## Search found 100 matches

Sun Mar 15, 2020 9:46 pm
Forum: Zero Order Reactions
Topic: Units
Replies: 9
Views: 135

### Re: Units

Units for K in a zero order reaction is m/s
Sun Mar 15, 2020 9:42 pm
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: Deriving the equation
Replies: 4
Views: 103

### Re: Deriving the equation

You set the two equations for delta G equal to each other since they both give delta G
Sun Mar 15, 2020 9:41 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Activation Energy and Energy of a Reaction
Replies: 5
Views: 102

### Activation Energy and Energy of a Reaction

I wasn't sure where to categorize this post but how does changing temperature change the rate of reaction?
Sun Mar 15, 2020 9:39 pm
Forum: General Rate Laws
Topic: Overall Order
Replies: 6
Views: 119

### Re: Overall Order

Overall order of the reaction is derived by adding the exponents of the elements in the rate of reaction. It is the addition of all the order of each of the elements in the reaction.
Sun Mar 15, 2020 9:38 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Affecting E cell
Replies: 4
Views: 119

### Re: Affecting E cell

Changing the concentrations of the Ecell will change it from Ecell Standard to Ecell
Sun Mar 08, 2020 11:56 pm
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: E cell
Replies: 9
Views: 144

### Re: E cell

Ecell is the cell potential for the half reaciton and Estandard cell is the overall cell potential
Sun Mar 08, 2020 11:55 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: E potential
Replies: 8
Views: 108

### Re: E potential

Yes if it is a galvanic cell
Sun Mar 08, 2020 11:47 pm
Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
Topic: G=-nFe
Replies: 7
Views: 130

### Re: G=-nFe

n should be the same for redox reactions
Sun Mar 08, 2020 11:46 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Cell diagram
Replies: 7
Views: 94

### Re: Cell diagram

You use commas to separate them rather than I
Sun Mar 08, 2020 11:45 pm
Forum: Second Order Reactions
Topic: [A] v. Time
Replies: 16
Views: 213

### Re: [A] v. Time

The second order is linear
Sun Mar 01, 2020 11:59 pm
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: Nernst Equation Use
Replies: 3
Views: 82

### Nernst Equation Use

When do we use the Nernst equation?
Sun Mar 01, 2020 11:59 pm
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: Nernst
Replies: 10
Views: 141

### Nernst

What is nernst equation?
Sun Mar 01, 2020 11:58 pm
Forum: Balancing Redox Reactions
Topic: E cell and Standard
Replies: 2
Views: 75

### E cell and Standard

What is the difference between E cell and standard E cell
Sun Mar 01, 2020 11:58 pm
Forum: Balancing Redox Reactions
Topic: Left and Right
Replies: 4
Views: 91

### Left and Right

Why do we need to do the left and right side reactions separately
Sun Mar 01, 2020 11:57 pm
Forum: Balancing Redox Reactions
Topic: Anode and Xathod
Replies: 9
Views: 96

### Anode and Xathod

What is the difference between an anode and cathode?
Sun Mar 01, 2020 11:57 pm
Forum: Balancing Redox Reactions
Topic: Determining direction of flow
Replies: 15
Views: 228

### Re: Determining direction of flow

The direction of flow is left to right
Sun Mar 01, 2020 11:23 pm
Forum: Administrative Questions and Class Announcements
Topic: what to know for test 2
Replies: 10
Views: 137

### Re: what to know for test 2

Test 2 covers the second page of Thermodynamics and all of electrochemistry
Sun Feb 23, 2020 11:16 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Reverse Reaction
Replies: 1
Views: 30

### Reverse Reaction

Is a reaction within a galvanic cell, will it ever reach equilibrium and will we need to find the constants?
Sun Feb 23, 2020 11:12 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Balancing Equations
Replies: 5
Views: 57

### Balancing Equations

How do you determine what is being oxidized or reduced? By looking at the oxidation number?
Sun Feb 23, 2020 11:10 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: State
Replies: 5
Views: 58

### State

How do you figure out the physical states?
Sun Feb 23, 2020 11:08 pm
Forum: Balancing Redox Reactions
Topic: Oxidation Number
Replies: 3
Views: 80

### Oxidation Number

How do you get an oxidation number?
Sun Feb 23, 2020 11:05 pm
Forum: Balancing Redox Reactions
Topic: Acidic and Basic
Replies: 3
Views: 62

### Acidic and Basic

How do you know if a solution is acidic or basic?
Sun Feb 09, 2020 10:21 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Midterm Material
Replies: 10
Views: 156

### Re: Midterm Material

The first page of outline 4 will be on the midterm
Sun Feb 09, 2020 10:15 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Ideal Gasses
Replies: 2
Views: 30

### Ideal Gasses

Do we always assume that reactions have ideal gasses?
Sun Feb 09, 2020 10:14 pm
Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
Topic: qp=deltaH
Replies: 6
Views: 85

### Re: qp=deltaH

qp I think is the heat in a reaction under constant pressure and delta H is the change in enthalpy. Therefore, in a system, given ideal gasses, the heat is equal to a change in enthalpy.
Sun Feb 09, 2020 10:11 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: 4A3.c
Replies: 1
Views: 36

### Re: 4A3.c

For this problem, q=0 therefore the 28J of work is the change in heat
Sun Feb 09, 2020 10:09 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Cv and Cp
Replies: 3
Views: 22

### Re: Cv and Cp

I think what Renee tried to say was that constant pressure is when the system is explicitly at constant pressure
Wed Feb 05, 2020 1:03 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Reversible vs Irreversible
Replies: 4
Views: 31

### Reversible vs Irreversible

How do you know if a reaction is reversible?
Sun Feb 02, 2020 11:45 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Bond Enthalpies
Replies: 2
Views: 41

### Bond Enthalpies

How do you calculate bond enthalpies
?
Sun Feb 02, 2020 11:44 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Hess's Law
Replies: 7
Views: 72

### Hess's Law

Can someone explain Hess's Law because I have tried to look it up and still do not understand
Sun Feb 02, 2020 11:36 pm
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Car Engine
Replies: 4
Views: 59

### Car Engine

How is a car engine an open system?
Sun Feb 02, 2020 11:33 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Delta H and U
Replies: 3
Views: 37

### Delta H and U

What is the difference between H and U?
Sun Feb 02, 2020 11:32 pm
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Open/Closed/Isolated System
Replies: 3
Views: 37

### Open/Closed/Isolated System

Closed systems are when mass is conserved but energy can be interchangeable. Can it go the other way as well?
Sun Jan 26, 2020 8:53 pm
Forum: Phase Changes & Related Calculations
Topic: Enthalpy Calculations
Replies: 5
Views: 36

### Enthalpy Calculations

Will we need to memorize the enthalpy formulas for phase changes such as liquid to vapor?
Sun Jan 26, 2020 8:50 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Standard Enthalpies of Formation
Replies: 4
Views: 31

### Standard Enthalpies of Formation

Is the standard enthalpies... a constant or something that we will calculate?
Sun Jan 26, 2020 8:49 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Bond Enthalpies
Replies: 2
Views: 39

### Bond Enthalpies

Will we ever have to calculate bond enthalpies for solids or liquids or did I miss something in class?
Sun Jan 26, 2020 8:47 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Bond Enthalpies
Replies: 3
Views: 25

### Bond Enthalpies

How are the H-values of the bonds found? Are they supposed to be given or?
Sun Jan 26, 2020 8:47 pm
Forum: Calculating Work of Expansion
Topic: Work Units
Replies: 3
Views: 30

### Work Units

What is work supposed to be measured in?
Sun Jan 26, 2020 3:39 am
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Hess's Law
Replies: 2
Views: 30

### Hess's Law

How did Dr. Lavelle add the reactions used in lecture on Wednesday? There were two reactions N2+O2 -> 2NO where deltaH = 18kJ. How did he add the two reactions together?
Sun Jan 19, 2020 10:40 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Acids and Bases
Replies: 2
Views: 29

### Acids and Bases

Why doesn't water affect equilibrium?
Sun Jan 19, 2020 10:33 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Acids and Bases
Replies: 1
Views: 28

### Acids and Bases

Do we ever have to figure out how long it'll take for a reaction to reach equilibrium.
Sun Jan 19, 2020 10:32 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: ICE Table
Replies: 2
Views: 32

### ICE Table

Are acids and bases always in equilibrium?
Sun Jan 19, 2020 10:31 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: ICE Table
Replies: 4
Views: 45

### ICE Table

How do we know what to subtract X from/by in the "Change"
Sun Jan 19, 2020 10:30 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: ICE
Replies: 3
Views: 40

### ICE

How do we know when to use an ICE table?
Sun Jan 12, 2020 6:24 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: memorization
Replies: 12
Views: 128

### Re: memorization

You shouldn't need to. If you can't calculate the K value then it should be given to you
Sun Jan 12, 2020 6:15 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Application of La Chatelier's
Replies: 3
Views: 26

### Application of La Chatelier's

How do we know when to apply La Chatelier's?
Sun Jan 12, 2020 6:14 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: K units
Replies: 3
Views: 28

### K units

why is there no unit for K? If there is, what is it?
Sun Jan 12, 2020 6:13 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: K and Q
Replies: 10
Views: 72

### K and Q

What is the difference between K and Q if they are calculated the same way?
Sun Jan 12, 2020 6:12 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Calculating K
Replies: 9
Views: 77

### Calculating K

Why is water not accounted for in calculating for K?
Sun Dec 08, 2019 11:45 pm
Forum: Hybridization
Topic: Charges
Replies: 9
Views: 482

### Re: Charges

If the formal charge on an atom is not zero then it is good to label it. You would then add up the formal charges in the molecule and label that outside brackets to depict the overal charge of the molecule.
Sun Dec 08, 2019 11:44 pm
Forum: Resonance Structures
Topic: Delocalization
Replies: 6
Views: 261

### Re: Delocalization

Generally when there is resonance in the Lewis Structure there is also delocalization
Sun Dec 08, 2019 11:41 pm
Forum: Naming
Topic: ion at end of name
Replies: 4
Views: 129

### Re: ion at end of name

Ion ya the end means that there is nothing to bond to the complex ion
Sun Dec 08, 2019 11:40 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: bent v. angular
Replies: 27
Views: 486

### Re: bent v. angular

Bent and angular are the same!
Sun Dec 08, 2019 11:39 pm
Forum: General Science Questions
Topic: Coordination Compounds
Replies: 7
Views: 168

### Re: Coordination Compounds

Yes it helps with naming and doing oxidation
Sun Dec 08, 2019 11:39 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Uncertainty
Replies: 7
Views: 431

### Re: Uncertainty

Yes
Sun Dec 08, 2019 11:37 pm
Forum: Administrative Questions and Class Announcements
Topic: curve
Replies: 8
Views: 205

### Re: curve

Maybe but we won’t know until grades come out!
Sun Dec 01, 2019 11:27 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student - Part II [ENDORSED]
Replies: 191
Views: 14399

### Re: Advice from a Medical Student - Part II[ENDORSED]

I'm worried that I won't do good in one of my classes this quarter, to the point where I might have to retake it. Will that severely hurt my chances of applying to medical school?
Sun Dec 01, 2019 11:24 pm
Forum: Bronsted Acids & Bases
Topic: Final Breakdown
Replies: 1
Views: 41

### Final Breakdown

Does anyone have any idea on what the breakdown of the final will be? Like will it have more new material or equal parts of all?
Sun Dec 01, 2019 11:20 pm
Forum: Properties & Structures of Inorganic & Organic Acids
Topic: Final Information
Replies: 2
Views: 44

### Final Information

When will Dr. Lavelle release the final information?
Sun Dec 01, 2019 11:16 pm
Forum: Lewis Acids & Bases
Topic: Difference between Lewis and Bronsted
Replies: 4
Views: 37

### Difference between Lewis and Bronsted

What is the difference between Lewis and Bronsted acid/bases?
Sun Dec 01, 2019 11:12 pm
Forum: Amphoteric Compounds
Topic: Determining Acidic or Basic
Replies: 2
Views: 44

### Determining Acidic or Basic

If a compound is amphoteric, do we leave it as that or is it more acidic than basic or vice versa?
Sun Nov 24, 2019 10:26 pm
Forum: Hybridization
Topic: Why does hybridization occur
Replies: 3
Views: 39

### Why does hybridization occur

Why do molecules hybridize?
Sun Nov 24, 2019 10:21 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Drawing molecules
Replies: 7
Views: 140

### Drawing molecules

Will we ever have to draw molecules in such a way similar to what was on the test? Like with a hexagon and everything or is that in a future chemistry class?
Sun Nov 24, 2019 10:18 pm
Forum: Student Social/Study Group
Topic: A joke to brighten your day
Replies: 3
Views: 123

### A joke to brighten your day

Two chemists walk into a bar.
One says, “I’ll have an ‎H2O.” The other says, “I’ll have an ‎H2O, too.” The second chemist dies.

Sun Nov 24, 2019 10:15 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Final
Replies: 10
Views: 138

### Final

Is the final cumulative?
Sun Nov 24, 2019 10:15 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Polar vs. Nonpolar
Replies: 3
Views: 57

### Polar vs. Nonpolar

I took the test Friday and was really confused by a problem. If a molecule has 4 of the same bond atoms then it is non-polar(CH4). That is because the electronegativity values are the same. However if there are two of the same and two different shouldn't it also be non-polar? Sure the electronegativ...
Sun Nov 24, 2019 10:10 pm
Forum: Hybridization
Topic: Bond Strength
Replies: 2
Views: 46

### Bond Strength

Does hybridization affect bond strength? If so, how?
Sun Nov 17, 2019 10:19 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: vsepr angles
Replies: 10
Views: 76

### Re: vsepr angles

I would say so because they will most likely be on the test this week and it is helpful to know so make the process of finding the shapes easier.
Sun Nov 17, 2019 10:16 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: AXE Formula
Replies: 4
Views: 64

### Re: AXE Formula

As far as the lectures that have covered VSEPR so far, I do not believe so. However if you are having trouble memorizing the shapes then I highly suggest making flashcards!
Wed Nov 13, 2019 5:13 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Memorizing and Recognizing Molecular Shapes
Replies: 4
Views: 48

### Memorizing and Recognizing Molecular Shapes

In Topic 2E of the textbook, there are 12 molecular shapes listed. Are those all the ones we need to be able to recognize or are there more or less? Furthermore, do we need to know the bond angles that correspond with those shapes?
Sun Nov 10, 2019 11:54 pm
Forum: Bond Lengths & Energies
Topic: Corny Chemistry Pick up lines
Replies: 1
Views: 43

### Corny Chemistry Pick up lines

Are you made of copper and tellurium? Because you're CuTe!
Sun Nov 10, 2019 11:52 pm
Forum: Bond Lengths & Energies
Topic: Veteran's Day Jokes
Replies: 1
Views: 92

### Veteran's Day Jokes

Why did the noble gas cry(me)?

Because all his friends argon:(
Sun Nov 10, 2019 11:51 pm
Forum: Bond Lengths & Energies
Topic: Jokes
Replies: 1
Views: 41

### Jokes

"That was sodium funny"............

"I slapped my neon that one"
Sun Nov 10, 2019 11:49 pm
Forum: Bond Lengths & Energies
Topic: Chemistry Jokes
Replies: 1
Views: 28

### Chemistry Jokes

Why shouldn't we trust atoms......................................they make up everything
Sun Nov 10, 2019 11:33 pm
Forum: Bond Lengths & Energies
Topic: Bond Lengths
Replies: 2
Views: 42

### Bond Lengths

Why would bond lengths differ between single bonds and multiple bonds?
Sun Nov 10, 2019 11:31 pm
Forum: Electronegativity
Topic: Formula for Difference
Replies: 7
Views: 200

### Formula for Difference

Do we ever need to know or use the equation for the difference in electronegativity in two elements?
Mon Nov 04, 2019 5:26 pm
Forum: *Shrodinger Equation
Topic: Shrodinger equation
Replies: 7
Views: 278

### Re: Shrodinger equation

From all the review sessions and office hours I attended, I don't think it will be but I'd be familiar with the concept just in case.
Sun Nov 03, 2019 8:09 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Finding electron configurations
Replies: 4
Views: 74

### Finding electron configurations

How do you find the electron configuration using noble gases? I understand that you need to list the noble gas from the previous period but how do you count afterwards? Say for example we are trying to find the electron configuration of Gallium(Ga) as well as the electron configuration of Niobium(Nb)
Sun Nov 03, 2019 8:04 pm
Forum: Lewis Structures
Topic: Resonance Structure
Replies: 4
Views: 61

### Re: Resonance Structure

If the question explicitly asks for you to draw all the resonance structures then yes but I would just to be safe
Sun Oct 27, 2019 8:32 pm
Forum: Resonance Structures
Topic: Delocalization
Replies: 6
Views: 108

### Delocalization

What does it mean for an electron in resonance structures to be delocalized?
Sun Oct 27, 2019 8:09 pm
Forum: Resonance Structures
Topic: Resonance Structures
Replies: 3
Views: 64

### Resonance Structures

Why would you ever need to move the location of a bond in a Lewis Structure
Sun Oct 27, 2019 8:05 pm
Forum: Lewis Structures
Topic: Orbitals
Replies: 9
Views: 141

### Orbitals

If we can add an electron 4s^2 then when we need to remove do we also remove from the same orbital?
Sun Oct 27, 2019 7:56 pm
Forum: Resonance Structures
Topic: Formal Charge
Replies: 5
Views: 84

### Formal Charge

If there is a formal charge, is there such thing as an informal charge?
Sun Oct 27, 2019 7:53 pm
Forum: Resonance Structures
Topic: Octet
Replies: 13
Views: 258

### Octet

What is an octet, and are there exceptions to an atom isn't an octet?
Sun Oct 20, 2019 9:48 pm
Forum: Molarity, Solutions, Dilutions
Topic: Test 1- Q5a
Replies: 2
Views: 149

### Test 1- Q5a

Can someone please explain 5a on the first test? I used the equation M=mols/volume but got .05M.
Sun Oct 20, 2019 9:44 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Ground State
Replies: 5
Views: 87

### Ground State

What does it mean to be "obtain ground state electron configuration"? Is that when the electrons are balanced?
Sun Oct 20, 2019 9:43 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Pauli Exclusion Prinicple
Replies: 3
Views: 66

### Pauli Exclusion Prinicple

What does the Pauli Exclusion state in regard to when we are configuring electrons? Why is it that there can be no more than two electrons per orbital?
Sun Oct 20, 2019 9:35 pm
Forum: Quantum Numbers and The H-Atom
Topic: Schrodinger's wave function
Replies: 3
Views: 73

### Re: Schrodinger's wave function

Sin and cos were used to simply represent the shape of the wave function.
Sun Oct 20, 2019 9:34 pm
Forum: Properties of Electrons
Topic: Photons
Replies: 9
Views: 149

### Re: Photons

If a photon doesn't have enough energy(work function) to eject a photon then nothing will happen. The photon's energy will simply be absorbed by the electron but with no results or consequences.
Sun Oct 13, 2019 10:33 pm
Forum: Trends in The Periodic Table
Topic: Element Names
Replies: 8
Views: 628

### Re: Element Names

I think it would be good to know all the names but I have not encountered anything that suggests otherwise.
Sun Oct 13, 2019 10:31 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Atomic Spectroscopy
Replies: 1
Views: 47

### Fundamental Equations

Why are the three fundamental equations De Broglie's, Heisenberg's, and Schrodinger? To confirm, we only covered the De Broglie's right
Sun Oct 13, 2019 10:26 pm
Forum: General Science Questions
Topic: oxygen molar mass
Replies: 2
Views: 59

### Re: oxygen molar mass

i would use 15.999 just to reduce the margin of error and eiminating the opportunities to get a question wrong
Sun Oct 13, 2019 10:21 pm
Forum: Properties of Electrons
Topic: Photons
Replies: 9
Views: 149

### Re: Photons

Yes, it is possible for a photon to not have enough energy. If it does not then it won't be able to eject an electron. Like in lecture on Week 2, a photon packet overall does not need to have intense energy, but each photon itself must have enough intensity.
Sun Oct 13, 2019 10:11 pm
Topic: Black Body
Replies: 6
Views: 244

### Re: Black Body

A black body is a body that absorbs all electromagnetic radiation such that nothing can escape it and no radiation can resist being "sucked in" per say
Sun Oct 13, 2019 10:07 pm
Forum: Properties of Light
Topic: De Broglie equation
Replies: 4
Views: 76

### Re: De Broglie equation

You use it to find the wavelength of an object(ie electron)
Sat Oct 05, 2019 3:46 pm
Forum: SI Units, Unit Conversions
Topic: E.23 Part B
Replies: 3
Views: 65

### E.23 Part B

I am confused as to how the scientific notation would affect the problem. For some reason I cannot seem to have the right scientific notation. I understand the process and work in regards to the problem, however I can't seem to be able to denote the values in correct scientific notation.
Fri Oct 04, 2019 8:22 am
Forum: SI Units, Unit Conversions
Topic: Etext Access for Chem Book
Replies: 1
Views: 61

### Re: Etext Access for Chem Book

I got my book online but I didn't have a problem. Maybe contact your book supplier/whoever you got it from?
Fri Oct 04, 2019 8:20 am
Forum: Significant Figures
Topic: Lab Sig Figs
Replies: 2
Views: 51

### Re: Lab Sig Figs

As long as there is a decimal point or is a whole value, there will be sig figs!
Fri Oct 04, 2019 8:15 am
Forum: Molarity, Solutions, Dilutions
Topic: Homework Question G13
Replies: 2
Views: 60

### Re: Homework Question G13

You multiply by .1L because we need to solve for the mols. We use the formula .05M= (x mols)/.1L
Fri Oct 04, 2019 8:12 am
Forum: Properties of Light
Topic: Speed of Light
Replies: 41
Views: 1530

### Re: Speed of Light

It does not change, so it is a constant