Chemistry, 27.11.2019 09:31 FatCatcreator
Asample of oxygen gas is sealed in container x. a sample of hydrogen gas is sealed in container z. both samples have the same volume, temperature,
and pressure. which statement is true?
(1) container x contains more gas molecules than container z.
(2) container x contains fewer gas molecules than container z.
(3) containers x and z both contain the same number of gas molecules.
(4) containers x and z both contain the same mass of gas.
Answers: 2
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Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
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Asample of oxygen gas is sealed in container x. a sample of hydrogen gas is sealed in container z. b...
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