You can model radioactive decay and half-lives by using candy with writing on one side, such as M&M’s® or Skittles®. In a hypothetical scenario, the half-life of the candy is five minutes, and you start with 100 individual candies. Explain how you would model two half-lives with these 100 candies. How much time would have gone by after two half-lives? How many parent candies are left after two half-lives? How many daughter candies are now available?

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explanation:

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c

explanation:

a. the law of proportion states the combination of 2 atoms in a specific ratio to produce multiple compounds such as the given statement of question ‘1st compound contains 88.8 % cu ’ indicates 88.8 g of cu is present along with 11.2 g oxygen in 100 g of compound whereas the statement ‘2st compound contains 79.9 % cu ’ indicates 79.9 g of cu is present along with 20.1 g oxygen in 100 g of compound

1st compound contains 88.8 g cu

for cu

m = 63 g /mol

atomic % = 88.8 /63 = 1.42

for o

m = 16 g /mol

atomic % = 11.2 /16 = 0.7

b. the emperical formula of 1st compound is

cu1.4o0.7

cu2o