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6.69 Adding 2.00 g of Mg metal to 95.0 mL of 1.00 M HCl in a coffee-cup calorimeter leads to a temperature increase of 9.2 °C.

6.69 Adding 2.00 g of Mg metal to 95.0 mL of 1.00 M HCl in a coffee-cup calorimeter leads to a temperature increase of 9.2 °C.

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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6.69 Adding 2.00 g of Mg metal to 95.0 mL of 1.00 M HCl in a coffee-cup calorimeter leads to a temperature increase of 9.2 °C. a. Write a balanced net ionic equation for the reaction. b. If the molar heat capacity of 1.00 M HC1 is the same as that for water [c, = 75.3 J/(mol • °C)], what is AHrxn? 6.89 Improvised Explosives Mixtures of fertilizer (ammonium nitrate) and fuel oil (a mixture of long-chain hydrocarbons such as decane, C1,H22) can produce powerful explosions. Determine the enthalpy change of the following explosive reaction by using the appropriate enthalpies of formation (AHEC,H,= 249.7 kJ/mol): 3NH4NO3(s) + C10H22(1) + 1402(g) → 3N2(g) + 17H2O(g) + 10CO2(g)
Transcribed Image Text:6.69 Adding 2.00 g of Mg metal to 95.0 mL of 1.00 M HCl in a coffee-cup calorimeter leads to a temperature increase of 9.2 °C. a. Write a balanced net ionic equation for the reaction. b. If the molar heat capacity of 1.00 M HC1 is the same as that for water [c, = 75.3 J/(mol • °C)], what is AHrxn? 6.89 Improvised Explosives Mixtures of fertilizer (ammonium nitrate) and fuel oil (a mixture of long-chain hydrocarbons such as decane, C1,H22) can produce powerful explosions. Determine the enthalpy change of the following explosive reaction by using the appropriate enthalpies of formation (AHEC,H,= 249.7 kJ/mol): 3NH4NO3(s) + C10H22(1) + 1402(g) → 3N2(g) + 17H2O(g) + 10CO2(g)
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