Cameron is a doctor treating a cancer patient, billy is an archeologist dating a vase, and isabelle is a geologist dating a layer of soil. which isotopes would each person most likely use?
cameron would use carbon-14, billy would use cobalt-60 (which releases gamma rays), and isabelle would use uranium-238.
cameron would use cobalt-60 (which releases gamma rays), billy would use carbon-14, and isabelle would use uranium-238.
cameron would use uranium-238, billy would use carbon-14, and isabelle would use cobalt-60 (which releases gamma rays).
cameron would use cobalt-60 (which releases gamma rays), billy would use uranium-238, and isabelle would use carbon-14.
Answers: 1
Chemistry, 22.06.2019 12:20
Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?
Answers: 3
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
Chemistry, 22.06.2019 14:20
Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments
Answers: 1
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