Answer Happy

Experiment 25 Report Sheet Calorimetru Dole Lab Sec. A. Specific Heat of a Metal Unknown No. 94 Trial 2 1. Mass of metal (8) 2. Temperature of metal (boiling water) (C) 3. Mass of calorimeters) Trial/ 22266 103°c 6,4888 22.1265 1623789 22,5°C 31.2°C 4. Mass of calorimeter + water (e) 5. Mass of water (8) 6. Temperature of water in calorimeter (0) 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 (1) 3. Temperature change of metal, ATC) 4. Specific heat of metal, equation 255/C) Data Analysis, 5. Average specific heat of metal /C) Show calculations for Trial 1 using the correct number of significant figures O Experiment 25 301
HNO + NaOH Trial Trial 2 2215€ SOML B. Enthalpy (Heat of Neutralization for an Acid-Base Reaction HCI + NaOH Trial 1 Trial 2 50m2 1. Volume of acid (m) 22.50 2. Temperature of acid (C) 3. Volume of NaOH (m.) SOML 4. Temperature of NaOH CC) 22.5°C 5. Exact molar concentration of NaOH (MOVI.) 0.9864 m 6. Maximum temperature from graph (°C) 29.5°C 7. Instructor's approval of graph Calculations for Enthalpy (Heat) of Neutralization for an 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 ) (Assume the density of the solution is 1.0 g/ml.) 5. Specific heat of mixture 4.18J/g C 6. Heat evolved (1) 7. Moles of OH reacted the limiting reactant (mol) 4.18 WC 8. Moles of H2O formed (mol) 9. AH, (l/mol H,0).equation 25.8 10. Average AH, L/mol 1.0) *Show calculations for Trial 1 using the correct number of significant figures Comment on your two values of AN 302 Calorimetry