When a Neutron Collides with a Uranium-235 Nucleus It Can $^{235}_{92}$

question 153

Multiple Choice

When a neutron collides with a uranium-235 nucleus it can induce a variety of fission reactions. One such reaction is $^{235}_{92}$ U + $^{1}_{0}$ n → $^{140}_{54}$ Xe + $^{94}_{38}$ Sr + 2 $^{1}_{0}$ n The following mass values are known: $^{140}_{54}$ Xe: 139.921620 u $^{94}_{38}$ Sr: 93.915367 u $^{235}_{92}$ U: 235.043924 u $^{1}_{0}$ n: 1.008665 u
How much energy is released in this reaction? (1 u = 931.5 MeV/c²)

• A) 185 MeV
• B) 202 MeV
• C) 32.6 MeV
• D) 65.7 MeV
• E) 98.6 MeV

---

Definitions:

Anxiety

A feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome.

Antipsychotic Drugs

Medications used to treat psychiatric conditions by altering brain chemistry to reduce psychotic symptoms such as hallucinations and delusions.

Tardive Dyskinesia

A neurological disorder characterized by involuntary, repetitive body movements, often resulting from long-term use of certain psychiatric drugs.

Weight Gain

An increase in body weight, which can result from an excess of calorie intake over calorie expenditure.