Search found 51 matches
- Fri Dec 06, 2019 12:58 am
- Forum: Amphoteric Compounds
- Topic: Amphiprotic vs Amphoteric
- Replies: 5
- Views: 603
Amphiprotic vs Amphoteric
What's the difference between amphiprotic and amphoteric?
- Fri Dec 06, 2019 12:57 am
- Forum: Air Pollution & Acid Rain
- Topic: final?
- Replies: 5
- Views: 548
Re: final?
Know both. If you know the concept, you'll know the formula.
- Fri Dec 06, 2019 12:55 am
- Forum: Calculating the pH of Salt Solutions
- Topic: Wednesday Lecture 12/4
- Replies: 4
- Views: 399
Re: Wednesday Lecture 12/4
We do not have to know that. It was just background information and stuff we will learn in 14B.
- Fri Dec 06, 2019 12:51 am
- Forum: Air Pollution & Acid Rain
- Topic: Final
- Replies: 8
- Views: 1187
Re: Final
In the syllabus it says we should be able to "explain why rain can be acidic and discuss possible options to reduce 'acid rain'."
- Fri Dec 06, 2019 12:49 am
- Forum: Air Pollution & Acid Rain
- Topic: Acid Rain
- Replies: 1
- Views: 270
Re: Acid Rain
pg. 490 box 6e.1
- Sun Dec 01, 2019 11:33 pm
- Forum: Naming
- Topic: Roman Numeral
- Replies: 13
- Views: 960
Re: Roman Numeral
The roman numeral represents the oxidation state of the metal.
- Sun Dec 01, 2019 11:31 pm
- Forum: Naming
- Topic: Naming coordination compounds
- Replies: 5
- Views: 393
Re: Naming coordination compounds
The oxidation state of the metal is the roman numeral.
- Sun Dec 01, 2019 11:29 pm
- Forum: Naming
- Topic: Final Exam?
- Replies: 20
- Views: 1194
Re: Final Exam?
It is cumulative. Make sure you understand the topics in the outlines.
- Sun Dec 01, 2019 11:28 pm
- Forum: Naming
- Topic: Naming of coordination compounds
- Replies: 5
- Views: 463
Re: Naming of coordination compounds
The final could ask to name compounds either way. It’s best to know how to do both.
- Sun Dec 01, 2019 11:23 pm
- Forum: Naming
- Topic: Memorizing ligand names
- Replies: 5
- Views: 423
Re: Memorizing ligand names
We are expected to know how to name ligands.
- Sun Nov 24, 2019 9:04 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: AXE Format
- Replies: 34
- Views: 1307
Re: AXE Format
You don’t need to write the subscript 1.
- Sun Nov 24, 2019 9:02 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Bent Shape
- Replies: 31
- Views: 3038
Re: Bent Shape
One or two lone pairs can form a bent molecule
- Sun Nov 24, 2019 8:59 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: types of bonds
- Replies: 14
- Views: 1242
Re: types of bonds
Yes. A triple bond has 1 sigma and 2 pi bonds.
- Sun Nov 24, 2019 8:57 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: Bond order
- Replies: 5
- Views: 463
Re: Bond order
Bond order is a measurement of the number of electrons involved in bonds between two atoms in a molecule.
- Sun Nov 24, 2019 8:55 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: Sigma and Pi Bonds
- Replies: 33
- Views: 1751
Re: Sigma and Pi Bonds
A triple bond contains 1 sigma and 2 pi bonds. The order does not matter.
- Sun Nov 17, 2019 9:06 pm
- Forum: Hybridization
- Topic: sp^3 orbital
- Replies: 3
- Views: 278
Re: sp^3 orbital
We do not need to know hybridization for Test 2.
- Sun Nov 17, 2019 9:02 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Molecular shape
- Replies: 3
- Views: 246
Re: Molecular shape
Yes, but the name we use for our homework and exams will probably be seesaw.
- Sun Nov 17, 2019 9:00 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Lone vs. Bonded Electrons
- Replies: 3
- Views: 334
Lone vs. Bonded Electrons
Why do lone pairs repel bonded electrons more than other bonded electrons do?
- Sun Nov 17, 2019 8:56 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Molecular Shapes
- Replies: 6
- Views: 434
Re: Molecular Shapes
Yes. There are charts online to help memorize them.
- Sun Nov 17, 2019 8:53 pm
- Forum: Hybridization
- Topic: Test 2 Topics
- Replies: 11
- Views: 723
Re: Test 2 Topics
Test 2 covers everything after the midterm, but not hybridization.
- Wed Nov 06, 2019 3:53 pm
- Forum: Ionic & Covalent Bonds
- Topic: Ionic vs Covalent
- Replies: 14
- Views: 902
Re: Ionic vs Covalent
An ionic bond is between a metal and nonmetal while a covalent bond is between two nonmetals.
- Wed Nov 06, 2019 3:49 pm
- Forum: Electronegativity
- Topic: Trend of Electronegativity
- Replies: 22
- Views: 2155
Re: Trend of Electronegativity
Electronegativity increases from left to right and up the periodic table.
- Wed Nov 06, 2019 3:47 pm
- Forum: Electronegativity
- Topic: Electronegativity Chart
- Replies: 5
- Views: 529
Re: Electronegativity Chart
We will not be given an electronegativity chart. We should know the general trends for electronegativity.
- Wed Nov 06, 2019 3:46 pm
- Forum: Electronegativity
- Topic: Ionic character
- Replies: 2
- Views: 306
Re: Ionic character
C-F has more ionic character than C-Br because C is more electronegative than Br.
- Wed Nov 06, 2019 3:43 pm
- Forum: Resonance Structures
- Topic: Resonance Structure Midterm
- Replies: 5
- Views: 326
Re: Resonance Structure Midterm
You can draw one structure unless the questions states to draw the resonance structures.
- Sun Nov 03, 2019 8:52 pm
- Forum: Electronegativity
- Topic: What is isoelectronic?
- Replies: 13
- Views: 819
Re: What is isoelectronic?
Isoelectronic means having the same number of electrons.
- Sun Nov 03, 2019 8:51 pm
- Forum: Electronegativity
- Topic: Electronegativity
- Replies: 9
- Views: 414
Re: Electronegativity
We will only be given the electronegativity table. We are expected to know the trends of the table.
- Sun Nov 03, 2019 8:46 pm
- Forum: Ionic & Covalent Bonds
- Topic: Strength and Length
- Replies: 18
- Views: 959
Re: Strength and Length
The longer the bond, the weaker the bond.
- Sun Nov 03, 2019 8:44 pm
- Forum: Ionic & Covalent Bonds
- Topic: Ionic vs Covalent
- Replies: 14
- Views: 902
Re: Ionic vs Covalent
Ionic bonds are between a metal and nonmetal. Covalent bonds are between two nonmetals.
- Sun Nov 03, 2019 8:41 pm
- Forum: Ionic & Covalent Bonds
- Topic: middle atom
- Replies: 13
- Views: 558
Re: middle atom
The atom with the least electronegativity is the middle atom.
- Sun Oct 27, 2019 10:52 pm
- Forum: Trends in The Periodic Table
- Topic: Cations vs Parent atoms
- Replies: 4
- Views: 221
Re: Cations vs Parent atoms
Cations are smaller because they have less electrons which causes less repulsion making the protons pull closer to the nucleus.
- Sun Oct 27, 2019 10:47 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Electron Configuration Special Cases
- Replies: 6
- Views: 503
Re: Electron Configuration Special Cases
I believe just focus on those two
- Sun Oct 27, 2019 10:45 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Chromium and Copper
- Replies: 5
- Views: 427
Re: Chromium and Copper
Their electrons fill and half-fill two subshells, with some electrons in the higher energy level shells
- Sun Oct 27, 2019 10:42 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Orbital notation
- Replies: 2
- Views: 171
Re: Orbital notation
f contains 7
- Sun Oct 27, 2019 10:41 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Spins
- Replies: 4
- Views: 259
Re: Spins
Electrons are filled parallel in each orbital first and then become paired after each orbital has an electron
- Sun Oct 20, 2019 10:21 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Short Hand
- Replies: 11
- Views: 478
Re: Short Hand
You can use the noble gas before it to substitute writing out the entire thing.
- Sun Oct 20, 2019 10:19 pm
- Forum: Einstein Equation
- Topic: Alternative unit for J
- Replies: 4
- Views: 278
Re: Alternative unit for J
1 J = 1 (kg*m^2)/s^2
- Sun Oct 20, 2019 2:41 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: 1D.1
- Replies: 5
- Views: 269
Re: 1D.1
All of them increase
- Sun Oct 20, 2019 2:40 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: 1A.15
- Replies: 2
- Views: 138
Re: 1A.15
That number is R, Rydberg's constant!
- Sun Oct 20, 2019 2:36 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: how to prepare
- Replies: 22
- Views: 947
Re: how to prepare
I'm a visual learner so youtube always helps me. Depending on your learning style, try and find what works best for you! It goes a long way
- Sat Oct 12, 2019 2:51 pm
- Forum: Trends in The Periodic Table
- Topic: Group 5 Transition Metals
- Replies: 2
- Views: 432
Re: Group 5 Transition Metals
Vanadium
- Sat Oct 12, 2019 2:49 pm
- Forum: Properties of Electrons
- Topic: Ionization energy
- Replies: 4
- Views: 184
Re: Ionization energy
Ionization energy increases from from left to right because elements are more likely to give up their electrons on the right side of the period table.
- Sat Oct 12, 2019 2:47 pm
- Forum: DeBroglie Equation
- Topic: De Broglie's Equation
- Replies: 13
- Views: 583
Re: De Broglie's Equation
De Broglie's equation can be used to solve for an object's wavelength given a mass.
- Sat Oct 12, 2019 2:44 pm
- Forum: Properties of Light
- Topic: Amplitude
- Replies: 12
- Views: 586
Re: Amplitude
I feel that amplitude is focused more in physics and not in chemistry so I wouldn't worry too much about it.
- Sat Oct 12, 2019 2:39 pm
- Forum: Properties of Light
- Topic: Adding formulas
- Replies: 5
- Views: 180
Re: Adding formulas
Depending on the problem given and values given, you can rearrange the equation to plug in what you are given/looking for.
- Thu Oct 03, 2019 3:21 pm
- Forum: Significant Figures
- Topic: Significant Figures
- Replies: 3
- Views: 123
Re: Significant Figures
Your answer should be the least amount of sig figs given in the problem.
- Thu Oct 03, 2019 3:17 pm
- Forum: Balancing Chemical Reactions
- Topic: Unequal coefficients
- Replies: 7
- Views: 302
Re: Unequal coefficients
All chemical reactions should be able to be balanced. If fractions are involved, multiple by the denominator to get rid of it.
- Thu Oct 03, 2019 3:15 pm
- Forum: Balancing Chemical Reactions
- Topic: "Combustion" Term
- Replies: 8
- Views: 400
Re: "Combustion" Term
Combustion also means burning. In every combustion reaction, the reactant reacts with oxygen and produces water and carbon dioxide.
- Thu Oct 03, 2019 3:10 pm
- Forum: Significant Figures
- Topic: Calculators
- Replies: 20
- Views: 1954
Re: Calculators
I bought a scientific calculator for this class because the syllabus says non-programable calculator is required
- Thu Oct 03, 2019 3:02 pm
- Forum: Significant Figures
- Topic: Sig Fig Rules
- Replies: 7
- Views: 422
Re: Sig Fig Rules
You would round to the least amount of sig figs given in the problem. For atomic mass, 3 decimal place is fine.
- Thu Oct 03, 2019 3:00 pm
- Forum: SI Units, Unit Conversions
- Topic: Can someone tell me where I can access the Solutions Manual?
- Replies: 6
- Views: 451