UKY CHEM 103 EXAM 1 QUESTIONS
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT !!!
Question: How does the sign of the exponent influence the value of a number in
scientific notation?
Answer: ✔️✔️ A positive exponent indicates a value greater than one (a large
number), whereas a negative exponent indicates a decimal value between zero
and one (a small number).
Question: What is the standard SI base unit used to measure physical distance
or length?
Answer: ✔️✔️ The fundamental unit for length is the meter (m).
Question: In the International System of Units, what is the base unit for
measuring mass?
Answer: ✔️✔️ The standard unit for mass is the kilogram (kg).
Question: Which unit is used as the absolute standard for measuring
temperature in scientific research?
Answer: ✔️✔️ The SI base unit for temperature is the Kelvin (K).
Question: What is the universally accepted SI base unit for the measurement of
time?
Answer: ✔️✔️ Time is measured using the second (s).
Question: Which unit is utilized to quantify the specific amount of a chemical
substance?
Answer: ✔️✔️ The standard unit for the amount of substance is the mole (mol).
,area -ANSWER ✔️✔️A
m^2
volume -ANSWER ✔️✔️V
m^3
density -ANSWER ✔️✔️D
kg/m^3
concentration -ANSWER ✔️✔️c
mol/L
speed(velocity) -ANSWER ✔️✔️v
m/s
acceleration -ANSWER ✔️✔️a
m/s^2
force -ANSWER ✔️✔️F
N(newton)
energy -ANSWER ✔️✔️E
J(joule)
tera -ANSWER ✔️✔️T
10^12
, giga -ANSWER ✔️✔️G
10^9
mega -ANSWER ✔️✔️M
10^6
kilo -ANSWER ✔️✔️k
10^3
deci -ANSWER ✔️✔️d
10^-1
centi -ANSWER ✔️✔️c
10^-2
milli -ANSWER ✔️✔️m
10^-3
micro -ANSWER ✔️✔️μ or mc
10^-6
nano -ANSWER ✔️✔️n
10^-9
1 pound = -ANSWER ✔️✔️453.6 grams
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT !!!
Question: How does the sign of the exponent influence the value of a number in
scientific notation?
Answer: ✔️✔️ A positive exponent indicates a value greater than one (a large
number), whereas a negative exponent indicates a decimal value between zero
and one (a small number).
Question: What is the standard SI base unit used to measure physical distance
or length?
Answer: ✔️✔️ The fundamental unit for length is the meter (m).
Question: In the International System of Units, what is the base unit for
measuring mass?
Answer: ✔️✔️ The standard unit for mass is the kilogram (kg).
Question: Which unit is used as the absolute standard for measuring
temperature in scientific research?
Answer: ✔️✔️ The SI base unit for temperature is the Kelvin (K).
Question: What is the universally accepted SI base unit for the measurement of
time?
Answer: ✔️✔️ Time is measured using the second (s).
Question: Which unit is utilized to quantify the specific amount of a chemical
substance?
Answer: ✔️✔️ The standard unit for the amount of substance is the mole (mol).
,area -ANSWER ✔️✔️A
m^2
volume -ANSWER ✔️✔️V
m^3
density -ANSWER ✔️✔️D
kg/m^3
concentration -ANSWER ✔️✔️c
mol/L
speed(velocity) -ANSWER ✔️✔️v
m/s
acceleration -ANSWER ✔️✔️a
m/s^2
force -ANSWER ✔️✔️F
N(newton)
energy -ANSWER ✔️✔️E
J(joule)
tera -ANSWER ✔️✔️T
10^12
, giga -ANSWER ✔️✔️G
10^9
mega -ANSWER ✔️✔️M
10^6
kilo -ANSWER ✔️✔️k
10^3
deci -ANSWER ✔️✔️d
10^-1
centi -ANSWER ✔️✔️c
10^-2
milli -ANSWER ✔️✔️m
10^-3
micro -ANSWER ✔️✔️μ or mc
10^-6
nano -ANSWER ✔️✔️n
10^-9
1 pound = -ANSWER ✔️✔️453.6 grams
