PHYSICS 33133

subject Type Homework Help
subject Pages 12
subject Words 1365
subject Authors Charles A. Higgins, James Shipman, Jerry D. Wilson

Unlock document.

This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
page-pf1
A mass is accelerated when ______________ acts upon the mass.
A) a balanced force
B) any force
C) no force
D) an unbalanced force
E) none of these
An object that is moving with an acceleration different from zero will always have a(n)
______________ velocity.
A) changing
B) increasing
C) constant
D) decreasing
A sample of matter that contains atoms that all have the same number of protons is
A) an element.
B) a substance.
C) a compound.
page-pf2
D) a homogeneous mixture.
Niels Bohr focused his attention on the element hydrogen because it
A) could be obtained in extremely high purity.
B) was so abundant.
C) had the simplest atom.
D) was inexpensive.
When a hydrogen electron is in its ground state, its principal quantum number is
A) zero.
B) "13.6 eV.
C) 1.
D) +13.6 eV.
E) none of these.
page-pf3
The electrical power dissipated in an appliance depends on
A) voltage.
B) current.
C) resistance.
D) all of these.
Los Angeles, California, is in the ______________ Standard Time zone.
A) Mountain
B) Pacific
C) Central
D) Eastern
A product of incomplete combustion that is a major air pollutant is
A) H2O.
B) O2.
C) NOx.
D) CO.
page-pf4
How much energy must be absorbed to ionize a hydrogen atom whose electron is in the
ground state (n= 1)?
A) Zero
B) 1 eV
C) 0.053 eV
D) 13.6 eV
A Doppler red shift indicates
A) a shift toward lower frequencies.
B) a shift toward longer wavelengths.
C) that a light source is receding relative to the observer.
D) all of these.
A compound consists of only magnesium, carbon, and oxygen. If the percentage by
page-pf5
mass of Mg is 28.8% and that of C is 14.2%, what is the percentage by mass of O?
A) 16.0%
B) 57.0%
C) 43.0%
D) 22.5%
E) None of the above
The sedimentary rock known as ______________ consists of deposits of calcium
carbonate (calcite).
A) coal
B) sandstone
C) limestone
D) lodestone
Which of the five major divisions of chemistry is generally considered the most
fundamental?
A) Organic chemistry
page-pf6
B) Inorganic chemistry
C) Analytical chemistry
D) Physical chemistry
E) Biochemistry
In the HCl molecule, the bonding electrons spend
A) equal time around both atoms.
B) all their time around only one of the atoms.
C) more time around the H atom.
D) more time around the Cl atom.
Which of these colors of light has photons of lowestenergy?
A) Yellow
B) Green
C) Blue
D) Violet
page-pf7
The most important climatic factors that affect the rate of chemical weathering are heat
and
A) moisture.
B) wind.
C) clouds.
D) none of these.
Which of the following would be different for a person on the Moon rather than on
Earth?
A) Weight
B) Height
C) Volume
D) Mass
page-pf8
Which of the following planets cannotbe in opposition?
A) Mercury
B) Jupiter
C) Saturn
D) Mars
The analytical procedure that bombards a sample with neutrons and measures the
frequency of gamma rays emitted is called
A) the alpha scattering technique.
B) carbon dating.
C) neutron activation analysis.
D) Geiger counting.
An earthquake of what magnitude on the Richter scale is the smallest felt by humans?
A) 1
B) 2
C) 0
D) 4
page-pf9
Hydrocarbons containing carbon-carbon triple bonds are
A) alkenes.
B) cycloalkanes.
C) alkynes.
D) alkanes.
E) ketones.
The heliocentric model of the solar system was developed by
A) Brahe.
B) Kepler.
C) Copernicus.
D) Newton.
page-pfa
If the energy of n= 3 is "1.51 eV and that of n= 4 is "0.85 eV in a hydrogen atom, a
transition from n= 3 to n= 4 will _______________ a photon with an energy of
approximately ______________.
A) emit; 2.36 eV
B) absorb; 0.661 eV
C) emit; 0.661 eV
D) absorb; 2.36 eV
The photoreceptors responsible for color vision are called
A) rods.
B) cylinders.
C) cones.
D) cans.
When a carboxylic acid reacts with an amine, the products are water and a(n)
A) aldehyde.
B) ester.
C) amide.
D) salt.
E) ketone.
page-pfb
On December 21, the noonday Sun is overhead at what latitude?
A) 0
B) 23.5N
C) 23.5S
D) That of the Tropic of Cancer
Rills on the Moon are believed to have been caused by
A) moonquakes.
B) meteorite impacts.
C) volcanoes.
D) expansion and contraction of the Moon's surface.
For total internal reflection, light is ______________ and none is ______________.
A) refracted; reflected
page-pfc
B) refracted; transmitted
C) reflected; transmitted
D) transmitted; reflected
Small glaciers that form along mountains in hollow depressions that are protected from
the Sun are called
A) cirque glaciers.
B) moraines glaciers.
C) permanent glaciers.
D) none of these.
Use the periodic table to find the atomic number, number of protons, number of
electrons, and number of valence electrons for each of the following elements.
a. barium
b. tin
c. phosphorus
page-pfd
For normal household temperatures, a comfortable relative humidity is
A) 100%
B) 0%
C) 25%
D) 50%
If two atoms have five electrons in the valence shell and are covalently bound, the
molecule has a ______________ bond.
A) quadruple
B) double
C) triple
D) single
page-pfe
If the magnitude difference between one star and another is 8, the stars differ in
brightness by a factor of
A) 2.51.
B) 20.
C) 7.
D) 1580.
The general formula R-NH2is that of
A) an amine.
B) an alkyl halide.
C) an alcohol.
D) none of these
The percentage of a radionuclide that would remain after 4 half-lives is
______________.
page-pff
The British system is a(n) _____________ , or base-12 system.
One plate pulls away from another and new ocean rock is formed at the type of plate
boundary called ______________.
T2= kR3is known as ______________.
page-pf10
A high tide is occurring at Charleston, South Carolina (80W, 33N). At approximately
what other longitude is a high tide occurring?
When light strikes a transparent medium, some light is reflected and some is
____________.
The Wasatch Mountains in Utah are examples of ______________ mountains.
The SI unit of heat is the ______________.
page-pf11
The rate of temperature decrease with altitude is called the ______________.
Balance the chemical equation: NO2+ H2O HNO3+ NO
Energy resulting from motion is called ______________.
page-pf12
Other than Earth, the only known object in the solar system to have surface water and
ice is ______________.
Familiar groups of stars that are part of a constellation or parts of different
constellations are called _______________.
In large molecules, the fundamental repeating units are called ______________.

Trusted by Thousands of
Students

Here are what students say about us.

Copyright ©2022 All rights reserved. | CoursePaper is not sponsored or endorsed by any college or university.