CHEM 101 IVY TECH MIDTERM EXAM
2026 QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
Which of the following is considered a hypothesis (as opposed to
an observation)? - correct answer -Birds can fly because they
have hollow bones
Which of the following would be considered a theory? - correct
answer -Helium balloons float because helium is less dense than
air.
Which of the statements below is NOT part of the scientific
method? - correct answer -All of the above steps are part of the
scientific method.
Which statement about a hypothesis is TRUE? - correct answer -
All of the above statements are true.
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Who discovered the law of conservation of mass? - correct
answer -Antoine Lavoisier
The distance between two hydrogen atoms in a molecule of water
0.0000000000172 m. Express this distance in scientific notation. -
correct answer -1.72 x 10^-10 m
Which of the following would NOT be considered a correct
conversion factor? - correct answer -1 pair of shoes = 1 shoe
In the number 48.93, which digit is estimated? - correct answer -3
The correct number of significant figures in the number 0.027090
is: - correct answer -5
The base SI unit for temperature is: - correct answer -Kelvin
The correct scientific notation for the number 0.00050210 is: -
correct answer -5.0210 x 10^-4