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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
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Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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Caracteristica de una magnitud derivada marcar con "x" el correcto Resulta de dividir entre magnitud...
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