Complete the table below; (Express your answers in 2 decimal places, use specific heat of water = 4.184 J/kg °C and MM of methanol-32.04) Parameters Mass of water in can (g) Initial temperature of water (°C) Final temperature of water (°C) Heat gained by water, qwater (kJ) Initial mass of alcohol lamp + fuel (g) Final mass of alcohol lamp + fuel (g) Mass of fuel consumed (g) Moles of fuel consumed (mol) Calculated heat of combustion, AH combustion (KJ/mol) Theoretical heat of combustion (kJ/mol) Percent error in the heat of combustion methanol 150 27 41 1. 185.30 184.50 2. 3. 4. 726 kJ/mol 5. %
Complete the table below; (Express your answers in 2 decimal places, use specific heat of water = 4.184 J/kg °C and MM of methanol-32.04) Parameters Mass of water in can (g) Initial temperature of water (°C) Final temperature of water (°C) Heat gained by water, qwater (kJ) Initial mass of alcohol lamp + fuel (g) Final mass of alcohol lamp + fuel (g) Mass of fuel consumed (g) Moles of fuel consumed (mol) Calculated heat of combustion, AH combustion (KJ/mol) Theoretical heat of combustion (kJ/mol) Percent error in the heat of combustion methanol 150 27 41 1. 185.30 184.50 2. 3. 4. 726 kJ/mol 5. %
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 66QRT
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Transcribed Image Text:Complete the table below: (Express your answers in 2 decimal places, use specific heat of water = 4.184 J/kg °C and MM of methanol-32.04)
Parameters
Mass of water in can (g)
Initial temperature of water (°C)
Final temperature of water (°C)
Heat gained by water, qwater (kJ)
Initial mass of alcohol lamp + fuel (g)
Final mass of alcohol lamp + fuel (g)
Mass of fuel consumed (g)
Moles of fuel consumed (mol)
Calculated heat of combustion, AH combustion (kJ/mol)
Theoretical heat of combustion (kJ/mol)
Percent error in the heat of combustion
methanol
150
27
41
1.
185.30
184.50
2.
3.
726 kJ/mol
5.
%
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