General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 8, Problem 8.115CHP
Metallic mercury is obtained by heating the mineral cinnabar (HgS) in air:
- (a) Use the data in Appendix B to calculate ΔH° in kilojoules for the reaction.
- (b) The entropy change for the reaction is ΔS° = +36.7 J/K. Is the reaction spontaneous at 25 °C?
- (c) Under what conditions, if any, is the reaction nonspontaneous? Explain.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
>
each pair of substrates below, choose the one that will react faster in a substitution reaction, assuming that:
1. the rate of substitution doesn't depend on nucleophile concentration and
2. the products are a roughly 50/50 mixture of enantiomers.
Substrate A
Substrate B
Faster Rate
X
Ś
CI
(Choose one)
(Choose one)
CI
Br
Explanation
Check
Br
(Choose one)
© 2025 McGraw Hill LLC. All Rights F
NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at
4.1 ppm? Select the single best answer.
The
H
O
HỌC—C—0—CH, CH,
2
A
ethyl acetate
H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm
Check
OA
B
OC
ch
B
C
Save For Later
Submit Ass
© 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |
How many signals do you expect in the H NMR spectrum for this molecule?
Br Br
Write the answer below.
Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H
atoms that would contribute to the same signal as the H already highlighted red
Note for advanced students: In this question, any multiplet is counted as one signal.
1
Number of signals in the 'H NMR spectrum.
For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to
the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
Check
For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute
to the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
O
✓
No additional Hs to color in top
molecule
ง
No additional Hs to color in bottom…
Chapter 8 Solutions
General Chemistry: Atoms First
Ch. 8.2 - Which of the following are state functions, and...Ch. 8.3 - Calculate the work in kilojoules done during a...Ch. 8.3 - How much work is done in kilojoules, and in which...Ch. 8.4 - The following reaction has E = 186 kJ/mol. (a) Is...Ch. 8.5 - Assuming that Coca Cola has the same specific heat...Ch. 8.5 - What is the specific heat of lead if it takes 97.2...Ch. 8.5 - When 25.0 mL of 1.0 M H2SO4 is added to 50.0 mL of...Ch. 8.6 - The reaction between hydrogen and oxygen to yield...Ch. 8.6 - The explosion of 2.00 mol of solid trinitrotoluene...Ch. 8.7 - How much heat in kilojoules is evolved or absorbed...
Ch. 8.7 - Nitromethane (CH3NO2), sometimes used as a fuel in...Ch. 8.8 - The industrial degreasing solvent methylene...Ch. 8.8 - The reaction of A with B to give D proceeds in two...Ch. 8.8 - Draw a Hesss law diagram similar to that in...Ch. 8.9 - Use the information in Table 8.2 to calculate H in...Ch. 8.9 - Use the information in Table 8.2 to calculate H in...Ch. 8.10 - Use the data in Table 8.3 to calculate an...Ch. 8.10 - Use the data in Table 8.3 to calculate an...Ch. 8.11 - Liquid butane (C4H10), the fuel used in many...Ch. 8.12 - Ethane, C2H6, can be prepared by the reaction of...Ch. 8.12 - Is the reaction represented in the following...Ch. 8.12 - Which of the following reactions are spontaneous...Ch. 8.12 - Is the Haber process for the industrial synthesis...Ch. 8.12 - The following reaction is exothermic: (a) Write a...Ch. 8.12 - Write balanced equations for the combustion...Ch. 8.12 - Biodiesel has a more favorable (more negative)...Ch. 8 - The following reaction is exothermic: (a) Write a...Ch. 8 - Imagine a reaction that results in a change in...Ch. 8 - Redraw the following diagram to represent the...Ch. 8 - Prob. 8.30CPCh. 8 - Prob. 8.31CPCh. 8 - A reaction is carried out in a cylinder fitted...Ch. 8 - The following drawing portrays a reaction of the...Ch. 8 - Prob. 8.34CPCh. 8 - The following reaction of A3 molecules is...Ch. 8 - Prob. 8.36SPCh. 8 - What is internal energy?Ch. 8 - Prob. 8.38SPCh. 8 - Assume that the kinetic energy of a 1400 kg car...Ch. 8 - Prob. 8.40SPCh. 8 - The addition of H2 to CC double bonds is an...Ch. 8 - Prob. 8.42SPCh. 8 - Prob. 8.43SPCh. 8 - Prob. 8.44SPCh. 8 - Prob. 8.45SPCh. 8 - Prob. 8.46SPCh. 8 - Does a measurement carried out in a bomb...Ch. 8 - Prob. 8.48SPCh. 8 - Prob. 8.49SPCh. 8 - Prob. 8.50SPCh. 8 - When 0.187 g of benzene, C6H6, is burned in a bomb...Ch. 8 - When a solution containing 8.00 g of NaOH in 50.0...Ch. 8 - Prob. 8.53SPCh. 8 - Prob. 8.54SPCh. 8 - Prob. 8.55SPCh. 8 - Prob. 8.56SPCh. 8 - Prob. 8.57SPCh. 8 - Prob. 8.58SPCh. 8 - Prob. 8.59SPCh. 8 - Prob. 8.60SPCh. 8 - Prob. 8.61SPCh. 8 - Used in welding metals, the reaction of acetylene...Ch. 8 - Prob. 8.63SPCh. 8 - The familiar ether used as an anesthetic agent is...Ch. 8 - How much energy in kilojoules is required to...Ch. 8 - Prob. 8.66SPCh. 8 - Prob. 8.67SPCh. 8 - Prob. 8.68SPCh. 8 - Prob. 8.69SPCh. 8 - Prob. 8.70SPCh. 8 - Prob. 8.71SPCh. 8 - Prob. 8.72SPCh. 8 - Prob. 8.73SPCh. 8 - Prob. 8.74SPCh. 8 - Prob. 8.75SPCh. 8 - Prob. 8.76SPCh. 8 - Prob. 8.77SPCh. 8 - Prob. 8.78SPCh. 8 - Prob. 8.79SPCh. 8 - Prob. 8.80SPCh. 8 - Prob. 8.81SPCh. 8 - Styrene (C8H8), the precursor of polystyrene...Ch. 8 - Prob. 8.83SPCh. 8 - Prob. 8.84SPCh. 8 - Prob. 8.85SPCh. 8 - Prob. 8.86SPCh. 8 - Prob. 8.87SPCh. 8 - Use the bond dissociation energies in Table 8.3 on...Ch. 8 - Use the bond dissociation energies in Table 8.3 to...Ch. 8 - Prob. 8.90SPCh. 8 - Prob. 8.91SPCh. 8 - Prob. 8.92SPCh. 8 - Prob. 8.93SPCh. 8 - Prob. 8.94SPCh. 8 - Prob. 8.95SPCh. 8 - Prob. 8.96SPCh. 8 - Prob. 8.97SPCh. 8 - Prob. 8.98SPCh. 8 - Prob. 8.99SPCh. 8 - Prob. 8.100SPCh. 8 - Prob. 8.101SPCh. 8 - Prob. 8.102SPCh. 8 - Tell whether reactions with the following values...Ch. 8 - Prob. 8.104SPCh. 8 - Prob. 8.105SPCh. 8 - Prob. 8.106SPCh. 8 - Prob. 8.107SPCh. 8 - Prob. 8.108SPCh. 8 - Prob. 8.109SPCh. 8 - When 1.50 g of magnesium metal is allowed to react...Ch. 8 - Use the data in Appendix B to find standard...Ch. 8 - Prob. 8.112CHPCh. 8 - The boiling point of a substance is defined as the...Ch. 8 - What is the melting point of benzene in kelvin if...Ch. 8 - Metallic mercury is obtained by heating the...Ch. 8 - Prob. 8.116CHPCh. 8 - Methanol (CH3OH) is made industrially in two steps...Ch. 8 - Isooctane, C8H18, is the component of gasoline...Ch. 8 - We said in Section 8.1 that the potential energy...Ch. 8 - For a process to be spontaneous, the total entropy...Ch. 8 - Set up a Hesss law cycle, and use the following...Ch. 8 - Prob. 8.122CHPCh. 8 - Prob. 8.123CHPCh. 8 - Prob. 8.124CHPCh. 8 - Citric acid has three dissociable hydrogens. When...Ch. 8 - Prob. 8.126CHPCh. 8 - Imagine that you dissolve 10.0 g of a mixture of...Ch. 8 - Prob. 8.128CHPCh. 8 - Prob. 8.129MPCh. 8 - Phosgene, COCl2(g), is a toxic gas used as an...Ch. 8 - Prob. 8.131MPCh. 8 - (a) Write a balanced equation for the reaction of...Ch. 8 - Prob. 8.133MPCh. 8 - Reaction of gaseous fluorine with compound X...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- in the kinetics experiment, what were the values calculated? Select all that apply.a) equilibrium constantb) pHc) order of reactiond) rate contstantarrow_forwardtrue or false, given that a 20.00 mL sample of NaOH took 24.15 mL of 0.141 M HCI to reach the endpoint in a titration, the concentration of the NaOH is 1.17 M.arrow_forwardin the bromothymol blue experiment, pKa was measured. A closely related compound has a Ka of 2.10 x 10-5. What is the pKa?a) 7.1b) 4.7c) 2.0arrow_forward
- calculate the equilibrium concentration of H2 given that K= 0.017 at a constant temperature for this reaction. The inital concentration of HBr is 0.050 M.2HBr(g) ↔ H2(g) + Br2(g)a) 4.48 x 10-2 M b) 5.17 x 10-3 Mc) 1.03 x 10-2 Md) 1.70 x 10-2 Marrow_forwardtrue or falsegiven these two equilibria with their equilibrium constants:H2(g) + CI2(l) ↔ 2HCI(g) K= 0.006 CI2(l) ↔ CI2(g) K= 0.30The equilibrium contstant for the following reaction is 1.8H2(g) + CI2 ↔ 2HCI(g)arrow_forwardI2(g) + CI2(g) ↔ 2ICIK for this reaction is 81.9. Find the equilibrium concentration of I2 if the inital concentration of I2 and CI2 are 0.010 Marrow_forward
- true or false,the equilibrium constant for this reaction is 0.50.PCI5(g) ↔ PCI3(g) + CI2(g)Based on the above, the equilibrium constant for the following reaction is 0.25.2PCI5(g) ↔. 2PCI3(g) + 2CI2(g)arrow_forwardtrue or false, using the following equilibrium, if carbon dioxide is added the equilibrium will shift toward the productsC(s) + CO2(g) ↔ 2CO(g)arrow_forward2S2O2/3- (aq) + I2 (aq) ---> S4O2/6- (aq) +2I- (aq) Experiment I2 (M) S2O3- (M) Initital Rate (M/s) 1 0.01 0.01 0.0004 2 0.01 0.02 0.0004 3 0.02 0.01 0.0008 Calculate the overall order for this reaction using the table data a) 3b) 0c) 2d) 1arrow_forward
- the decomposition of N2O5 is the first order with a half-life of 1.98 minutes. If the inital concentration of N2O5 is 0.200 M, what is the concentration after 6 minutes?a) 0.612 Mb) 0.035 Mc) 0.024 Md) 0.100 Marrow_forward20.00 mL of 0.150 M HCI is titrated with 0.075 M NaOH. What volume of NaOH is needed?a) 50 mLb) 20 mLc) 40 mLd) 26.66 mLarrow_forward20.00 mL of 0.150 M NaOH is titrated with 37.75 mL of HCI. What is the molarity of the HCI?a) 0.150 Mb) 0.079 Mc) 0.025 Md) 0.050 Marrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
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:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Chemistry for Today: General, Organic, and Bioche...
Chemistry
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
The Laws of Thermodynamics, Entropy, and Gibbs Free Energy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8N1BxHgsoOw;License: Standard YouTube License, CC-BY