Chemistry, 20.10.2020 22:01 rainbowmc6
(AKS 4d) When given 5 g of a mysterious white powder to identify, two
students discuss how to plan an experiment to determine the identity of
the unknown powder. They know it is one of the six substances. Which of
the following is a logical first step in an experiment that could be used to
determine the identity of the mystery powder? (DOK 2)
Pick one physical property and test it on the mysterious powder first
before doing anymore planning.
Use the 5 g of white powder to determine if it is flammable or not
before doing anymore planning.
Determine physical and chemical tests for the six known substances
and then compare the mystery powder's properties to these.
Answers: 1
Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
Chemistry, 23.06.2019 00:30
Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea
Answers: 1
(AKS 4d) When given 5 g of a mysterious white powder to identify, two
students discuss how to plan...
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