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Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211
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Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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How much barium chloride is needed to prepare 250 cm cube of 0.500 M bacl2 solution...
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