When one mol of KOH is neutralized by sulfuric acid, q = − 56 kJ. (This is called the heat of neutralization.) At 23.7°C, 25.0 mL of 0.475 M H 2 SO 4 is neutralized by 0.613 M KOH in a coffee-cup calorimeter. Assume that the specific heat of all solutions is 4.18 J / g ⋅ ° C , that the density of all solutions is 1.00 g/mL, and that volumes are additive. (a) How many mL of KOH is required to neutralize H 2 SO 4 ? (b) What is the final temperature of the solution?
When one mol of KOH is neutralized by sulfuric acid, q = − 56 kJ. (This is called the heat of neutralization.) At 23.7°C, 25.0 mL of 0.475 M H 2 SO 4 is neutralized by 0.613 M KOH in a coffee-cup calorimeter. Assume that the specific heat of all solutions is 4.18 J / g ⋅ ° C , that the density of all solutions is 1.00 g/mL, and that volumes are additive. (a) How many mL of KOH is required to neutralize H 2 SO 4 ? (b) What is the final temperature of the solution?
Solution Summary: The author explains that the volume of KOH required to neutralize H 2 SO 4 needs to be calculated.
When one mol of KOH is neutralized by sulfuric acid,
q
=
−
56
kJ. (This is called the heat of neutralization.) At 23.7°C, 25.0 mL of 0.475 M H2SO4 is neutralized by 0.613 M KOH in a coffee-cup calorimeter. Assume that the specific heat of all solutions is
4.18
J
/
g
⋅
°
C
, that the density of all solutions is 1.00 g/mL, and that volumes are additive.
(a) How many mL of KOH is required to neutralize H2SO4?
(b) What is the final temperature of the solution?
Q1: For each molecule, assign each stereocenter as R or S. Circle the meso compounds. Label
each compound as chiral or achiral.
+
CI
Br
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OH
H
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HO
3
D
။။ဂ
CI
Br
H,
CI
Br
Br H₂N
OMe
R
IN
I
I
N
S
H
Br
ជ័យ
CI
CI
D
OH
Chapter 8 Solutions
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