Chemistry, 23.09.2019 09:50 gizmo50245
Radiometric dating is the workhorse of absolute dating. if you had a sample with a radioactive component with a half-life of 5000 years and an initial concentration of one part per million, how much would be present after 5000 years? after 10,000 years? after 50,000 years? when does the radioactive material completely disappear?
Answers: 1
Chemistry, 21.06.2019 22:30
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
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Chemistry, 22.06.2019 07:30
In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?
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Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
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Chemistry, 23.06.2019 01:30
Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2
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Radiometric dating is the workhorse of absolute dating. if you had a sample with a radioactive compo...
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