Question

Here are my lab notes from my different trials

A.) Record thefollowing for each of the three trials:

Trial 1

1. Mass of the empty calorimeter (g):18.600g
2. Initial temperature of the calorimeter (�C):21.5 C
3. Maximum temperature in the calorimeter from thereaction (�C): 34.9 C
4. Calculate ?T by subtracting (b) from (c) (�C) ?T =Tmaximum � Tinitial
5. Mass of the calorimeter and its contents after thereaction (g)
6. Calculate the mass of the contents of the calorimeter(g) by subtracting (a) from (e)
7. Calculate the moles of Mg reacted (MW = 24.305g/mole)

Trail 2

1. Mass of the empty calorimeter (g):18.600g
2. Initial temperature of the calorimeter (�C):21.5 C
3. Maximum temperature in the calorimeter from thereaction (�C): 43.8 C
4. Calculate ?T by subtracting (b) from (c) (�C) ?T =Tmaximum � Tinitial
5. Mass of the calorimeter and its contents after thereaction (g)
6. Calculate the mass of the contents of the calorimeter(g) by subtracting (a) from (e)
7. Calculate the moles of Mg reacted (MW = 24.305g/mole)

Trail 3

1. Mass of the empty calorimeter (g):18.600g
2. Initial temperature of the calorimeter (�C):21.5 C
3. Maximum temperature in the calorimeter from thereaction (�C): 52.7 C
4. Calculate ?T by subtracting (b) from (c) (�C) ?T =Tmaximum � Tinitial
5. Mass of the calorimeter and its contents after thereaction (g)
6. Calculate the mass of the contents of the calorimeter(g) by subtracting (a) from (e)
7. Calculate the moles of Mg reacted (MW = 24.305g/mole)

B.) Calculate theheat released into the solution for the 3 reactions, according tothe formula:

q_reaction = (Ccal * ?T) + (m_contents *Cp_contents * ?T)

Assume Cp_contents = Cp_water = 4.18 J/g�C

1. Trial 1 (J):
2. Trail 2 (J):
3. Trail 3 (J):

C.) Find the molarheat of reaction for each experiment in units of kilojoules / (moleof Mg) by dividing the heat of reaction (converted to kJ bydividing by 1000) by the moles of Mg used.

1. Trail 1 (kJ/mol):
2. Trail 2 (kJ/mol):
3. Trail 3 (kJ/mol):

D.) Calculate andrecord the average molar heat of reaction from the threeresults:

Here are my lab notes from my different trials Clean, empty calorimeter has a mass of 18.600g and has a temp of 21.5 C Added 50 mL of 1.0 M hydrochloric acid (HCl) to the calorimeter (mass 68.600g, temp. 21.5 C) Added 0.15 g of magnesium (Mg) to the calorimeter (mass 68.738g, max temp. 34.9C) Clean, empty calorimeter has a mass of 18.600g and has a temp of 21.5 C Added 50 mL of 1.0 M hydrochloric acid (HCl) to the calorimeter (mass 68.600g, temp. 21.5 C) Added 0.25 g of magnesium (Mg) to the calorimeter (mass 68.829g, max temp. 43.8C) Clean, empty calorimeter has a mass of 18.600g and has a temp of 21.5 C Added 50 mL of 1.0 M hydrochloric acid (HCl) to the calorimeter (mass 68.600g, temp. 21.5 C) Added 0.35 g of magnesium (Mg) to the calorimeter (mass 68.921g, max temp. 52.7C) A.) Record the following for each of the three trials: Trial 1 Mass of the empty calorimeter (g): 18.600g Initial temperature of the calorimeter (C): 21.5 C Maximum temperature in the calorimeter from the reaction (C): 34.9 C Calculate ?T by subtracting (b) from (c) (C) ?T = Tmaximum Tinitial Mass of the calorimeter and its contents after the reaction (g) Calculate the mass of the contents of the calorimeter (g) by subtracting (a) from (e) Calculate the moles of Mg reacted (MW = 24.305 g/mole) Trail 2 Mass of the empty calorimeter (g): 18.600g Initial temperature of the calorimeter (C): 21.5 C Maximum temperature in the calorimeter from the reaction (C): 43.8 C Calculate ?T by subtracting (b) from (c) (C) ?T = Tmaximum Tinitial Mass of the calorimeter and its contents after the reaction (g) Calculate the mass of the contents of the calorimeter (g) by subtracting (a) from (e) Calculate the moles of Mg reacted (MW = 24.305 g/mole) Trail 3 Mass of the empty calorimeter (g): 18.600g Initial temperature of the calorimeter (C): 21.5 C Maximum temperature in the calorimeter from the reaction (C): 52.7 C Calculate ?T by subtracting (b) from (c) (C) ?T = Tmaximum Tinitial Mass of the calorimeter and its contents after the reaction (g) Calculate the mass of the contents of the calorimeter (g) by subtracting (a) from (e) Calculate the moles of Mg reacted (MW = 24.305 g/mole) B.) Calculate the heat released into the solution for the 3 reactions, according to the formula: qreaction = (Ccal * ?T) + (mcontents * Cpcontents * ?T) Assume Cpcontents = Cpwater = 4.18 J/g C Trial 1 (J): Trail 2 (J): Trail 3 (J): C.) Find the molar heat of reaction for each experiment in units of kilojoules / (mole of Mg) by dividing the heat of reaction (converted to kJ by dividing by 1000) by the moles of Mg used. Trail 1 (kJ/mol): Trail 2 (kJ/mol): Trail 3 (kJ/mol): D.) Calculate and record the average molar heat of reaction from the three results: