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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.
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Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5
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Where is aggregate generally found?...
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