A coffee cup calorimeter with a heat capacity of 3.70 J/°C was used to measure the change in enthalpy of a precipitation reaction. A 50.0 mL solution of 0.330 M AgNO3 was mixed with 50.0 mL of 0.190 M KI. After mixing, the temperature was observed to increase by 2.53 °C. Calculate the enthalpy of reaction, AHxn, per mole of precipitate formed (AgI). Assume the specific heat of the product solution is 4.12 J / (g -° C) and that the density of both the reactant solutions is 1.00 g/mL.
A coffee cup calorimeter with a heat capacity of 3.70 J/°C was used to measure the change in enthalpy of a precipitation reaction. A 50.0 mL solution of 0.330 M AgNO3 was mixed with 50.0 mL of 0.190 M KI. After mixing, the temperature was observed to increase by 2.53 °C. Calculate the enthalpy of reaction, AHxn, per mole of precipitate formed (AgI). Assume the specific heat of the product solution is 4.12 J / (g -° C) and that the density of both the reactant solutions is 1.00 g/mL.
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ISBN:9781305957404
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![A coffee cup calorimeter with a heat capacity of 3.70 J/°C was used to measure the change in enthalpy of a precipitation
reaction. A 50.0 mL solution of 0.330 M AgNO3 was mixed with 50.0 mL of 0.190 M KI. After mixing, the temperature was
observed to increase by 2.53 °C. Calculate the enthalpy of reaction, AHrxn, per mole of precipitate formed (AgI). Assume the
specific heat of the product solution is 4.12 J/(g° C) and that the density of both the reactant solutions is 1.00 g/mL.
3
Calculate the theoretical moles of precipitate formed from AgNO3 and KI.
theoretical moles of precipitate formed from AgNO3:
theoretical moles of precipitate formed from KI: 0.0095
moles
moles](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F18dec39c-951c-4a02-a2e0-a27b1373e40a%2Fd57cf768-db08-4145-8186-1e61fe05afdb%2Fj3pjrcm_processed.png&w=3840&q=75)
Transcribed Image Text:A coffee cup calorimeter with a heat capacity of 3.70 J/°C was used to measure the change in enthalpy of a precipitation
reaction. A 50.0 mL solution of 0.330 M AgNO3 was mixed with 50.0 mL of 0.190 M KI. After mixing, the temperature was
observed to increase by 2.53 °C. Calculate the enthalpy of reaction, AHrxn, per mole of precipitate formed (AgI). Assume the
specific heat of the product solution is 4.12 J/(g° C) and that the density of both the reactant solutions is 1.00 g/mL.
3
Calculate the theoretical moles of precipitate formed from AgNO3 and KI.
theoretical moles of precipitate formed from AgNO3:
theoretical moles of precipitate formed from KI: 0.0095
moles
moles
![Calculate the heat change experienced by the calorimeter contents, contents.
acontents =
Calculate the heat change experienced by the calorimeter, qcal.
9cal =
Calculate the heat change produced by the solution process, solution.
qsolution=
Calulate AH solution for one mole of precipitate formed.
AH solution=
J
J
J
kJ/mole](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F18dec39c-951c-4a02-a2e0-a27b1373e40a%2Fd57cf768-db08-4145-8186-1e61fe05afdb%2F0avlldc_processed.png&w=3840&q=75)
Transcribed Image Text:Calculate the heat change experienced by the calorimeter contents, contents.
acontents =
Calculate the heat change experienced by the calorimeter, qcal.
9cal =
Calculate the heat change produced by the solution process, solution.
qsolution=
Calulate AH solution for one mole of precipitate formed.
AH solution=
J
J
J
kJ/mole
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