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Chemistry, 21.06.2019 15:30
Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl
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What is the relationship of air masses and the temperature of oceans?
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Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
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How many nucleons are in this isotope of calcium, ³⁶₂₀Ca?
A) 36 B) 20 C) 56 D) 16...
A) 36 B) 20 C) 56 D) 16...
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