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Carbon-11 decays by positron emission: 11 11 0 c ----> B + e 6 5-(Answered)

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Question

Carbon-11 decays by positron emission:

11 ? ? ? ? ? ? ? ?11 ? ? ? ? ? ? 0

? ? ?c ? ----> ? ? ? ? ?B ?+ ? ? ? ? ? e

6 ? ? ? ? ? ? ? ? ?5 ? ? ? ? ? ? ? 1

?The decay occurs with a release of 2.87 x 1011 J per mole of carbon -11. ?When 4.00 g of carbon- 11 undergoes this radioactive decay, ________ g of mass is converted to energy.


I know the answer, but I have no idea how to do the problem. Could some show me the formula and step by step instructions to get the final answer?

 

Paper#9210298 | Written in 27-Jul-2016

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