Search found 108 matches

by lauraxie2e
Thu Mar 12, 2020 5:30 am
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: midterm question 3B
Replies: 1
Views: 92

midterm question 3B

How do you know which combination of solutions produces the greatest change in temperature?
by lauraxie2e
Tue Mar 10, 2020 2:20 pm
Forum: Administrative Questions and Class Announcements
Topic: Final exam content
Replies: 15
Views: 357

Re: Final exam content

The homework gives you a good idea of the questions but it is by no means indicative of the exam
by lauraxie2e
Tue Mar 10, 2020 2:18 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: Catalysts and Rates
Replies: 10
Views: 127

Re: Catalysts and Rates

They do have an effect on reactions.
by lauraxie2e
Tue Mar 10, 2020 2:16 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Activation Energy
Replies: 5
Views: 82

Re: Activation Energy

Activation energy is not the same as change in enthalpy because change in enthalpy is the difference between products and reactants
by lauraxie2e
Tue Mar 10, 2020 2:14 pm
Forum: Second Order Reactions
Topic: determining order
Replies: 9
Views: 110

determining order

In word problems would they usually tell us the order so we would know what equation to use? If not, how would we determine what equation to use?
by lauraxie2e
Tue Mar 10, 2020 2:13 pm
Forum: Second Order Reactions
Topic: Final Exam Equations
Replies: 10
Views: 191

Re: Final Exam Equations

yes they give them to you but they aren't labelled so you have to br clear on which equations apply to which order
by lauraxie2e
Tue Mar 10, 2020 1:00 pm
Forum: Administrative Questions and Class Announcements
Topic: practice test
Replies: 2
Views: 97

practice test

Is there a practice exam, if so where do I find it?
by lauraxie2e
Tue Mar 10, 2020 12:56 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: rate constant
Replies: 5
Views: 50

rate constant

what affects the rate constant?
by lauraxie2e
Tue Mar 10, 2020 12:56 pm
Forum: Arrhenius Equation, Activation Energies, Catalysts
Topic: catalysts in balanced equations
Replies: 6
Views: 51

catalysts in balanced equations

A catalyst is something that shows up in the reactants of the first equation but disappears by the products of the last equation as opposed to an intermediate which is produced throughout the reactions and disappears, right?
by lauraxie2e
Mon Mar 09, 2020 4:55 pm
Forum: General Rate Laws
Topic: 7A 15
Replies: 4
Views: 40

7A 15

How do you know if something is independent of the rate law?
by lauraxie2e
Mon Mar 09, 2020 3:24 pm
Forum: General Rate Laws
Topic: 7A3
Replies: 2
Views: 52

7A3

Aren't the answers supposed to be opposite of each other because one is rate of formation and one is rate of consumption?
by lauraxie2e
Sun Mar 01, 2020 11:14 pm
Forum: Zero Order Reactions
Topic: Reaction Order Number
Replies: 3
Views: 34

Re: Reaction Order Number

it is always a whole number
by lauraxie2e
Sun Mar 01, 2020 11:13 pm
Forum: General Rate Laws
Topic: tangent lines
Replies: 5
Views: 88

Re: tangent lines

yes it is pretty easy though its just the derivative but also you could just find an average
by lauraxie2e
Sun Mar 01, 2020 11:12 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Writing cell diagrams
Replies: 7
Views: 70

Re: Writing cell diagrams

use the comma only for the same phase, use the straight line for change in phase
by lauraxie2e
Sun Mar 01, 2020 11:06 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: instantaneous rate
Replies: 16
Views: 149

Re: instantaneous rate

it is more precise because it isn't an average
by lauraxie2e
Sun Mar 01, 2020 10:42 pm
Forum: Administrative Questions and Class Announcements
Topic: what to know for test 2
Replies: 10
Views: 110

what to know for test 2

does anyone know where on the outline we need to know up to for the test?
by lauraxie2e
Mon Feb 24, 2020 10:48 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: gibbs free energy
Replies: 15
Views: 130

Re: gibbs free energy

the change in energy from the reactants to the products
by lauraxie2e
Mon Feb 24, 2020 10:46 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: midterm
Replies: 5
Views: 83

Re: midterm

I think you have to email your TA and see.
by lauraxie2e
Mon Feb 24, 2020 10:46 am
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Negative work
Replies: 14
Views: 238

Re: Negative work

when the system does work on the surroundings
by lauraxie2e
Mon Feb 24, 2020 10:44 am
Forum: Calculating Work of Expansion
Topic: Irreversible and Reversible Expanision
Replies: 9
Views: 183

Re: Irreversible and Reversible Expanision

it usually will tell you if it is irreversible or reversible
by lauraxie2e
Mon Feb 24, 2020 10:42 am
Forum: Calculating Work of Expansion
Topic: when work is 0
Replies: 5
Views: 120

Re: when work is 0

it isn't necessarily 0 unless its isothermal and reversible
by lauraxie2e
Tue Feb 18, 2020 3:49 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Signs for Gibbs Free Energy
Replies: 11
Views: 133

Re: Signs for Gibbs Free Energy

negative is exothermic and positive is endothermic
by lauraxie2e
Tue Feb 18, 2020 3:49 pm
Forum: Concepts & Calculations Using Second Law of Thermodynamics
Topic: Reversible and Irreversible
Replies: 5
Views: 177

Re: Reversible and Irreversible

yes entropy is a state function
by lauraxie2e
Tue Feb 18, 2020 3:48 pm
Forum: Calculating Work of Expansion
Topic: Work Equation
Replies: 6
Views: 172

Re: Work Equation

think about the reversibility of an equation
by lauraxie2e
Tue Feb 18, 2020 3:48 pm
Forum: Calculating Work of Expansion
Topic: Reversible vs Irreversible
Replies: 13
Views: 242

Re: Reversible vs Irreversible

Reversible is when a process can go either way and irreversible can only go one way. The entropy of the system of a reversible reaction is 0 and the the entropy of surroundings of a irreversible reaction is 0.
by lauraxie2e
Tue Feb 18, 2020 3:45 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: isothermal reactions
Replies: 8
Views: 190

Re: isothermal reactions

If temperature doesn't change, internal energy doesn't change.
by lauraxie2e
Tue Feb 11, 2020 9:07 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: different formulas of w
Replies: 3
Views: 42

different formulas of w

when do we use -nrt vs p delta v
by lauraxie2e
Sun Feb 09, 2020 11:01 pm
Forum: Student Social/Study Group
Topic: Midterm Topics
Replies: 12
Views: 165

Re: Midterm Topics

half of thermodynamics
by lauraxie2e
Sun Feb 09, 2020 11:00 pm
Forum: Administrative Questions and Class Announcements
Topic: midterm format
Replies: 8
Views: 90

Re: midterm format

its mostly to all free response
by lauraxie2e
Sun Feb 09, 2020 10:59 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm dates
Replies: 11
Views: 102

Re: Midterm dates

up to half of thermodynamics
by lauraxie2e
Sun Feb 09, 2020 10:58 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm
Replies: 12
Views: 144

Re: Midterm

6-8pm
by lauraxie2e
Sun Feb 02, 2020 7:57 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Work done BY vs work done ON
Replies: 9
Views: 84

Re: Work done BY vs work done ON

Work being done is to the surroundings and work being done on the system is to the system.
by lauraxie2e
Sun Feb 02, 2020 7:56 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: First law of thermodynamics
Replies: 3
Views: 34

Re: First law of thermodynamics

Q is heat gained or lost and W is work done so combined they create the energy of the system
by lauraxie2e
Sun Feb 02, 2020 7:55 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Enthalpy vs. Heat
Replies: 6
Views: 51

Re: Enthalpy vs. Heat

Enthalpy is when pressure is held constant.
by lauraxie2e
Sun Feb 02, 2020 7:54 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: entropy?
Replies: 4
Views: 63

Re: entropy?

Energy is lost due to entropy so we have to factor it in.
by lauraxie2e
Sun Feb 02, 2020 4:04 pm
Forum: Phase Changes & Related Calculations
Topic: Phase Changes
Replies: 17
Views: 139

Re: Phase Changes

yes the phase change occurs after temperature change
by lauraxie2e
Sun Jan 26, 2020 11:00 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Percent Ionization
Replies: 12
Views: 74

Re: Percent Ionization

acid ionized over original x 100
by lauraxie2e
Sun Jan 26, 2020 10:59 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: ICE
Replies: 20
Views: 173

Re: ICE

when they give you a concentration and ask for equilibrium concentration
by lauraxie2e
Sun Jan 26, 2020 10:57 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Kp to Kc
Replies: 11
Views: 79

Re: Kp to Kc

yes unless it states that it's a pure liquid
by lauraxie2e
Sun Jan 26, 2020 10:54 pm
Forum: Administrative Questions and Class Announcements
Topic: final exam
Replies: 6
Views: 118

Re: final exam

can I still pick mine up or has it been shredded
by lauraxie2e
Sun Jan 26, 2020 10:53 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: delta s
Replies: 5
Views: 42

delta s

delta s is enthalpy correct?
by lauraxie2e
Sun Jan 19, 2020 5:50 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: pH vs. pOH
Replies: 13
Views: 128

Re: pH vs. pOH

you use the concentration of a base
by lauraxie2e
Sun Jan 19, 2020 5:49 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Calculating Ka
Replies: 1
Views: 23

Re: Calculating Ka

use the pH to calculate the concentration of H3O+ and then use the initial concentration to find the other values and set up the equation with products over reactants
by lauraxie2e
Sun Jan 19, 2020 5:46 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: pKa
Replies: 13
Views: 87

Re: pKa

its inverse; lower pKa is a stronger acid
by lauraxie2e
Sun Jan 19, 2020 5:44 pm
Forum: Administrative Questions and Class Announcements
Topic: final exam
Replies: 6
Views: 118

final exam

when can I pick up my 14a final exam?
by lauraxie2e
Sun Jan 19, 2020 5:42 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: small Ka
Replies: 5
Views: 56

small Ka

I know when there is a small Ka in strong acids, you can disregard the change in the denominator when solving for the change to solve for pH, however does this also apply to weak acids?
by lauraxie2e
Sat Jan 11, 2020 1:01 pm
Forum: Ideal Gases
Topic: The Difference between Q and Kc [ENDORSED]
Replies: 18
Views: 1771

Re: The Difference between Q and Kc [ENDORSED]

Kc is only at equilibrium, while Q is at any time of the reaction
by lauraxie2e
Sat Jan 11, 2020 1:00 pm
Forum: Ideal Gases
Topic: R in PV=nRT
Replies: 34
Views: 659

Re: R in PV=nRT

it is the gas constant and can either be seen as 8.314 J/mol·K or 0.082057 L⋅atm/mol⋅K
by lauraxie2e
Sat Jan 11, 2020 12:57 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Why does only Temp affect K?
Replies: 10
Views: 325

Re: Why does only Temp affect K?

Temperature is combined with the reactants to form the products so when you increase the temperature more reactants are formed changing K
by lauraxie2e
Sat Jan 11, 2020 12:54 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: using Kp vs Kc
Replies: 13
Views: 99

Re: using Kp vs Kc

You use Kp
by lauraxie2e
Sat Jan 11, 2020 12:53 pm
Forum: Ideal Gases
Topic: Units of Pressure
Replies: 8
Views: 73

Re: Units of Pressure

We will most likely get a formula sheet that tells us the conversions.
by lauraxie2e
Wed Dec 04, 2019 3:26 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: monodentate vs bidentate
Replies: 1
Views: 44

monodentate vs bidentate

What is the cut off for the degrees Is for being able to act as a monodentate and bidentate ligand? For example in 9C5, I was told that CO3^2- is monodentate because the angle between the oxygens is only 120 degrees which is too small to bind to the same metal, but then it is also bidentate because ...
by lauraxie2e
Tue Dec 03, 2019 8:25 pm
Forum: Amphoteric Compounds
Topic: how to determine
Replies: 3
Views: 45

Re: how to determine

No. Take the amphoteric oxides as an example (e.g. Al2O3). If you react Al2O3 with a strong acid, it will act as a base by producing hydroxide ions. If you react Al2O3 with a strong base, it will act as an acid by producing hydronium ions. None of the amphoteric oxides contain hydrogen. then can yo...
by lauraxie2e
Tue Dec 03, 2019 7:22 pm
Forum: Amphoteric Compounds
Topic: how to determine
Replies: 3
Views: 45

how to determine

Does a compound have to contain hydrogen to be amphoteric?
by lauraxie2e
Tue Dec 03, 2019 6:52 pm
Forum: Lewis Acids & Bases
Topic: H^-
Replies: 1
Views: 37

H^-

I know H+ would be a Lewis acid, but would this be the same for H-?
by lauraxie2e
Mon Dec 02, 2019 10:08 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: polydentates and chelating
Replies: 2
Views: 36

polydentates and chelating

Are all polydentates chelating ligands because they have two or more points of attachment to the transition metal?
by lauraxie2e
Mon Dec 02, 2019 7:19 pm
Forum: Properties & Structures of Inorganic & Organic Acids
Topic: J3
Replies: 2
Views: 66

J3

What relevance is the litmus paper turning pink when the solution is tested on it, what does that show?
by lauraxie2e
Mon Dec 02, 2019 7:04 pm
Forum: Bronsted Acids & Bases
Topic: how to identify
Replies: 2
Views: 48

how to identify

I understand how you can identify Bronsted Acids and Bases when you are looking at a chemical equation, but how do you identify Bronsted Acids/Bases just by looking at the compound? For ex in J1, what is NH3
by lauraxie2e
Mon Dec 02, 2019 6:08 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: polydentates
Replies: 2
Views: 32

polydentates

If you're looking at a chemical equation, how do you know if it can be polydentate? For example HN(CH2CH2NH2)2?
by lauraxie2e
Mon Dec 02, 2019 4:42 pm
Forum: Naming
Topic: Roman numerals
Replies: 7
Views: 147

Roman numerals

How do you know what Roman numeral to put after the name, when you're naming the compound? For example how do you know that [Fe(CN)6]4- is hexacyanidoferrate (II) and not hexacyanidoferrate (III)?
by lauraxie2e
Wed Nov 27, 2019 12:24 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Polarity and dipole moments
Replies: 8
Views: 108

Re: Polarity and dipole moments

It is mostly when the structure is symmetrical.
by lauraxie2e
Wed Nov 27, 2019 12:23 pm
Forum: Bronsted Acids & Bases
Topic: Bronsted acid
Replies: 9
Views: 495

Re: Bronsted acid

It completely dissociates to lose one H
by lauraxie2e
Wed Nov 27, 2019 12:22 pm
Forum: Dipole Moments
Topic: Hydrogen Bonding Sites
Replies: 9
Views: 191

Re: Hydrogen Bonding Sites

it is anywhere where hydrogen can potentially bond to an element, so anywhere where there is F,O,N
by lauraxie2e
Wed Nov 27, 2019 12:22 pm
Forum: Lewis Acids & Bases
Topic: Lewis acid vs regular acid?
Replies: 4
Views: 48

Re: Lewis acid vs regular acid?

it is basically the same thing it is just if you view the compound as a proton acceptor/donor or electron acceptor/donor
by lauraxie2e
Tue Nov 26, 2019 6:08 pm
Forum: Hybridization
Topic: double bonds
Replies: 7
Views: 80

Re: double bonds

I don't believe double bonds effect hybridization because it is based on regions of electron density.
by lauraxie2e
Tue Nov 19, 2019 7:42 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: polarizability of anions
Replies: 3
Views: 62

polarizability of anions

Within the same period of anions with different charges, how do you determine which anion is most polarizable?
by lauraxie2e
Mon Nov 18, 2019 2:56 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: 3
Views: 55

CH2Cl2

Does anyone know why when we draw the lewis structure for this we draw the hydrogens next to each other and the chlorines next to each other instead of across from each other, because if we have them next to each other I understand why there is dipole dipole attraction forces, but if they were acros...
by lauraxie2e
Mon Nov 18, 2019 1:58 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: wedge and dash
Replies: 2
Views: 45

wedge and dash

When do I use wedge and dash to draw models? For example CH4 in class we drew it using wedge and dash, but SF6 we didn't?
by lauraxie2e
Mon Nov 18, 2019 1:55 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: midterm
Replies: 2
Views: 30

midterm

On Lewis structures, do we have to know when do draw the wedge and dash for the midterm?
by lauraxie2e
Wed Nov 13, 2019 9:23 am
Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Topic: 3F.5 (b)
Replies: 4
Views: 50

Re: 3F.5 (b)

Butanol because when you look at the Lewis Structures, it has a hydrogen bond which holds the highest strength.
by lauraxie2e
Wed Nov 13, 2019 9:21 am
Forum: Bond Lengths & Energies
Topic: Homework for week 7
Replies: 5
Views: 62

Re: Homework for week 7

I believe 3F or anything pass that
by lauraxie2e
Wed Nov 13, 2019 9:20 am
Forum: Dipole Moments
Topic: Intermolecular Forces
Replies: 6
Views: 62

Re: Intermolecular Forces

CHI3 because the size of it makes the forces stronger
by lauraxie2e
Fri Nov 08, 2019 10:17 am
Forum: Formal Charge and Oxidation Numbers
Topic: central atom
Replies: 21
Views: 241

Re: central atom

yes ideally you want every atom to have a formal charge of 0
by lauraxie2e
Fri Nov 08, 2019 10:16 am
Forum: Octet Exceptions
Topic: Lewis Acids and Bases?
Replies: 11
Views: 150

Re: Lewis Acids and Bases?

an acid accepts a lone pair and a base gives one up
by lauraxie2e
Wed Nov 06, 2019 9:30 am
Forum: Administrative Questions and Class Announcements
Topic: DINO NUGGETS Review Session! Download Problems HERE [ENDORSED]
Replies: 52
Views: 4910

Re: DINO NUGGETS Review Session! Download Problems HERE [ENDORSED]

For 6D I am still unclear on what it means by wave like properties, could someone explain that to me?
by lauraxie2e
Tue Nov 05, 2019 5:01 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: question 1D23
Replies: 3
Views: 144

question 1D23

how come a) n=4 l=1 has six orbitals that could contain it?
by lauraxie2e
Tue Nov 05, 2019 4:33 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: equation
Replies: 1
Views: 45

equation

why is it that in Heisenbergs uncertainty principle (delta)p(delta)x is greater than h/4pi but also equal to h/2?
by lauraxie2e
Wed Oct 30, 2019 10:37 am
Forum: Resonance Structures
Topic: Resonance Clarification
Replies: 8
Views: 101

Re: Resonance Clarification

It has multiple bonds that can be placed differently so the electrons flow around smoothly
by lauraxie2e
Wed Oct 30, 2019 10:36 am
Forum: Lewis Structures
Topic: Formal Charge [ENDORSED]
Replies: 6
Views: 81

Re: Formal Charge [ENDORSED]

Formal charge is the charge assigned to a bonded atom. The formula is FC=V-(LP+0.5BP)
by lauraxie2e
Wed Oct 30, 2019 10:33 am
Forum: Administrative Questions and Class Announcements
Topic: Midterm
Replies: 4
Views: 49

Midterm

Will bonding be on the midterm?
by lauraxie2e
Wed Oct 30, 2019 10:24 am
Forum: Lewis Structures
Topic: Question 2A9
Replies: 4
Views: 74

Question 2A9

When it says which metal is M^2+ and the configuration is [Ar]3d^7 do they leave off 4s^s because of the 2+ charge on the metal?
by lauraxie2e
Wed Oct 30, 2019 9:58 am
Forum: Lewis Structures
Topic: Valence electrons
Replies: 5
Views: 86

Valence electrons

What would be an example of an element that the d orbitals effect the number of valence electrons?
by lauraxie2e
Mon Oct 21, 2019 4:39 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: quantum numbers
Replies: 3
Views: 49

quantum numbers

say for instance n=3
would l=0,1,2 and ml=-1,0,1? would that be it?
by lauraxie2e
Mon Oct 21, 2019 4:36 pm
Forum: DeBroglie Equation
Topic: 1B.19 Help
Replies: 3
Views: 63

Re: 1B.19 Help

Because they have about the same mass, they should have pretty much the same wavelength
by lauraxie2e
Mon Oct 21, 2019 4:35 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: What's the right equation?
Replies: 7
Views: 102

Re: What's the right equation?

the first one should be the equation for heisenburg's uncertainty principle
by lauraxie2e
Mon Oct 21, 2019 4:32 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: exceptions
Replies: 2
Views: 29

exceptions

Which elements were the exceptions to the normal electron configurations?
by lauraxie2e
Mon Oct 21, 2019 4:30 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: example in class
Replies: 6
Views: 82

example in class

so last week we did an example in class that said n=2; l=1; ml=-1

and the answer was that we had an electron that was in 2px state, I get the fact that it is 2p but why subscript x?
by lauraxie2e
Wed Oct 16, 2019 9:22 am
Forum: Properties of Light
Topic: 1A.6
Replies: 3
Views: 47

Re: 1A.6

radio, infrared, uv, visual light
by lauraxie2e
Wed Oct 16, 2019 9:16 am
Forum: Properties of Electrons
Topic: electrons ejected [ENDORSED]
Replies: 3
Views: 62

electrons ejected [ENDORSED]

If the energy of light is less than the ionization energy does that mean no electrons are ejected?
by lauraxie2e
Wed Oct 16, 2019 9:14 am
Forum: DeBroglie Equation
Topic: ionization energy
Replies: 2
Views: 71

ionization energy

would the ionization energy be the same thing as work function?
by lauraxie2e
Wed Oct 16, 2019 9:12 am
Forum: Properties of Electrons
Topic: electron mass
Replies: 8
Views: 99

electron mass

For tests will we have to know the electron mass?
by lauraxie2e
Wed Oct 16, 2019 9:10 am
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: how to express answer
Replies: 6
Views: 43

how to express answer

in the answers to questions using the uncertainty equation, do you leave it with the greater than equal to sign or just an equal sign?
by lauraxie2e
Sat Oct 12, 2019 9:29 pm
Forum: General Science Questions
Topic: Tests
Replies: 9
Views: 127

Re: Tests

Sometimes they will give it to you, but it is pretty easy and helpful just to memorize them.
by lauraxie2e
Sat Oct 12, 2019 9:28 pm
Forum: Properties of Light
Topic: 1A.3
Replies: 4
Views: 62

Re: 1A.3

I believe the answer is C because E=hv and so frequency and energy are directly related.

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