Chemistry, 12.02.2020 20:06 rebecabosca
Gold is isolated from rocks by reaction with aqueous cyanide, CN:4 Au(s)+8 NaCN(aq)+O 2 (g)+H 2 O(l) longrightarrow 4 Na[Au(CN) 2 ](aq)+4 NaOH(aq) . (a) Which atoms from which compounds are being oxidized, and which at oms from which compounds are being reduced?
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The term gas is limited to those substances that exist in the gaseous state at
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1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.
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Gold is isolated from rocks by reaction with aqueous cyanide, CN:4 Au(s)+8 NaCN(aq)+O 2 (g)+H 2 O(l)...
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