Chemistry, 06.08.2019 02:30 bgallman153p71edg
The half-life of cesium-137 is 30 years. suppose we have a 70-mg sample. (a) find the mass that remains after t years. y(t) = mg (b) how much of the sample remains after 110 years? (round your answer to two decimal places.) mg (c) after how long will only 1 mg remain? (round your answer to one decimal place.) t = yr
Answers: 3
Chemistry, 22.06.2019 07:00
How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:
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Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals
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The half-life of cesium-137 is 30 years. suppose we have a 70-mg sample. (a) find the mass that rema...
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