1. Have scientists been able to invent a perpetual motion machine?
O Yes
O No...
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Using the periodic table, complete the table to describe each atom. type in your answers
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What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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