Calcium-39 Undergoes Positron Decay

question 14

Multiple Choice

Calcium-39 undergoes positron decay. Each positron carries 5.49 MeV of energy. How much energy will be emitted when 0.0025 mol of calcium-39 decays?

• A)13.2 kJ
• B)1.32 × 10 ⁴ kJ
• C)1.32 × 10 ⁶ kJ
• D)1.32 × 10 ⁹ kJ
• E)None of these choices are correct.

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