Consider the Nuclear Reaction the Known Atomic Masses Are ${ } _ { 2 } ^ { 4 } \mathrm { He } : \quad 4.002603 \mathrm { u }$

question 7

Multiple Choice

Consider the nuclear reaction ${ } _ { 1 } ^ { 3 } \mathrm { H } + { } _ { 1 } ^ { 3 } \mathrm { H } \rightarrow { } _ { 2 } ^ { 4 } \mathrm { He } + 2 { } _ { 0 } ^ { 1 } \mathrm { n }$ . The known atomic masses are
${ } _ { 2 } ^ { 4 } \mathrm { He } : \quad 4.002603 \mathrm { u }$
${ } _ { 1 } ^ { 3 } \mathrm { H } : \quad 3.016049 \mathrm { u }$
${ } _ { 0 } ^ { 1 } \mathrm { n } : \quad 1.008665 \mathrm { u }$
What is the energy released (positive) or absorbed (negative) in this nuclear reaction? $( 1 \mathrm { u } = 931.5$ $\mathrm { MeV } / \mathrm { c } ^ { 2 }$ )

• A) \(- 0.0122 \mathrm { MeV }\)
• B) \(11.3 \mathrm { MeV }\)
• C) \(- 11.3 \mathrm { MeV }\)
• D) \(0.0122 \mathrm { MeV }\)

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Definitions:

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A nominal or face value assigned to a share of stock or a bond by the issuing company, often unrelated to its market value.

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