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A balloon is filled with 8.964 liters of He at STP. How many moles of helium gas are in the balloon?
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Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves
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What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
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A balloon is filled with 8.964 liters of He at STP. How many moles of helium gas are in the balloon?...
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