Chemistry, 28.04.2021 22:00 2021andrewkell
7. A sample of salmon -colored powder contains 0.700 of chromium 0.650 g of sulfur , and 1.30 g oxygen. The molar mass is 392.2g / m * o * l . What is the molecular formula of this compound ?
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Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?
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If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied
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Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.
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7. A sample of salmon -colored powder contains 0.700 of chromium 0.650 g of sulfur , and 1.30 g oxyg...
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