Introductory Chemistry Chapter 1 - 4 Exam || Complete Questions & All Accurate Answers (Rated A+)
Introductory Chemistry Chapter 1 - 4 Exam || Complete Questions & All Accurate Answers (Rated A+)
Which of the following terms best describes water? - ANSWER - Molecule
What separates chemistry ...
, Introductory Chemistry Chapter 1 - 4
Exam || Complete Questions & All
Accurate Answers (Rated A+)
Which of the following terms best describes water? - ANSWER - Molecule
What separates chemistry from other branches of science? - ANSWER - Chemistry
focuses on a smaller size than other sciences
Which of the following statements is true? - ANSWER - The scientific method is
cyclical process
The following values were obtained by measuring the length of an object three
separate times. Which one of the following best describes this data?
5.432
5.392
5.486 - ANSWER - Precise
Which one of the following measurements is least accurate? - ANSWER - 90.+1
The density of lead is 11.35g/mL. The experimental values obtained for the density
of lead are 11.3, 11.3, and 11.4g/mL. Which one of the following best describes this
collection of data? - ANSWER - Both Precise and Accurate
The speed of light in a vacuum in about 299800000 m/sec. This number in scientific
notation can be expressed as - ANSWER - 2.998x10^8
Which of the following numbers has the fewest number of significant figures? -
ANSWER - 12000
The length of a single bond joining two carbon atoms together is approximately
0.00000000015 m. This number in scientific notation is expressed as - ANSWER -
1.5x10^-10
It is recommended that a football be inflated to about 9.1 psi (pounds per square
inch). Convert this pressure into mmHg (millimeter of mercury) using the following
information. 1 atm = 14.7 psi and 1 atm = 760 mmHg - ANSWER - 470.5
Which one of the following is not a physical property of a gas? - ANSWER - Particles
packed tightly together
All of the below are physical properties of zinc (Zn) expect: - ANSWER - Releases
H2(g) when mixed with hydrochloric acid (HCI)
Of the three states of matter, which one normally possesses the highest density? -
ANSWER - Solid
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