1/31 reading and notes Flashcards

1
Q

energy

A

capacity to do work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

work

A

action of a force through a distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

thermal energy

A

energy associated with temp of an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

thermal energy is a type of ____ _____

A

kinetic energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

total quantity of energy is

A

constant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

first law of thermodynamics

A

energy is neither created nor destroyed only transformed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

chemical energy =

A

potential energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

exothermic

A

loses energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

endothermic

A

gain thermal energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

thermochemisyru

A

study of chnages in energy that accompany chemical reactions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

internal energy formula

A

change in E = Ef - Ei

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the universe is made up of the ______ (the part of interest) and ______, which is everything else

A

system; surroundings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

change in Esys =

A

-change in Esurr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

in chemistry what is a system

A

chemical reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what are two ways energy moves in bteween the system ad surrounding

A

heat + work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

change in E =

A

q + w

17
Q

when is pressure-volume work done

A

when gases expand or are compressed under external pressure (P)
w=-Pchange inV