CHM151 Rio Salado Midterm ACTUAL UPDATED QUESTIONS AND CORRECT
ANSWERS
Chemistry is the study of? Matter
Is the statement "Falling barometric pressure preceded Law
the onset of bad weather." a hypothesis, theory, or a law?
, Is the statement "All life on Earth has evolved from a theory
common, primitive organism through the process of
natural selection." a hypothesis, theory, or a law?
Is the statement "My truck's gas mileage has dropped hypothesis
significantly, probably because it's due for a tune-up." a
hypothesis, theory, or a law?
The mass of a lead pipe is 14 lb. Is this observation in the Macroscopic domain
microscopic domain, macroscopic domain, or symbolistic
domain?
The mass of a certain chlorine atom is 35 amu. Is this Microscopic domain
observation in the microscopic domain, macroscopic
domain, or symbolic domain?
A bottle with a label that reads Al contains aluminum Symbolic domain
metal. Is this observation in the microscopic domain,
macroscopic domain, or symbolic domain?
According to one theory, the pressure of a gas increases Microscopic
as its volume decreases because the molecules in the gas
have to move a shorter distance to hit the walls of the
container. Does this theory follow a macroscopic or
microscopic description of chemical behavior?
Which of the following is a pure substance? Table salt, water, baking soda
Which of the following is a heterogeneous mixture? oil and vinegar, salad dressing
A 2.0-liter volume of hydrogen gas combined with 1.0 liter Chemical Change
of oxygen gas to produce 2.0 liters of water vapor. Does
oxygen undergo a chemical or physical change?
Which of the following is an example of a chemical Burning of magnesium
change?
ANSWERS
Chemistry is the study of? Matter
Is the statement "Falling barometric pressure preceded Law
the onset of bad weather." a hypothesis, theory, or a law?
, Is the statement "All life on Earth has evolved from a theory
common, primitive organism through the process of
natural selection." a hypothesis, theory, or a law?
Is the statement "My truck's gas mileage has dropped hypothesis
significantly, probably because it's due for a tune-up." a
hypothesis, theory, or a law?
The mass of a lead pipe is 14 lb. Is this observation in the Macroscopic domain
microscopic domain, macroscopic domain, or symbolistic
domain?
The mass of a certain chlorine atom is 35 amu. Is this Microscopic domain
observation in the microscopic domain, macroscopic
domain, or symbolic domain?
A bottle with a label that reads Al contains aluminum Symbolic domain
metal. Is this observation in the microscopic domain,
macroscopic domain, or symbolic domain?
According to one theory, the pressure of a gas increases Microscopic
as its volume decreases because the molecules in the gas
have to move a shorter distance to hit the walls of the
container. Does this theory follow a macroscopic or
microscopic description of chemical behavior?
Which of the following is a pure substance? Table salt, water, baking soda
Which of the following is a heterogeneous mixture? oil and vinegar, salad dressing
A 2.0-liter volume of hydrogen gas combined with 1.0 liter Chemical Change
of oxygen gas to produce 2.0 liters of water vapor. Does
oxygen undergo a chemical or physical change?
Which of the following is an example of a chemical Burning of magnesium
change?
