8. How many moles of gas are formed when 1 cm3 of ammonium nitrate is reacted completely according to the chemical equation in question 5?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section4.2: Conservation Of Energy
Problem 4.2CE
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6. Which reaction releases more energy?
A or B:
A. The reaction from Question 1 (no fuel)
B. The reaction from Question 5 (with fuel)
7. Is the release of energy endothermic or exothermic?
A or B:
A. Endothermic
B. Exothermic
B.
How does this reaction cause so much devastation?
For context, we're going to do a thought experiment. Imagine a 1 cm3 block of ammonium nitrate.
Ammonium nitrate has a density of 1.73 g/cm³.
8. How many moles of gas are formed when 1 cm3 of ammonium nitrate is reacted completely
according to the chemical equation in question 5?
Answer:
9. An average August day in Beirut is 92 °F. You will learn a lot more about gases and what affects
their volume in Chapter 9, but for now, assume that 1 mol of any gas at 92 °F takes up 25.1 L of
space. How many liters of gas would be produced?
Answer:
Transcribed Image Text:6. Which reaction releases more energy? A or B: A. The reaction from Question 1 (no fuel) B. The reaction from Question 5 (with fuel) 7. Is the release of energy endothermic or exothermic? A or B: A. Endothermic B. Exothermic B. How does this reaction cause so much devastation? For context, we're going to do a thought experiment. Imagine a 1 cm3 block of ammonium nitrate. Ammonium nitrate has a density of 1.73 g/cm³. 8. How many moles of gas are formed when 1 cm3 of ammonium nitrate is reacted completely according to the chemical equation in question 5? Answer: 9. An average August day in Beirut is 92 °F. You will learn a lot more about gases and what affects their volume in Chapter 9, but for now, assume that 1 mol of any gas at 92 °F takes up 25.1 L of space. How many liters of gas would be produced? Answer:
4. What happens when fuel is added (like a carbol
following reaction.
Compound
AH, (kJ mol
81.6
2 N20(g) + C(s) → 2 N2(g) + CO2 (g)
O'N
CO2
-393.51
4 HF (1mol Co2(-393.61)- (2met N20 (81.6))
4 Hop=D(-393.5l)- 163.2 = -556.7KJ
%3D
Answer:
-556.7KJ
5. Now, consider the reaction of ammonium nitrate with fuel to burn. Using Hess' Law, the
chemical equation you found in Question 1, and the reaction given in Question 4, what is the
heat of this reaction?
2NH,NO3(s) + C(s) → 2N2(g) + 4H20(g)+ CO2(g)
4 Hof ((4meH20(-241.8) +(Imele co2(-393.51))-(2mcle NItyoNO3(-36K]
A Hop=((a67-2)+(-393.51))-(-12)
JoHV
Answer:
-1288.71KJ
Transcribed Image Text:4. What happens when fuel is added (like a carbol following reaction. Compound AH, (kJ mol 81.6 2 N20(g) + C(s) → 2 N2(g) + CO2 (g) O'N CO2 -393.51 4 HF (1mol Co2(-393.61)- (2met N20 (81.6)) 4 Hop=D(-393.5l)- 163.2 = -556.7KJ %3D Answer: -556.7KJ 5. Now, consider the reaction of ammonium nitrate with fuel to burn. Using Hess' Law, the chemical equation you found in Question 1, and the reaction given in Question 4, what is the heat of this reaction? 2NH,NO3(s) + C(s) → 2N2(g) + 4H20(g)+ CO2(g) 4 Hof ((4meH20(-241.8) +(Imele co2(-393.51))-(2mcle NItyoNO3(-36K] A Hop=((a67-2)+(-393.51))-(-12) JoHV Answer: -1288.71KJ
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