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A2.0 l volume of hydrogen gas is combined with 1.0 l of oxygen gas to produce 2.0 l of water vapor. does oxygen undergo a chemical or physical change? explain
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Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium
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Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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Which diagram represents the phase tha occurs after a solid melts?
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Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration
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A2.0 l volume of hydrogen gas is combined with 1.0 l of oxygen gas to produce 2.0 l of water vapor....
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