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: 2729
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: 428
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: 358
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: 364
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: 893
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: 5074
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: 1890
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: 2827
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: 1520
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: 2043
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: 3981
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: 437
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: 1649
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: 1216
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: 2726
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: 18358
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: 882
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: 3587
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: 622
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: 991
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: 3880
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: 2596
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: 1292
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: 1263
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: 1624
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: 2756
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: 1962
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: 1372
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: 8391
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: 3746
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: 638
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: 403
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: 14419
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: 791
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: 373
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: 3177
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: 15381
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: 2726
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: 473
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: 14419
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: 1483
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: 190
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: 467
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: 381
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: 5908
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: 3443
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: 900
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: 3587
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: 245
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: 1972
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: 5908
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: 18358
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: 1992
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: 2533
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: 601
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: 281
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: 1256
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: 439
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: 687
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: 359
Re: sulfur dioxide
Metal oxides are acids
- Tue Dec 15, 2020 11:58 am
- Forum: Amphoteric Compounds
- Topic: Amphoteric
- Replies: 8
- Views: 628
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: 425
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: 1213
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: 848
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: 4332
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: 1596
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: 11755
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: 935
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: 456
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: 1764
Re: Indicators as Weak Acids
The release of H+
- Sun Nov 29, 2020 8:01 pm
- Forum: *Indicators
- Topic: Indicators
- Replies: 6
- Views: 2232
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: 2541
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: 1868
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: 263
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: 794
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: 1621
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: 810
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: 2342
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: 462
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: 32151
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: 241
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: 1775
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: 482
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: 451
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: 754
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: 3232
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: 442
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: 442
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: 373
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: 795
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: 608
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: 425
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: 810
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: 612
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: 17086
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: 5253
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: 1293
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: 1604
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: 937
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: 695
Re: Theoretical Yield
I think it would want a mass, so in grams for the final answer.