Chemistry
SMA
化學半衰期 求解ಥ_ಥ
2. C 衰變為1級反應,其半生期為5700 年,今有一古物,其 C 的含量為現今樣品的60%,
即有60%的C 未衰變,推算此古物約距今
年。(log2=0.30,log3=0.48)
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