Search found 52 matches

by Claudeth Martinez 1D
Sat Mar 16, 2019 8:30 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Exergonic
Replies: 2
Views: 29

Exergonic

is exergonic deltaG<0?
by Claudeth Martinez 1D
Sat Mar 16, 2019 8:29 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Endergonic
Replies: 2
Views: 43

Endergonic

is endergonic deltaG>0?
by Claudeth Martinez 1D
Sat Mar 16, 2019 8:27 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Activation Energy
Replies: 3
Views: 46

Activation Energy

does the activation energy have an inverse relationship with the reaction rate?
by Claudeth Martinez 1D
Sun Mar 10, 2019 4:12 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Catalysts
Replies: 6
Views: 71

Catalysts

Does a catalyst make a reaction faster or slower?
by Claudeth Martinez 1D
Sun Mar 10, 2019 4:11 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Activation Energy
Replies: 3
Views: 50

Activation Energy

If the activation energy increases then does that mean that the reaction rate decreases?
by Claudeth Martinez 1D
Sun Mar 10, 2019 4:10 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Arrhenius Equation
Replies: 1
Views: 36

Arrhenius Equation

So does the Arrhenius Equation show the relationship between temperature and reaction rate?
by Claudeth Martinez 1D
Sun Mar 03, 2019 4:23 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Battery
Replies: 2
Views: 29

Battery

Is an electrolytic cell the same thing as a rechargeable battery?
by Claudeth Martinez 1D
Sun Mar 03, 2019 4:22 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Non-Spontaneous
Replies: 3
Views: 48

Non-Spontaneous

Do electrolytic cells usually help drive a non-spontaneous redox reaction?
by Claudeth Martinez 1D
Sun Mar 03, 2019 4:21 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Electrolysis
Replies: 4
Views: 76

Electrolysis

Quick recap so electrolysis electrical energy is converted into chemical energy?
by Claudeth Martinez 1D
Sun Feb 24, 2019 3:09 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Electrode Metal
Replies: 1
Views: 33

Electrode Metal

Instead of using Pt(s) and you use C(gr) when writing a cell diagram for the electrode metal?
by Claudeth Martinez 1D
Sun Feb 24, 2019 3:06 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Volts
Replies: 2
Views: 35

Volts

does Volts=J/coulomb?
by Claudeth Martinez 1D
Sun Feb 24, 2019 3:04 pm
Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
Topic: Not at Equilibrium
Replies: 3
Views: 59

Not at Equilibrium

When the equation is not at equilibrium do you use "deltaG=-RTLnQ?
by Claudeth Martinez 1D
Sun Feb 17, 2019 10:37 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Battery
Replies: 5
Views: 91

Battery

Hello, does anyone know if a battery would be considered as a closed system or an isolated system?
by Claudeth Martinez 1D
Sun Feb 17, 2019 10:33 pm
Forum: Student Social/Study Group
Topic: Test
Replies: 17
Views: 346

Test

Does anyone know what the next test is going to be on?
by Claudeth Martinez 1D
Sun Feb 17, 2019 10:31 pm
Forum: Student Social/Study Group
Topic: Serenade
Replies: 2
Views: 76

Re: Serenade

JAJAJA Yaaas Katelin!
by Claudeth Martinez 1D
Sat Feb 09, 2019 9:29 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: K = 1
Replies: 2
Views: 50

K = 1

if K equals 1 does that mean the reaction has an intermediate amount of product and reactants?
by Claudeth Martinez 1D
Sat Feb 09, 2019 9:20 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Reverse Reaction
Replies: 8
Views: 122

Reverse Reaction

what is the equation for calculating the reverse reaction?
by Claudeth Martinez 1D
Sat Feb 09, 2019 9:18 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Units
Replies: 6
Views: 184

Units

Are there units for an equilibrium expression?
by Claudeth Martinez 1D
Sun Feb 03, 2019 12:18 am
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Adiabatic
Replies: 4
Views: 79

Adiabatic

What does adiabatic mean?
by Claudeth Martinez 1D
Sun Feb 03, 2019 12:17 am
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Isobaric
Replies: 2
Views: 43

Isobaric

What does Isobaric mean?
by Claudeth Martinez 1D
Sun Feb 03, 2019 12:17 am
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Isochoric
Replies: 4
Views: 71

Isochoric

What does isochoric mean?
by Claudeth Martinez 1D
Sun Jan 27, 2019 5:22 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Heat Capacity
Replies: 1
Views: 28

Heat Capacity

Is Molar Heat Capacity an intensive property or extensive?
by Claudeth Martinez 1D
Sun Jan 27, 2019 5:21 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Heat Capacity
Replies: 8
Views: 117

Heat Capacity

Is heat capacity (C) an extensive property?
by Claudeth Martinez 1D
Sun Jan 27, 2019 5:07 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: ICE
Replies: 19
Views: 256

ICE

what does E stand for again in an ICE box?
by Claudeth Martinez 1D
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: 107

Inert Gas

What happens when an inert gas is added? What happens to the equilibrium?
by Claudeth Martinez 1D
Sun Jan 27, 2019 5:03 pm
Forum: Ideal Gases
Topic: Calculating partial pressure
Replies: 4
Views: 96

Calculating partial pressure

Does anyone know how to calculate the partial pressure but with only t and r?
by Claudeth Martinez 1D
Sat Jan 12, 2019 7:54 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Change in concentration
Replies: 3
Views: 38

Change in concentration

If the concentration changes then does K change?
by Claudeth Martinez 1D
Sat Jan 12, 2019 7:47 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: solids & liquids
Replies: 5
Views: 49

solids & liquids

Why do we ignore the solids and the liquids when finding k?
by Claudeth Martinez 1D
Sat Jan 12, 2019 7:46 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: (aq) in calculating K
Replies: 9
Views: 97

(aq) in calculating K

Does anyone know what we do when there is an (aq) in the chemical equation?
by Claudeth Martinez 1D
Tue Nov 27, 2018 8:03 pm
Forum: Ionic & Covalent Bonds
Topic: Polar and Nonpolar
Replies: 3
Views: 76

Polar and Nonpolar

Hello,

How can I tell when something is non polar of polar?
by Claudeth Martinez 1D
Tue Nov 27, 2018 8:01 pm
Forum: Dipole Moments
Topic: Dipole-Dipole
Replies: 3
Views: 77

Dipole-Dipole

Hello,

How do I know when a lewis structure has a dipole-dipole moment?
by Claudeth Martinez 1D
Tue Nov 27, 2018 7:57 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Exam
Replies: 3
Views: 89

Exam

hey,

does anyone know what's going to be on the exam?
by Claudeth Martinez 1D
Sun Nov 11, 2018 10:19 pm
Forum: Ionic & Covalent Bonds
Topic: Hydrogen bond
Replies: 3
Views: 66

Hydrogen bond

Does anyone know the requirements to have a hydrogen bond?
Thank You!
by Claudeth Martinez 1D
Sun Nov 11, 2018 10:12 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Molecular Shape
Replies: 5
Views: 91

Molecular Shape

Hello,

How can I tell apart when it is linear or bent/angular? thank you!
by Claudeth Martinez 1D
Sun Nov 11, 2018 10:06 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Molecular Shape
Replies: 6
Views: 106

Molecular Shape

Hey,

Can someone tell me what type of interactions are the dashed lines mean when drawing out the molecule?

Thanks!
by Claudeth Martinez 1D
Sun Nov 04, 2018 11:30 pm
Forum: Lewis Structures
Topic: Lewis Structures
Replies: 3
Views: 77

Lewis Structures

hey,

Does anyone know how I can use Lewis structures to determine if a molecule is polar or nonpolar?
by Claudeth Martinez 1D
Sun Nov 04, 2018 11:28 pm
Forum: Dipole Moments
Topic: Polar and Nonpolar
Replies: 7
Views: 144

Polar and Nonpolar

hello,

Does anyone how I can tell when a molecule is polar or nonpolar?
by Claudeth Martinez 1D
Sun Nov 04, 2018 11:25 pm
Forum: Ionic & Covalent Bonds
Topic: Ionic and Covalent
Replies: 3
Views: 49

Ionic and Covalent

Hey,

Does anyone know how I can tell ionic and covalent bonds apart? Thanks
by Claudeth Martinez 1D
Thu Oct 25, 2018 11:39 pm
Forum: Administrative Questions and Class Announcements
Topic: Exam
Replies: 7
Views: 235

Exam

Hello,

Does anyone know if there are questions on the exam about orbitals?
by Claudeth Martinez 1D
Thu Oct 25, 2018 11:37 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Using Heisenberg's Equation
Replies: 3
Views: 139

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
by Claudeth Martinez 1D
Thu Oct 25, 2018 11:30 pm
Forum: Administrative Questions and Class Announcements
Topic: Exam
Replies: 2
Views: 110

Exam

Hey,

Does anyone know if we need schrodinger's equation for the exam?
by Claudeth Martinez 1D
Sun Oct 21, 2018 11:26 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Orbitals
Replies: 2
Views: 87

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!
by Claudeth Martinez 1D
Sun Oct 21, 2018 11:22 pm
Forum: *Black Body Radiation
Topic: Black Body Radiation
Replies: 4
Views: 277

Black Body Radiation

I have been wondering what black body radiation is. Can anyone please explain it to me?
by Claudeth Martinez 1D
Sun Oct 21, 2018 11:21 pm
Forum: Electron Configurations for Multi-Electron Atoms
Topic: 7th Edition HW 1E.5
Replies: 1
Views: 59

7th Edition HW 1E.5

Can anyone show me the steps to solving problem 1E.5? Please :)
by Claudeth Martinez 1D
Sun Oct 14, 2018 11:03 pm
Forum: Properties of Electrons
Topic: 7th Edition HW 1E.9
Replies: 2
Views: 71

7th Edition HW 1E.9

Hey,

Has anyone done 1E.9? what are the steps to solving it?
by Claudeth Martinez 1D
Sun Oct 14, 2018 10:58 pm
Forum: Quantum Numbers and The H-Atom
Topic: 7th Edition HW 1D.21
Replies: 3
Views: 90

7th Edition HW 1D.21

Hello,

Could anyone show me how to solve 1D.21?
by Claudeth Martinez 1D
Sun Oct 14, 2018 10:44 pm
Forum: Properties of Light
Topic: 7th Edition HW 1B.27
Replies: 1
Views: 35

7th Edition HW 1B.27

Hey guys,

Has anyone done question 1B. 27? Does anyone know how to solve for minimum uncertainty?
by Claudeth Martinez 1D
Thu Oct 04, 2018 10:52 pm
Forum: Molarity, Solutions, Dilutions
Topic: HW L7
Replies: 3
Views: 88

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?
by Claudeth Martinez 1D
Thu Oct 04, 2018 10:44 pm
Forum: Molarity, Solutions, Dilutions
Topic: HW L1
Replies: 3
Views: 71

Re: HW L1

yayaya I got the same thing thank you so much!
by Claudeth Martinez 1D
Thu Oct 04, 2018 10:35 pm
Forum: Molarity, Solutions, Dilutions
Topic: HW L1
Replies: 3
Views: 71

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?
by Claudeth Martinez 1D
Thu Oct 04, 2018 10:24 pm
Forum: Molarity, Solutions, Dilutions
Topic: HW L7
Replies: 3
Views: 88

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?

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