Chemistry, 27.07.2019 04:10 briiannamb
You are on an archeological dig with a research team from the local university. the team unearths some pieces of an ancient wooden boat. when a sample of the wood is analyzed for carbon-14, scientists determine that 12.5% (or1/8) of the original amount of c-14 remains. if the half-life of c-14 is 5,730 years, how old is the wood from the boat?
Answers: 1
Chemistry, 21.06.2019 17:10, shafferakr6
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
Answers: 3
Chemistry, 22.06.2019 09:00, SilverTheAmarok
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 2
Chemistry, 22.06.2019 09:00, stelllllllllllllllla
George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.
Answers: 1
You are on an archeological dig with a research team from the local university. the team unearths so...
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