A scientist compares two samples of colorless gas present at the beginning and end of a lab process. She wants to determine whether a chemical reaction has occurred. She tests whether each gas is flammable.

A scientist compares two samples of colorless gas present at the beginning and end of a lab process. She wants to determine whether a chemical reaction has occurred. She tests whether each gas is flammable. Neither has burns when lit. She then measures the amount of gas. Sample one has a volume on 53 cubic cm and a mass of 0.10g. Sample two has a volume of 39 cubic cm and a pass of 0.05g. What are the scientist's findings?

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A scientist compares two samples of colorless gas present at the beginning and end of a lab process. She wants to determine whether a chemical reaction has occurred. She tests w…

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