2 moles of potassium metal reacts with liquid water to produce solid potassium hydroxide, hydrogen gas and 162.4 kJ/mol of heat energy.  a) Write the balanced thermochemistry equation for the reaction.  b) How much heat would be produced by the reaction of 14.0 grams of potassium with an excess of water?  c) Is this an exothermic or endothermic reaction?

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