CHEM 1010 Exam 1 Review Questions
and All Correct Answers 2025-2026
Updated.
Which of the following is true about the scientific process? - Answer Science is the process of
gathering knowledge about the natural world.
After testing and refining many ideas, scientists often develop a comprehensive model that
explains why things behave as they do. This type of model is best referred to as a(n): - Answer
theory
Scientific thinking began when: - Answer people became skeptical of their explanations and
turned to experimentation
Which of the following is the most correct statement regarding the relationship of science and
technology? - Answer New technologies tend to arise from scientific discoveries.
____ is often referred to as the "central science" because it connects with every other field of
science. - Answer chemistry
Which of the following would NOT be described correctly as matter? - Answer light
Which of the following is NOT an example of applied research? - Answer A survey of the
number and types of aquatic organisms in a lake.
Which term would best describe an atom? - Answer submicroscopic
Which of the following are volume measurements? Select all that apply, this is a multiple
response question - Answer cubic centimeters (cm3)
milliliters (mL)
liters (L)
A sample of metal has a mass of 0.0793 grams. What is this mass in milligrams? - Answer
79.3 mg
How many nanoseconds are in 125 microseconds (μs)? - Answer 1.25 x 105 ns
, Which of the following are tenets of Dalton's atomic theory? Select all that apply, this is a
multiple response question. Note: DO NOT just mark all statements that are TRUE, select only
the tenets that are a part of Dalton's atomic theory. - Answer All elements are composed of
extremely small particles called atoms
In a chemical reaction, atoms are rearranged but not created nor destroyed.
Who was the first scientist to propose the idea of the atom? - Answer Democritus
Can an object have mass without having weight?
Can an object have weight without having mass? - Answer Yes
No
If you had 50.0 grams of water (density = 1.00 g/mL) and 50.0 grams of ethanol (0.789 g/mL),
which sample would occupy the greatest volume and why? - Answer Ethanol would occupy
the greater volume because it is less dense.
What is the volume of an object that has a mass of 40.0 grams and a density of 1.80 g/mL? -
Answer 22.2 mL
Plants use the radiant energy of sunlight to convert carbon dioxide and water into glucose. The
type of energy stored in the bonds between the atoms in the glucose molecule would be an
example of what type of energy? - Answer chemical potential energy
In the United States, food labels report the energy content of a food in units of Calories, where
1 Calorie = 1000 calories. If a candy bar contains 215 Calories (note the capital "C"), how many
Joules of energy does this candy bar contain? - Answer 9.00 x 105 Joules
Which of the temperatures below would be the coldest? - Answer 0 K ( colder than C, F)
Which of the following best describes a gas? - Answer The molecules are moving quickly and
are spaced widely apart.
What type of phase change does the following figure best describe?
Condensed to the lower 1/3 to speadout all over - Answer evaporation
A perfectly elastic balloon (no change in pressure) with a volume of 34.0 L is heated from 298 K
to 315 K. What is the new volume of the balloon? - Answer 35.9 L
and All Correct Answers 2025-2026
Updated.
Which of the following is true about the scientific process? - Answer Science is the process of
gathering knowledge about the natural world.
After testing and refining many ideas, scientists often develop a comprehensive model that
explains why things behave as they do. This type of model is best referred to as a(n): - Answer
theory
Scientific thinking began when: - Answer people became skeptical of their explanations and
turned to experimentation
Which of the following is the most correct statement regarding the relationship of science and
technology? - Answer New technologies tend to arise from scientific discoveries.
____ is often referred to as the "central science" because it connects with every other field of
science. - Answer chemistry
Which of the following would NOT be described correctly as matter? - Answer light
Which of the following is NOT an example of applied research? - Answer A survey of the
number and types of aquatic organisms in a lake.
Which term would best describe an atom? - Answer submicroscopic
Which of the following are volume measurements? Select all that apply, this is a multiple
response question - Answer cubic centimeters (cm3)
milliliters (mL)
liters (L)
A sample of metal has a mass of 0.0793 grams. What is this mass in milligrams? - Answer
79.3 mg
How many nanoseconds are in 125 microseconds (μs)? - Answer 1.25 x 105 ns
, Which of the following are tenets of Dalton's atomic theory? Select all that apply, this is a
multiple response question. Note: DO NOT just mark all statements that are TRUE, select only
the tenets that are a part of Dalton's atomic theory. - Answer All elements are composed of
extremely small particles called atoms
In a chemical reaction, atoms are rearranged but not created nor destroyed.
Who was the first scientist to propose the idea of the atom? - Answer Democritus
Can an object have mass without having weight?
Can an object have weight without having mass? - Answer Yes
No
If you had 50.0 grams of water (density = 1.00 g/mL) and 50.0 grams of ethanol (0.789 g/mL),
which sample would occupy the greatest volume and why? - Answer Ethanol would occupy
the greater volume because it is less dense.
What is the volume of an object that has a mass of 40.0 grams and a density of 1.80 g/mL? -
Answer 22.2 mL
Plants use the radiant energy of sunlight to convert carbon dioxide and water into glucose. The
type of energy stored in the bonds between the atoms in the glucose molecule would be an
example of what type of energy? - Answer chemical potential energy
In the United States, food labels report the energy content of a food in units of Calories, where
1 Calorie = 1000 calories. If a candy bar contains 215 Calories (note the capital "C"), how many
Joules of energy does this candy bar contain? - Answer 9.00 x 105 Joules
Which of the temperatures below would be the coldest? - Answer 0 K ( colder than C, F)
Which of the following best describes a gas? - Answer The molecules are moving quickly and
are spaced widely apart.
What type of phase change does the following figure best describe?
Condensed to the lower 1/3 to speadout all over - Answer evaporation
A perfectly elastic balloon (no change in pressure) with a volume of 34.0 L is heated from 298 K
to 315 K. What is the new volume of the balloon? - Answer 35.9 L
