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anonymous

  • one year ago

Before a nuclear reaction, there is 0.01000 kg of uranium. After the nuclear reaction, there is 0.00950 kg of uranium. How much energy was released? (h = 6.63 × 10^-34 J * s) A. 9.00 * 10^16 J B. 4.50 * 10^13 J C. 1.50 * 10^5 J D. 5.00 * 10^-4 J

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  1. Michele_Laino
    • one year ago
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    please wait a moment

  2. anonymous
    • one year ago
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    ok!

  3. Michele_Laino
    • one year ago
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    here we have to apply the Einstein's formula: \[E = {c^2}\Delta m = 9 \times {10^{16}} \times \left( {0.01 - 0.0095} \right) = ...Joules\]

  4. anonymous
    • one year ago
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    ok! so we get 4.5E13! so our solution is choice B?

  5. Michele_Laino
    • one year ago
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    that's right!

  6. anonymous
    • one year ago
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    yay! thanks! onto the next:)

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