Calorimetry NaOH using a coffee-cup calorimeter which was calibrated using 5.00 mL of 0.900 M HCl and 10.0 mL of 0.750 M NaOH. The temperature changed from 29.5°C to 32.0°C. In the same calorimeter, Calry mixed 5.00 mL of 0.800 M HNO; and 10.0 mL of 0.600 M NaOH, and the temperature changed from 30.5°C to 32.5°C. Report all your answers in 2 SIGNIFICANT FIGURES. Calry would like to determine the enthalpy of reaction between HNO3 and (Note that AHrm of H“ (04) + OH (m) → H;0m is -55.85 kJ/mol) A. What is the experimental enthalpy of the reaction? B. What is the percent error? C. Is the process endothermic or exothermic?
Calorimetry NaOH using a coffee-cup calorimeter which was calibrated using 5.00 mL of 0.900 M HCl and 10.0 mL of 0.750 M NaOH. The temperature changed from 29.5°C to 32.0°C. In the same calorimeter, Calry mixed 5.00 mL of 0.800 M HNO; and 10.0 mL of 0.600 M NaOH, and the temperature changed from 30.5°C to 32.5°C. Report all your answers in 2 SIGNIFICANT FIGURES. Calry would like to determine the enthalpy of reaction between HNO3 and (Note that AHrm of H“ (04) + OH (m) → H;0m is -55.85 kJ/mol) A. What is the experimental enthalpy of the reaction? B. What is the percent error? C. Is the process endothermic or exothermic?
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Transcribed Image Text:Calorimetry
NaOH using a coffe-cup calorimeter which was calibrated using 5.00 mL of 0.900 M HCl and 10.0 mL of
0.750 M NAOH. The temperature changed from 29.5°C to 32.0°C. In the same calorimeter, Calry mixed
5.00 mL of 0.800 M HNO3 and 10.0 mL of 0.600 M NaOH, and the temperature changed from 30.5°C to
32.5°C. Report all your answers in 2 SIGNIFICANT FIGURES.
Calry would like to determine the enthalpy of reaction between HNO; and
(Note that AHrn of H* (aq) + OH (mg) → H;0m is -55.85 kJ/mol)
A. What is the experimental enthalpy of the reaction?
B. What is the percent error?
C. Is the process endothermic or exothermic?
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