CHEM 120 midterm Chamberlain
university Questions with complete
solution 2025
Scientific Method Steps - correct answer ✔Observations, Hypothesis,
Experiment, Data Collection (Results), Theory
independent variable - correct answer ✔The experimental factor that is
manipulated; the variable whose effect is being studied
dependent variable - correct answer ✔The outcome factor; the variable that
may change in response to manipulations of the independent variable.
quantitative properties - correct answer ✔mass, volume, density,
temperature
Qualitative properties - correct answer ✔color and odor
giga- - correct answer ✔10^9
mega- - correct answer ✔10^6
kilo- - correct answer ✔10^3
centi- - correct answer ✔10^-2
milli- - correct answer ✔10^-3
, micro- - correct answer ✔10^-6
nano- - correct answer ✔10^-9
pico- - correct answer ✔10^-12
dimensional analysis - correct answer ✔a mathematical technique that
allows you to use units to solve problems involving measurements
Law of Conservation of Mass - correct answer ✔Matter is not created nor
destroyed in any chemical or physical change
Boyle's law - correct answer ✔A principle that describes the relationship
between the pressure and volume of a gas at constant temperature
P1V1=P2V2
Charles' Law - correct answer ✔the law that states that for a fixed amount of
gas at a constant pressure, the volume of the gas increases as the
temperature of the gas increases and the volume of the gas decreases as the
temperature of the gas decreases
V1/T1=V2/T2
Combined Gas Law - correct answer ✔the relationship between the
pressure, volume, and temperature of a fixed amount of gas
university Questions with complete
solution 2025
Scientific Method Steps - correct answer ✔Observations, Hypothesis,
Experiment, Data Collection (Results), Theory
independent variable - correct answer ✔The experimental factor that is
manipulated; the variable whose effect is being studied
dependent variable - correct answer ✔The outcome factor; the variable that
may change in response to manipulations of the independent variable.
quantitative properties - correct answer ✔mass, volume, density,
temperature
Qualitative properties - correct answer ✔color and odor
giga- - correct answer ✔10^9
mega- - correct answer ✔10^6
kilo- - correct answer ✔10^3
centi- - correct answer ✔10^-2
milli- - correct answer ✔10^-3
, micro- - correct answer ✔10^-6
nano- - correct answer ✔10^-9
pico- - correct answer ✔10^-12
dimensional analysis - correct answer ✔a mathematical technique that
allows you to use units to solve problems involving measurements
Law of Conservation of Mass - correct answer ✔Matter is not created nor
destroyed in any chemical or physical change
Boyle's law - correct answer ✔A principle that describes the relationship
between the pressure and volume of a gas at constant temperature
P1V1=P2V2
Charles' Law - correct answer ✔the law that states that for a fixed amount of
gas at a constant pressure, the volume of the gas increases as the
temperature of the gas increases and the volume of the gas decreases as the
temperature of the gas decreases
V1/T1=V2/T2
Combined Gas Law - correct answer ✔the relationship between the
pressure, volume, and temperature of a fixed amount of gas
