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Problem- Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows: Cu2S(s) + O2(g) ï?® 2Cu(s) + SO2(g) If 0.680 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced?
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If 4.168 kJ of heat is realsed be a reaction inside a calorimeter containing 75.40 g of water, the temperature of the water as well as the calorimeter increases from 24.58C
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