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Please see the attachment for the questions, which are chemistry questions related to finding a compound's half-life, balancing equations, etc. Please show the steps involved with solving these problems.

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Solution Summary

This solution explains the steps involved with solving chemistry problems related to finding a compound's half-life, balancing equations, etc.

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Please find answers to your questions attached. Please confirm if the isotope of Calcium in question 12 is Ca-45. If so, then the calculated value agrees with the literature value.

11. The equation for radioactive decay is NT = N0 × e−kt
Where NT is the Amount remaining after a time t (minutes) and k is the radioactive decay constant
Taking the logarithm of both sides with respect to e, you can rewrite the ...

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