Calorimetry exercise 1 A current of 1.20 A was passed through the heating coil of a calorimeter for 20.5 seconds at a potential difference of 12.32 V. The temperature increased from 22.340 to 22.739 degrees Celsius. C = 12, O = 16, H =1 0.02134 grams of ethene was burnt in a calorimeter. The temperature rose from 21.54 to 22.96 degrees Celsius. a) Is this an exothermic or endothermic reaction? Explain. b) Write the equation for the reaction. c) Calculate the enthalpy change of the equation in b).     Solution Continue
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