(Answered) 1 an isotope of the element thallium tl-206 undergoes beta

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1. An isotope of the element Thallium, TL-206 undergoes beta decay with a half-life of 3.1 minutes. Assume you begin with 80.00 grams of the thallium isotope, what mass of the isotope will be left after 9.3 minutes have elapsed?

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2. Assume that the 17.0 volt energy source is in a circuit that has a resistance of 6.00 ohms, determine the power consumption in watts

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