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Chemistry, 22.06.2019 04:30, clairajogriggsk
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Chemistry, 22.06.2019 14:00, rosetoheart2
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Escriba una de las principales aplicaciones de los gases químicos que se generan en la industria...
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