Search found 113 matches
- Tue Mar 09, 2021 3:16 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Why are chemists great for solving problems? Because they always have a solution!
- Tue Mar 09, 2021 3:14 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Homework #16
- Replies: 5
- Views: 303
Homework #16
For the reversible, one‑step reaction, A+A⥫⥬=k−1k1B+C the rate constant for the forward reaction, k1 , is 299 L⋅mol−1⋅min−1 and the rate constant for the reverse reaction, k1 , is 365 L⋅mol−1⋅min−1 at a given temperature. The activation energy for the forward reaction is 44.5 kJ⋅mol−1 , whereas the ...
- Tue Mar 09, 2021 3:13 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Homework #20
- Replies: 1
- Views: 198
Homework #20
The presence of a catalyst provides a reaction pathway in which the activation energy of a reaction is reduced by 54.00 kJ⋅mol−1 . Uncatalyzed: A⟶B Ea=122.00 kJ⋅mol−1 Catalyzed: A⟶B Ea=68.00 kJ⋅mol−1 Determine the factor by which the catalyzed reaction is faster than the uncatalyzed reaction at 289....
- Tue Mar 09, 2021 3:12 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Homework 15
- Replies: 2
- Views: 293
Homework 15
Calculate the activation energy, Ea , in kilojoules per mole for a reaction at 75.0 ∘C that has a rate constant of 0.296 s−1 and a frequency factor of 9.95×1011 s−1 .
Can someone explain how to do this?
Can someone explain how to do this?
- Tue Mar 09, 2021 3:11 pm
- Forum: General Rate Laws
- Topic: Sapling #13
- Replies: 1
- Views: 198
Sapling #13
The mechanism proposed for the oxidation of iodide ion, I−, by the hypochlorite ion, ClO−, in aqueous solution is shown. ClO−(aq)+H2O(l)⇌HClO(aq)+OH−(aq)fast in both directions I−(aq)+HClO(aq)→HIO(aq)+Cl−(aq) slow HIO(aq)+OH−(aq)→IO−(aq)+H2O(l) fast Complete the rate law for the formation of IO− imp...
- Tue Mar 09, 2021 3:10 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Homework #7
- Replies: 2
- Views: 236
Homework #7
For the reaction
2A(g)+2B(g)+C(g)⟶3G(g)+4F(g)
the initial rate data in the table was collected, where [A]0 , [B]0 , and [C]0 are the initial concentrations of A , B , and C , respectively.
Can someone explain how to set this up?
2A(g)+2B(g)+C(g)⟶3G(g)+4F(g)
the initial rate data in the table was collected, where [A]0 , [B]0 , and [C]0 are the initial concentrations of A , B , and C , respectively.
Can someone explain how to set this up?
- Fri Mar 05, 2021 11:00 am
- Forum: Student Social/Study Group
- Topic: We made it through Midterm 2!
- Replies: 71
- Views: 3988
Re: We made it through Midterm 2!
Only one more test to go!
- Fri Mar 05, 2021 10:59 am
- Forum: Student Social/Study Group
- Topic: 14B Final
- Replies: 22
- Views: 1039
Re: 14B Final
Last quarter it focused mainly on the material after Midterm 2 but still had a good amount of material from the other two midterms.
- Fri Mar 05, 2021 10:59 am
- Forum: Student Social/Study Group
- Topic: What do you miss / What are you looking forward to?
- Replies: 92
- Views: 9670
Re: What do you miss / What are you looking forward to?
I miss being able to meet new people in classes and do work on campus.
- Fri Mar 05, 2021 10:57 am
- Forum: Student Social/Study Group
- Topic: Fave movie/show
- Replies: 67
- Views: 4830
Re: Fave movie/show
I have recently been watching Designated Survivor on Netflix!
- Fri Mar 05, 2021 10:57 am
- Forum: Student Social/Study Group
- Topic: Fave food
- Replies: 266
- Views: 39662
Re: Fave food
My favorite food is pad Thai with peanut sauce!
- Sun Feb 28, 2021 9:39 am
- Forum: Balancing Redox Reactions
- Topic: Question 8
- Replies: 3
- Views: 221
Question 8
Separate this redox reaction into its balanced component half‑reactions. Use the symbol e− for an electron.
Cl2+2Cu⟶2CuCl
Cl2+2Cu⟶2CuCl
- Sun Feb 28, 2021 9:38 am
- Forum: Balancing Redox Reactions
- Topic: Homework question 3
- Replies: 2
- Views: 186
Homework question 3
For a particular redox reaction, Cr is oxidized to CrO2−4 and Cu2+ is reduced to Cu+ . Complete and balance the equation for this reaction in basic solution. The phases are optional.
Can someone explain?
Can someone explain?
- Sun Feb 28, 2021 9:36 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What did one charged atom say to the other? I got my ion you!
- Sun Feb 28, 2021 9:36 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What's the dullest element? Bohrium!
- Sun Feb 28, 2021 9:35 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Why did the attacking army use acid? To neutralize the enemy's base!
- Sun Feb 21, 2021 3:08 pm
- Forum: Calculating Work of Expansion
- Topic: negative vs positive work
- Replies: 21
- Views: 988
Re: negative vs positive work
You are right When work is done by the system it is negative work and when work is done on the system it is positive work.
- Sun Feb 21, 2021 3:07 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Carbon and hydrogen went on a date. I heard they really bonded
- Sun Feb 21, 2021 3:06 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
I like to hear chemistry puns, periodically.
- Sun Feb 21, 2021 3:06 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Lose an electron?
Gotta keep an ion it.
Gotta keep an ion it.
- Sun Feb 21, 2021 3:05 pm
- Forum: Student Social/Study Group
- Topic: Test curve?
- Replies: 40
- Views: 3143
Re: Test curve?
Based on last quarter I doubt he will curve anything.
- Sun Feb 21, 2021 3:04 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Tips for Concentrating during a test
- Replies: 31
- Views: 1316
Re: Tips for Concentrating during a test
Chewing always helps with my nervous energy during tests.
- Sun Feb 21, 2021 3:03 pm
- Forum: Administrative Questions and Class Announcements
- Topic: How to find my posts
- Replies: 163
- Views: 167170
Re: How to find my posts
At the top click on Quick links and then there should be a drop down menu where you can find your posts.
- Tue Feb 16, 2021 12:11 pm
- Forum: Student Social/Study Group
- Topic: Fave food
- Replies: 266
- Views: 39662
Re: Fave food
I love sushi!
- Tue Feb 16, 2021 12:10 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
I had to make these bad chemistry jokes because all the good ones Argon.
- Sun Feb 14, 2021 2:59 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 364028
Re: Final Jitters
Try to break up your studying so you aren't overwhelmed the day before.
- Sun Feb 14, 2021 2:58 pm
- Forum: Entropy Changes Due to Changes in Volume and Temperature
- Topic: Homework #19
- Replies: 4
- Views: 272
Homework #19
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 bar for all species. For the reaction N2(g)+3H2(g)↽−−⇀2NH3(g) the standard change in Gibbs free energy is ΔG∘=−32.8 kJ/mol. What is ΔG for this reaction at 298 K when the partial pressures are PN2=0.250 bar, PH2=0.300 ...
- Sun Feb 14, 2021 2:56 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
The name's Bond. Ionic Bond. Taken, not shared.
- Sun Feb 14, 2021 2:53 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Did you hear oxygen went on a date with potassium?
It went OK.
It went OK.
- Sat Feb 06, 2021 4:56 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What was Avogadro's favorite sport? Golf!
He always got a mole-in-one!
He always got a mole-in-one!
- Sat Feb 06, 2021 4:55 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Why are chemists great for solving problems?
Because they always have a solution!
Because they always have a solution!
- Sat Feb 06, 2021 4:55 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What did one charged atom say to the other?
I got my ion you!
I got my ion you!
- Fri Feb 05, 2021 10:28 am
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Weeks 3 and 4 Homework
- Replies: 2
- Views: 176
Weeks 3 and 4 Homework
An ice cube with a mass of 48.8 g at 0.0 ∘C is added to a glass containing 397 g of water at 45.0 ∘C . Determine the final temperature of the system at equilibrium. The specific heat capacity of water, Cs , is 4.184 J/g⋅∘C , and the standard enthalpy of fusion, ΔH∘fus , of water is 6.01×103 J/mol . ...
- Fri Feb 05, 2021 10:27 am
- Forum: Student Social/Study Group
- Topic: How to relax
- Replies: 168
- Views: 25697
Re: How to relax
To relax I watch a Netflix show that I find enjoyable, to get my mind off of school.
- Sun Jan 31, 2021 9:39 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Helium walks into a bar,
The bar tender says "We don't serve noble gasses in here."
Helium doesn't react.
The bar tender says "We don't serve noble gasses in here."
Helium doesn't react.
- Sun Jan 31, 2021 9:38 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Anyone know any jokes about sodium?
Na
Na
- Sun Jan 31, 2021 9:37 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Did you hear oxygen went on a date with potassium?
It went OK.
It went OK.
- Sun Jan 31, 2021 9:36 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What is the chemical formula for "coffee"?
CoFe2
CoFe2
- Sun Jan 31, 2021 9:36 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Have you heard the one about a chemist who was reading a book about helium?
He just couldn't put it down.
He just couldn't put it down.
- Thu Jan 28, 2021 12:55 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Homework number 6
- Replies: 2
- Views: 126
Homework number 6
Can someone explain how to do this?
CH4(g)+2O2(g)⟶CO2(g)+2H2O(l)
enthalpy of combustion of CH4
4×bond energy of C−H
−4×bond energy of C−H
enthalpy of formation of CO2(g)
CH4(g)+2O2(g)⟶CO2(g)+2H2O(l)
enthalpy of combustion of CH4
4×bond energy of C−H
−4×bond energy of C−H
enthalpy of formation of CO2(g)
- Sat Jan 23, 2021 4:29 pm
- Forum: Student Social/Study Group
- Topic: Logistics for the Midterm
- Replies: 11
- Views: 745
Re: Logistics for the Midterm
I believe it should be the same but the exam time is during lecture time instead of discussion time.
- Sat Jan 23, 2021 4:25 pm
- Forum: Student Social/Study Group
- Topic: Lectures on Midterm
- Replies: 10
- Views: 534
Re: Lectures on Midterm
It should be information on Weeks 1-3.
- Sat Jan 23, 2021 4:25 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Sapling #7
- Replies: 1
- Views: 190
Sapling #7
The Kb for an amine is 4.352×10−5. What percentage of the amine is protonated if the pH of a solution of the amine is 9.258 ? Assume that all OH− came from the reaction of B with H2O.
Can someone explain this?
Can someone explain this?
- Sat Jan 23, 2021 4:23 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Studying for Midterm #1
- Replies: 63
- Views: 2737
Re: Studying for Midterm #1
There is usually plenty of time to complete the problems. Our midterms had between 10-13 problems last quarter. Make sure your respondus is working before you attempt to take the midterm because that can be stressful.
- Sat Jan 23, 2021 3:24 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Homework number six
- Replies: 4
- Views: 244
Homework number six
On sapling problem number six I am having hard time identifying which are acidic, basic, or neutral. Can someone explain how you can tell?
- Sat Jan 16, 2021 11:42 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Homework Problem #3 7
- Replies: 3
- Views: 207
Homework Problem #3 7
At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.600 M. N2(g)+O2(g)↽−−⇀2NO(g) If more NO is added, bringing its concentration to 0.900 M, what will the final concentration of NO be after equilibrium is re‑established? I've attempted this problem but I k...
- Sat Jan 16, 2021 11:41 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Now we're making bad chemistry jokes because all the good ones Argon
- Sat Jan 16, 2021 11:40 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What is the chemical formula for “banana”?
BaNa2
BaNa2
- Wed Jan 13, 2021 1:17 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Homework problem 7
- Replies: 4
- Views: 188
Homework problem 7
Consider this system at equilibrium. A(aq)↽−−⇀B(aq)ΔH=+550 kJ/mol What can be said about Q and K immediately after an increase in temperature? Q > K because K decreased. Q < K because K increased. Q > K because Q increased. Q < K because Q decreased. Q = K because neither changed. How will the syste...
- Wed Jan 13, 2021 1:16 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Homework #5
- Replies: 2
- Views: 166
Homework #5
Consider the reaction of NH3 and I2 to give N2 and HI. 2NH3(g)+3I2(g)↽−−⇀N2(g)+6HI(g)K Using two or more of the given equations, determine the equilibrium constant, K , for the reaction of NH3 with I2. H2(g)+I2(g)↽−−⇀2HI(g)I2(g)↽−−⇀2I(g)N2(g)+3H2(g)↽−−⇀2NH3(g)H2(g)+Cl2(g)↽−−⇀2HCl(g)Ka=160 Kb=2.1×10−...
- Thu Jan 07, 2021 10:16 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What did one ion say to the other?
I've got my ion you.
I've got my ion you.
- Thu Jan 07, 2021 10:15 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What element is a girl's future best friend?
Carbon
Carbon
- Thu Jan 07, 2021 10:15 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What do you call a tooth in a glass of water?
One molar solution.
One molar solution.
- Thu Jan 07, 2021 10:14 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What did the scientist say when he found 2 isotopes of helium?
HeHe
HeHe
- Thu Jan 07, 2021 10:13 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Don't trust atoms, they make up everything.
- Thu Jan 07, 2021 10:12 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Homework #3
- Replies: 3
- Views: 478
Homework #3
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3.
H2(g)+I2(g)↽−−⇀2HI(g)Kc=53.3
At this temperature, 0.300 mol H2 and 0.300 mol I2 were placed in a 1.00 L container to react. What concentration of HI is present at equilibrium?
Can someone explain this?
H2(g)+I2(g)↽−−⇀2HI(g)Kc=53.3
At this temperature, 0.300 mol H2 and 0.300 mol I2 were placed in a 1.00 L container to react. What concentration of HI is present at equilibrium?
Can someone explain this?
- Tue Jan 05, 2021 11:04 am
- Forum: Ideal Gases
- Topic: Sapling Homework
- Replies: 22
- Views: 959
Sapling Homework
I had Dr. Lavelle last quarter and used Sapling to complete homework, but when I try to access Sapling learning through the CCLE it says I need a new code. Is anyone else having this problem and know how to fix it?
- Tue Dec 15, 2020 6:28 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Old chemists never die. They just stop reacting!
- Tue Dec 15, 2020 6:28 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Wait, are all these jokes too basic for you? Because I see no reaction.
- Tue Dec 15, 2020 6:28 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What do you call a clown in jail? A Silicon!
- Tue Dec 15, 2020 6:27 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What did silver say to gold at the bar? "Au, get outta here!"
- Tue Dec 15, 2020 6:27 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Why are chemists great for solving problems? Because they always have a solution!
- Tue Dec 15, 2020 6:26 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What did one charged atom say to the other? I got my ion you!
- Sun Dec 06, 2020 4:45 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
What do you do with a dead chemist?
Barium
Barium
- Sun Dec 06, 2020 4:44 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Silver walks up to Gold in a bar and says, "AU, get outta here!"
- Sun Dec 06, 2020 4:44 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Why do chemists like nitrates so much?
They're cheaper than day rates.
They're cheaper than day rates.
- Sun Dec 06, 2020 4:44 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
How about the chemical workers… are they unionized?
- Sun Dec 06, 2020 4:43 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Don't trust atoms, they make up everything.
- Sun Nov 29, 2020 9:12 pm
- Forum: Student Social/Study Group
- Topic: Curve?
- Replies: 50
- Views: 6388
Re: Curve?
I am curious about this as well. He will probably send an email out soon.
- Sun Nov 29, 2020 9:10 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Sapling HW #17
- Replies: 7
- Views: 397
Re: Sapling HW #17
Consider the different about of bonds carbon can have and if they can form a ring structures. As a hint the carbons may form a trigonal shape.
- Sun Nov 29, 2020 9:08 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 364028
Re: Final Jitters
The night before take some time to relax. There is no point trying to cram information in the last minute. I recommend taking this time to give your brain a rest and do something you enjoy and then get a good nights rest.
- Sun Nov 29, 2020 9:07 pm
- Forum: Student Social/Study Group
- Topic: Final Format
- Replies: 35
- Views: 1696
Re: Final Format
They haven't mentioned how it will be proctored but they did say that it is during a specific time.
- Sun Nov 29, 2020 9:06 pm
- Forum: Student Social/Study Group
- Topic: Studying for Final Exam
- Replies: 57
- Views: 2768
Re: Studying for Final Exam
A week before I am going to start reviewing the old material and then slowly work my way to the new material by doing the practice problems.
- Sun Nov 29, 2020 9:05 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Sapling HW #18
- Replies: 6
- Views: 504
Re: Sapling HW #18
All of the structures are very similar, but differ in the number of carbons. Follow the octet rule and draw the Lewis structure with this.
- Sun Nov 22, 2020 9:31 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: memorizing VSEPR models
- Replies: 13
- Views: 766
Re: memorizing VSEPR models
I looked up diagrams online and look at those to try and memorize them.
- Sun Nov 22, 2020 9:30 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Extra Credit
- Replies: 11
- Views: 660
Re: Extra Credit
I don't believe that extra credit will be offered.
- Sun Nov 22, 2020 9:27 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Thanksgiving
- Replies: 26
- Views: 1286
Re: Thanksgiving
I would assume that he would post a lecture since he posted one on Veterans.
- Sun Nov 22, 2020 9:24 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 364028
Re: Final Jitters
I always find it helpful to do some self care before an exam.
- Fri Nov 20, 2020 12:37 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Homework
- Replies: 2
- Views: 127
Homework
Identify the axial and equatorial atoms in the three‑dimensional structure.
How do you identify the axial atoms vs. the equatorial atoms in the 3-d structure.
How do you identify the axial atoms vs. the equatorial atoms in the 3-d structure.
- Fri Nov 20, 2020 12:29 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Homework Question
- Replies: 2
- Views: 165
Homework Question
What is the molecular shape of sulfite ion?
Can someone explain this?
Can someone explain this?
- Sun Nov 15, 2020 5:01 pm
- Forum: Ionic & Covalent Bonds
- Topic: Textbook Questions
- Replies: 1
- Views: 238
Textbook Questions
Suggest, giving reasons, which substance in each of the following pairs is likely to have the higher normal melting point (Lewis structures may help your arguments): (a) HCl HCl or NaCl NaCl; (b) C 2 H 5 OC 2 H 5 (diethyl ether) or C 4 H 9 OH (butanol); (c) CHI 3 or CHF 3 ; (d) C 2 H 4 or CH 3 OH . ...
- Sun Nov 15, 2020 5:00 pm
- Forum: Ionic & Covalent Bonds
- Topic: Textbook problem
- Replies: 1
- Views: 99
Textbook problem
3F.3 For which of the following molecules will dipole–dipole interactions be important: (a) CH 4 ; (b) CH 3 Cl ; (c) CH 2 Cl 2 ; (d) CHCl 3 ; (e) CCl 4 ?
Can someone explain this?
Can someone explain this?
- Sun Nov 15, 2020 4:59 pm
- Forum: Bond Lengths & Energies
- Topic: Textbook question
- Replies: 3
- Views: 277
Textbook question
3F.15 Explain the difference in the boiling points of AsF 3 ( 63 ) °C and AsF 5 ( − 53 ) °C.
Can someone explain this?
Can someone explain this?
- Thu Nov 12, 2020 4:13 pm
- Forum: Ionic & Covalent Bonds
- Topic: Textbook Problem 2.A.15
- Replies: 2
- Views: 173
Textbook Problem 2.A.15
Can someone explain this problem?
Write the most likely charge for the ions formed by each of the following elements: (a) S; (b) Te; (c) Rb; (d) Ga; (e) Cd.
Write the most likely charge for the ions formed by each of the following elements: (a) S; (b) Te; (c) Rb; (d) Ga; (e) Cd.
- Thu Nov 12, 2020 11:37 am
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Textbook Problem 1.E.25
- Replies: 7
- Views: 532
Textbook Problem 1.E.25
Can someone explain how to do this problem?
Give the notation for the valence-shell configuration (including the outermost d-electrons) of (a) the alkali metals; (b) Group 15 elements; (c) Group 5 transition metals; (d) the “coinage” metals (Cu, Ag, Au).
Give the notation for the valence-shell configuration (including the outermost d-electrons) of (a) the alkali metals; (b) Group 15 elements; (c) Group 5 transition metals; (d) the “coinage” metals (Cu, Ag, Au).
- Wed Nov 11, 2020 12:51 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Textbook problem 1.D.13
- Replies: 3
- Views: 190
Textbook problem 1.D.13
Can someone explain the answer to this?
How many values of ml are allowed for an electron in a 6d-subshell?
How many values of ml are allowed for an electron in a 6d-subshell?
- Wed Nov 11, 2020 12:03 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Homework Problem #3
- Replies: 2
- Views: 247
Homework Problem #3
Can someone explain how to do this problem? The formulas of the bromate ion, BrO−3, and chlorate ion, ClO−3, are very similar. However, the formulas of the nitrate ion and phosphate ion contain different numbers of oxygen atoms. This is also true for the formulas of the nitrite ion and phosphite ion...
- Sun Nov 08, 2020 4:45 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Want to hear a joke about nitrogen oxide? NO!
- Sun Nov 08, 2020 4:44 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Anyone know any jokes about sodium? Na
- Sun Nov 08, 2020 4:43 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3610709
Re: Post All Chemistry Jokes Here
Did you hear oxygen went on a date with potassium? It went OK!
- Sun Nov 08, 2020 4:42 pm
- Forum: Administrative Questions and Class Announcements
- Topic: How to find my posts
- Replies: 163
- Views: 167170
Re: How to find my posts
At the top of the page their is an option to see all your posts and it will say how many times you've posted.
- Sun Nov 08, 2020 4:40 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 364028
Re: Final Jitters
Spacing my studying out over time always helps the most.
- Sun Nov 08, 2020 4:39 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Accessing the E-textbook [ENDORSED]
- Replies: 125
- Views: 32403
Re: Accessing the E-textbook [ENDORSED]
I only purchased the online textbook and sapling for $70. It was on Lavelles website.
- Sun Nov 01, 2020 2:59 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Chemistry Modules
- Replies: 7
- Views: 326
Re: Chemistry Modules
As far as I know there aren't any more modules.
- Sun Nov 01, 2020 2:57 pm
- Forum: Student Social/Study Group
- Topic: Midterm Grading
- Replies: 2
- Views: 237
Re: Midterm Grading
No information has been given out about the midterm. You didn't miss anything!
- Sun Nov 01, 2020 2:53 pm
- Forum: Properties of Light
- Topic: Is c always the speed of light?
- Replies: 92
- Views: 5600
Re: Is c always the speed of light?
I believe so since it is a constant.
- Sun Nov 01, 2020 2:52 pm
- Forum: Student Social/Study Group
- Topic: Tips for Staying Focused
- Replies: 64
- Views: 3969
Re: Tips for Staying Focused
I put headphones on that are noise canceling and this helps a lot.
- Sun Nov 01, 2020 2:46 pm
- Forum: Student Social/Study Group
- Topic: How to relax
- Replies: 168
- Views: 25697
Re: How to relax
I love to watch Netflix.
- Sun Nov 01, 2020 2:46 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm grades
- Replies: 19
- Views: 878
Midterm grades
When do we find out our midterm grades?
- Sun Oct 25, 2020 8:16 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Advice for studying
- Replies: 92
- Views: 7280
Re: Advice for studying
I recommend doing all the textbook problems and practicing all the homework problems.