1. The element Xe-137 undergoes beta-minus decay. Write the chemical equation for this radioactive decay. 2. The element 1-108 undergoes alpha decay. Write the chemical equation for this radioactive decay 3. The half-life of Cs-116 is 0.70s. How long would it take for 7.0 moles of this isotope to decay to just 2.0 moles?
1. The element Xe-137 undergoes beta-minus decay. Write the chemical equation for this radioactive decay. 2. The element 1-108 undergoes alpha decay. Write the chemical equation for this radioactive decay 3. The half-life of Cs-116 is 0.70s. How long would it take for 7.0 moles of this isotope to decay to just 2.0 moles?
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Transcribed Image Text:1. The element Xe-137 undergoes beta-minus decay. Write the chemical equation for this radioactive decay.
2. The element 1-108 undergoes alpha decay. Write the chemical equation for this radioactive decay
3. The half-life of Cs-116 is 0.70s. How long would it take for 7.0 moles of this isotope to decay to just 2.0 moles?
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for question three can you solve the question directly using the formula N=N0e-t/?
given that t1/2=?ln2=0.693? because I cant find it in the textbook of how you plugged in lambda
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