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37.- A 0.250 g sample of a pretzel is burned. The...
1a) Consider the reaction: C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l) in which 10.0 g of sucrose, C12H22O11, was burned in a...
1a) Consider the reaction: C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l) in which 10.0 g of sucrose, C12H22O11, was burned in a bomb calorimeter with a heat capacity of 7.50 kJ/∘C. The temperature increase inside the calorimeter was found to be 22.0 ∘C. What is the heat of this reaction per mole of sucrose? 1b) One tablespoon of peanut butter has a mass of 17.0 g. It is combusted in a calorimeter whose heat capacity is 110 kJ/°C. The temperature of the calorimeter rises from 21.6...
5. (10 points) A 2.20 g sample of fructose (CoH12Os) is burned in a bomb calorimeter...
5. (10 points) A 2.20 g sample of fructose (CoH12Os) is burned in a bomb calorimeter containing 1350 g water at an initial temperature of 21.00 °c. After the reaction the temperature of the water is 23.52 °C. The heat capacity of the bomb is 450 J/°C. The specific heat capacity of water is 4.184 J/g. C. Calculate the quantity of heat released per mole of fructose in kJlmol.
A 12.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity of 5.65 kJ/�C. Using the inform...
A 12.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity of 5.65 kJ/�C. Using the information below, determine the final temperature of the calorimeter if the initial temperature is 25.0�C. The molar mass of ethanol is 46.07 g/mol.
7A) Butane has a heat of combustion of -2882 kJ/mol. If a 10.09 g sample of...
7A) Butane has a heat of combustion of -2882 kJ/mol. If a 10.09 g sample of butane is burned in a bomb calorimeter containing 2.610 kg of water initially at 20.13 degrees C, find the final water temperature. 7B) A sample of ethanol (CH3CH2OH) increases the temperature of the bomb calorimeter in Question 7A by 4.71 degrees C. If the heat of combustion of ethanol is -1407 kJ/mol, what was the mass of the ethanol sample? I only need the...
Heat Capacity and Calorimetry A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an...
Heat Capacity and Calorimetry
A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an
excess of oxygen in a bomb calorimeter. The temperature of the
calorimeter rose from 25C to 33.73C. If the heat capacity of the
calorimeter and contents is 9.63kJ/C, what is the value of q for
burning 1.00 lol of ethanol at constant volume and 25.00C.
Is q equal to U or H?
214e Questions and Problems the enthalpy change when 0.710 mol of calcium...
6.A 12.8 g sample of ethanol (C,H,OH) is burned in a calorimeter with a heat capacity...
6.A 12.8 g sample of ethanol (C,H,OH) is burned in a calorimeter with a heat capacity of 5.65 kJ/°C. Assume the heat from the sample is negligible compared to the calorimeter. Determine the initial temperature of the calorimeter if the final temperature is 85.7°C. The molar mass of ethanol is 46.07 g/mol. С-Н,ОН , + 3 О,ее — 2 СОде + 3 Н,0 qrxn -1235 kJ 7. Two solutions, initially at 24.60 °C, are mixed in a coffee cup calorimeter...
5) A 35.6 g sample of ethanol (C2HsOH) is burned in a bomb calorimeter, according to...
5) A 35.6 g sample of ethanol (C2HsOH) is burned in a bomb calorimeter, according to the following on. If the temperature rose from 35.0 to 76.0°C and the heat capacity of the calorimeter is 23.3 kJ/PC, what is the value of AHrxn? The molar mass of ethanol is 46.07 gmol C2HsOH)+302() 2 Co2()+3 H20) frxn7 A) -1.24 x 103 kJ/mol C)-809 x 103 kJ/rnol B) +1.24 x 103 kJ/mol E) +9.55 x 103 kJ/mol D) -9.55 x 103 kJ/mol...
A 2.11 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C-5.65 kJ/"C. C2H5OH() + 3 O2...
A 2.11 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C-5.65 kJ/"C. C2H5OH() + 3 O2(g) + 2 CO2(g) + 3 H2O(g) AH'rxn=-1235 kJ If the initial temperature is 25.0°C, what is the final temperature (in "C) of the calorimeter? The molar mass of ethanol is 46.07 g/mol. Remember, in the heat equation, q=m's'AT, heat capacity is equivalent to Cum's, giving Heat capacity is extensive whereas specific heat is intensive. -CAT.
QUESTION 4 0.5 points Save Answer A 6.32 g sample of ethanol (C2H5OH) is burned in...
QUESTION 4 0.5 points Save Answer A 6.32 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C = 5.65 kJ/°C. C2H5OH() + 3 O2(g) 2 CO2(g) + 3 H2O(g) AH®rxn = -1235 kJ If the initial temperature is 25.0°C, what is the final temperature (in °C) of the calorimeter? The molar mass of ethanol is 46.07 g/mol. Remember, in the heat equation, q = m*s*AT, heat capacity is equivalent to C= m*s, giving...
Be sure to answer all parts. A 0.4875−g sample of solid magnesium is burned in a...
Be sure to answer all parts. A 0.4875−g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/°C. The temperature increases by 3.991°C. (a) Calculate the heat given off by the burning Mg in kJ/g. kJ/g (b) Calculate the heat given off by the burning Mg in kJ/mol. kJ/mol
5. (10 points) A 2.20 g sample of fructose (CoH12Os) is burned in a bomb calorimeter containing 1350 g water at an initial temperature of 21.00 °c. After the reaction the temperature of the water is 23.52 °C. The heat capacity of the bomb is 450 J/°C. The specific heat capacity of water is 4.184 J/g. C. Calculate the quantity of heat released per mole of fructose in kJlmol.
Heat Capacity and Calorimetry
A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an
excess of oxygen in a bomb calorimeter. The temperature of the
calorimeter rose from 25C to 33.73C. If the heat capacity of the
calorimeter and contents is 9.63kJ/C, what is the value of q for
burning 1.00 lol of ethanol at constant volume and 25.00C.
Is q equal to U or H?
214e Questions and Problems the enthalpy change when 0.710 mol of calcium...
6.A 12.8 g sample of ethanol (C,H,OH) is burned in a calorimeter with a heat capacity of 5.65 kJ/°C. Assume the heat from the sample is negligible compared to the calorimeter. Determine the initial temperature of the calorimeter if the final temperature is 85.7°C. The molar mass of ethanol is 46.07 g/mol. С-Н,ОН , + 3 О,ее — 2 СОде + 3 Н,0 qrxn -1235 kJ 7. Two solutions, initially at 24.60 °C, are mixed in a coffee cup calorimeter...
5) A 35.6 g sample of ethanol (C2HsOH) is burned in a bomb calorimeter, according to the following on. If the temperature rose from 35.0 to 76.0°C and the heat capacity of the calorimeter is 23.3 kJ/PC, what is the value of AHrxn? The molar mass of ethanol is 46.07 gmol C2HsOH)+302() 2 Co2()+3 H20) frxn7 A) -1.24 x 103 kJ/mol C)-809 x 103 kJ/rnol B) +1.24 x 103 kJ/mol E) +9.55 x 103 kJ/mol D) -9.55 x 103 kJ/mol...
A 2.11 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C-5.65 kJ/"C. C2H5OH() + 3 O2(g) + 2 CO2(g) + 3 H2O(g) AH'rxn=-1235 kJ If the initial temperature is 25.0°C, what is the final temperature (in "C) of the calorimeter? The molar mass of ethanol is 46.07 g/mol. Remember, in the heat equation, q=m's'AT, heat capacity is equivalent to Cum's, giving Heat capacity is extensive whereas specific heat is intensive. -CAT.
QUESTION 4 0.5 points Save Answer A 6.32 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity, C = 5.65 kJ/°C. C2H5OH() + 3 O2(g) 2 CO2(g) + 3 H2O(g) AH®rxn = -1235 kJ If the initial temperature is 25.0°C, what is the final temperature (in °C) of the calorimeter? The molar mass of ethanol is 46.07 g/mol. Remember, in the heat equation, q = m*s*AT, heat capacity is equivalent to C= m*s, giving...
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