Search found 6 matches
- Sun Feb 19, 2017 11:51 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3910431
- 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: 467
cell potential Question
Will decreasing the mass of an electrode, lets say a chromium electrode, change the cell potential?
- Sun Feb 05, 2017 9:45 pm
- Forum: Phase Changes & Related Calculations
- Topic: Random question
- Replies: 3
- Views: 923
Random question
Which involves a greater change in energy, phase changes or chemical changes?
- Sat Jan 28, 2017 12:38 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Homework 8.25
- Replies: 16
- Views: 8923
Re: Homework 8.25
do we just avoid the negative sign when calculating heat capacity?
- Sat Jan 21, 2017 6:47 pm
- Forum: Phase Changes & Related Calculations
- Topic: Quiz Prep #1 question #8
- Replies: 2
- Views: 672
Quiz Prep #1 question #8
For question number 8 on the first quiz did anyone else get no temperature as the answer?
- Sun Jan 15, 2017 3:09 pm
- Forum: Administrative Questions and Class Announcements
- Topic: A system and its surroundings
- Replies: 1
- Views: 393
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.
When a system does work in the surroundings, its capacity to do work is reduced, so we say that energy has fallen.