Chemistry, 05.11.2020 22:30 hockeystar0033
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Cobalt-60 has a half-life of 5.3 years. A sample measures 0.95g of cobalt-
60. If the sample originally had 5.2g of colbalt-60, determine its age in
years or the time elapsed in years. Round up answer in the nearest whole
number and no additional text or unit. *
Answers: 2
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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles
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Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
HELP ASA
Cobalt-60 has a half-life of 5.3 years. A sample measures 0.95g of cobalt-
60. If th...
60. If th...
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