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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know
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Compare and contrast physical changes with chemical changes.
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In the following reaction, how many liters of oxygen will react with 124.5 liters of propane (c3h8),...
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