Answer Happy

Experiment 25 Report Sheet Calorimetry Dole A. Specific Heat of a Metal L'nknown No 94 Trial/ Trial 2 1. Mass of metal (8) 2. Temperature of metal (boiling water) (C) 2. Mass of calorimeter() 4. Mass of calorimeter + water) 1036 6,4888 22,7166 5. Mass of water) 6. Temperature of water in calorimeter (C) 22,5°C 312°C 7. Maximum temperature of metal and water from graph (0) 8. Instructor's approval of graph Calculations for Specific Heat of a Metal 1. Temperature change of water. AT (C) 2. Heat gained by water (J) 3. Temperature change of metal,AT("O 4. Specific heat of metal, equation 25 5 0/0) 5. Average specific heat of metal / Show calculations for Trial t using the correct number of significant figures Data Analysis, B Experiment 25 301
HINO, + NaOH Trial Trial 2 B. Enthalpy (Heat) of Neutralization for an Acid-Base Reaction HCI + NaOH Trial 1 Trial 2 1. Volume of acid (m) 50... 2. Temperature of acid (C) 22.5°C 3. Volume of NaOH (m) Somu 4. Temperature of NaOH (C) 22.5°C 5. Exact molar concentration of NaOH ( MVL) 0.9864 6. Maximum temperature from graph (C) 29.5°C ZZS 50 ML 29.0°C 7. Instructor's approval of graph Calculations for Enthalpy (Heat) of Neutralization for Acid-Base Reaction 1. Average initial temperature of acid and NaOH (°C) 2. Temperature change, ATCC) 3. Volume of final mixture (mL) 4. Mass of final mixture (g) (Assume the density of the solution is 1.0 g/ml.) 5. Specific beat of mixture 4.18 Ilgoc 4.18 J/go 6. Heat evolved (J) 7. Moles of OH reacted, the limiting reactant (mol) 8. Moles of H.O formed (mol) 9. AH, (kJ/mol H20), equation 25.8 10. Average AH (I/mol HD) *Show calculations for Trial 1 using the correct number of significant figures Comment on your two values of AH 302 Calorimetry