Exothermic Reaction Lab Report
EXPERIMENT # 14: Exothermic and endothermic reactions
Date: 25/06/2012 Name: Meagen Reyes Year 11 PARTS A, B and C * For the procedures and equipment needed in these experiments, refer to page 73-74 in the STAWA Exploring chemistry stage 2 book
Part A: solution process (dissociation) Solutions and their chemical equations | Initial temperature (in Celsius) | Final temperature (in Celsius) | Classification(exothermic or endothermic) | Sodium hydroxide NaOH(s) Na+(aq) + OH-(aq) + Energy | 15°C | 35°C | exothermic | Ammonium ChlorideNH4Cl(s) + Energy NH4+(aq) + Cl-(aq) + H2O(l) | 15°C | 10°C | endothermic | Sodium AcetateC2H3O2-(aq) + Energy HC2H3O2(aq) + OH-(aq) | 15°C | 11°C | endothermic | Sodium ChlorideNaCl(s) + Energy
Date: 25/06/2012 Name: Meagen Reyes Year 11 PARTS A, B and C * For the procedures and equipment needed in these experiments, refer to page 73-74 in the STAWA Exploring chemistry stage 2 book
Part A: solution process (dissociation) Solutions and their chemical equations | Initial temperature (in Celsius) | Final temperature (in Celsius) | Classification(exothermic or endothermic) | Sodium hydroxide NaOH(s) Na+(aq) + OH-(aq) + Energy | 15°C | 35°C | exothermic | Ammonium ChlorideNH4Cl(s) + Energy NH4+(aq) + Cl-(aq) + H2O(l) | 15°C | 10°C | endothermic | Sodium AcetateC2H3O2-(aq) + Energy HC2H3O2(aq) + OH-(aq) | 15°C | 11°C | endothermic | Sodium ChlorideNaCl(s) + Energy