Remaining
Time:
27
minute
53
seconds
Question
Completio
Status
QUES
TION
11
BONU
QUESTI
Observi
a
color
chang
is
a
quantitati
measurem
True
False
QUESTION
12
BONUS
QUESTIO
One
substance
undergoe
Sublimation,
while
another
substance
undergo
Evaporatio
Both
substances
will
be
i
their
gaseous
states.
True
False
QUESTION
9
THERMOCHEMIST
Q
4
Given
the
number
of
moles
of
the
final
solutio
(
=0.045
mol)
calculat
the
molar
heat
of
neutralizati
(
AH
O
66.93
kJ/mol
O0.1355
kJ/
O
0.0149
kJ/mol
O
78.1
kJ/mol
QUESTION
10
THERMOCHEMISTRY:
Q
5.
Specif
whether
your
calculated
AH
value
should
have
a
positiv
or
negativ
sign
O
Positive
because
heat
is
released
i
neutralization
reactions.
O
Negativ
because
heat
is
absorbed
in
neutralizatio
reactions.
O
Negativ
because
heat
is
released
in
neutralizatio
reactions.
O
Positive
because
heat
is
absorbed
in
neutralization
reactions.
QUESTION
11
QUESTION
5
UNIVERS
GA
CO
STAN
Q
2.
Calculate
the
gas
constant
of
the
H
gas
O
0.08
atm.L/mol.K
O0.100
atm.L/
O
0.000
atm.LUmol.
O
7670
atm
LUmol
K
QUESTION
6
THERMOCHEMIST
Q1
Thermochemistr
experiment
was
conducted
to
calculate
the
molar
heat
of
a
neutralization
reaction.
Two
solutions
were
used
in
this
experiment;
60
mL
of
HCI
solution
and
60
mL
of
NAOH
solution.
•
The
initial
temperature
of
each
one
of
these
solutions
was
21
C.i
.
The
two
solutions
were
mixed
together
and
the
final
solution
had
a
temperature
of
27
°C
Answer
the
following
FIVE
question:
1.
Assuming
that
for
each
solution
(
volum
=
mass
)
calculate
the
mass
(
m
o
th
final
solution.
120
g
360
g
60
g
O
12
g
QUESTION
7
THERMOCHEMI
Q
2.
Calculat
the
chang
in
temperatur
(
AT
O
21
°C
O
27
°C
O7c
O6°C
QUESTION
8
THERMOCHEM
STR
Q
3
Given
the
heat
constant
(
=0.004184
KJI°C.g)
calculate
the
heat
of
solution
(
g
)
O
3.012
kJ
O351
k
O
13.55
kJ
O
30.125
kJ
QUESTION
9
QUESTION
2
TITRATION:
Q
2.
Calcula
th
numb
of
mole
o
NaO
solutio
O
0.00
mo
O0.002
mo
O
0.00
mol
O
0.00
mo
QUESTION
3
Remaining
Time:
29
minutes,
46
seconds.
Question
Completio
Status:
QUESTION
1
ITRATIO
Q1
A
titration
experiment
was
performed
with
a
solution
of
HCl
and
another
solution
of
NaOH.
The
aim
of
the
experiment
was
to
calculate
the
concentration
of
the
HCl
solution.
–
The
concentration
of
NaOH
solution
was
given
to
be
0.1
mol/L.
A
–
volume
of
0.035
Lof
NAOH
solution
was
added
to
a
burette.
–
A
volume
of
0.01
L
of
HCl
solution
was
added
to
a
flask
with
two
drop
of
p
indicator.
–
NaOH
solution
had
been
slowly
added
to
the
HCl
in
the
flask
until
the
end-
was
reached.
–
At
the
end-
the
final
burette
readin
was
0.025
L
Answer
the
followin
THREE
questions:
1.
What
is
the
actual
volume
of
the
NaOH
solution
that
was
titrated
?
O0.02
m
O
0.035
mL
0.06
m
O0.01
m
O
0.0025
mol
O
0.006
mol
O
0.001
mol
QUESTION
3
TITRATION:
Q3
3
Calculate
the
concentration
of
the
HC
solution.
O
0.00
mol/
O10
mol/
O
0.1
mol/
O
10
mol/
QUESTION
4
puedU.sa
Webapps/assessimentvtake/
jda_992835_
=
nu
A
Map
d-
Bb
Collaborat
Ne
Ta
PMU:
Princ
Moha..
Impa
o
Online
C
Remainin
Tine:
28
minute
56
seconds
Questi
Complet
Status
UTo
QUESTION
4
UNIVER
GA
CONST
Q1
An
experiment
was
conducte
in
which
Hydroge
gas
was
pro
inverted
into
water
bath
and
fixed
with
a
stan
H
gas
wa
collecte
a
th
to
g
to
calculat
its
universal
ga
constan
)
R
(
A
small
plec
of
Magnesium
metal
was
reacted
with
HC
solutio
in
a
burette
that
was
2
8
cted
at
the
to
of
the
burette
and
some
measuremen
were
take
as
folow
The
moles
of
the
gas
was
recorde
at
.0008
mol.
Th
e
the
gas
was
recorde
as
0.99
atn
.
The
temperature
of
th
gas
was
equal
to
the
temperature
of
the
water
path
whic
i
22
C
urete
to
oe
o
Answer
the
folowin
TWO
question:
1.
Convert
the
temperature
to
Kelvin.
29
1
K
259.
K
251.15
K
394
15
K
Under
dergoe
Evaporat
Bot
su
nces
wil
b
i
thei
gaseous
states
O
Irue
O
False
QUESTION
13
BONU
QUESTI
Readin
the
thermomet
is
a
quantitat
measurem
True
O
False
QUESTION
14
BONU
QUESTI
The
use
of
Styrofoa
Cu
in
Thermoche
experim
is
to
allow
heat
exchan
throu
the
wall
of
the
cup.
O
True
O
False
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