Chemistry, 12.03.2021 14:00 danielboek
3 moli de magneziu reacţionează cu apa. Calculaţi volumul de hidrogen degajat. 5 moli de calciu reacţionează cu oxigenul. Calculaţi masa şi numărul de moli de oxid de calciu obţinut. Am nevoie de ele rapid
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16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
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Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors
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How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.
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3 moli de magneziu reacţionează cu apa. Calculaţi volumul de hidrogen degajat.
5 moli de calciu rea...
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