CHEM 101 MIDTERM IVY TECH WITH COMPLETE
SOLUTIONS GUARANTEED PASS
Which of the following is considered a hypothesis (as
opposed to an observation)? - ANSWER ->Birds can fly
because they have hollow bones
Which of the following would be considered a theory? -
ANSWER ->Helium balloons float because helium is less
dense than air.
Which of the statements below is NOT part of the
scientific method? - ANSWER ->All of the above steps are
part of the scientific method.
Which statement about a hypothesis is TRUE? - ANSWER
->All of the above statements are true.
Who discovered the law of conservation of mass? -
ANSWER ->Antoine Lavoisier
The distance between two hydrogen atoms in a molecule
of water 0.0000000000172 m. Express this distance in
scientific notation. - ANSWER ->1.72 x 10^-10 m
, Which of the following would NOT be considered a
correct conversion factor? - ANSWER ->1 pair of shoes =
1 shoe
In the number 48.93, which digit is estimated? - ANSWER
->3
The correct number of significant figures in the number
0.027090 is: - ANSWER ->5
The base SI unit for temperature is: - ANSWER ->Kelvin
The correct scientific notation for the number
0.00050210 is: - ANSWER ->5.0210 x 10^-4
How many inches are in 25.8 cm? - ANSWER ->10.2 in
Which of the following statements is NOT part of the
rules for determining significant figures? - ANSWER -
>Non-zero digits at the end of a number are not
significant.
The correct number for significant figures in the number
1.250100 is: - ANSWER ->7
SOLUTIONS GUARANTEED PASS
Which of the following is considered a hypothesis (as
opposed to an observation)? - ANSWER ->Birds can fly
because they have hollow bones
Which of the following would be considered a theory? -
ANSWER ->Helium balloons float because helium is less
dense than air.
Which of the statements below is NOT part of the
scientific method? - ANSWER ->All of the above steps are
part of the scientific method.
Which statement about a hypothesis is TRUE? - ANSWER
->All of the above statements are true.
Who discovered the law of conservation of mass? -
ANSWER ->Antoine Lavoisier
The distance between two hydrogen atoms in a molecule
of water 0.0000000000172 m. Express this distance in
scientific notation. - ANSWER ->1.72 x 10^-10 m
, Which of the following would NOT be considered a
correct conversion factor? - ANSWER ->1 pair of shoes =
1 shoe
In the number 48.93, which digit is estimated? - ANSWER
->3
The correct number of significant figures in the number
0.027090 is: - ANSWER ->5
The base SI unit for temperature is: - ANSWER ->Kelvin
The correct scientific notation for the number
0.00050210 is: - ANSWER ->5.0210 x 10^-4
How many inches are in 25.8 cm? - ANSWER ->10.2 in
Which of the following statements is NOT part of the
rules for determining significant figures? - ANSWER -
>Non-zero digits at the end of a number are not
significant.
The correct number for significant figures in the number
1.250100 is: - ANSWER ->7
