CAS PY 50207

subject Type Homework Help
subject Pages 12
subject Words 1348
subject Authors Charles A. Higgins, James Shipman, Jerry D. Wilson

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page-pf1
Which of the following radiations has the smallest wavelength?
A) Infrared
B) Visible
C) Ultraviolet
D) X-rays
When the equation NH4NO3N2O + H2O is balanced, the total of all the
coefficients (both written and "understood") is
A) 3.
B) 4.
C) 7.
D) 8.
Which type of hydrogen is referred to as "heavy hydrogen"?
A) Tritium
B) Hydronium
C) Protium
D) Deuterium
page-pf2
About 75% of the mass of the visible universe is composed of which element?
A) Helium
B) Iron
C) Hydrogen
D) Silicon
Which of the following radiations has the smallest frequency?
A) Infrared
B) Visible
C) Ultraviolet
D) X-rays
page-pf3
The meter was defined originally as
A) one ten-millionth of the diameter of Earth.
B) one ten-millionth of the distance from the equator to the North Pole.
C) the wavelength of a line in the spectrum of krypton-86.
D) the length of a platinum-iridium bar.
Which is not a general classification of mountains?
A) Fault-block
B) Fold
C) Continental
D) Volcanic
The actual amount of time it takes for Earth to rotate 360 on its axis is called a
A) meridian day.
B) 24-hour day.
C) sidereal day.
D) mean solar day.
E) solar day.
page-pf4
S seismic waves can travel only through ______________.
A) solid material
B) liquid
C) gas
D) plasma
The Cenozoic is a(n)
A) epoch.
B) era.
C) eon.
D) period.
page-pf5
The unit of resistance is called a(n)
A) volt.
B) ampere.
C) coulomb.
D) ohm.
E) watt.
It is nottrue that right ascension is
A) measured in units of hours, minutes, and seconds.
B) an angular measurement.
C) a coordinate for measuring celestial longitude.
D) how high a star is above the celestial equator.
Which of the following is not a volcano or the result thereof?
A) A batholith
B) A mountain peak that spews lava
C) A cinder cone
D) A caldera
page-pf6
Which of the following planets can be in opposition?
A) Mercury
B) Venus
C) Earth
D) Saturn
Two atoms of hydrogen bond with an atom of oxygen to form a water molecule. This
bonding is
A) covalent only.
B) polar only.
C) both covalent and polar.
D) none of these.
page-pf7
Parallels of latitude are parallel to the
A) longitude.
B) International Date Line.
C) equator.
D) meridian.
The relative humidity (for a given volume of air), expressed as a decimal fraction, is
A) the actual water vapor content divided by the maximum water vapor content.
B) the maximum water vapor content divided by the actual water vapor content.
C) the air temperature divided by the dew point temperature.
D) the dew point temperature divided by the air temperature.
Most stable types of nuclei have an ______________ number of protons and an
______________ number of neutrons.
A) even; odd
B) odd; odd
C) odd; even
D) even; even
page-pf8
The planet with the largest volcano in the solar system is
A) Earth.
B) Mars.
C) Venus.
D) Mercury.
The maximum east or west longitude possible is also called the
A) meridian.
B) longitude.
C) International Date Line.
D) equator.
Two or more forms of the same element that have different bonding structures in the
same physical phase are called
A) isobars.
page-pf9
B) allotropes.
C) isotopes.
D) isomers.
Which of the following is not an igneous rock?
A) Andesite
B) Granite
C) Gneiss
D) Basalt
The inventor of the mercury barometer was
A) Newton.
B) Galileo.
C) Bergeron.
D) Torricelli.
page-pfa
What type of nebula is the Horsehead?
A) Primitive
B) Bright emission
C) Bright reflection
D) Dark
If a sound level increases by 20 dB, the intensity increases by a factor of
______________.
A) one thousand
B) one hundred
C) ten
D) ten thousand
page-pfb
As the speed of an object decreases, its wavelength
A) remains unchanged.
B) decreases.
C) increases.
D) is zero.
Breeder reactors
A) produce plutonium from 238U.
B) use 238U as a fuel.
C) produce 235U from 238U.
D) produce 238U from 235U.
Which acid is present in vinegar?
A) HCl
B) H3PO4
C) H2SO4
D) HC2H3O2
page-pfc
An example of a diatomic molecule of an element is
A) He
B) N2
C) P4
D) CO
What is the symbol for the element whose atoms have 17 protons each?
A) Pr
B) Cl
C) Es
D) Sg
E) Au
Molten rock material on Earth's surface is known as ______________.
page-pfd
The time it takes for one-half of a sample of a radionuclide to decay is called its
______________.
The formula mass of acetic acid, HC2H3O2, is ______________ u.
______________ acceleration is necessary for uniform circular motion.
page-pfe
Laccoliths and sills are examples of ______________ plutons.
A(n) ______________ is any circle on the surface of a sphere whose center is at the
center of the sphere.
The percentage volume of unoccupied space in a material is called the material's
______________.
Water has unusual physical properties, as compared with H2S, H2Se, and H2Te, because
of ______________ bonding.
page-pff
On the Moon, what is the approximate value for the acceleration due to gravity?
The creation of elements inside a star is called _______________.
A point in the universe where the density of matter and the gravitational field are
theoretically infinite is called a(n) _______________.
page-pf10
The slow, 25,800-year rotation of Earth's axis is called ______________.
A 5.0-kg object is lifted 1.1 m from the floor to a table. What is the object's
gravitational potential energy relative to the floor?
Mountains characterized by folded rock strata are known as ______________
mountains.
It is 12:00 noon local solar time at 75W. The date is March 21. At what longitude would
an observer be able to see the last-quarter moon rising?
page-pf11
The movement of Earth's water supply from the oceans to the atmosphere and back
again is called the ______________.
Over 99.9% of dry air at sea level is composed of the gases N2, O2, and
______________.
The stars of highest photospheric temperature are those of spectral class
_______________.
page-pf12
When it is 12 noon, May 6, in Perth, Australia (33S, 116E), what are the standard time
and date in Ottawa, Canada (44N, 76W)?
Our home galaxy is called the _______________.

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