Chemistry, 14.10.2019 22:40 nataliecooper542
The mole fraction of carbon dioxide in a gas mixture is .200 there are also .251 g of nitrogen and .322 g of oxygen in this gas mixture what is the mass of arbon dioxide in this mixture
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Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
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The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
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Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils
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The mole fraction of carbon dioxide in a gas mixture is .200 there are also .251 g of nitrogen and ....
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