Chemistry, 11.03.2021 07:10 ambercuevas2707
A Helium filled balloon has a volume of 5.0 L at 20°C. The volume of the balloon decreases to 4.0 L after it is placed outside on a cold day. What is the new Temperature of the gas in the balloon?
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The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
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The identities of substances are the same before and after which type of change
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Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
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A Helium filled balloon has a volume of 5.0 L at 20°C. The volume of the balloon decreases to 4.0 L...
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