Honors Chemistry Exam Prep Term 2 Final Exam

116 Questions | By Mmccoy14 | Updated: Mar 21, 2022 | Attempts: 95

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Exam Prep.

Questions and Answers

1.

A chemical can be defined as
- A.
  
  A toxic substance
- B.
  
  An unnatural additive placed in food
- C.
  
  Any substance that has a definite composition
- D.
  
  Any substance that is not alive
2.

Inorganice chemistry is the study of
- A.
  
  Non-carbon related compounds
- B.
  
  The chemistry of living things
- C.
  
  Mathematical modeling
- D.
  
  The identification of the composition of materials
3.

Organic chemistry is the study of
- A.
  
  Properties, changes, and relationships between energy and matter
- B.
  
  The chemistry of living things
- C.
  
  Crystals and minerals
- D.
  
  Carbon-containing compounds
4.

Which of the following is an extensive property of matter?
- A.
  
  Melting point
- B.
  
  Boiling point
- C.
  
  Volume
- D.
  
  Density
5.

Which of the following is an intensive property of matter?
- A.
  
  Amount of energy
- B.
  
  Density
- C.
  
  Volume
- D.
  
  Mass
6.

The two most important properties of all matter are
- A.
  
  The ability to carry an electric current well and to hold electric charge
- B.
  
  Taking up space and having mass
- C.
  
  Being brittle and hard
- D.
  
  Being malleable and ductile
7.

A measure of the quantity of matter is
- A.
  
  Density
- B.
  
  Weight
- C.
  
  Volume
- D.
  
  Mass
8.

Under ordinary conditions of temperature and pressure, the particles in a gas are
- A.
  
  Closely packed
- B.
  
  Very far from one another
- C.
  
  Held in fixed positions
- D.
  
  Unevenly distributed
9.

Plasma is the fourth state of matter. In the Plasma state..
- A.
  
  Atoms gain electrons
- B.
  
  Atoms lose electrons
- C.
  
  Atoms form molecules
- D.
  
  Atomic nuclei break down
10.

If a mixture is uniform in a composition, it is said to be
- A.
  
  Homogeneous
- B.
  
  Chemically bonded
- C.
  
  Heterogeneous
- D.
  
  A compound
11.

A homogeneous mixture is also called
- A.
  
  Chemically bonded
- B.
  
  A compound
- C.
  
  A solution
- D.
  
  A solute
12.

If a mixture is not unifom throughout, it is called
- A.
  
  Homogeneous
- B.
  
  Heterogeneous
- C.
  
  Chemically bonded
- D.
  
  A solution
13.

The unit m^3 measures
- A.
  
  Length
- B.
  
  Area
- C.
  
  Volume
- D.
  
  Time
14.

Which of these statements about density is true
- A.
  
  Larger objects are more dense
- B.
  
  Density does not depend on temperature
- C.
  
  Density is a physical property
- D.
  
  The density of an object depends on the force of gravity
15.

The density of pure diamond is 3.5 g/cm^3. What is the volume of a diamond with a mass of 0.25 g?
- A.
  
  0.071cm^3
- B.
  
  0.875cm^3
- C.
  
  3.75cm^3
- D.
  
  14 cm^3
16.

A measurement that closely agrees with an accepted value is best described as
- A.
  
  Precise
- B.
  
  Reproducible
- C.
  
  Significant
- D.
  
  Accurate
17.

A numerical result is said to have good precision if
- A.
  
  It agrees closely with an accepted value
- B.
  
  Repeated measurements agree closely
- C.
  
  It has a small number of significant figures
- D.
  
  It is a large whole number
18.

The measurement 0.035550 g rounded of to two significant figures would be
- A.
  
  0.03 g
- B.
  
  0.35 g
- C.
  
  0.036 g
- D.
  
  3.5 X 10^2 g
19.

Which of these measurements has only nonsignificant zeros?
- A.
  
  0.0037 mL
- B.
  
  60.0 mL
- C.
  
  400. mL
- D.
  
  506 mL
20.

How is the measurement 0.000065 cm written in scientific notation?
- A.
  
  6.5 X 10^-6 cm
- B.
  
  6.5 X 10^-5 cm
- C.
  
  6.5 X 10^-6 cm
- D.
  
  6.4 X 10^-4 cm
21.

When 1.92 X 10^-6 kg is divided by 6.8 X 10^2 mL, the quotient equals
- A.
  
  2.8 X 10^-4 kg/mL
- B.
  
  2.8 X 10^-5 kg/mL
- C.
  
  2.8 X 10^-8 kg/mL
- D.
  
  2.8 X 10^-9 kg/mL
22.

Dalton incorporated the law of conservation of mass into his atomic theory by asserting that
- A.
  
  Atoms are indivisible
- B.
  
  Atoms of different elements have different properties
- C.
  
  Matter is composed of atoms
- D.
  
  Atoms can be destroyed in chemical reactions
23.

If two or more compounds are composed of the same two elements, the ratio of the masses of one element that combine with a fixed mass of the other element is a simple whole number. This is a statement of the law
- A.
  
  Conservation of mass
- B.
  
  Mass action
- C.
  
  Multiple proportions
- D.
  
  Definite composition
24.

Which of the following statements is true according to modern atomic theory
- A.
  
  Atoms of the same element may have different masses
- B.
  
  Atoms may be divided in ordinary chemical reactions
- C.
  
  Atoms can never combine with any other atoms
- D.
  
  Cathode rays are composed of protons
25.

Experiments with cathode rays led to the discovery of the
- A.
  
  Proton
- B.
  
  Nucleus
- C.
  
  Neutron
- D.
  
  Electron