Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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How do I calculate, Table 4.
SECTION/GROUP: DATA: LABORATORY 10 Table 1: Heat Capacity of Calorimeter Mass 50 Show calculations separately. 22.3 22.5°c 45°C 33°C l0:5 change I2°C change 2,195.55 J 2,501.2J 313,65 J 30.J1°C Temp of calorimeter and cold water before mixing (°C) Temp of hot water before mixing (°C) 35 Constant Temp of water after mixing (°C) AT cold Water (°C) TF-Ti AT hot Water (°C) Tf-Ti Heat gained by cold water, q.l (J) H= MCAT 5ox 4.162X5 Heat lost by hot water, qhot (J) Sox i,192X15 Heat gained by calorimeter, q (J) 3,136,5-1,045.5= Heat capacity of calorimeter, c (J/°C) HAT Cold water 12,091)/(5) Table 2: Heat of Neutralization (HCI as acid) Mass loo Show calculations separately. 219°C 72.1°C 29.4°C 317.5°C 3y138 J 225J 3,363J Temp of calorimeter and NaOH before mixing (°C) Temp of HCl before mixing (°C) Final Temperature extrapolated from graph (°C) AT , (after mixing) ("C29.4-21.9=7.5°c 9ad () (lo69) (4.164 Jlge) (7.5) Su0 (30 J %) (7,5°) - (3,138) + (215)
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Transcribed Image Text:SECTION/GROUP: DATA: LABORATORY 10 Table 1: Heat Capacity of Calorimeter Mass 50 Show calculations separately. 22.3 22.5°c 45°C 33°C l0:5 change I2°C change 2,195.55 J 2,501.2J 313,65 J 30.J1°C Temp of calorimeter and cold water before mixing (°C) Temp of hot water before mixing (°C) 35 Constant Temp of water after mixing (°C) AT cold Water (°C) TF-Ti AT hot Water (°C) Tf-Ti Heat gained by cold water, q.l (J) H= MCAT 5ox 4.162X5 Heat lost by hot water, qhot (J) Sox i,192X15 Heat gained by calorimeter, q (J) 3,136,5-1,045.5= Heat capacity of calorimeter, c (J/°C) HAT Cold water 12,091)/(5) Table 2: Heat of Neutralization (HCI as acid) Mass loo Show calculations separately. 219°C 72.1°C 29.4°C 317.5°C 3y138 J 225J 3,363J Temp of calorimeter and NaOH before mixing (°C) Temp of HCl before mixing (°C) Final Temperature extrapolated from graph (°C) AT , (after mixing) ("C29.4-21.9=7.5°c 9ad () (lo69) (4.164 Jlge) (7.5) Su0 (30 J %) (7,5°) - (3,138) + (215)
Table 3: Heat of Neutralization (HC,H,0, as acid) Nd55 100 Show calculations separately. 22.3°C Temp of calorimeter and NaOH before mixing (°C) Temp of HC,H,O, before mixing (°C) Final Temperature extrapolated from graph (°C) 28.5°C 28.5 AT,oln (after mixing) (*C) 28,5-22,3 6,2°C १. () (\oog) (५,84) (.2) 9ai (1) [30J) (6) 2594J 184 J 2)780 A (2, squ) + 1186) Table 4:Reactions and Reac tion Stoichiometry Show calculations separately. HCl + NaOH→ НС Н,О, + NaОН — moles of water from the reaction with HCI AHHC Rxn (kJ/mol) moles of water from the reaction with HC,H,O, AH HC,H,0, Rxn (kJ/mol) Calculations (For each calculation step above, give one example of how the calculation was completed and the equation used.)
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Transcribed Image Text:Table 3: Heat of Neutralization (HC,H,0, as acid) Nd55 100 Show calculations separately. 22.3°C Temp of calorimeter and NaOH before mixing (°C) Temp of HC,H,O, before mixing (°C) Final Temperature extrapolated from graph (°C) 28.5°C 28.5 AT,oln (after mixing) (*C) 28,5-22,3 6,2°C १. () (\oog) (५,84) (.2) 9ai (1) [30J) (6) 2594J 184 J 2)780 A (2, squ) + 1186) Table 4:Reactions and Reac tion Stoichiometry Show calculations separately. HCl + NaOH→ НС Н,О, + NaОН — moles of water from the reaction with HCI AHHC Rxn (kJ/mol) moles of water from the reaction with HC,H,O, AH HC,H,0, Rxn (kJ/mol) Calculations (For each calculation step above, give one example of how the calculation was completed and the equation used.)
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