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A total of 25.6 kj of hear energy is added to a 5.18l sample of helium at .987atm The gas is allowed to expand against a fixed external pressure to a volume of 18.4l
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12.00 moles of naclo3 will produce how many grams of o2? a) 256 g of o2 b) 576 g of o2 c) 288 g of o2
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Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
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The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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If two identical atoms are bonded,what kind of molecule is formed
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A total of 25.6 kj of hear energy is added to a 5.18l sample of helium at .987atm The gas is allowed...
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