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Chapter 5: Q. 5.69 (page 165)

What is the difference between fission and fusion?(5.6)

Short Answer

Expert verified

The breaking of an atom's nucleus into two or more smaller nuclei, known as fission products, is known as nuclear fission. Heavy atom fission is an exothermic reaction that produces massive amounts of energy.

Step by step solution

01

Introduction of Fission

The breaking of an atom's nucleus into two or more smaller nuclei, known as fission products, is known as nuclear fission. Heavy atom fission is an exothermic reaction that produces massive amounts of energy.

02

Introduction of Fusion

Nuclear fusion occurs when two or more atomic nuclei fuse together to form a single heavier nucleus. Matter is not retained during this process because some of the mass of the fusing nuclei is converted to energy, which is then released. Fusion is the process through which vast amounts of energy are produced and active stars are powered.

03

The distinctions between fission and fusion are listed below.

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Most popular questions from this chapter

Write the balanced nuclear equation for each of the following:(5.1,5.2)

a. potassium-40 ( βdecay)

b. sulfur-35( βdecay)

c. platinum-190 (αdecay)

d. Ra-localid="1652432192204" 210( αdecay)

e. In-113m ( γemission)

If the amount of radioactive iodine-123, used to treat thyroid cancer, in a sample decreases from 0.4 my to0.1mg in 26.4h, what is the half-life of iodinc-123? (5.4)

Write the balanced nuclear equation for each of the following:(5.2)

a. Polonium-210decays to give lead-localid="1652508110334" 206

b. Bismuth-localid="1652508113360" 211emits an alpha particle.

c. A radioisotope emits a positron to form titanium-localid="1652508117019" 48.

d. An atom of germanium-localid="1652508119937" 69emits a positron.

Complete the following fission reaction.

n01+U92235→S50131n+?+2n01+Energy

Cesium-137, used in cancer treatment, has a half-life of 30yr.(5.2,5.4)

a. Write the balanced nuclear equation for the beta decay of cesium-137.

b. How many milligrams of a 16-mgsample of cesium-137remain after 90yr?

c. How many years are required for 28mgof cesium- 137to decay to 3.5mgof cesium- 137?
See all solutions

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