General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.109QP: A 21.3-mL sample of 0.977 M NaOH is mixed with 29.5 mL of 0.918 M HCl in a coffee-cup calorimeter...
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Hi I need help answering these two questions. Thanks
![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)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcf266520-407e-4b51-839c-e1d92d759be6%2F9ee52645-9cac-49ed-bb2e-71a3df37de24%2Flnhsxl7_processed.jpeg&w=3840&q=75)
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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