Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
8th Edition
ISBN: 9780134015187
Author: John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher: PEARSON
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Chapter 7, Problem 7.77CP
Interpretation Introduction
Interpretation:
The heat evolved for the reaction of
Concept Introduction:
Enthalpy
The value of heat formed in a reaction
If the value obtained for
From its given mass is,
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Consider the generic reaction2A+3B→2C,ΔHrxn=−100kJIf a reaction mixture initially contains 5 mol of A and 6 mol of B, how much heat (in kJ) will have evolved once the reaction has occurred to the greatest extent possible?
150kj
200kj
300kj
100kJ
Use the following thermodynamic information
to calculate ASn for the combustion of
rxn
acetylene, C,H,.
C2H2(g) + 3 02(9) → 2 CO2(9) + 2 H2O(g)
J
AS
rxn
mol K
(R)
J
Substance S°
mol K
C,H,()
201
0,9)
205
Co,(G)
214
H,O(g)
70.0
Glucose 1-phosphate is converted into fructose 6-phosphate in two successive reactions.
Reaction 1: Glucose 1-phosphate
→ glucose 6-phosphate
AG'° = -7.3 kJ/mol
Reaction 2: Glucose 6-phosphate
→ fructose 6-phosphate
AGʻ° = +1.7 kJ/mol
Using the values given, calculate the standard free-energy change, AGʻ°,
,for the sum of the two reactions:
sum >
Sum:
Glucose 1-phosphate
→ fructose 6-phosphate
AG'°,
kJ/mol
sum
Calculate the equilibrium constant, K',
eq >
for the sum of the two reactions.
K'e
eq
II
Chapter 7 Solutions
Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
Ch. 7.1 - Classify each of the following as having potential...Ch. 7.2 - Based on bond energies, which atmospheric gas in...Ch. 7.3 - Prob. 7.1CIAPCh. 7.3 - How many Calories (i.e., kilocalories) are in a...Ch. 7.3 - Prob. 7.3PCh. 7.3 - Prob. 7.4PCh. 7.3 - Prob. 7.5PCh. 7.3 - Prob. 7.6PCh. 7.4 - Prob. 7.7PCh. 7.4 - Prob. 7.8KCP
Ch. 7.5 - The reaction between iron and oxygen to form rust...Ch. 7.6 - Prob. 7.10PCh. 7.8 - Prob. 7.11PCh. 7.8 - Prob. 7.12PCh. 7.8 - Prob. 7.13PCh. 7.8 - The following diagrams represent two similar...Ch. 7.9 - Prob. 7.3CIAPCh. 7.9 - Prob. 7.4CIAPCh. 7.9 - Is the yield of SO3 at equilibrium favored by a...Ch. 7.9 - Prob. 7.16PCh. 7.9 - Prob. 7.17PCh. 7 - What are the signs of H, S, and G for the...Ch. 7 - Prob. 7.19UKCCh. 7 - Prob. 7.20UKCCh. 7 - Two curves are shown in the following energy...Ch. 7 - Prob. 7.22UKCCh. 7 - Prob. 7.23APCh. 7 - Prob. 7.24APCh. 7 - Prob. 7.25APCh. 7 - Prob. 7.26APCh. 7 - Acetylene (H C C H) is the fuel used in welding...Ch. 7 - Prob. 7.28APCh. 7 - Prob. 7.29APCh. 7 - Prob. 7.30APCh. 7 - Prob. 7.31APCh. 7 - Prob. 7.32APCh. 7 - Prob. 7.33APCh. 7 - Prob. 7.34APCh. 7 - Why are most spontaneous reactions exothermic?Ch. 7 - Prob. 7.36APCh. 7 - Prob. 7.37APCh. 7 - Prob. 7.38APCh. 7 - Prob. 7.39APCh. 7 - Prob. 7.40APCh. 7 - Prob. 7.41APCh. 7 - Prob. 7.42APCh. 7 - Prob. 7.43APCh. 7 - Prob. 7.44APCh. 7 - Prob. 7.45APCh. 7 - Prob. 7.46APCh. 7 - Prob. 7.47APCh. 7 - Prob. 7.48APCh. 7 - What is meant by the term chemical equilibrium?...Ch. 7 - Prob. 7.50APCh. 7 - Prob. 7.51APCh. 7 - Prob. 7.52APCh. 7 - Prob. 7.53APCh. 7 - Prob. 7.54APCh. 7 - Use your answer from Problem 7.53 to calculate the...Ch. 7 - Use your answer from Problem 7.54 to calculate the...Ch. 7 - Prob. 7.57APCh. 7 - Prob. 7.58APCh. 7 - Prob. 7.59APCh. 7 - Prob. 7.60APCh. 7 - Prob. 7.61APCh. 7 - Prob. 7.62APCh. 7 - Prob. 7.63APCh. 7 - Prob. 7.64APCh. 7 - Prob. 7.65APCh. 7 - Prob. 7.66APCh. 7 - For the unbalanced combustion reaction shown, 1...Ch. 7 - Prob. 7.68CPCh. 7 - Prob. 7.69CPCh. 7 - Prob. 7.70CPCh. 7 - Urea is a metabolic waste product that decomposes...Ch. 7 - Prob. 7.72CPCh. 7 - Prob. 7.73CPCh. 7 - Methanol, CH3OH, is used as race car fuel. (a)...Ch. 7 - Prob. 7.75CPCh. 7 - Prob. 7.76CPCh. 7 - Prob. 7.77CPCh. 7 - Prob. 7.78GPCh. 7 - Prob. 7.79GPCh. 7 - Prob. 7.80GP
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- The oxidation of glucose to CO2 and water is a major source of energy in aerobic organisms. It is a reaction favored mainly by a large negative enthalpy change. C6H12O6(s) + 6O2(g) →6CO2(g) + 6H2O(l) ∆H° = -2816 kJ/mol ∆S ° = +181 J/mol . K (a) At 37 °C, what is the value for ∆G°? (b) In the overall reaction of aerobic metabolism of glucose, 32 moles of ATP are produced from ADP for every mole of glucose oxidized. Calculate the standard state free energy change for the overall reaction when glucose oxidation is coupled to the formation of ATP at 37 °C. (c) What is the efficiency of the process in terms of the percentage of the available free energy change captured in ATP?arrow_forward< In the following reaction, what quantity in moles of CH3OH are required to give off 4901 kJ of heat? 1 4 7 +/- 2 CH3OH (1) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g) AH° = -1280. KJ 2 Question 13 of 25 LO 5 8 mol Submit 3 6 9 O Tap here or pull up for additional resources X C x 100arrow_forwardThe standard free energy (or AG") for the reaction ATP + H₂O → ADP + P₁ is: OA) -30.5 kJ/mol B) +45.6 kJ/mol OC) +30.5 kJ/mol D) -7.3 kJ/mol OE) +7.3 kJ/molarrow_forward
- The decomposition of crystalline N2O5 N2O5(s) → 2NO2(g) + 1/2O2(g) is an example of a reaction that is thermodynamically favored, even though it absorbs heat. At 25 °C we have the following values for the standard state enthalpy and free energy changes of the reaction: ∆H° = +109.6 kJ/mol ∆G° = -30.5 kJ/mol (a) Calculate ∆S ° at 25 °C. (b) Why is the entropy change so favorable for this reaction?arrow_forwardCalculate the equilibrium constant for the reaction glucose-1-phosphate + H2O → glucose + H2PO4− at pH 7.0 and 25°C (ΔG°′ = −20.9 kJ · mol−1).arrow_forwardThe reaction CO (g) + H2O(g) CO2(g) 2 + H2(g) has ΔH = -41 kJ/mol. Does the amount of H2 in an equilibrium mixture increase or decrease when the temperature is decreased?arrow_forward
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