Chemistry, 14.07.2020 01:01 elarracadas22
Stalactites and stalagmites in most caves are made of limestone (calcium carbonate). The presence of calcium sulfate is explained by the following sequence of reactions. a) H2S (aq) + 2 O2 (g) β H2SO4(aq) b) H2SO4 (aq) + CaCO3(s) β CaSO4 (s) + H2O (L) +CO2 (g) Which (if either) of these reactions is a reduction oxidation reaction? Identify the substance oxidized and substance reduced, and the oxidizing agent and the reducing agent.
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Which of the following electromagnetic waves can create ions?
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Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
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Stalactites and stalagmites in most caves are made of limestone (calcium carbonate). The presence of...
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