Search found 33 matches

by Arjun Sharma 1D
Sat Mar 17, 2018 12:08 am
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: Question 14.41
Replies: 6
Views: 278

Re: Question 14.41

In a concentration cell, why would you want your lower concentration reactant on the anode and the higher one on the cathode?
by Arjun Sharma 1D
Fri Mar 16, 2018 10:25 pm
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: Question 14.41
Replies: 6
Views: 278

Re: Question 14.41

Yeah it's weird too cause the lower concentration ends up in the product according to the solution manual. Maybe it's because you have to flip the sign of the anode?
by Arjun Sharma 1D
Fri Mar 16, 2018 9:49 pm
Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
Topic: Question 14.41
Replies: 6
Views: 278

Question 14.41

For question 14.41 part (a), why is the Cu2+ with lower concentration the anode and Cu2+ with higher concentration the cathode? I thought you would want it the other way around since it would flow from high concentration to low concentration and you would want that to be anode to cathode.
by Arjun Sharma 1D
Thu Mar 15, 2018 1:20 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

It's no fun cracking jokes in front of people who aren't spontaneous. Don't get much of a reaction.
by Arjun Sharma 1D
Thu Mar 15, 2018 1:18 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

Why did the chemist run slow in the relay race?

He wanted to be the rate determining step
by Arjun Sharma 1D
Thu Mar 15, 2018 1:11 am
Forum: *Alkanes
Topic: Chapter for O-Chem
Replies: 2
Views: 284

Chapter for O-Chem

Is there a chapter in out book that goes over the functional group stuff we've been covering?
by Arjun Sharma 1D
Sat Mar 10, 2018 10:07 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Galvanic Cells
Replies: 2
Views: 115

Galvanic Cells

How do the electrons get transferred from anode to the cathode? I understand that there's a wire involved, but do the electrons just kind of shoot through the wire?
by Arjun Sharma 1D
Tue Mar 06, 2018 11:44 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Rate Constants and Temperature
Replies: 3
Views: 200

Rate Constants and Temperature

Is there an equation that relates temperature and rate constants?
by Arjun Sharma 1D
Tue Mar 06, 2018 11:41 pm
Forum: Second Order Reactions
Topic: Week 9 HW and test promblems
Replies: 5
Views: 323

Re: Week 9 HW and test promblems

Wait I am confused, someone said mechanisms shouldn't be on the test and then also the class website says "Test 3 covers Kinetics Chapter 15.1 to end of 15.6"... why is everything fair game? Catalysts and a lot of the other topics weren't really covered in class were they (yet)? Im sure w...
by Arjun Sharma 1D
Tue Mar 06, 2018 10:45 pm
Forum: Zero Order Reactions
Topic: Test 3
Replies: 1
Views: 212

Test 3

Are negative orders going to be on test 3?
by Arjun Sharma 1D
Tue Feb 27, 2018 9:56 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

Why are chemists so great at solving problems?

Cause they work with all the solutions ;)
by Arjun Sharma 1D
Tue Feb 27, 2018 9:54 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

Organic Chemistry is difficult. Those who study it have alkynes of trouble.
by Arjun Sharma 1D
Tue Feb 27, 2018 9:53 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

A photon checks into a hotel and is asked if he needs any help with his luggage. He says, "No, I'm traveling light."
by Arjun Sharma 1D
Mon Feb 26, 2018 11:51 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

There was once a man who was frozen to absolute 0...
He’s 0K now
by Arjun Sharma 1D
Mon Feb 26, 2018 11:50 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

What did one charged ions say to the other?

I got my ion you ;)
by Arjun Sharma 1D
Mon Feb 26, 2018 11:48 am
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Salt Bridge [ENDORSED]
Replies: 2
Views: 118

Salt Bridge [ENDORSED]

What’s the advantage of having a salt bridge over a porous membrane again? How do both of the work?
by Arjun Sharma 1D
Fri Feb 16, 2018 1:44 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

f H2O is the formula for water, what is the formula for ice? H2O cubed ;)
by Arjun Sharma 1D
Fri Feb 16, 2018 1:40 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

What do you do with a sick chemist?
If you can't helium, and you can't curium, then you might as well barium.
by Arjun Sharma 1D
Fri Feb 16, 2018 1:37 am
Forum: General Science Questions
Topic: Heat from Sun
Replies: 1
Views: 371

Heat from Sun

I think I have an idea but just out of curiosity: how does the Sun transfer heat to the Earth?
by Arjun Sharma 1D
Sat Feb 10, 2018 4:58 pm
Forum: Calculating Work of Expansion
Topic: Reversible vs Irreversible Work
Replies: 1
Views: 95

Reversible vs Irreversible Work

I remember in one of Dr. Lavelle's lectures he reasoned that reversible processes do more work than irreversible processes because they're pushing against a higher external pressure. For instance, 2 atm pushing against 2 atm for reversible and 2 atm pushing against 1 atm for irreversible. But I was ...
by Arjun Sharma 1D
Tue Feb 06, 2018 4:05 pm
Forum: Administrative Questions and Class Announcements
Topic: Bruin Cast
Replies: 5
Views: 273

Bruin Cast

Is this class Bruincasted? If so, where can I find it?
by Arjun Sharma 1D
Sun Feb 04, 2018 2:40 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: q=-w [ENDORSED]
Replies: 5
Views: 206

q=-w [ENDORSED]

I have a couple of questions about situations where this equation is true. First, why is it that the surroundings give heat to the system to make up for energy lost as work? (I understand that it keeps the temperature constant, but is this just something we observe or?) Second, are these scenarios i...
by Arjun Sharma 1D
Sun Feb 04, 2018 1:41 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

Never trust an atom, they make up everything.
by Arjun Sharma 1D
Sun Feb 04, 2018 1:32 pm
Forum: Calculating Work of Expansion
Topic: Reversible Expansion
Replies: 3
Views: 163

Re: Reversible Expansion

@Ramaya Lakkaraju 1B, I think it has to do with the fact that equation comes from situations where q=-w, which may only be true for reversible processes. Need confirmation on that though.
by Arjun Sharma 1D
Sat Feb 03, 2018 2:40 pm
Forum: Calculating Work of Expansion
Topic: Reversible Expansion
Replies: 3
Views: 163

Reversible Expansion

I think I understand the concept of a reversible expansion as it applies to problems we'll be doing in this class. But I don't understand the point of reversible expansion, like how does it apply to real life?
by Arjun Sharma 1D
Tue Jan 23, 2018 4:06 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: 3/2R
Replies: 1
Views: 89

3/2R

Are the formulas for Cv,m and Cv,p for atoms, linear molecules and non linear molecules (3/2R, 5/2R, etc) gonna be on test 1?
by Arjun Sharma 1D
Sun Jan 21, 2018 5:17 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7348
Views: 889387

Re: Post All Chemistry Jokes Here

Met this girl in my calculus class; funny thing is we ended up having chemistry
by Arjun Sharma 1D
Sun Jan 21, 2018 4:26 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Enthalpy equation
Replies: 2
Views: 110

Enthalpy equation

In the equation H= U + PV, where does the PV at the end come from?
by Arjun Sharma 1D
Sun Jan 21, 2018 4:22 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: state property
Replies: 3
Views: 129

Re: state property

So think of a car going down a hill and theres something at the bottom of the hill the car's going to hit. If the car breaks on its downhill approach to the object, it uses more heat than work in the process. If the car doesn't break and wildly goes straight into the object, it uses more work than h...
by Arjun Sharma 1D
Sun Jan 14, 2018 10:21 pm
Forum: Calculating Work of Expansion
Topic: Equations for calculating work for irreversible and reversible reactions
Replies: 1
Views: 101

Re: Equations for calculating work for irreversible and reversible reactions

To my understanding, yes w=-Pex(delta V) is for irreversible expansion. I believe the reason that reversible expansion requires a more complicated calculus based work equation is that it deals with an infinitely small change in volume.
by Arjun Sharma 1D
Sat Jan 13, 2018 3:34 pm
Forum: Phase Changes & Related Calculations
Topic: Physical Change vs Chemical Change
Replies: 2
Views: 130

Physical Change vs Chemical Change

Is the conversion of graphite to diamond a physical change or a chemical change?
by Arjun Sharma 1D
Sat Jan 13, 2018 3:31 pm
Forum: Phase Changes & Related Calculations
Topic: Phase Changes
Replies: 13
Views: 507

Re: Phase Changes

It would probably be a good idea to know the names of the different phase changes in case they just use the specific name w/o description in a problem @Dylan Mai 1D
by Arjun Sharma 1D
Wed Jan 10, 2018 11:49 pm
Forum: Phase Changes & Related Calculations
Topic: Energy
Replies: 2
Views: 173

Energy

I was wondering how we visualize energy? Like between the different types (work energy, heat energy, etc.) is there any common thread that makes energy energy?

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