Chapter 5: Thermodynamics Worksheet With Answers - Ap Chemistry 2015-2016
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14AP
C hemistry
2 015-‐‑ 2 016
Name:
Chapter
5 :
T hermodynamics
Date:
Per:
5.1-‐‑ 5 .4
T hermodynamic
B asics
1) Define
a nd
d escribe
t he
f ollowing
t hermochemistry
t erms:
Helpful
I nformation:
a) Energy
Ability
t o
d o
w ork
o r
t ransfer
h ear
w
=
-‐‑ P ∆V
b) Work
1 01
J
=
1
a tm
∙
L
Energy
t hat
c auses
a n
o bject
t o
m ove
a gainst
a
f orce
P V
=
n RT
( Ideal
G as
L aw)
c) Heat
Energy
t ransferred
f rom
h otter
t o
c older
o bject
R
v alues
l isted
o n
y our
c heat
s heet
S TP
–
s tandard
c onditions
d) Kinetic
e nergy
Energy
o f
m otion
e) Potential
e nergy
Energy
o f
p osition
r elative
t o
a nother
o bject
f) Joule
Unit
o f
e nergy.
1
J
=
1
K g*m
/s
2
2
g) System
What
w e re
s tudying;
t ypically
t he
a toms/molecules
i nvolved
i n
a
r eaction
h) Surroundings
Everything
t hat s
n ot
t he
s ystem
i) Internal
e nergy
Sum
o f
a ll
e nergies
o f
a
s ystem
j) Endothermic
System
a bsorbs
h eat
k) Exothermic
System
p roduces/releases
h eat
l) State
f unction
Property
o f
s ystem
t hat
i s
d etermined
b y
s pecifying
c onditions
o r
i ts
s tate
2)
T horoughly
e xplain
t his
e quation
f or
e lectrostatic
p otential
e nergy:
E
=
k Q
Q
el
1
2
including
e ach
l etter
o r
s ymbol.
d
E=
p otential
e nergy
–
i nteraction
b etween
t wo
c harged
p articles
( cation
a nd
a nion).
k
=
proportionality
c onstant:
8 .99
x
1 0
J*m/C
.
d
=
d istance
b etween
a toms.
Q
=
m agnitude
o f
e lectrical
9
2
charges
3)
D escribe
t he
F irst
L aw
o f
T hermodynamics.
Energy
i s
n ot
c reated
o r
d estroyed,
j ust
t ransferred
o r
c hanged.
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