CHM 114 FINAL EXAM 2025/2026 Exam
Questions and Detailed Answers | Get it
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pH equation - 🧠 ANSWER ✔✔pKa + log[A-]/[HA]
pH1/2 - 🧠 ANSWER ✔✔pKa = -logKa
If a reaction is carried out in a series of steps, change in H for the reaction
will equal the sum of the enthalpy changes for the individual steps: - 🧠
ANSWER ✔✔Hess's law
apparatus that insulates system from surroundings - 🧠 ANSWER
✔✔calorimeter
Standardize NaOH with - 🧠 ANSWER ✔✔KHP
Standardize HCl with - 🧠 ANSWER ✔✔NaOH
Soda ash is - 🧠 ANSWER ✔✔impure sodium carbonate
Soda ash is is an essential raw material in - 🧠 ANSWER ✔✔glass,
chemicals, detergents, and industrial products
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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,involves the design and use of methods to reduce the risk of health and
environmental hazards in the manufacture and use of chemicals: - 🧠
ANSWER ✔✔green chemistry
oxidized: - 🧠 ANSWER ✔✔lose electrons
reduced: - 🧠 ANSWER ✔✔gain electrons
common name for ascorbic acid: - 🧠 ANSWER ✔✔Vitamin C
ligands that can wrap themselves around a metal cation and interact by
forming multiple bonds are called: - 🧠 ANSWER ✔✔chelates
Determination of a Ka of a Weak Acid (Quiz #1) - 🧠 ANSWER ✔✔...
Rank the following liquids in order of decreasing acidity: coffee (ph 5),
tomato juice (ph 4.20), bleach (ph 11.5), milk (ph 6.4) - 🧠 ANSWER
✔✔tomato juice (4.2) > coffee (5.0) > milk (6.4) > bleach (11.5)
if a weak acid is titrated with a strong base such as NaOH, will the
equivalence point in the titration occur below pH 7.00, at pH 7.00 or above
pH 7.00? - 🧠 ANSWER ✔✔above pH 7.00
a popular brand of lemonade has a [H3O+] of 9.90 x 10^-5. What is the pH
of this lemonade? - 🧠 ANSWER ✔✔[H3O+] = 9.90 x 10^-5
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, pH = -log[H3O+] = -log(9.90x10^-5) = 4.0
the weak acid (HA) reacts with water to establish the equilibrium. please
write this chemical reaction equation. - 🧠 ANSWER ✔✔HA + H2O ---> <---
H3O+ + A-
the equilibrium formed in the above question can be used to determine the
acid dissociation constant (Ka) of the weak acid (HA). please write out the
equation to calculate Ka. - 🧠 ANSWER ✔✔Ka = [H3O+]eq x [A-]eq / [HA]eq
T or F: the pKa of the weak acid is equal to the pH of the equivalent point?
- 🧠 ANSWER ✔✔false
T or F: the pH of neutralized solution must be 7? - 🧠 ANSWER ✔✔true
the reading of buret in the picture is - 🧠 ANSWER ✔✔16.42 mL
Chemical Thermodynamics (Quiz #2) - 🧠 ANSWER ✔✔Content
if a chemical reaction is carried out in a calorimeter containing 125 mL of
water solution and the temperature is observed to rise from an initial value
of 21.2 degrees C to 25.1 degrees C, was the reaction endothermic or
exothermic? - 🧠 ANSWER ✔✔exothermic
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Detailed Answers | Get it
100% Correct Answers
pH equation - 🧠 ANSWER ✔✔pKa + log[A-]/[HA]
pH1/2 - 🧠 ANSWER ✔✔pKa = -logKa
If a reaction is carried out in a series of steps, change in H for the reaction
will equal the sum of the enthalpy changes for the individual steps: - 🧠
ANSWER ✔✔Hess's law
apparatus that insulates system from surroundings - 🧠 ANSWER
✔✔calorimeter
Standardize NaOH with - 🧠 ANSWER ✔✔KHP
Standardize HCl with - 🧠 ANSWER ✔✔NaOH
Soda ash is - 🧠 ANSWER ✔✔impure sodium carbonate
Soda ash is is an essential raw material in - 🧠 ANSWER ✔✔glass,
chemicals, detergents, and industrial products
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,involves the design and use of methods to reduce the risk of health and
environmental hazards in the manufacture and use of chemicals: - 🧠
ANSWER ✔✔green chemistry
oxidized: - 🧠 ANSWER ✔✔lose electrons
reduced: - 🧠 ANSWER ✔✔gain electrons
common name for ascorbic acid: - 🧠 ANSWER ✔✔Vitamin C
ligands that can wrap themselves around a metal cation and interact by
forming multiple bonds are called: - 🧠 ANSWER ✔✔chelates
Determination of a Ka of a Weak Acid (Quiz #1) - 🧠 ANSWER ✔✔...
Rank the following liquids in order of decreasing acidity: coffee (ph 5),
tomato juice (ph 4.20), bleach (ph 11.5), milk (ph 6.4) - 🧠 ANSWER
✔✔tomato juice (4.2) > coffee (5.0) > milk (6.4) > bleach (11.5)
if a weak acid is titrated with a strong base such as NaOH, will the
equivalence point in the titration occur below pH 7.00, at pH 7.00 or above
pH 7.00? - 🧠 ANSWER ✔✔above pH 7.00
a popular brand of lemonade has a [H3O+] of 9.90 x 10^-5. What is the pH
of this lemonade? - 🧠 ANSWER ✔✔[H3O+] = 9.90 x 10^-5
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
, pH = -log[H3O+] = -log(9.90x10^-5) = 4.0
the weak acid (HA) reacts with water to establish the equilibrium. please
write this chemical reaction equation. - 🧠 ANSWER ✔✔HA + H2O ---> <---
H3O+ + A-
the equilibrium formed in the above question can be used to determine the
acid dissociation constant (Ka) of the weak acid (HA). please write out the
equation to calculate Ka. - 🧠 ANSWER ✔✔Ka = [H3O+]eq x [A-]eq / [HA]eq
T or F: the pKa of the weak acid is equal to the pH of the equivalent point?
- 🧠 ANSWER ✔✔false
T or F: the pH of neutralized solution must be 7? - 🧠 ANSWER ✔✔true
the reading of buret in the picture is - 🧠 ANSWER ✔✔16.42 mL
Chemical Thermodynamics (Quiz #2) - 🧠 ANSWER ✔✔Content
if a chemical reaction is carried out in a calorimeter containing 125 mL of
water solution and the temperature is observed to rise from an initial value
of 21.2 degrees C to 25.1 degrees C, was the reaction endothermic or
exothermic? - 🧠 ANSWER ✔✔exothermic
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
