radiation is. Can anyone please explain it to me?
- Sun Oct 21, 2018 11:21 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: 7th Edition HW 1E.5
- Replies: 1
- Views: 193
7th Edition HW 1E.5
Can anyone show me the steps to solving problem 1E.5? Please :)
- Sun Oct 14, 2018 11:03 pm
- Forum: Properties of Electrons
- Topic: 7th Edition HW 1E.9
- Replies: 2
- Views: 230
7th Edition HW 1E.9
Hey,
Has anyone done 1E.9? what are the steps to solving it?
Has anyone done 1E.9? what are the steps to solving it?
- Sun Oct 14, 2018 10:58 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: 7th Edition HW 1D.21
- Replies: 3
- Views: 371
7th Edition HW 1D.21
Hello,
Could anyone show me how to solve 1D.21?
Could anyone show me how to solve 1D.21?
- Sun Oct 14, 2018 10:44 pm
- Forum: Properties of Light
- Topic: 7th Edition HW 1B.27
- Replies: 1
- Views: 80
7th Edition HW 1B.27
Hey guys,
Has anyone done question 1B. 27? Does anyone know how to solve for minimum uncertainty?
Has anyone done question 1B. 27? Does anyone know how to solve for minimum uncertainty?
- Thu Oct 04, 2018 10:52 pm
- Forum: Molarity, Solutions, Dilutions
- Topic: HW L7
- Replies: 3
- Views: 259
Re: HW L7
Chem_Mod wrote:Yes, use the 454g mentioned in part a in your calculations.
Do you mind showing me the steps you took to complete this problem?
- Thu Oct 04, 2018 10:44 pm
- Forum: Molarity, Solutions, Dilutions
- Topic: HW L1
- Replies: 3
- Views: 174
Re: HW L1
yayaya I got the same thing thank you so much!
- Thu Oct 04, 2018 10:35 pm
- Forum: Molarity, Solutions, Dilutions
- Topic: HW L1
- Replies: 3
- Views: 174
HW L1
hello,
I am working on problem L1 from the hw and I don't really know if I got the right answer. Has anyone done this problem?
I am working on problem L1 from the hw and I don't really know if I got the right answer. Has anyone done this problem?
- Thu Oct 04, 2018 10:24 pm
- Forum: Molarity, Solutions, Dilutions
- Topic: HW L7
- Replies: 3
- Views: 259
HW L7
Hey guys!
So I am trying to solve this problem but I am stuck on part b I am not sure how to get "the mass of oxygen needed to oxidize this amount of tristearin?" Should I use 454g from part a?
So I am trying to solve this problem but I am stuck on part b I am not sure how to get "the mass of oxygen needed to oxidize this amount of tristearin?" Should I use 454g from part a?