Chemistry, 10.10.2019 21:30 taylor511176
Galena is the ore from which elemental lead is extracted. in the first step of the extraction process, galena is heated in air to form lead(ii) oxide. 2pbs(s) + 3o2(g) 2pbo(s) + 2so2(g) h = –827.4 kj what mass of galena is converted to lead oxide if 975 kj of heat are liberated
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The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong
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What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
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Galena is the ore from which elemental lead is extracted. in the first step of the extraction proces...
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