ch. 6 Flashcards
(10 cards)
1
Q
thermochemistry
A
focuses on the energy component for chemical change
2
Q
energy
A
the ability or capacity to do work and/or the ability t drive chemical reactions
3
Q
temperature
A
an intensive physical property (independent of amount)
4
Q
3 types of systems
A
open, closed, isolated
5
Q
open system
A
both matter and energy can cross the boundary (ex. living system)
6
Q
closed system
A
energy can cross boundary but matter CANNOT
7
Q
isolated system
A
neither energy nor matter can cross the boundary (ex. thermos)
8
Q
Heat flow always occurs from the ___ object to the ___ object
A
warmer, cooler
9
Q
chemical energy
A
the energy stored in chemical bonds
10
Q
thermal energy
A
energy that arises due to random motion of particles
