Chemistry, 06.05.2020 04:16 only1cache
Helium Gas diffuses through a space 3 times faster than an unknown gas. Use the graham's law equation to estimate the molecular mass of the unknown gas.
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Chemistry, 21.06.2019 15:00
How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.
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Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Helium Gas diffuses through a space 3 times faster than an unknown gas. Use the graham's law equatio...
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