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radium-226 has a half-life of 1600 years. how much of a 15.25 gram sample would remain after 3200 years.
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What is the reduction potential of a hydrogen electrode that is still at standard pressure, but has ph = 5.65 , relative to the she?
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Which of the following is a property of an acid solution? a. slippery to the touch b. ph less than 7 c. turns red litmus paper blue d. bitter taste
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radium-226 has a half-life of 1600 years. how much of a 15.25 gram sample would remain after 3200 ye...
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