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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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What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5
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How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6
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Convert a speed of 201 cm/s to units of inches per minute. also, show the unit analysis by dragging components into the unit‑factor slots.
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How many atoms of ^6li are there in 12.3 g of ^6li?...
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