ΔH is _____ for an exothermic reaction.

ΔH is positive for what type of reactions?Question 1AnswerA.ExothermicB.OxidationC.DisplacementD.Endothermic

ΔH for the following reaction is -431 kJ. Is the reaction endothermic or exothermic? Ba(s) + 2 H2O(l) –> Ba(OH)2(aq) + H2(g) Group of answer choicesexothermicendothermic

ΔH for the following reaction is -180 kJ. Is this reaction endothermic or exothermic? 2 Na(s) + 2 H2O(l) –> 2 NaOH(aq) + H2(g) Group of answer choicesexothermicendothermic

If the heat of reaction, that is the enthalpy change ΔH, for a certain process, is +32 kJ, that process Question 3Select one:a.occurs rapidlyb.is exothermicc.is endothermicd.cannot occure.requires a catalyst

When enthalpy (ΔH) is positive, the reaction is… Group of answer choicesexothermicendothermic