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What is the sign of enthalpy change for (a), an endothermic reaction? (b). an exothermic reaction?
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Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base
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Chemistry, 22.06.2019 17:40
If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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What is the sign of enthalpy change for (a), an endothermic reaction? (b). an exothermic reaction?...
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