Introduction to Organic Chemistry &
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
A 2.5 g sample of a reddish-brown metal gave off 65 cal of heat as
its temperature decreased from 50°C to 27°C. What is the specific
heat of the metal? -
correct answer ✅1.13 cal/g°C
A 10.3 g sample of a reddish-brown metal gave off 102 cal of heat
as its temperature decreased from 62°C to 40°C. What is the
specific heat of the metal? -
correct answer ✅0.45 cal/g°C
A 8.2 g sample of a reddish-brown metal gave off 50 cal of heat as
its temperature increased from 70°C to 95°C. What is the specific
heat of the metal? -
correct answer ✅0.24 cal/g°C
The SI unit of energy, work, and heat is the joule (J). Another unit of
energy, used widely in the health professions and everyday life, is
the calorie (cal). One cal contains how many joules?
0.098 J -
correct answer ✅4.184 J
,Introduction to Organic Chemistry &
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
How much energy is expended when a 180-Pound person exercises
for one hour by walking up hill? -
correct answer ✅1,200 kcal
How much energy is expended when a 180-Pound person exercises
for one hour by golfing while carrying clubs? -
correct answer ✅425 kcal
When water is heated above ________________ °C it becomes a
gas phase. -
correct answer ✅100
Sodium chloride becomes a solid phase when it is cooled below
________________ °C. -
correct answer ✅801
Glass is one example of an ____________________solid. -
correct answer ✅Amorphous
,Introduction to Organic Chemistry &
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
Which of the following is not a property of an acid? -
correct answer ✅Have a pH more than 7
Write the equilibrium chemical equation for the partial ionization of
C5H5N(aq). -
correct answer ✅C5H5N(aq) + H2O(ℓ) ⇆ C5H5NH+(aq) + OH−(aq)
Which solute combinations would not make a buffer solution? -
correct answer ✅HCl & NaCl
Glucose -
correct answer ✅Simple sugar, quick energy
Amylase -
correct answer ✅enzyme that breaks down starch
Amino -
correct answer ✅Building blocks of protein
, Introduction to Organic Chemistry &
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
Protein -
correct answer ✅Macromolecule composed of amino acids
Fructose -
correct answer ✅Sugar found in fruits
Transcription -
correct answer ✅Copying DNA into RNA
Carbohydrates -
correct answer ✅Macromolecules composed of sugar
catalyst -
correct answer ✅substance that speeds up the rate of a chemical
reaction
Phospholipids -
correct answer ✅Type of lipid component of cell membranes
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
A 2.5 g sample of a reddish-brown metal gave off 65 cal of heat as
its temperature decreased from 50°C to 27°C. What is the specific
heat of the metal? -
correct answer ✅1.13 cal/g°C
A 10.3 g sample of a reddish-brown metal gave off 102 cal of heat
as its temperature decreased from 62°C to 40°C. What is the
specific heat of the metal? -
correct answer ✅0.45 cal/g°C
A 8.2 g sample of a reddish-brown metal gave off 50 cal of heat as
its temperature increased from 70°C to 95°C. What is the specific
heat of the metal? -
correct answer ✅0.24 cal/g°C
The SI unit of energy, work, and heat is the joule (J). Another unit of
energy, used widely in the health professions and everyday life, is
the calorie (cal). One cal contains how many joules?
0.098 J -
correct answer ✅4.184 J
,Introduction to Organic Chemistry &
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
How much energy is expended when a 180-Pound person exercises
for one hour by walking up hill? -
correct answer ✅1,200 kcal
How much energy is expended when a 180-Pound person exercises
for one hour by golfing while carrying clubs? -
correct answer ✅425 kcal
When water is heated above ________________ °C it becomes a
gas phase. -
correct answer ✅100
Sodium chloride becomes a solid phase when it is cooled below
________________ °C. -
correct answer ✅801
Glass is one example of an ____________________solid. -
correct answer ✅Amorphous
,Introduction to Organic Chemistry &
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
Which of the following is not a property of an acid? -
correct answer ✅Have a pH more than 7
Write the equilibrium chemical equation for the partial ionization of
C5H5N(aq). -
correct answer ✅C5H5N(aq) + H2O(ℓ) ⇆ C5H5NH+(aq) + OH−(aq)
Which solute combinations would not make a buffer solution? -
correct answer ✅HCl & NaCl
Glucose -
correct answer ✅Simple sugar, quick energy
Amylase -
correct answer ✅enzyme that breaks down starch
Amino -
correct answer ✅Building blocks of protein
, Introduction to Organic Chemistry &
Biochemistry Westcott Final Exam Prep
Questions & Answers (Grade A+)
Protein -
correct answer ✅Macromolecule composed of amino acids
Fructose -
correct answer ✅Sugar found in fruits
Transcription -
correct answer ✅Copying DNA into RNA
Carbohydrates -
correct answer ✅Macromolecules composed of sugar
catalyst -
correct answer ✅substance that speeds up the rate of a chemical
reaction
Phospholipids -
correct answer ✅Type of lipid component of cell membranes