Hexamine fuel tablets are used by campers, the military and relief organizations for heating camping food or military rations. It burns smokeless, has a high energy density (30.0 kJ/g), and leaves no ashes. A student set up the following experiment to determine the enthalpy of combustion for the hexamine fuel tablets. Thermometer Aluminium cover Water DE Aluminium calorimeter hexamine tablet Four trials were performed. Each of the trials followed the same experimental design, but for each trial the container was made from a different material. The four materials used were aluminium, copper, iron and tin. The following data were collected. Mass of calorimeter (g) Mass of calorimeter and water (g) Mass of hexamine tablet (g) Initial temperature of calorimeter and contents (°C) Final temperature of calorimeter and contents (°C) Calorimeter Number Material of calorimeter • aluminium copper iron Calorimeter 1 tin 25 75 0.49 21.2 87.8 Calorimeter 2 Match the above calorimeters with their possible identity from the list below. 25 75 0.49 21.2 88.3 Calorimeter 3 Calorimeter 4 25 75 0.49 21.2 89.5 25 75 0.49 21.2 84.6
Hexamine fuel tablets are used by campers, the military and relief organizations for heating camping food or military rations. It burns smokeless, has a high energy density (30.0 kJ/g), and leaves no ashes. A student set up the following experiment to determine the enthalpy of combustion for the hexamine fuel tablets. Thermometer Aluminium cover Water DE Aluminium calorimeter hexamine tablet Four trials were performed. Each of the trials followed the same experimental design, but for each trial the container was made from a different material. The four materials used were aluminium, copper, iron and tin. The following data were collected. Mass of calorimeter (g) Mass of calorimeter and water (g) Mass of hexamine tablet (g) Initial temperature of calorimeter and contents (°C) Final temperature of calorimeter and contents (°C) Calorimeter Number Material of calorimeter • aluminium copper iron Calorimeter 1 tin 25 75 0.49 21.2 87.8 Calorimeter 2 Match the above calorimeters with their possible identity from the list below. 25 75 0.49 21.2 88.3 Calorimeter 3 Calorimeter 4 25 75 0.49 21.2 89.5 25 75 0.49 21.2 84.6
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Hexamine fuel tablets are used by campers, the military and relief organizations for heating camping food or military rations. It burns smokeless, has a high energy density (30.0 kJ/g), and leaves no ashes. A student set up the following experiment to
determine the enthalpy of combustion for the hexamine fuel tablets.
Mass of calorimeter (g)
س
Four trials were performed. Each of the trials followed the same experimental design, but for each trial the container was made from a different material. The four materials used were aluminium, copper, iron and tin. The following data were collected.
Thermometer
Aluminium cover
Water
Aluminium calorimeter
Mass of calorimeter and water (g)
hexamine tablet
Mass of hexamine tablet (g)
Initial temperature of calorimeter and contents (°C)
Final temperature of calorimeter and contents (°C)
+
♦
Calorimeter Number Material of calorimeter
"
aluminium
copper
iron
Calorimeter 1 Calorimeter 2
tin
25
75
0.49
Match the above calorimeters with their possible identity from the list below.
21.2
87.8
25
75
0.49
21.2
88.3
Calorimeter 3
25
75
0.49
21.2
89.5
Calorimeter 4
25
75
0.49
21.2
84.6
Transcribed Image Text:561 J of energy was added to one of the four calorimeters from this experiment when it was empty and at an initial temperature of 21.2°C. The maximum temperature reached by the empty calorimeter was 70°C. From this data, the calorimeter is identified
as being composed of
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