AnswersSLPS-2001310-EarthSpace B -GFClassification of Living Things

Fission and Fusion Answers

1 verified answers1 views
1
Free Preview

Trudy writes an expression to calculate the mass defect of a carbon-14 nucleus using the symbols in the table.

Question illustration
A
(6mp + 8mn) – mc – 14
B
(8mp + 6mn) – mc – 14
C
mp + mn – mc – 14
D
6mp + 8me – mc – 14
2
Free Preview

The starting materials in a nuclear change have a total mass of 2.3465 × 10–27 kg. After the change, the resulting materials have a mass of 2.3148 × 10–27 kg.How much energy was released during the change?

A
2.85 × 10–12 J
B
2.08 × 10–10 J
C
2.11 × 10–10 J
D
8.56 × 10–4 J
3

What are the starting materials for nuclear fission?

A
two small nuclei
B
two large nuclei
C
a neutron and a large nucleus
D
a neutron and a small nucleus
4

How are nuclear reactions used to meet the world’s energy needs?

A
Both fusion and fission are used to generate electricity, but more fission reactors than fusion reactors are in use.
B
Fission reactors are used to generate electricity, but fusion is not yet practical enough to be used.
C
Both fusion and fission are used to generate electricity, but more fusion reactors than fission reactors are in use.
D
Fusion reactors are used to generate electricity, but fission is not yet practical enough to be used.
5

Which statement describes why energy is released in a nuclear fusion reaction based on mass-energy equivalence?

A
For large nuclei, the mass of the original nucleus is greater than the mass of the products.
B
For large nuclei, the mass of the original nucleus is less than the mass of the products.
C
For small nuclei, the binding energy of the lighter nuclei is greater than the binding energy of the heavier nucleus.
D
For small nuclei, the binding energy of the lighter nuclei is less than the binding energy of the heavier nucleus.
6

Which are advantages of using nuclear reactors to generate electricity? Select 3 options.Nuclear power produces no hazardous byproducts.Nuclear power has a high output.Nuclear power uses nonharmful fuel.Nuclear power is readily available.Nuclear power produces relatively low carbon dioxide emissions.

A
Nuclear power produces no hazardous byproducts.
B
Nuclear power has a high output.
C
Nuclear power uses nonharmful fuel.
D
Nuclear power is readily available.
E
Nuclear power produces relatively low carbon dioxide emissions.
7

The nuclear equation is incomplete.

Question illustration
A
Superscript 138 Subscript 54 Baseline X e
Option A
B
Superscript 139 Subscript 54 Baseline X e
Option B
C
Superscript 119 Subscript 54 Baseline X e
Option C
D
Superscript 138 Subscript 52 Baseline T e
Option D
8

The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy, is nuclear ______

A
Fusion
B
Fission
C
Radiation
D
Energy
9

The diagram shows a model of a nuclear change.

Question illustration
A
nuclear fission, because nuclei combine
B
nuclear fission, because a nucleus breaks apart
C
nuclear fusion, because nuclei combine
D
nuclear fusion, because a nucleus breaks apart
10

Which would most likely cause a decrease in the rate of energy production in a fusion nuclear reactor?

A
a drop in the temperature in the reactor
B
an increase in the number of neutrons in the reactor
C
an increase in the amount of nuclear fuel used in the reactor
D
a drop in the number of reactions that involve the splitting of nuclei

Did you find these answers helpful?

More from this Course

Quiz
2 verified answers

Fundamental Forces

Quiz
1 verified answers

Orbital Motion

Quiz
1 verified answers

Classification of Living Things