Organic Chemistry
5th Edition
ISBN: 9780078021558
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 6, Problem 6.35P
Calculate
a)
b)
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O—CH,CH,CH
HBr
Calculate AH for the reaction
NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g), from the
following data.
N2 (g) + O2 (g) → 2 NO (g)
ΔΗ
- 180.5 kJ
/ mol
N2 (g) + 3 H2 (g) → 2 NH3 (g)
/mol
AH =
- 91. 8 kJ
2 H2 (g) + O2 (g) → 2 H20 (g)
AH
ΔΗ-
- 483. 6 kJ
/ mol
The reaction that was on the screen when you started and its derivative demonstrate that the reaction enthalpy, ΔH, changes sign when a process is reversed.
Consider the reaction
H2O(l)→H2O(g), ΔH =44.0kJ
What will ΔH be for the reaction if it is reversed?
Chapter 6 Solutions
Organic Chemistry
Ch. 6 - Problem 6.1 Classify each transformation as...Ch. 6 - Prob. 6.2PCh. 6 - Problem 6.3 By taking into account...Ch. 6 - Problem 6.4 Use curved arrows to show the movement...Ch. 6 - Problem 6.5 Follow the curved arrows and draw the...Ch. 6 - Prob. 6.6PCh. 6 - Problem 6.7 Use the values in Table 6.2 to...Ch. 6 - Prob. 6.8PCh. 6 - aWhich Keq corresponds to a negative value of G,...Ch. 6 - Given each of the following values, is the...
Ch. 6 - Given each of the following values, is the...Ch. 6 - The equilibrium constant for the conversion of the...Ch. 6 - Prob. 6.13PCh. 6 - For a reaction with H=40kJ/mol, decide which of...Ch. 6 - For a reaction with H=20kJ/mol, decide which of...Ch. 6 - Draw an energy diagram for a reaction in which the...Ch. 6 - Prob. 6.17PCh. 6 - Prob. 6.18PCh. 6 - Problem 6.19 Consider the following energy...Ch. 6 - Draw an energy diagram for a two-step reaction,...Ch. 6 - Which value if any corresponds to a faster...Ch. 6 - Prob. 6.22PCh. 6 - Problem 6.23 For each rate equation, what effect...Ch. 6 - Prob. 6.24PCh. 6 - Identify the catalyst in each equation. a....Ch. 6 - Draw the products of homolysis or heterolysis of...Ch. 6 - Explain why the bond dissociation energy for bond...Ch. 6 - Classify each transformation as substitution,...Ch. 6 - Prob. 6.29PCh. 6 - 6.30 Draw the products of each reaction by...Ch. 6 - 6.31 (a) Add curved arrows for each step to show...Ch. 6 - Prob. 6.32PCh. 6 - Prob. 6.33PCh. 6 - Prob. 6.34PCh. 6 - Calculate H for each reaction. a HO+CH4CH3+H2O b...Ch. 6 - Homolysis of the indicated CH bond in propene...Ch. 6 - Prob. 6.37PCh. 6 - Prob. 6.38PCh. 6 - 6.39. a. Which value corresponds to a negative...Ch. 6 - Prob. 6.40PCh. 6 - For which of the following reaction is S a...Ch. 6 - Prob. 6.42PCh. 6 - Prob. 6.43PCh. 6 - 6.44 Consider the following reaction: .
Use curved...Ch. 6 - Prob. 6.45PCh. 6 - Draw an energy diagram for the Bronsted-Lowry...Ch. 6 - Prob. 6.47PCh. 6 - Indicate which factors affect the rate of a...Ch. 6 - Prob. 6.49PCh. 6 - 6.50 The conversion of acetyl chloride to methyl...Ch. 6 - Prob. 6.51PCh. 6 - Prob. 6.52PCh. 6 - The conversion of (CH3)3Cl to (CH3)2C=CH2 can...Ch. 6 - 6.54 Explain why is more acidic than , even...Ch. 6 - Prob. 6.55PCh. 6 - Prob. 6.56PCh. 6 - Prob. 6.57PCh. 6 - Although Keq of equation 1 in problem 6.57 does...Ch. 6 - Prob. 6.59P
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- Enter your answer in the provided box. You are given the following data: H,(g) → 2H(g) AH° = 436.4 kJ/mol Br2(g) → 2Br(g) AH° = 192.5 kJ/mol H;(g) + Br2(g) → 2HB1(g) AH° = -72.4 kJ/mol Calculate AH for the reaction H(g) + Br(g) → HBr(g) kJ/molarrow_forwardCalculate the heat of reaction, ▲H°, for this conversion.arrow_forwardCalculate AH for the reaction: 2NH3 (g) + O2(g) → N2H4 (1) + H2O(1) given the following data: 2NH3 (g) + 3N20(g) → 4N2(g) + 3H2O(1) AH = –1010. kJ N20(g) + 3H2 (9) → N¿H4(1)+H2O(1) AH = -317 kJ N2H4 (1) + O2 (g) → N2(g)+ 2H2O(1) AH = -623 kJ H2 (9) + 02 (9) → H2O(1) AH = -286 kJ ΔΗ - kJarrow_forward
- Complete the following reaction. A A B D ΘΗ B H2 CH3 KMnO4 H₂O, heat OH HO OH CH3 .CH CH3 D H2arrow_forwardFor each of the following reactions, draw the enthalpy diagram showing the relative energy state of reactants and products. i). SO2 (g) → S(s)+ O2 (g) ΔH = +296 kJ ii). 2 C2H2 (g) + 5 O2 (g) → 4 CO2 (g) + 2 H2O(l) ΔH = -2598.8 kJarrow_forwardCalculate the heat energy (ΔHreaction) produced when 1 mole of ethanol burns to produce CO2 and H2O as given below: C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l)arrow_forward
- The enthalpy (or heat) of combustion of acetone, (CH3)2CO, is - 1657.8 kJ. The reaction is (CH3)2CO (1) +4 0₂ (g) →3 CO₂(g) + 3 H₂O (g). Given the values of AH-393.5 kJ/mol for CO₂ (g) and AH-241.8 kJ/mol for H₂O(g), the calculated value of AH; for acetone O equals - 3563.7 kJ/mol O equals - 1022.5 kJ/mol O equals-248.1 kJ/mol O equals 1202.7 kJ/molarrow_forwardUse the set of three reactions shown below to answer the questions that follow.2NO(g) + O2(g) → 2NO2(g) ΔH = -116 kJ2N2(g) + 5O2(g) + 2H2O(l) → 4HNO3(aq) ΔH = -256 kJN2(g) + O2(g) → 2NO(g) ΔH = +183 kJIf 49.9 g of NO g is reacted with excess oxygen, how much heat energy is produced? What mass of liquid water will be consumed during the production of 30100 J of energy assuming that there is excess nitrogen and oxygen? Determine the heat of reaction in kJ for the reaction below.3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) ΔH =arrow_forwardUse the set of three reactions shown below to answer the questions that follow.2NO(g) + O2(g) → 2NO2(g) ΔH = -116 kJ2N2(g) + 5O2(g) + 2H2O(l) → 4HNO3(aq) ΔH = -256 kJN2(g) + O2(g) → 2NO(g) ΔH = +183 kJ If 35.5 g of NO g is reacted with excess oxygen, how much heat energy is produced?arrow_forward
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