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During the approach of a severe thunderstorm, workers on a project see lightning and
then hear the resulting thunder 25 s later. Approximately how far away, in miles, is the
storm?
A) 5 mi
B) 10 mi
C) 6 mi
D) 7 mi
Complete and balance the following equations:
a. HNO3+ Ba(OH)2
b. H3PO4+ CaCO3
Which of the following is a unit of power?
A) kilowatt-hour
B) newton
C) joules per second
D) foot-pound
E) none of these
Starting with a sample of pure parent radionuclide, what would be the ratio of the
parent radionuclide to its daughter after two half-lives have elapsed?
A) 1 to 1
B) 1 to 2
C) 1 to 3
D) 1 to 4
The percentage by mass of carbon in methane, CH4, is about
A) 25%.
B) 75%.
C) 80%.
D) 20%.
Which laboratory observation would most support the kinetic theory's assumption that
molecules in a gas are widely separated?
A) A gas exerts the same pressure on each part of a container's wall.
B) A gas is highly compressible.
C) A gas with a lower formula mass diffuses more rapidly than one with a higher
formula mass.
D) A gas expands when the pressure on it is released.
Which scientist first postulated the existence of ions?
A) Lewis
B) Dalton
C) Arrhenius
D) Berzelius
Dispersing light that has traveled from a hot wire through a cool gas gives what type of
spectrum?
A) Line absorption
B) Continuous
C) Line emission
D) Ultraviolet
Which of the following would be the leastconductive?
A) Copper
B) Salt water
C) Glass
D) Mercury
What type of forces result in normal faulting?
A) Shear
B) Compressional
C) Expansive
D) Parallel
Which of the following is Jupiter's largest moon?
A) Io
B) Euorpa
C) Ganymede
D) Callisto
Which type of reaction is Zn + 2HCl ZnCl2+ H2?
A) Decomposition
B) Combination
C) Double-replacement
D) Single-replacement
The standard unit of time is the
A) hour.
B) day.
C) second.
D) minute.
The Petrified National Forest is found in the state of
A) Nevada
B) New Mexico
C) Arizona
D) Utah
The quantity mvr is an object's
A) inertia.
B) torque.
C) linear momentum.
D) angular momentum.
The zeroth latitude is at
A) 90N.
B) 90S.
C) the equator.
D) the Greenwich Meridian.
Stars of what magnitude are just barely visible to the unaided eye?
A) 4
B) 6
C) 2
D) 0
Which of these colors of light has photons of greatest energy?
A) Violet
B) Red
C) Blue
D) Yellow
Which of the following represents the longest distance?
A) One parsec
B) One astronomical unit
C) One light-year
D) One right ascension
Aristotle's "continuous" model of matter was proved wrong about 1807 by
A) Bohr.
B) Thomson.
C) Dalton.
D) Rutherford.
When the dew point is below 0C, which of the following is likely to form?
A) Sleet
B) Snow
C) Hail
D) Dew
Which of the following compounds would notprecipitate from an aqueous solution
during a double-replacement reaction?
A) Cu(NO3)2
B) CuCO3
C) AgCl
D) AlPO4
For the Doppler effect to occur, there must be
A) a moving source.
B) a moving observer.
C) relative motion between a source and an observer.
D) no motion.
The celestial equator is
A) a great circle.
B) coplanar with the terrestrial equator.
C) perpendicular to lines of right ascension.
D) all of the above.
A freely falling object has a constant acceleration of 9.8 m/s2. This means that
A) the object's displacement changes by 9.8 m every second squared.
B) the object's speed increases by 9.8 m/s each second.
C) the object's acceleration increases by 9.8 m/s2each second.
D) the object travels 9.8 m each second.
When an unstable Cesium nucleus undergoes gamma decay, the nucleus formed is that
of
A) Cesium.
B) Lanthanum.
C) Xenon.
D) Iodine.
E) Barium.
A flashlight beam is seen because of
A) specular reflection.
B) diffuse reflection.
C) dispersion.
D) refraction.
Socrates died from ingesting the alkaloid named
A) nicotine.
B) caffeine.
C) quinine.
D) coniine.
We get sucrose and water if we chemically combine
A) fructose and maltose.
B) glucose and fructose.
C) maltose and lactose.
D) glucose and lactose.
What is the hardness of fluorite on the Mohs scale?
A) 1
B) 4
C) 7
D) 10
Which of the following is a weak acid?
A) Hydrochloric acid
B) Nitric acid
C) Sulfuric acid
D) Acetic acid
What scientist discovered more elements than any other person?
A) Lavoisier
B) Boyle
C) Berzelius
D) Davy
In a supersaturated solution,
A) the solvent has become the solute.
B) the normal solubility is exceeded.
C) more solute than solvent is present.
D) the dissolved and undissolved solute are in equilibrium.
During the 7-3/8 days between the new and first-quarter phases, the Moon is called a(n)
______________ moon.
Determine the maximum altitude of the Sun on December 22 for an observer located at
30N.
Because Jupiter's four large moons were discovered by Galileo, they are called
______________ moons.
When an electron changes from n= 3 to n= 2, a(n) ______________ is given off.
To increase the force of gravity between two masses by a factor of 9, how would the
objects have to be moved?
The Great Red Spot is a feature of ______________.
A color-coded ______________ Index is used to indicate how good or bad the air is, in
terms of pollution.
The natural tendency of an object to remain at rest or in uniform straight-line motion is
called _____________.
The ______________ of a surface position on Earth can be defined as the angular
measurement, in degrees, north or south of the equator.
A student weighing 700 N climbs a flight of stairs 5.0 m high in 10 s. What power was
required?
An automobile with a mass of 2000 kg is moving north on a level, straight highway
with a constant velocity of 80 km/h. What is the unbalanced force acting on the
automobile?
Arrange the atoms calcium, barium, chlorine, and bromine in order of increasing
atomic radius.
The unsaturated zone of soil or rock above the water table is called the zone of
______________.
______________ are substances that cannot be decomposed by chemical processes.
In straight-line motion, if a moving object speeds up, the direction of the acceleration is
______________ the direction of the velocity.
Light in a vacuum has a speed of ______________ m/s.
The Sun remains stable because the inward pull of _____________ balances the
outward push from nuclear fusion.
Distance is a(n) ______________ quantity.
