The half-life of u238 is 45x109 years how many
The half-life of U238 is 4.5X10^9 years. How many disintegrations occur in 1 minute for a 10 mg sample of this element
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the half-life of u238 is 45x109 years how many disintegrations occur in 1 minute for a 10 mg sample of this
pure water containing no arsenic was spiked with 40micrograms arsenatel seven replicate determination gave 39 40 39 41
what volume of glacial acetic acid d 106 gml and what weight of solid potassium acetate are required to prepare 5
consider an electron for a hydrogen atom in an excited state the maximum wavelength of electromagnetic radiation that
you are given 500ml of a solution at ph 70 containing an unknown concentration of atp for which e- the molar
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