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When 0.0200 L of 0.800 M NaOH is mixed with 0.0400 L of 0.400 M HNO3 in a coffee-cup calorimeter, the temperature rises from 18.88°C to 21.29°C. The heat capacity of the calorimeter apparatus is 108 J/K. Calculate AH (in J) for the reaction: NaOH(aq) + HNO3(aq) → NaNO3(aq) + H2O(1) Assume the total volume of the solution mixture is 0.0600 L with a specific heat capacity of 4.18 J/K-g and the density of 1.05 g/mL. Discussion: Why is AH rather than AU determined by coffee-cup calorimetry? When doing a coffee cup calorimetry experiment, the heat generated or absorbed from the chemical reaction is transferred to the calorimeter apparatus including the thermometer. Thus, what would be the sign (positive or negative) AH if there is an increase in temperature? Since heat flow is related to the amount of solution in grams now can you determine the amount of solution in grams using the volume of NaOH and HNO3? Wha he heat capacity of the calorimeter apparatus?

When 0.0200 L of 0.800 M NaOH is mixed with 0.0400 L of 0.400 M HNO3 in a coffee-cup calorimeter, the temperature rises from 18.88°C to 21.29°C. The heat capacity of the calorimeter apparatus is 108 J/K. Calculate AH (in J) for the reaction: NaOH(aq) + HNO3(aq) → NaNO3(aq) + H2O(1) Assume the total volume of the solution mixture is 0.0600 L with a specific heat capacity of 4.18 J/K-g and the density of 1.05 g/mL. Discussion: Why is AH rather than AU determined by coffee-cup calorimetry? When doing a coffee cup calorimetry experiment, the heat generated or absorbed from the chemical reaction is transferred to the calorimeter apparatus including the thermometer. Thus, what would be the sign (positive or negative) AH if there is an increase in temperature? Since heat flow is related to the amount of solution in grams now can you determine the amount of solution in grams using the volume of NaOH and HNO3? Wha he heat capacity of the calorimeter apparatus?

Chemistry
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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When 0.0200L of 0.800 M NaOH is mixed with 0.0400 L of 0.400 M HNO3 in a coffee-cup calorimeter, the temperature rises from 18.88°C to 21.29°C. The heat capacity of the calorimeter apparatus is 108 J/K. Calculate AH (in J) for the reaction: NaOH(aq) + HNO3(aq) → NaNO3(aq) + H2O(1) Assume the total volume of the solution mixture is 0.0600 L with a specific heat capacity of 4.18 J/K-g and the density of 1.05 g/mL. Discussion: Why is AH rather than AU determined by coffee-cup calorimetry? When doing a coffee cup calorimetry experiment, the heat generated or absorbed from the chemical reaction is transferred to the calorimeter apparatus including the thermometer. Thus, what would be the sign (positive or negative) of AH if there is an increase in temperature? Since heat flow is related to the amount of solution in grams, how can you determine the amount of solution in grams using the volume of NaOH and HNO3? What is the heat capacity of the calorimeter apparatus?
Transcribed Image Text:When 0.0200L of 0.800 M NaOH is mixed with 0.0400 L of 0.400 M HNO3 in a coffee-cup calorimeter, the temperature rises from 18.88°C to 21.29°C. The heat capacity of the calorimeter apparatus is 108 J/K. Calculate AH (in J) for the reaction: NaOH(aq) + HNO3(aq) → NaNO3(aq) + H2O(1) Assume the total volume of the solution mixture is 0.0600 L with a specific heat capacity of 4.18 J/K-g and the density of 1.05 g/mL. Discussion: Why is AH rather than AU determined by coffee-cup calorimetry? When doing a coffee cup calorimetry experiment, the heat generated or absorbed from the chemical reaction is transferred to the calorimeter apparatus including the thermometer. Thus, what would be the sign (positive or negative) of AH if there is an increase in temperature? Since heat flow is related to the amount of solution in grams, how can you determine the amount of solution in grams using the volume of NaOH and HNO3? What is the heat capacity of the calorimeter apparatus?
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