Chemistry, 05.03.2021 20:20 hannahmorgret7811
T 1/2 of 85Kr is 10.75 years. If you start with 640 g of 85Kr, how much would you have left after 75.25 years?
Answers: 2
Chemistry, 22.06.2019 08:30
In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
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Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
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Of the following elements, which is the least reactive? a. c b. h c. li d. he
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T 1/2 of 85Kr is 10.75 years.
If you start with 640 g of 85Kr, how much would you have left after 7...
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