Chapter 5/10 Flashcards
1
Q
“mass isn’t created or destroyed” by ______.
A
chemical reactions
2
Q
energy
A
a quantity that like mass and momentum is conserved, conversions between different forms of energy are accompanied by changes in the state of matter
3
Q
work
A
process of transferring energy from one form to another (often to realize a desired change in our surroundings)
4
Q
internal energy
A
- random molecular scale motion (heat)
- molecular scale interactions
- bonding interactions (energy stored in chemical bonds)
- other (energy stored in nuclear)
5
Q
flow work
A
the work done against pressure to occupy a space
6
Q
shaft work
A
work done on a material, other than flow work is referred to as shaft work
