A 150.0 mL sample of 0.250 M NaOH is mixed with a 100.0 mL sample of 0.289 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.00°C and after mixing, the temperature of the resulting solution was recorded as 37.00°C. Determine the enthalpy of neutralization (AH neutralization rxn) (in units of kJ/mol) for the neutralization reaction between aqueous NaOH and HNO3. The specific heat capacity of water = 4.184 J/g °C and density of water = 1.00 g/mL
A 150.0 mL sample of 0.250 M NaOH is mixed with a 100.0 mL sample of 0.289 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.00°C and after mixing, the temperature of the resulting solution was recorded as 37.00°C. Determine the enthalpy of neutralization (AH neutralization rxn) (in units of kJ/mol) for the neutralization reaction between aqueous NaOH and HNO3. The specific heat capacity of water = 4.184 J/g °C and density of water = 1.00 g/mL
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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(Enter the numerical value clearly indicating whether it is endothermic or exothermic. )
Transcribed Image Text:A 150.0 mL sample of 0.250 M NaOH is
mixed with a 100.0 mL sample of 0.289 M
HNO3 in a coffee cup calorimeter. Both
solutions were initially at 35.00°C and after
mixing, the temperature of the resulting
solution was recorded as 37.00°C. Determine
the enthalpy of neutralization (AH° neutralization
rxn) (in units of kJ/mol) for the neutralization
reaction between aqueous NaOH and
HNO3.
The specific heat capacity of water = 4.184
J/g °C and density of water = 1.00 g/mL
Assume 1) that no heat is lost to the
calorimeter or the surroundings, and
2) that the density and the heat capacity of
the resulting solution are the same as
water.
Hint: Heat of neutralization is the enthalpy
change per mol of water formed in a
neutralization reaction.
Write the balanced equation, calculate the
limiting reactant and the mol of water formed
in the reaction.
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