Search found 109 matches
- Fri Mar 12, 2021 10:43 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: delta U=0
- Replies: 17
- Views: 2685
Re: delta U=0
No change in temperature means deltaU=0 because q=-w
- Fri Mar 12, 2021 10:42 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: adiabatic reactions
- Replies: 6
- Views: 417
Re: adiabatic reactions
Adiabatic means no heat added or leaving the system.
- Fri Mar 12, 2021 10:41 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Constant volume
- Replies: 5
- Views: 356
Re: Constant volume
Constant volume means no change in volume, meaning 0 work.
- Fri Mar 12, 2021 10:40 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Cp and Cv
- Replies: 5
- Views: 360
Re: Cp and Cv
Constant volume (Cv) is 3/2R and constant pressure (Cp) is 5/2R
- Fri Mar 12, 2021 10:39 am
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: E naught
- Replies: 13
- Views: 858
Re: E naught
At equilibrium, E naught equals 0
- Fri Mar 12, 2021 10:39 am
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: n in ∆G = -nFE
- Replies: 80
- Views: 4514
Re: n in ∆G = -nFE
n is the number of electrons transferred or cancelled out when balancing the half reactions.
- Sat Mar 06, 2021 5:53 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: E vs E naught
- Replies: 36
- Views: 1734
Re: E vs E naught
E naught is standard conditions ex. 298K
- Sat Mar 06, 2021 5:52 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Taking the Anti-Log
- Replies: 37
- Views: 2685
Re: Taking the Anti-Log
antilog is 10^-(Pka)
- Sat Mar 06, 2021 5:50 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: pka vs ka
- Replies: 28
- Views: 1429
Re: pka vs ka
logAB= logA + logB
- Sat Mar 06, 2021 5:49 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: ICE Tables
- Replies: 36
- Views: 1946
Re: ICE Tables
It is dependent on the stoichiometric coefficients and whether the compound is a reactant or product for a negative or positive value of x.
- Sat Mar 06, 2021 5:48 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Clarification on pKw
- Replies: 15
- Views: 3919
Re: Clarification on pKw
Kw should be 10^-14 which would be used in the calculation.
- Sat Mar 06, 2021 5:45 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Total Pressure
- Replies: 6
- Views: 426
Re: Total Pressure
Solids and liquids would not count for this. This would apply for gases for Kp.
- Sat Mar 06, 2021 5:44 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Solids and Liquids?
- Replies: 26
- Views: 1525
Re: Solids and Liquids?
For this law, only gases apply.
- Sun Feb 28, 2021 11:47 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: coulomb?
- Replies: 18
- Views: 1170
Re: coulomb?
charge is represented in coloumbs
- Sun Feb 28, 2021 11:46 pm
- Forum: Phase Changes & Related Calculations
- Topic: Enthalpy vs heat
- Replies: 31
- Views: 2625
Re: Enthalpy vs heat
Enthalpy is a state property while heat is not.
- Sun Feb 28, 2021 11:46 pm
- Forum: Phase Changes & Related Calculations
- Topic: Endothermic v. Exothermic
- Replies: 139
- Views: 15384
Re: Endothermic v. Exothermic
Positive delta H represents endothermic while negative delta H represents exothermic.
- Sun Feb 28, 2021 11:45 pm
- Forum: Phase Changes & Related Calculations
- Topic: Voltage difference
- Replies: 9
- Views: 838
Re: Voltage difference
It is the maximum voltage difference.
- Sun Feb 28, 2021 11:44 pm
- Forum: Phase Changes & Related Calculations
- Topic: State Property
- Replies: 71
- Views: 3287
Re: State Property
State Properties depend on the final and initial values only
- Sun Feb 28, 2021 11:43 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: DeltaH to q
- Replies: 7
- Views: 602
Re: DeltaH to q
Delta H is only for constant pressure
- Wed Feb 24, 2021 11:29 pm
- Forum: Balancing Redox Reactions
- Topic: E naught
- Replies: 15
- Views: 978
Re: E naught
Since E naught is an intensive property, it does not change if the reaction is multiplied.
- Wed Feb 24, 2021 11:26 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: State property
- Replies: 47
- Views: 3753
Re: State property
State properties do not take into account the path taken to get the final result. It is just final minus initial.
- Wed Feb 24, 2021 11:24 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: Cv and Cp
- Replies: 14
- Views: 2530
Re: Cv and Cp
Cp = Cv + R
- Wed Feb 24, 2021 11:23 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: isobaric
- Replies: 20
- Views: 1269
Re: isobaric
Isobaric means constant pressure. So, in this case, there can still be work.
- Wed Feb 24, 2021 11:23 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: Adiabatic
- Replies: 26
- Views: 1213
Re: Adiabatic
Heat, q, is neither gained or lost. This makes q=0
- Wed Feb 24, 2021 11:21 pm
- Forum: Ideal Gases
- Topic: Conditions
- Replies: 20
- Views: 1585
Re: Conditions
1 atm and 273 degrees Kelvin
- Wed Feb 24, 2021 11:21 pm
- Forum: Ideal Gases
- Topic: Exo vs Endothermic
- Replies: 40
- Views: 2566
Re: Exo vs Endothermic
When bonds break, that requires energy, making it endothermic. However, when bonds form, there is a release of energy, making it exothermic.
- Wed Feb 24, 2021 11:19 pm
- Forum: Ideal Gases
- Topic: Gas Constant Value
- Replies: 43
- Views: 1753
Re: Gas Constant Value
The gas constant you use depends on the units given in the problem.
- Wed Feb 24, 2021 11:18 pm
- Forum: Ideal Gases
- Topic: Units for K
- Replies: 29
- Views: 1299
Re: Units for K
Because K is a ratio, the unit cancel out.
- Wed Feb 24, 2021 11:18 pm
- Forum: Ideal Gases
- Topic: Temperature
- Replies: 99
- Views: 7031
Re: Temperature
Yes standard is 25 degrees Celsius, which is 298 degrees Kelvin.
- Sun Feb 14, 2021 11:20 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: q equation
- Replies: 21
- Views: 3673
Re: q equation
If they give you mass, then use m but if given moles then use n.
- Sun Feb 14, 2021 11:17 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Bomb Calorimeter
- Replies: 12
- Views: 598
Re: Bomb Calorimeter
A bomb calorimeter is an isolated system
- Sun Feb 14, 2021 11:15 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: q and internal energy
- Replies: 8
- Views: 391
Re: q and internal energy
When volume is constant, delta U equals q, because there is no work being done.
- Sun Feb 14, 2021 11:14 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Can heat capacities be negative?
- Replies: 52
- Views: 14072
Re: Can heat capacities be negative?
Heat capacities represent how much heat is necessary for to heat 1 gram of a substance of substance by 1 degree Celsius, so this is endothermic, meaning heat capacities cannot be negative.
- Sun Feb 14, 2021 11:13 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Heat Capacity
- Replies: 10
- Views: 746
Re: Heat Capacity
Yes it allows varied temperatures to be used in the equation to find heat, not just one singular temperature unless it is specific heat capacity.
- Sun Feb 14, 2021 11:11 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Cv vs Cp
- Replies: 5
- Views: 371
Re: Cv vs Cp
Cp is 5/2R while Cv is 3/2R
- Sat Feb 06, 2021 6:37 pm
- Forum: Phase Changes & Related Calculations
- Topic: Boiling water
- Replies: 25
- Views: 3082
Re: Boiling water
The vapor is created due to the braking of the hydrogen bonds which is due to the high heat from boiling.
- Sat Feb 06, 2021 6:35 pm
- Forum: Phase Changes & Related Calculations
- Topic: Vapor vs gas
- Replies: 121
- Views: 12601
Re: Vapor vs gas
Yes vapor is in the gas phase
- Sat Feb 06, 2021 6:34 pm
- Forum: Phase Changes & Related Calculations
- Topic: Enthalpy vs heat
- Replies: 31
- Views: 2625
Re: Enthalpy vs heat
Enthalpy is a state property while heat is not
- Sat Feb 06, 2021 6:30 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Thermochemistry Equations?
- Replies: 7
- Views: 453
Re: Thermochemistry Equations?
Memorize all equations would be the best advice, if they are not on the sheet of course.
- Sat Feb 06, 2021 6:29 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Can heat capacities be negative?
- Replies: 52
- Views: 14072
Re: Can heat capacities be negative?
Heat capacity is how much heat is gained so it must be positive.
- Sun Jan 31, 2021 3:37 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Strong Acids/Bases
- Replies: 19
- Views: 1407
Re: Strong Acids/Bases
Yes agreed, strong acids should be memorized
- Sun Jan 31, 2021 3:36 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Units of concentrations in equilibrium
- Replies: 4
- Views: 181
Re: Units of concentrations in equilibrium
The standard would be moles/liters
- Sun Jan 31, 2021 3:36 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Ka and Kb
- Replies: 9
- Views: 442
Re: Ka and Kb
Ka is used for when referring to acids. But, if the problems gives you a base, you must use the Kb.
- Sun Jan 31, 2021 3:35 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Cubic Equations
- Replies: 6
- Views: 370
Re: Cubic Equations
Yes this would lead to an approximation rather than actually solving for the cubic equation
- Sun Jan 31, 2021 3:34 pm
- Forum: Phase Changes & Related Calculations
- Topic: Define Phase Change
- Replies: 78
- Views: 5531
Re: Define Phase Change
It is the factor of one phase being changed to another, like freezing a liquid into a solid (ice)
- Sun Jan 31, 2021 3:31 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Hess's Law
- Replies: 58
- Views: 3158
Re: Hess's Law
Enthalpies are additive due to the fact that they are state functions
- Sun Jan 24, 2021 5:43 pm
- Forum: Phase Changes & Related Calculations
- Topic: Constant Temperature
- Replies: 20
- Views: 831
Re: Constant Temperature
Energy or heat is necessary to break bonds so heat is consumed rather than released when forming a bond.
- Sun Jan 24, 2021 5:42 pm
- Forum: Phase Changes & Related Calculations
- Topic: State Property
- Replies: 71
- Views: 3287
Re: State Property
An example is delta H, depending on the final and initial values.
- Sun Jan 24, 2021 5:42 pm
- Forum: Phase Changes & Related Calculations
- Topic: Thermochemistry on Midterm 1
- Replies: 4
- Views: 223
Re: Thermochemistry on Midterm 1
4D.15, 4D.17, 4D.19, 4D.21, 4D.23, 4E.5, 4E.7, 4E.9, 4.29, 4.31
These were the questions in the email for Midterm 1
These were the questions in the email for Midterm 1
- Sun Jan 24, 2021 5:41 pm
- Forum: Phase Changes & Related Calculations
- Topic: H and q
- Replies: 47
- Views: 1786
Re: H and q
delta H is a change in enthalpy
- Sun Jan 24, 2021 5:40 pm
- Forum: Phase Changes & Related Calculations
- Topic: Define Phase Change
- Replies: 78
- Views: 5531
Re: Define Phase Change
An example would be the melting of solid ice into a liquid water is a phase change
- Sun Jan 24, 2021 5:39 pm
- Forum: Phase Changes & Related Calculations
- Topic: Endothermic v. Exothermic
- Replies: 139
- Views: 15384
Re: Endothermic v. Exothermic
Endothermic always has a positive delta (change in) H
- Sun Jan 17, 2021 5:08 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Q and K
- Replies: 46
- Views: 1824
Re: Q and K
Yes, K is the equilibrium constant because it represents the ratio of products and reactants at equilibrium.
- Sun Jan 17, 2021 5:07 pm
- Forum: Ideal Gases
- Topic: Inverse Kc [ENDORSED]
- Replies: 41
- Views: 2283
Re: Inverse Kc [ENDORSED]
Inverse of K is used for when finding the reverse reaction.
- Sun Jan 17, 2021 5:06 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Endothermic/exothermic reactions and K
- Replies: 11
- Views: 585
Re: Endothermic/exothermic reactions and K
For endothermic reaction, temperature increases with K.
- Sun Jan 17, 2021 5:05 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Reaction shift
- Replies: 5
- Views: 273
Re: Reaction shift
If shift left, more reactants necessary, so add x to the reactants.
- Sun Jan 17, 2021 5:04 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: shifts left or right
- Replies: 23
- Views: 1174
Re: shifts left or right
If shifts right, more products being produced.
- Tue Dec 15, 2020 12:02 pm
- Forum: Acidity & Basicity Constants and The Conjugate Seesaw
- Topic: Ka and pH
- Replies: 6
- Views: 430
Re: Ka and pH
The higher the Ka, the stronger the acid, so the lower the pH, meaning the higher the pOH
- Tue Dec 15, 2020 12:02 pm
- Forum: Bronsted Acids & Bases
- Topic: lewis vs bronsted
- Replies: 10
- Views: 656
Re: lewis vs bronsted
Bronsted refers to the protons while Lewis refers to the electrons. Bronsted acid will donate a proton while a Bronsted base will gain a proton. In terms of Lewis, a Lewis acid will gain a pair of electrons while a Lewis base will donate a pair of electrons. Lewis and Bronsted are just ways of descr...
- Tue Dec 15, 2020 11:59 am
- Forum: Lewis Acids & Bases
- Topic: sulfur dioxide
- Replies: 3
- Views: 348
Re: sulfur dioxide
Metal oxides are acids
- Tue Dec 15, 2020 11:58 am
- Forum: Amphoteric Compounds
- Topic: Amphoteric
- Replies: 8
- Views: 607
Re: Amphoteric
This will be more covered in 14B I believe is what Dr. Lavelle was alluding to in the lectures. However, when amphoteric, the compound does have the ability to be an acid or base
- Tue Dec 15, 2020 11:56 am
- Forum: Air Pollution & Acid Rain
- Topic: Acid rain
- Replies: 5
- Views: 414
Re: Acid rain
By reducing the SO3 NO3 and CO3 you reduce the acid rain as those mix with H20 to create acid rain
- Tue Dec 15, 2020 11:55 am
- Forum: Calculating the pH of Salt Solutions
- Topic: Solving PH/PoH
- Replies: 11
- Views: 1188
Re: Solving PH/PoH
If given the molarity of an H+ ion, then you take the -log of that molarity to gain the pH. Then, you do 14-pH in order to give you the pOH
- Tue Dec 15, 2020 11:54 am
- Forum: Conjugate Acids & Bases
- Topic: Alkaline
- Replies: 16
- Views: 809
Re: Alkaline
Yes I believe that a solution with pH greater than 7 can be classified as alkaline and basic
- Sun Dec 06, 2020 4:24 pm
- Forum: Hybridization
- Topic: Pi Bonds Cannot Rotate
- Replies: 29
- Views: 4197
Re: Pi Bonds Cannot Rotate
if the bond were to rotate it would break because they are parallel
- Sun Dec 06, 2020 4:23 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Bond Angles
- Replies: 13
- Views: 1541
Re: Bond Angles
lone pairs cause repulsion that cause lower bond angles
- Sun Dec 06, 2020 4:21 pm
- Forum: Hybridization
- Topic: How to simply determine hybridization
- Replies: 27
- Views: 11425
Re: How to simply determine hybridization
Find the amount of regions of electron density. if it is 2, then hybridization is sp, if 3 then sp2, if 4 regions of electron density, then sp3 and so on
- Sun Dec 06, 2020 4:18 pm
- Forum: Conjugate Acids & Bases
- Topic: Conjugate acids vs conjugate base
- Replies: 12
- Views: 895
Re: Conjugate acids vs conjugate base
conjugate acid has an added hydrogen ion
- Sun Dec 06, 2020 4:16 pm
- Forum: Bronsted Acids & Bases
- Topic: bronsted vs. lewis acid
- Replies: 10
- Views: 438
Re: bronsted vs. lewis acid
Bronsted acid- proton donor
Lewis acid- electron pair acceptor
Lewis acid- electron pair acceptor
- Sun Nov 29, 2020 8:02 pm
- Forum: *Indicators
- Topic: Indicators as Weak Acids
- Replies: 3
- Views: 1754
Re: Indicators as Weak Acids
The release of H+
- Sun Nov 29, 2020 8:01 pm
- Forum: *Indicators
- Topic: Indicators
- Replies: 6
- Views: 2217
Re: Indicators
If we don't cover it in class I don't think we need to know it
- Sun Nov 29, 2020 7:57 pm
- Forum: *Crystal Field Theory
- Topic: Electric Field
- Replies: 6
- Views: 2533
Re: Electric Field
created with the anions existing there
- Sun Nov 29, 2020 7:57 pm
- Forum: Industrial Examples
- Topic: Coordination compounds as Chemotherapy drugs
- Replies: 9
- Views: 1841
Re: Coordination compounds as Chemotherapy drugs
cisplatin is stronger as the chlorines are on the same side
- Sun Nov 29, 2020 7:56 pm
- Forum: Naming
- Topic: Naming Complexes
- Replies: 7
- Views: 251
Re: Naming Complexes
I think we should wait for him to go over it as well
- Sun Nov 22, 2020 4:05 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: sigma bond
- Replies: 11
- Views: 765
Re: sigma bond
A sigma bond is between two differing orbitals and can rotate
- Sun Nov 22, 2020 4:02 pm
- Forum: Dipole Moments
- Topic: Polarity
- Replies: 30
- Views: 1496
Re: Polarity
The dipoles can cancel each other out in the compound
- Sun Nov 22, 2020 4:00 pm
- Forum: Coordinate Covalent Bonds
- Topic: What is a coordinate Covalent Bond
- Replies: 11
- Views: 792
Re: What is a coordinate Covalent Bond
Bond between Lewis acid and base
- Sun Nov 22, 2020 3:57 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Lone Pair E-
- Replies: 47
- Views: 2139
Re: Lone Pair E-
Yes a lone pair is considered a region of electron density
- Sun Nov 22, 2020 3:56 pm
- Forum: Hybridization
- Topic: Pi and Sigma Bonds
- Replies: 10
- Views: 449
Re: Pi and Sigma Bonds
It is sigma first and then for double bond would be sigma pi as covalent bonds
- Sun Nov 22, 2020 3:54 pm
- Forum: Resonance in Organic Compounds
- Topic: Resonance
- Replies: 3
- Views: 31994
Re: Resonance
Yes as long as you create a correct Lewis Structure for the compound that has the lowest possible formal charge
- Sun Nov 15, 2020 3:18 pm
- Forum: Ionic & Covalent Bonds
- Topic: orbitals vs subshells
- Replies: 6
- Views: 231
Re: orbitals vs subshells
s, p, d, and f are subshells that each have orbitals. s has 1 orbital, p has 3 orbitals, d has 5 orbitals, and f has 7 orbitals. Each orbital can hold up to two electrons with opposing spins.
- Sun Nov 15, 2020 3:16 pm
- Forum: Ionic & Covalent Bonds
- Topic: London Dispersion Forces
- Replies: 11
- Views: 1709
Re: London Dispersion Forces
All molecules have them, but the bigger the atom's size, the stronger the force
- Sun Nov 15, 2020 3:14 pm
- Forum: Ionic & Covalent Bonds
- Topic: Electronegativity difference
- Replies: 12
- Views: 455
Re: Electronegativity difference
Between .4 and 2 are dipoles
- Sun Nov 08, 2020 5:25 pm
- Forum: Trends in The Periodic Table
- Topic: Nuclear Charge
- Replies: 7
- Views: 424
Re: Nuclear Charge
nuclear charge is the pull of the nucleus
- Sun Nov 08, 2020 5:24 pm
- Forum: Trends in The Periodic Table
- Topic: # of electrons
- Replies: 23
- Views: 704
Re: # of electrons
number of valence electrons is based on the columns starting with left side column 1 of Hydrogen and they hace 1 valence eletron and so on for the other columns. column #= valence electron #
- Sat Oct 31, 2020 5:45 pm
- Forum: Trends in The Periodic Table
- Topic: Atomic Radius
- Replies: 30
- Views: 3149
Re: Atomic Radius
when you add electors the radius increases
- Sat Oct 31, 2020 5:44 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Sapling Question on number of electrons
- Replies: 6
- Views: 434
Re: Sapling Question on number of electrons
only one electron can have a certain amount of quantum numbers
- Sat Oct 31, 2020 5:43 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Clarification on ml quantum number
- Replies: 7
- Views: 413
Re: Clarification on ml quantum number
it refers to the angular momentum quantum number
- Sat Oct 31, 2020 5:42 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Shape of Orbitals
- Replies: 8
- Views: 363
Re: Shape of Orbitals
l describes the shape
- Sat Oct 31, 2020 5:42 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: d orbitals
- Replies: 17
- Views: 765
Re: d orbitals
5 orbitals can hold maximum 10 electrons
- Sat Oct 31, 2020 5:41 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: Nodal Planes
- Replies: 10
- Views: 592
Re: Nodal Planes
the s-orbital is an exception in this case I am pretty sure
- Sat Oct 31, 2020 5:40 pm
- Forum: Trends in The Periodic Table
- Topic: Ionization Energy
- Replies: 9
- Views: 397
Re: Ionization Energy
This helped a lot thank you! Is this always the case?
- Sat Oct 31, 2020 5:39 pm
- Forum: Trends in The Periodic Table
- Topic: Periodic Table & Electron Affinity
- Replies: 11
- Views: 768
Re: Periodic Table & Electron Affinity
increases across a period and decreased down a group
- Sat Oct 31, 2020 5:38 pm
- Forum: Octet Exceptions
- Topic: Octet Exceptions
- Replies: 10
- Views: 576
Re: Octet Exceptions
The exceptions are due to the valence electrons and orbitals that they occupy
- Sat Oct 31, 2020 5:36 pm
- Forum: Ionic & Covalent Bonds
- Topic: Is ionic or covalent stronger?
- Replies: 31
- Views: 16782
Re: Is ionic or covalent stronger?
I think it depends on the situation, but I have heard ionic are stronger
- Thu Oct 22, 2020 5:49 pm
- Forum: Balancing Chemical Reactions
- Topic: Periodic Table
- Replies: 66
- Views: 5034
Re: Periodic Table
We will be given constants, periodic table, and the equations accordingly for the test.
- Thu Oct 22, 2020 5:48 pm
- Forum: Balancing Chemical Reactions
- Topic: Writing Equations [ENDORSED]
- Replies: 15
- Views: 1235
Re: Writing Equations [ENDORSED]
This clarification helped a lot thank you very much!
- Thu Oct 22, 2020 5:47 pm
- Forum: Limiting Reactant Calculations
- Topic: Double Check my Understanding
- Replies: 11
- Views: 1556
Re: Double Check my Understanding
You are correct, you do not want to multiply the molar masses by the coefficients.
- Thu Oct 22, 2020 5:46 pm
- Forum: Limiting Reactant Calculations
- Topic: General Limiting Question
- Replies: 9
- Views: 907
Re: General Limiting Question
Yes the limiting reactant determines the most of the reactants that can be used to form product before running out. So, the product will be determined by the limiting reactant.
- Thu Oct 22, 2020 5:45 pm
- Forum: Limiting Reactant Calculations
- Topic: Theoretical Yield
- Replies: 12
- Views: 679
Re: Theoretical Yield
I think it would want a mass, so in grams for the final answer.