Search found 89 matches
- Sun Mar 15, 2020 3:05 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Galvanic and voltaic cells
- Replies: 5
- Views: 435
Re: Galvanic and voltaic cells
they're synonymous
- Sun Mar 15, 2020 3:04 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: temp vs k
- Replies: 3
- Views: 324
Re: temp vs k
there's a direct relationship so increasing temp should also increase K
- Sun Mar 15, 2020 3:03 pm
- Forum: Calculating Work of Expansion
- Topic: reversible expansion
- Replies: 4
- Views: 415
Re: reversible expansion
the area under the curve is the work by expansion
- Sun Mar 15, 2020 3:02 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: pH of acids
- Replies: 13
- Views: 1093
Re: pH of acids
weak acids have a pH that's closer to 7 (neutral)
- Sun Mar 15, 2020 3:02 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Chem Final Typo
- Replies: 8
- Views: 843
Re: Chem Final Typo
it didn't seem like a typo
- Sun Mar 08, 2020 8:47 pm
- Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
- Topic: Cell potential
- Replies: 6
- Views: 528
Re: Cell potential
water dilutes the solution.Whether it increases or decreases cell potential depends on the problem
- Sun Mar 08, 2020 8:46 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Figuring out n
- Replies: 15
- Views: 1000
Re: Figuring out n
n is the number of electrons that are transferred
- Sun Mar 08, 2020 8:45 pm
- Forum: Van't Hoff Equation
- Topic: what does it do?
- Replies: 13
- Views: 1027
Re: what does it do?
it helps you find the K when there are changes in temperature
- Sun Mar 08, 2020 8:44 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Study Advice
- Replies: 73
- Views: 7326
Re: Study Advice
I do all the textbook problems
- Sun Mar 08, 2020 8:44 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Cell Diagram
- Replies: 21
- Views: 1226
Re: Cell Diagram
reduction is in the cathode while oxidation occurs in the anode. Also, the cathode is typically on the right
- Sun Mar 01, 2020 10:21 pm
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: gibbs free energy
- Replies: 15
- Views: 888
Re: gibbs free energy
Gibbs free energy is the energy available to do work
- Sun Mar 01, 2020 10:20 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: when to use K or Q
- Replies: 18
- Views: 1124
Re: when to use K or Q
K is used when the reaction is at equilibrium and Q is used when it’s not
- Sun Mar 01, 2020 10:16 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: cell potential
- Replies: 15
- Views: 844
Re: cell potential
When E is positive and delta G is negative, spontaneity is involved
- Sun Mar 01, 2020 10:15 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Galvanic Cells
- Replies: 10
- Views: 603
Re: Galvanic Cells
Zero means that the battery has died
- Sun Mar 01, 2020 10:14 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Salt Bridge
- Replies: 12
- Views: 712
Re: Salt Bridge
A salt bridge allows electrons to flow from one side to the other
- Sun Feb 23, 2020 1:08 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Determining if a cell reaction is spontaneuous
- Replies: 5
- Views: 436
Re: Determining if a cell reaction is spontaneuous
a negative delta G signifies the reaction is spontaneous.
- Sun Feb 23, 2020 1:07 am
- Forum: Balancing Redox Reactions
- Topic: Calculating the reaction Gibbs free energy
- Replies: 7
- Views: 489
Re: Calculating the reaction Gibbs free energy
n is the number of moles of electrons being transferred
- Sun Feb 23, 2020 1:07 am
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Adding Inert Gas
- Replies: 20
- Views: 1153
Re: Adding Inert Gas
adding an inert gas does not create a change
- Sun Feb 23, 2020 1:06 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: relevance of salt bridge
- Replies: 9
- Views: 628
Re: relevance of salt bridge
salts have the ability to transfer electrons so a salt bridge allows the flow of electrons from one side to the other
- Sun Feb 23, 2020 1:05 am
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: n in -nFE
- Replies: 14
- Views: 900
Re: n in -nFE
n=number of electrons transferred
- Sun Feb 16, 2020 11:42 am
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Why are exothermic reactions generally spontaneous?
- Replies: 16
- Views: 1257
Re: Why are exothermic reactions generally spontaneous?
Typically if delta H is negative, delta S is positive and delta G is negative this indicates spontaneity
- Sun Feb 16, 2020 11:40 am
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: adiabatic
- Replies: 19
- Views: 1091
Re: adiabatic
There is no heat exchange
- Sun Feb 16, 2020 11:39 am
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Gibbs Free energy concept
- Replies: 16
- Views: 881
Re: Gibbs Free energy concept
Gibbs free energy is the energy available to do work. A negative delta G indicates spontaneity whereas positive delta G means it’s not spontaneous
- Sun Feb 16, 2020 11:37 am
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Midterm Curve
- Replies: 45
- Views: 2344
Re: Midterm Curve
I also hope he curves it although I doubt he will. On the bright side, half the class will get a C or higher in the final grade I think
- Sun Feb 16, 2020 11:35 am
- Forum: Balancing Redox Reactions
- Topic: oxidation vs reduction
- Replies: 19
- Views: 1040
Re: oxidation vs reduction
Leo goes Ger [censored]
Losing electrons = oxidation
Gaining electrons= reduction
Losing electrons = oxidation
Gaining electrons= reduction
- Mon Feb 10, 2020 10:06 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Joules or KJ?
- Replies: 14
- Views: 2863
Joules or KJ?
when solving problems on the midterm, are we supposed to have final answers in J or kJ? or does it depend on the problem?
- Sun Feb 09, 2020 10:03 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Kelvin or Celsius?
- Replies: 86
- Views: 6254
Kelvin or Celsius?
when using PV=nRT is the temperature supposed to be celsius or kelvin?
- Sun Feb 09, 2020 9:58 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Expansion work/ Compression
- Replies: 7
- Views: 407
Re: Expansion work/ Compression
negative work means work is being done (expansion) whereas positive work signifies work is done on the system (compression)
- Sun Feb 09, 2020 9:54 pm
- Forum: Phase Changes & Related Calculations
- Topic: closed vs isolated
- Replies: 10
- Views: 614
Re: closed vs isolated
An isolated system has no contact with the outside environment (hence "isolated") whereas closed systems can still interact with the environment
- Sun Feb 09, 2020 9:50 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Calorimeters
- Replies: 17
- Views: 1014
Re: Calorimeters
calorimeters keep a constant volume
- Sun Feb 09, 2020 9:46 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Hess's Law
- Replies: 10
- Views: 300
Re: Hess's Law
Since enthalpy is a state function, their values can be added/subtracted together
- Sun Feb 09, 2020 9:40 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Isolated// Energy
- Replies: 11
- Views: 621
Re: Isolated// Energy
There is no change in energy in an isolated system since there is no interaction with the outside environment
- Sun Feb 02, 2020 3:14 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Hess's Law vs Bond Enthalpies vs Standard Enthalpies of Formation
- Replies: 7
- Views: 314
Re: Hess's Law vs Bond Enthalpies vs Standard Enthalpies of Formation
PranaviKolla2B wrote:Can someone please define Hess's Law?
according to google, Hess' law "states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes. This law is a manifestation that enthalpy is a state function."
- Sun Feb 02, 2020 3:13 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: hess's law
- Replies: 13
- Views: 392
Re: hess's law
if they have the same number of moles on both sides they cancel out
- Sun Feb 02, 2020 2:56 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Elements
- Replies: 8
- Views: 179
Re: Elements
diatomic elements are steady and are found to be that way in nature so the enthalpy of formation is 0kj/mol
- Sun Feb 02, 2020 2:47 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Weaker Base, Higher pKb
- Replies: 4
- Views: 275
Re: Weaker Base, Higher pKb
the bigger the kb, the lower the pkb (log properties) which also means the stronger the base
- Sun Feb 02, 2020 2:46 pm
- Forum: Ideal Gases
- Topic: pv=nrt
- Replies: 9
- Views: 406
Re: pv=nrt
everything in the equation except for R is variable. R is a constant and you can use that accordingly with the information given in the problem
- Sun Jan 26, 2020 11:46 am
- Forum: Phase Changes & Related Calculations
- Topic: Celsius and Kelvin
- Replies: 11
- Views: 460
Re: Celsius and Kelvin
K=273+c
- Sun Jan 26, 2020 11:45 am
- Forum: Phase Changes & Related Calculations
- Topic: Entropy vs Enthalpy
- Replies: 9
- Views: 202
Re: Entropy vs Enthalpy
Entropy is a measure of disorder in the universe whereas enthalpy is how much heat is absorbed or released in a given reaction
- Sun Jan 26, 2020 11:42 am
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Hess's Law
- Replies: 7
- Views: 337
Re: Hess's Law
Two or more reactions can be added together
- Sun Jan 26, 2020 11:41 am
- Forum: Phase Changes & Related Calculations
- Topic: motion of atoms
- Replies: 2
- Views: 96
Re: motion of atoms
Solids tend to have more “orderly” atoms since they’re stuck in their forms whereas gases have fast moving and “disorganized” atoms
- Wed Jan 22, 2020 7:30 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Ice Box Question
- Replies: 2
- Views: 113
Ice Box Question
When doing the ice box, do we always subtract X from the reactants? Or is there a specific method to figure out which side we subtract X by?
- Sun Jan 19, 2020 6:33 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: pH vs. pOH
- Replies: 13
- Views: 437
Re: pH vs. pOH
to find the pH use the concentration of an acid to find pOH use the concentration of a base. IF given pH you can simply subtract that from 14 to find the pOH
- Sun Jan 19, 2020 6:32 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: ICE table
- Replies: 11
- Views: 401
Re: ICE table
Usually you should use the ICE table for weak acids/ bases since the strong ones fully ionize
- Sun Jan 19, 2020 6:29 pm
- Forum: Ideal Gases
- Topic: R Constant
- Replies: 7
- Views: 283
Re: R Constant
R is usually 0.082- it may also be on the formula sheet
- Sun Jan 19, 2020 6:28 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Concentrations
- Replies: 12
- Views: 438
Re: Concentrations
the concentration only affects the Kc not Kp
- Sun Jan 19, 2020 6:24 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Endo vs. Exothermic
- Replies: 5
- Views: 202
Re: Endo vs. Exothermic
Typically a reaction that forms bonds is exothermic whereas a bond breaking reaction is usually endothermic
- Sun Jan 12, 2020 11:41 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: memorization
- Replies: 12
- Views: 621
Re: memorization
These are typically given on exams.
- Sun Jan 12, 2020 11:40 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Units for K
- Replies: 21
- Views: 691
Re: Units for K
There are no units since K is more so a ratio
- Sun Jan 12, 2020 11:39 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Homogenous Equilibrium
- Replies: 13
- Views: 407
Re: Homogenous Equilibrium
When products and reactants are in the same phase, the reaction is known as homogenous
- Sun Jan 12, 2020 11:38 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Reaction Direction
- Replies: 19
- Views: 1074
Re: Reaction Direction
When dealing with equilibrium, the reactions are typically reversible meaning that it could be left to right or the other way around
- Sun Jan 12, 2020 11:28 pm
- Forum: Ideal Gases
- Topic: Q vs. K
- Replies: 10
- Views: 353
Re: Q vs. K
Both are calculated using the same formulas but Q is used anytime during the reaction whilst K is calculated with equilibrium concentration and values!
- Sun Dec 08, 2019 12:06 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: Strength
- Replies: 6
- Views: 499
Re: Strength
yes London Forces are present in all molecules105289321 wrote:Are LDF present in all molecules?
- Sat Dec 07, 2019 1:51 pm
- Forum: Formal Charge and Oxidation Numbers
- Topic: Electron Configuration
- Replies: 10
- Views: 599
Electron Configuration
I am confused as to how we should order the electron configurations. I recall the correct order being like 4s2 then 3d10. However, in the textbook and midterm solutions it shows them being 3s2 3p6 3d10 then 4s2 4p6 etc. Which is right??
- Sun Dec 01, 2019 8:43 pm
- Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
- Topic: pH scale
- Replies: 12
- Views: 677
Re: pH scale
In most situations, pH ranges from 0-14
- Sun Dec 01, 2019 8:42 pm
- Forum: Conjugate Acids & Bases
- Topic: Water as an Acid/Base
- Replies: 20
- Views: 1592
Re: Water as an Acid/Base
water can act as both an acid and a base
- Sun Dec 01, 2019 8:40 pm
- Forum: Conjugate Acids & Bases
- Topic: NH3, acid or base?
- Replies: 12
- Views: 8261
Re: NH3, acid or base?
ammonia would be considered a weak base
- Sun Dec 01, 2019 8:39 pm
- Forum: Lewis Acids & Bases
- Topic: acid v. base?
- Replies: 16
- Views: 973
Re: acid v. base?
Lewis acids will donate electrons and Lewis bases will accept electrons
- Sun Dec 01, 2019 8:38 pm
- Forum: Lewis Acids & Bases
- Topic: Proton acceptor and proton donor?
- Replies: 33
- Views: 2219
Re: Proton acceptor and proton donor?
an acid donates electrons, whereas a base accepts electrons
- Sun Nov 24, 2019 11:52 pm
- Forum: Hybridization
- Topic: Sigma and Pi bonds
- Replies: 3
- Views: 153
Re: Sigma and Pi bonds
As stated above, the sigma bonds have more of an overlap in the electron cloud between the atoms, thus making the bond stronger.
- Sun Nov 24, 2019 11:49 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: AXE Format
- Replies: 34
- Views: 1307
Re: AXE Format
Simply including the X and the E would suffice.
Re: d-metals
yes I believe they are metals with d orbitals.
- Sun Nov 24, 2019 11:46 pm
- Forum: Naming
- Topic: Order in Naming
- Replies: 12
- Views: 760
Re: Order in Naming
first and foremost, place them in alphabetical order then find its charge
- Sun Nov 24, 2019 11:44 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Cis vs Trans
- Replies: 22
- Views: 1784
Re: Cis vs Trans
cis molecules are polar whereas trans molecules are nonpolar
- Sun Nov 17, 2019 9:22 pm
- Forum: Dipole Moments
- Topic: Hydrogen bonds
- Replies: 17
- Views: 838
Re: Hydrogen bonds
hydrogen bonds occur when hydrogen bonds with the electronegative elements F, O, N
- Sun Nov 17, 2019 9:20 pm
- Forum: Resonance Structures
- Topic: Resonance Structures
- Replies: 18
- Views: 1168
Re: Resonance Structures
resonance structures are lewis structures that are essentially all the same but have double/triple bonds at different locations
- Sun Nov 17, 2019 9:20 pm
- Forum: Resonance Structures
- Topic: Formal Charge Question
- Replies: 16
- Views: 945
Re: Formal Charge Question
they need to all add up and equal the overall charge
- Sun Nov 17, 2019 9:18 pm
- Forum: Bond Lengths & Energies
- Topic: Electron Density
- Replies: 10
- Views: 665
Re: Electron Density
Lone pairs are indeed regions of electron density as they alter the shapes of molecules
- Sun Nov 17, 2019 9:17 pm
- Forum: Bond Lengths & Energies
- Topic: Shorter bond lengths
- Replies: 12
- Views: 723
Re: Shorter bond lengths
double bonds are shorter since the bonds are stronger and pull them closer together
- Sun Nov 03, 2019 9:23 pm
- Forum: Formal Charge and Oxidation Numbers
- Topic: Stability
- Replies: 9
- Views: 570
Re: Stability
the formal charge should be zero (or close to it) in order for the octet to be complete and create stability.
- Sun Nov 03, 2019 9:22 pm
- Forum: Formal Charge and Oxidation Numbers
- Topic: Minimize formal charge of whole molecule?
- Replies: 7
- Views: 359
Re: Minimize formal charge of whole molecule?
ideally, the atoms want to be in their complete octet state where they are the most stable, thus each formal charge should be as close to zero as possible.
- Sun Nov 03, 2019 9:17 pm
- Forum: Electronegativity
- Topic: What is isoelectronic?
- Replies: 13
- Views: 819
Re: What is isoelectronic?
isoelectronic refers to the situation in which there the number of electrons are equal
- Sun Nov 03, 2019 9:16 pm
- Forum: Electronegativity
- Topic: Noble Gases and Electronegativity
- Replies: 3
- Views: 341
Re: Noble Gases and Electronegativity
noble gases have no electronegativity since they already have complete octets.
- Sun Nov 03, 2019 9:15 pm
- Forum: Electronegativity
- Topic: Electronegativity
- Replies: 9
- Views: 415
Re: Electronegativity
fluorine is the most electronegative element; it may be helpful to remember that electronegativity increases as you go to the upper right of the periodic table.
- Sun Oct 27, 2019 9:49 pm
- Forum: Ionic & Covalent Bonds
- Topic: Covalent Bonds
- Replies: 11
- Views: 577
Re: Covalent Bonds
ionic bonds are characterized as a bond between a metal and a nonmetal, whereas covalent bonds are bonds between two nonmetals.
- Sun Oct 27, 2019 9:43 pm
- Forum: Sigma & Pi Bonds
- Topic: Which bond would break first.
- Replies: 15
- Views: 2742
Re: Which bond would break first.
the pi bond is much weaker than the sigma bond due to the differences in the way that they overlap. Therefore, the pi bond would break first.
- Sun Oct 27, 2019 9:40 pm
- Forum: Sigma & Pi Bonds
- Topic: Importance of Sigma/Pi Bonds
- Replies: 5
- Views: 626
Re: Importance of Sigma/Pi Bonds
Having the knowledge of whether a bond is a sigma or a pi bond allows one to figure out the structure of the molecule
- Sun Oct 27, 2019 9:36 pm
- Forum: Sigma & Pi Bonds
- Topic: Single vs. Double bonds
- Replies: 15
- Views: 1988
Re: Single vs. Double bonds
The double bonds are much stronger than single bonds, therefore the pull is stronger making them shorter
- Sun Oct 27, 2019 9:32 pm
- Forum: Properties of Electrons
- Topic: Electron removal
- Replies: 11
- Views: 443
Re: Electron removal
Electrons that are closer to the nucleus are subject to more pull from the positively charged nucleus.
- Sun Oct 13, 2019 4:52 pm
- Forum: Properties of Electrons
- Topic: electron energy
- Replies: 4
- Views: 201
Re: electron energy
The amount of energy it takes to remove an electron from the ground state of a gaseous atom, molecule or ion. The first ionization energy is the energy needed to remove the first electron from an atom. the second ionization energy is the energy needed to remove the second one and so on.
- Sun Oct 13, 2019 4:46 pm
- Forum: Einstein Equation
- Topic: Units
- Replies: 17
- Views: 1811
Re: Units
I think for the most part it would only go as far as kilograms, but in any case, if megagrams and gigagrams were necessary I think we would be provided a formula sheet to convert the numbers.
- Sun Oct 13, 2019 4:41 pm
- Forum: Trends in The Periodic Table
- Topic: Atomic Radius
- Replies: 16
- Views: 971
Re: Atomic Radius
The atomic radius is measured only in the group state of the element. A side note: atomic radius increases as you go from the left of the periodic table and down. Therefore, francium has the largest atomic radius out of all the elements.
- Sun Oct 13, 2019 4:35 pm
- Forum: Properties of Electrons
- Topic: electron energy levels
- Replies: 6
- Views: 232
Re: electron energy levels
Electrons in the outer shell are further from the nucleus; therefore, they are less susceptible to the attractive forces from the nucleus pulling them in.
- Sun Oct 13, 2019 10:45 am
- Forum: Properties of Electrons
- Topic: Constructive vs Destructive Inference
- Replies: 4
- Views: 457
Re: Constructive vs Destructive Inference
constructive inference is is "constructive" in the sense that its crests are aligned with that of another waves, which does create a higher amplitude. On the other hand, destructive inference is when the waves are unaligned and creates a lower amplitude.
- Sun Oct 06, 2019 4:47 pm
- Forum: Properties of Light
- Topic: unit change
- Replies: 4
- Views: 248
Re: unit change
The negative exponent brings the “s” down to the denominator, making it “per second”.
- Sun Oct 06, 2019 4:43 pm
- Forum: Properties of Light
- Topic: Oscillating Frequency
- Replies: 2
- Views: 158
Re: Oscillating Frequency
Longer wavelength means shorter frequency, (inverse relationship) since the longer wavelength can pass through less cycles in a set amount of time compared to shorter wavelengths. Blue light has a shorter frequency so it’s wavelength would be longer.
- Sun Oct 06, 2019 4:35 pm
- Forum: Properties of Light
- Topic: White Light
- Replies: 2
- Views: 99
Re: White Light
I think white light is in a sense a homogenous mixture of all the different wavelengths (thus colors) of light
- Sun Oct 06, 2019 4:28 pm
- Forum: Limiting Reactant Calculations
- Topic: Reactant vs. Reagent
- Replies: 4
- Views: 302
Re: Reactant vs. Reagent
There is no difference; reactant and reagent are the same thing.
- Thu Oct 03, 2019 4:57 pm
- Forum: Accuracy, Precision, Mole, Other Definitions
- Topic: Lab experiments- accuracy vs precision
- Replies: 7
- Views: 639
Re: Lab experiments- accuracy vs precision
Precision is how close together your results are to each other, whereas accuracy refers to how close to the known (correct) value the results are.