Search found 50 matches
- Fri Dec 11, 2020 8:06 pm
- Forum: *Liquid Structure (Viscosity, Surface Tension, Liquid Crystals, Ionic Liquids)
- Topic: Viscosity
- Replies: 22
- Views: 563
Re: Viscosity
The IMFs are stronger so it will flow slower.
- Fri Dec 11, 2020 8:05 pm
- Forum: *Liquid Structure (Viscosity, Surface Tension, Liquid Crystals, Ionic Liquids)
- Topic: Boiling and Melting point
- Replies: 18
- Views: 117
Re: Boiling and Melting point
Both melting and boiling points increase when IMFs are stronger.
- Fri Dec 11, 2020 8:03 pm
- Forum: Polyprotic Acids & Bases
- Topic: How can you tell
- Replies: 18
- Views: 368
Re: How can you tell
the anion has to have more than one H
- Fri Dec 11, 2020 8:02 pm
- Forum: Polyprotic Acids & Bases
- Topic: Defintion
- Replies: 24
- Views: 762
Re: Defintion
When it is able to donate multiple protons!
- Fri Dec 11, 2020 8:01 pm
- Forum: Calculating the pH of Salt Solutions
- Topic: -OH vs OH-
- Replies: 12
- Views: 87
Re: -OH vs OH-
They are the same thing!
- Fri Dec 11, 2020 8:00 pm
- Forum: Calculating the pH of Salt Solutions
- Topic: pH formula?
- Replies: 46
- Views: 930
Re: pH formula?
pH=-log[H+]
- Fri Dec 11, 2020 7:59 pm
- Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
- Topic: H3O+ versus H+
- Replies: 16
- Views: 113
Re: H3O+ versus H+
Both are the same thing
- Fri Dec 11, 2020 7:58 pm
- Forum: Conjugate Acids & Bases
- Topic: Alkaline
- Replies: 15
- Views: 84
Re: Alkaline
Yes it is.
- Fri Dec 11, 2020 7:57 pm
- Forum: Lewis Acids & Bases
- Topic: Water
- Replies: 62
- Views: 480
Re: Water
Water can be either.
- Fri Dec 11, 2020 7:56 pm
- Forum: Naming
- Topic: coordination compounds with aqua
- Replies: 12
- Views: 62
Re: coordination compounds with aqua
Both work but I think OH2 is preferred.
Re: Sapling 1
Exclude the prefix when you are arranging it.
- Fri Dec 11, 2020 7:55 pm
- Forum: Naming
- Topic: Naming quizlet
- Replies: 41
- Views: 259
Re: Naming quizlet
thank you!
- Fri Dec 11, 2020 7:54 pm
- Forum: Electronegativity
- Topic: Be vs Cl
- Replies: 13
- Views: 100
Re: Be vs Cl
Cl because it is furthest to the right nearest to fluorine
- Fri Dec 11, 2020 7:53 pm
- Forum: Electronegativity
- Topic: Periodic Table Trend
- Replies: 37
- Views: 387
Re: Periodic Table Trend
Both increase across a period and decrease down a group.
- Fri Dec 11, 2020 7:51 pm
- Forum: Properties & Structures of Inorganic & Organic Acids
- Topic: Sapling Q #1
- Replies: 7
- Views: 58
Re: Sapling Q #1
Memorizing is most likely the easiest way of keeping track of them.
- Fri Dec 11, 2020 7:49 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: Sigma and Pi Bonds
- Replies: 31
- Views: 393
Re: Sigma and Pi Bonds
I don't think the order matters, as long as you state one sigma and two pi bonds
- Fri Dec 11, 2020 7:48 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: London Dispersion
- Replies: 33
- Views: 147
Re: London Dispersion
Yes, they are always present.
- Fri Dec 11, 2020 7:46 pm
- Forum: Sigma & Pi Bonds
- Topic: Rotation
- Replies: 13
- Views: 101
Re: Rotation
Yes that would make the most sense.
- Fri Dec 11, 2020 7:46 pm
- Forum: Sigma & Pi Bonds
- Topic: Sigma and Pi Bonds
- Replies: 21
- Views: 136
Re: Sigma and Pi Bonds
A single bond is a sigma bond while a double is one sigma and one pi
- Fri Dec 11, 2020 7:44 pm
- Forum: Ionic & Covalent Bonds
- Topic: CO2 vs CS2
- Replies: 8
- Views: 103
Re: CO2 vs CS2
CO2 because the oxygen is more electronegative
- Sun Nov 15, 2020 5:21 pm
- Forum: Dipole Moments
- Topic: Sapling #19
- Replies: 12
- Views: 76
Re: Sapling #19
It should say s02 instead.
- Sun Nov 15, 2020 5:18 pm
- Forum: Coordinate Covalent Bonds
- Topic: Definition
- Replies: 17
- Views: 228
Re: Definition
A coordinate covalent bond is when one atom shares both of the elections needed
- Sun Nov 15, 2020 5:16 pm
- Forum: Lewis Structures
- Topic: Drawing Lewis Structures on Midterm
- Replies: 31
- Views: 149
Re: Drawing Lewis Structures on Midterm
The lowest formal change would be the mots accurate so I would think so.
- Sun Nov 15, 2020 5:13 pm
- Forum: Resonance Structures
- Topic: bond length
- Replies: 37
- Views: 152
Re: bond length
I don't believe we need to.
- Sun Nov 15, 2020 5:12 pm
- Forum: Lewis Structures
- Topic: Central Atom
- Replies: 20
- Views: 89
Re: Central Atom
the least electronegative element would typically go in the center
- Sun Nov 15, 2020 5:12 pm
- Forum: Lewis Structures
- Topic: Sapling hw 3
- Replies: 11
- Views: 83
Re: Sapling hw 3
Nitrogen cannot have an expanded octet.
- Sun Nov 15, 2020 5:10 pm
- Forum: Ionic & Covalent Bonds
- Topic: Homework due date
- Replies: 49
- Views: 336
Re: Homework due date
It is due sunday night.
- Sun Nov 15, 2020 5:09 pm
- Forum: Photoelectric Effect
- Topic: Lyman Series
- Replies: 30
- Views: 199
Re: Lyman Series
Yes for that series n1=1
- Sun Nov 15, 2020 5:08 pm
- Forum: Properties of Light
- Topic: Videos
- Replies: 12
- Views: 112
Re: Videos
The ones on Khan academy work for me!
- Sun Nov 15, 2020 5:07 pm
- Forum: Significant Figures
- Topic: 0's
- Replies: 21
- Views: 194
Re: 0's
Yes it would have 4 sig figs in this case.
- Sun Nov 01, 2020 4:24 pm
- Forum: Properties of Electrons
- Topic: How to find number of electrons
- Replies: 8
- Views: 81
Re: How to find number of electrons
To get this you would divide total energy by the threshold energy.
- Sun Nov 01, 2020 4:20 pm
- Forum: Properties of Light
- Topic: Relationship between wavelength and frequency
- Replies: 10
- Views: 91
Re: Relationship between wavelength and frequency
They have an inversely proportional relationship, so as one increases the other one decreases.
- Sun Nov 01, 2020 4:19 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm grades
- Replies: 19
- Views: 204
Re: Midterm grades
Yeah I had the same question hopefully not too long.
- Sun Nov 01, 2020 4:18 pm
- Forum: Properties of Light
- Topic: Is c always the speed of light?
- Replies: 88
- Views: 456
Re: Is c always the speed of light?
For our uses yes it is.
- Sun Nov 01, 2020 4:18 pm
- Forum: Properties of Light
- Topic: How to remember what v is in equations
- Replies: 46
- Views: 258
Re: How to remember what v is in equations
On the formula sheet, the italicized one is the frequency.
- Sun Oct 25, 2020 2:44 pm
- Forum: Properties of Light
- Topic: Constants
- Replies: 21
- Views: 106
Re: Constants
I would use the constants that are given on the sheet.
- Sun Oct 25, 2020 2:39 pm
- Forum: Einstein Equation
- Topic: Scratch paper during the exam
- Replies: 19
- Views: 153
Re: Scratch paper during the exam
Each TA has their own policy so I would check with them.
- Sun Oct 25, 2020 2:37 pm
- Forum: Student Social/Study Group
- Topic: How are you studying?
- Replies: 203
- Views: 1266
Re: How are you studying?
I am watching the lectures and taking notes, and also going over the module and textbook questions.
- Sun Oct 25, 2020 2:36 pm
- Forum: Properties of Electrons
- Topic: intensity vs energy
- Replies: 29
- Views: 239
Re: intensity vs energy
False because and increase in frequency means and increase in energy.
- Sun Oct 25, 2020 2:34 pm
- Forum: Properties of Electrons
- Topic: Marks on Midterm
- Replies: 4
- Views: 40
Re: Marks on Midterm
Each question will be worth different amounts of points.
- Sun Oct 18, 2020 5:24 pm
- Forum: Photoelectric Effect
- Topic: photoelectric effect
- Replies: 17
- Views: 119
Re: photoelectric effect
Yes they both are the same.
- Sun Oct 18, 2020 5:24 pm
- Forum: Einstein Equation
- Topic: E=hv
- Replies: 8
- Views: 88
Re: E=hv
The fact that frequency has to be a positive value.
- Sun Oct 18, 2020 5:11 pm
- Forum: Properties of Light
- Topic: Frequency vs Wavelength
- Replies: 22
- Views: 141
Re: Frequency vs Wavelength
A higher frequency has a shorter wavelength and vice versa.
- Sun Oct 18, 2020 5:07 pm
- Forum: Properties of Light
- Topic: Conversion Factor - m to nm
- Replies: 6
- Views: 41
Re: Conversion Factor - m to nm
multiply by 1*10^-9
- Sun Oct 18, 2020 5:05 pm
- Forum: Einstein Equation
- Topic: m vs nm
- Replies: 66
- Views: 433
Re: m vs nm
The test should specify what units the answer should be in. If not meters is most likely okay.
- Fri Oct 09, 2020 2:32 pm
- Forum: SI Units, Unit Conversions
- Topic: Volume vs. Density
- Replies: 6
- Views: 60
Re: Volume vs. Density
Extensive means that it depends on the amount or size of the substance (volume). Intensive remains the same regardless of the amount of matter there is (density).
- Fri Oct 09, 2020 2:27 pm
- Forum: Accuracy, Precision, Mole, Other Definitions
- Topic: Molar Mass and Molecular Mass Difference?
- Replies: 21
- Views: 255
Re: Molar Mass and Molecular Mass Difference?
They basically mean the same thing but have different units.
- Fri Oct 09, 2020 2:18 pm
- Forum: Balancing Chemical Reactions
- Topic: Balancing Chemical Reactions Order
- Replies: 31
- Views: 236
Re: Balancing Chemical Reactions Order
There is no one right way to balance, and it depends on the equation to determine the fastest way to balance.
- Fri Oct 09, 2020 2:13 pm
- Forum: Balancing Chemical Reactions
- Topic: State of matter in reaction
- Replies: 9
- Views: 37
Re: State of matter in reaction
It does not matter when balancing equations, but you should be writing the state of matter that they are in the equations.
- Fri Oct 09, 2020 2:10 pm
- Forum: Empirical & Molecular Formulas
- Topic: Empirical and Molecular Formula
- Replies: 17
- Views: 124
Re: Empirical and Molecular Formula
Yes they can be the same. However the molecular cannot be smaller than the empirical.