10/14/25, 8:58
AM
ENVS 1126/ LSU/ EXAM 3 QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTION VERIFIED
What is really old- it's just heating water to rotate a turbine
fashioned about
nuclear power?
What is really cutting- It can provide power for extremely long periods
edge and innovative of time
about nuclear
power?
What is really scary There is a possibility of a meltdown that harms
about nuclear power humans and the environment.
The concentration of (1) 4%, (2) 85%
U-235 needed to
generate nuclear
power is
approximately (1)___,
but the concentration
of U-235
needed to generate
nuclear weapons is
approximately (2)___
What is the Carbon-12 has an atomic mass of 12;
difference between carbon-13 has an atomic mass of 13;
carbon-12, carbon-
1/
34
,10/14/25, 8:58
AM
13, and carbon-14? carbon-14 has an atomic mass of 14.
What is nuclear The splitting of an unstable atom into 2 or
fission? more stable atoms, often resulting in the
release of free neutrons.
Does changing the no
number of neutrons
change the number
of protons?
Does changing the no
number of neutrons
change the atomic
number?
Does changing the yes
number of neutrons
change the atomic
mass?
What is the 700,000,000 years
approximate half-life
of U-235
The atomic number oxygen has 8 protons in its nucleus
of oxygen is 8; this
means
2/
34
,10/14/25, 8:58
AM
Which statement is the energy from fission can not be
not true about nuclear harnessed by humans-- (not true bc
fission nuclear power is the harnessed power
of fission)
Chronic obstructive the respiratory passageways and alveoli of the
pulmonary disease lungs
(COPD) is the
fourth leading
cause of death in
the United States.
This disease
primarily affects
Atmospheric 400 ppm
scientists often
measure gases in
parts per million by
weight (ppm).
If CO2 is currently
0.04% of the
atmosphere, the level
expressed in ppm is
Which one of the gases released by a volcanic eruption
following generally
increases natural
sources of the
3/
34
, 10/14/25, 8:58
AM
pollution of the air?
How might the 2011 Organisms in the water could have
Fukushima have migrated and entered the food chain in
potentially impacted animals that migrate long distances
seafood in the United
States?
A nuclear power Harness the energy produced fission reactions.
plant
What is not a production of acidic particles
problem that must
be taken into
account when
operating a
nuclear power
plant?
What is nuclear fission The splitting of an unstable atom into 2 or
more stable atoms, often resulting in the
release of free neutrons
Air pollutants most circulatory and respiratory
often lead to human
health problems of
the
From the events Fukushima, Japan
discussed in class,
the most recent
4/
34
AM
ENVS 1126/ LSU/ EXAM 3 QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTION VERIFIED
What is really old- it's just heating water to rotate a turbine
fashioned about
nuclear power?
What is really cutting- It can provide power for extremely long periods
edge and innovative of time
about nuclear
power?
What is really scary There is a possibility of a meltdown that harms
about nuclear power humans and the environment.
The concentration of (1) 4%, (2) 85%
U-235 needed to
generate nuclear
power is
approximately (1)___,
but the concentration
of U-235
needed to generate
nuclear weapons is
approximately (2)___
What is the Carbon-12 has an atomic mass of 12;
difference between carbon-13 has an atomic mass of 13;
carbon-12, carbon-
1/
34
,10/14/25, 8:58
AM
13, and carbon-14? carbon-14 has an atomic mass of 14.
What is nuclear The splitting of an unstable atom into 2 or
fission? more stable atoms, often resulting in the
release of free neutrons.
Does changing the no
number of neutrons
change the number
of protons?
Does changing the no
number of neutrons
change the atomic
number?
Does changing the yes
number of neutrons
change the atomic
mass?
What is the 700,000,000 years
approximate half-life
of U-235
The atomic number oxygen has 8 protons in its nucleus
of oxygen is 8; this
means
2/
34
,10/14/25, 8:58
AM
Which statement is the energy from fission can not be
not true about nuclear harnessed by humans-- (not true bc
fission nuclear power is the harnessed power
of fission)
Chronic obstructive the respiratory passageways and alveoli of the
pulmonary disease lungs
(COPD) is the
fourth leading
cause of death in
the United States.
This disease
primarily affects
Atmospheric 400 ppm
scientists often
measure gases in
parts per million by
weight (ppm).
If CO2 is currently
0.04% of the
atmosphere, the level
expressed in ppm is
Which one of the gases released by a volcanic eruption
following generally
increases natural
sources of the
3/
34
, 10/14/25, 8:58
AM
pollution of the air?
How might the 2011 Organisms in the water could have
Fukushima have migrated and entered the food chain in
potentially impacted animals that migrate long distances
seafood in the United
States?
A nuclear power Harness the energy produced fission reactions.
plant
What is not a production of acidic particles
problem that must
be taken into
account when
operating a
nuclear power
plant?
What is nuclear fission The splitting of an unstable atom into 2 or
more stable atoms, often resulting in the
release of free neutrons
Air pollutants most circulatory and respiratory
often lead to human
health problems of
the
From the events Fukushima, Japan
discussed in class,
the most recent
4/
34
