(a) Interpretation: The strongest acid should be identified. Concept introduction: Titration is a process that determines the concentration of solution by known volume to react with a standard solution of another substance. titration curve is a plot of pH of solution versus volume of titrant. The shape of titration curve identifies the equivalence point in titration. The point at which equivalent quantity of acid and base have been mixed together is called equivalent point. at equivalence point depends upon the relative strength of acids or bases. is defined as the acid dissociation constant in conjugate acid-base pairs. is defined as the base ionization constant in acid-base pairs. is the equilibrium constant for water. At is equal to The expression for relation between and is as follows: Rearrange above equation for Rearrange above equation for At is equal to the equation will be modified as follows:
(a) Interpretation: The strongest acid should be identified. Concept introduction: Titration is a process that determines the concentration of solution by known volume to react with a standard solution of another substance. titration curve is a plot of pH of solution versus volume of titrant. The shape of titration curve identifies the equivalence point in titration. The point at which equivalent quantity of acid and base have been mixed together is called equivalent point. at equivalence point depends upon the relative strength of acids or bases. is defined as the acid dissociation constant in conjugate acid-base pairs. is defined as the base ionization constant in acid-base pairs. is the equilibrium constant for water. At is equal to The expression for relation between and is as follows: Rearrange above equation for Rearrange above equation for At is equal to the equation will be modified as follows:
Solution Summary: The author explains that titration determines the concentration of solution by known volume to react with a standard solution of another substance.
Titration is a process that determines the concentration of solution by known volume to react with a standard solution of another substance.
titration curve is a plot of pH of solution versus volume of titrant. The shape of titration curve identifies the equivalence point in titration.
The point at which equivalent quantity of acid and base have been mixed together is called equivalent point. at equivalence point depends upon the relative strength of acids or bases.
is defined as the acid dissociation constant in conjugate acid-base pairs. is defined as the base ionization constant in acid-base pairs. is the equilibrium constant for water. At is equal to
The expression for relation between and is as follows:
Rearrange above equation for
Rearrange above equation for
At is equal to the equation will be modified as follows:
Interpretation Introduction
(b)
Interpretation:
The weakest acid should be identified.
Concept introduction:
Titration is a process that determines the concentration of solution by known volume to react with a standard solution of another substance.
titration curve is a plot of pH of solution versus volume of titrant. The shape of titration curve identifies the equivalence point in titration.
The point at which equivalent quantity of acid and base have been mixed together is called equivalent point. at equivalence point depends upon the relative strength of acids or bases.
is defined as the acid dissociation constant in conjugate acid-base pairs. is defined as the base ionization constant in acid-base pairs. is the equilibrium constant for water. At is equal to
The expression for relation between and is as follows:
Rearrange above equation for
Rearrange above equation for
At is equal to the equation will be modified as follows:
Rank the labeled protons (Ha-Hd) in order of increasing acidity, starting with the least acidic.
НОН НЬ
OHd
Онс
Can the target compound at right be efficiently synthesized in good yield from the unsubstituted benzene at left?
?
starting
material
target
If so, draw a synthesis below. If no synthesis using reagents ALEKS recognizes is possible, check the box under the drawing area.
Be sure you follow the standard ALEKS rules for submitting syntheses.
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Note for advanced students: you may assume that you are using a large excess of benzene as your starting material.
C
:0
T
Add/Remove step
G
The following equations represent the formation of compound MX. What is the AH for the
electron affinity of X (g)?
X₂ (g) → 2X (g)
M (s) → M (g)
M (g)
M (g) + e-
AH = 60 kJ/mol
AH = 22 kJ/mol
X (g) + e-X (g)
M* (g) +X (g) → MX (s)
AH = 118 kJ/mol
AH = ?
AH = -190 kJ/mol
AH = -100 kJ/mol
a)
-80 kJ
b)
-30 kJ
c)
-20 kJ
d)
20 kJ
e)
156 kJ
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