Search found 6 matches

by genesis_escobar_2M
Sun Feb 19, 2017 11:51 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8796
Views: 1494222

Re: Post All Chemistry Jokes Here

by genesis_escobar_2M
Tue Feb 07, 2017 10:56 pm
Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
Topic: cell potential Question
Replies: 1
Views: 359

cell potential Question

Will decreasing the mass of an electrode, lets say a chromium electrode, change the cell potential?
by genesis_escobar_2M
Sun Feb 05, 2017 9:45 pm
Forum: Phase Changes & Related Calculations
Topic: Random question
Replies: 3
Views: 646

Random question

Which involves a greater change in energy, phase changes or chemical changes?
by genesis_escobar_2M
Sat Jan 28, 2017 12:38 pm
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Homework 8.25
Replies: 5
Views: 3683

Re: Homework 8.25

do we just avoid the negative sign when calculating heat capacity?
by genesis_escobar_2M
Sat Jan 21, 2017 6:47 pm
Forum: Phase Changes & Related Calculations
Topic: Quiz Prep #1 question #8
Replies: 2
Views: 499

Quiz Prep #1 question #8

For question number 8 on the first quiz did anyone else get no temperature as the answer?
by genesis_escobar_2M
Sun Jan 15, 2017 3:09 pm
Forum: Administrative Questions and Class Announcements
Topic: A system and its surroundings
Replies: 1
Views: 264

A system and its surroundings

Can someone please explain the following statement:
When a system does work in the surroundings, its capacity to do work is reduced, so we say that energy has fallen.

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