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Openers 5-19 to 5-23

Openers 5-19 to 5-23. Chemistry. Monday. If a sample of Iodine 131 has an activity of 36cpm at 20cm. What will be the activity at 60cm?. Tuesday. Fermium-253 has a half life of 3 days. How much of a 160g sample will be left after 3 weeks?. Wednesday.

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Openers 5-19 to 5-23

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  1. Openers 5-19 to 5-23 Chemistry

  2. Monday If a sample of Iodine 131 has an activity of 36cpm at 20cm. What will be the activity at 60cm?

  3. Tuesday Fermium-253 has a half life of 3 days. How much of a 160g sample will be left after 3 weeks?

  4. Wednesday Sodium 24 has a half live of 15 days. 2.5g is left of an 80g sample. How old is it?

  5. Thursday Carbon 14 has a half life of 5730yr. A bone sample has .0002g of 14C. If a new bone has .0016g of14C how old is it?

  6. Friday What type(s) of radiation shoot off particles?

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