1) △H = -134 kJ/mol This reaction is.... a) Endothermic b) Exothermic 2) Adding potassium to water is a(n) ________ reaction. a) Endothermic b) Exothermic 3) Bonds breaking is... a) Endothermic b) Exothermic 4) The units for heat energy change (Q) are... a) kJ/mol b) J/g/oC c) J d) mol 5) What will you observe during an endothermic reaction? a) A flame b) Temperature reading rises  c) Temperature reading lowers d) Steam

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