Chemistry
3rd Edition
ISBN: 9780073402734
Author: Julia Burdge
Publisher: MCGRAW-HILL HIGHER EDUCATION
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 5, Problem 77AP
Interpretation Introduction
Interpretation:
The standard enthalpy of formation is to be calculated.
Concept introduction:
The standard enthalpy for a reaction is the amount of enthalpy that occursunderstandard conditions.
The standard enthalpy of a reaction is determined by using the equation given below:
Here, the
The value of the enthalpy of formation of an element is zero at its most stable state.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 5 Solutions
Chemistry
Ch. 5.1 - Practice Problem ATTEMPT
(a) Calculate the energy...Ch. 5.1 - Practice Problem BUILD
(a) Calculate the velocity...Ch. 5.1 - Prob. 1PPCCh. 5.1 - Prob. 1CPCh. 5.1 - How much greater is the electrostatic potential...Ch. 5.1 - Prob. 3CPCh. 5.1 - 5.1.4 The label on packaged food indicates that it...Ch. 5.1 - 5.1.5 Arrange the following pairs of charged...Ch. 5.1 - Prob. 6CPCh. 5.2 - Practice Problem ATTEMPT
Calculate the change in...
Ch. 5.2 - Practice ProblemBUILD Calculate the magnitude of q...Ch. 5.2 - Prob. 1PPCCh. 5.2 - Calculate the overall change in internal energy...Ch. 5.2 - Calculate w, and determine whether work is done by...Ch. 5.2 - Prob. 3CPCh. 5.2 - Prob. 4CPCh. 5.3 - Prob. 1PPACh. 5.3 - Prob. 1PPBCh. 5.3 - Prob. 1PPCCh. 5.3 - Given the thermochemical equation: H 2 ( g ) + Br...Ch. 5.3 - Given the thermochemical equation: 2Cu 2 O ( s ) →...Ch. 5.4 - Prob. 1PPACh. 5.4 - Prob. 1PPBCh. 5.4 - Prob. 1PPCCh. 5.4 - Prob. 1CPCh. 5.4 - Prob. 2CPCh. 5.4 - Prob. 3CPCh. 5.4 - 5.4.4 Quantities of 50.0 mL of 1.00 M HCl and 50.0...Ch. 5.5 - Prob. 1PPACh. 5.5 - Prob. 1PPBCh. 5.5 - Prob. 1PPCCh. 5.5 - Prob. 1CPCh. 5.5 - Prob. 2CPCh. 5.6 - Prob. 1PPACh. 5.6 - Prob. 1PPBCh. 5.6 - Prob. 1PPCCh. 5.6 - Prob. 1CPCh. 5.6 - Prob. 2CPCh. 5.6 - Prob. 3CPCh. 5.6 - Prob. 4CPCh. 5.7 - Prob. 1PPACh. 5.7 - Prob. 1PPBCh. 5.7 - Prob. 1PPCCh. 5.8 - Prob. 1PPACh. 5.8 - Prob. 1PPBCh. 5.8 - Practice ProblemCONCEPTUALIZE The diagrams...Ch. 5.9 - Practice ProblemATTEMPT Use the following data to...Ch. 5.9 - Prob. 1PPBCh. 5.9 - Prob. 1PPCCh. 5 - Using data from Appendix 2, calculate the standard...Ch. 5 - Prob. 2KSPCh. 5 - Prob. 3KSPCh. 5 - Using only whole-number coefficients, the...Ch. 5 - Prob. 1QPCh. 5 - Prob. 2QPCh. 5 - Prob. 3QPCh. 5 - 5.4 A truck initially trawling at 60 km/h is...Ch. 5 - These are various forms of energy: chemical, heat,...Ch. 5 - 5.6 Define these terms: thermochemistry,...Ch. 5 - 5.7 Stoichiometry is based on the law of...Ch. 5 - Prob. 8QPCh. 5 - Decomposition reactions are usually endothermic,...Ch. 5 - Prob. 10QPCh. 5 - Prob. 11QPCh. 5 - Prob. 12QPCh. 5 - Prob. 13QPCh. 5 - Prob. 14QPCh. 5 - Prob. 15QPCh. 5 - Prob. 16QPCh. 5 - Prob. 17QPCh. 5 - Use the following diagrams for Problems 5.17 and...Ch. 5 - Consider these changes. (a) Hg ( t ) → Hg ( g )...Ch. 5 - Prob. 20QPCh. 5 - Prob. 21QPCh. 5 - 5.22 Explain the meaning of this thermochemical...Ch. 5 - Consider this reaction: 2 CH 3 OH ( l ) + 3 O 2 (...Ch. 5 - Prob. 24QPCh. 5 - Prob. 25QPCh. 5 - Prob. 26QPCh. 5 - Prob. 27QPCh. 5 - Prob. 28QPCh. 5 - Prob. 29QPCh. 5 - Prob. 30QPCh. 5 - Prob. 31QPCh. 5 - For most biological processes, the changes in...Ch. 5 - Prob. 33QPCh. 5 - 5.34 Define calorimetry and describe two commonly...Ch. 5 - A 6.22-kg piece of copper metal is heated from 20...Ch. 5 - Prob. 36QPCh. 5 - Prob. 37QPCh. 5 - A 0.1375-g sample of solid magnesium is burned in...Ch. 5 - A quantity of 2 .00 × 10 2 mL of 0 .862 M HCl is...Ch. 5 - 5.40 A 50.75 g sample of water at is added to a...Ch. 5 - A 25.95-g sample of methanol at 35 .6°C is added...Ch. 5 - A piece of silver with a mass of 362 g has a heat...Ch. 5 - Prob. 43QPCh. 5 - Consider the following data: Metal Al Cu Mass(g)...Ch. 5 - Prob. 45QPCh. 5 - Prob. 46QPCh. 5 - Prob. 47QPCh. 5 - Prob. 48QPCh. 5 - Prob. 49QPCh. 5 - Prob. 50QPCh. 5 - 5.57 Determine the value of for the following...Ch. 5 - Prob. 52QPCh. 5 - Prob. 53QPCh. 5 - Prob. 54QPCh. 5 - Prob. 55QPCh. 5 - Prob. 56QPCh. 5 - Prob. 57QPCh. 5 - Prob. 58QPCh. 5 - Prob. 59QPCh. 5 - Prob. 60QPCh. 5 - Prob. 61QPCh. 5 - Prob. 62QPCh. 5 - Prob. 63QPCh. 5 - Prob. 64QPCh. 5 - Prob. 65QPCh. 5 - Prob. 66QPCh. 5 - Prob. 67QPCh. 5 - Prob. 68QPCh. 5 - Pentaborane - 9 ( B 5 H 9 ) is a colorless, highly...Ch. 5 - Prob. 70QPCh. 5 - Prob. 71QPCh. 5 - Prob. 72QPCh. 5 - Prob. 73QPCh. 5 - Prob. 74QPCh. 5 - Prob. 75APCh. 5 - Prob. 76APCh. 5 - Prob. 77APCh. 5 - Prob. 78APCh. 5 - Prob. 79APCh. 5 - Prob. 80APCh. 5 - Prob. 81APCh. 5 - Prob. 82APCh. 5 - Ethanol ( C 2 H 5 OH ) and gasoline (assumed to be...Ch. 5 - Prob. 84APCh. 5 - The heat of vaporization of a liquid ( Δ H vap )...Ch. 5 - Prob. 86APCh. 5 - Prob. 87APCh. 5 - Prob. 88APCh. 5 - Prob. 89APCh. 5 - Prob. 90APCh. 5 - 5.97 The enthalpy of combustion of benzoic add is...Ch. 5 - 5.98 At , the standard enthalpy of formation of...Ch. 5 - From the enthalpy of formation for CO, and the...Ch. 5 - In the nineteenth century, two scientists named...Ch. 5 - Prob. 95APCh. 5 - Prob. 96APCh. 5 - Prob. 97APCh. 5 - A quantity of 85 .0 mL of 0 .600 M HCl is mixed...Ch. 5 - Prob. 99APCh. 5 - Prob. 100APCh. 5 - A 4.117-g impure sample of glucose (C 4 H 12 O 6 )...Ch. 5 - Prob. 102APCh. 5 - In a constant-pressure calorimetry experiment, a...Ch. 5 - Prob. 104APCh. 5 - Give an example for each of the following...Ch. 5 - Prob. 106APCh. 5 - Prob. 107APCh. 5 - 5.114 A 3.52-g sample of ammonium nitrate was...Ch. 5 - 5.115 A quantity of is mixed with in a...Ch. 5 - Prob. 110APCh. 5 - Prob. 111APCh. 5 - Prob. 112APCh. 5 - Prob. 113APCh. 5 - Prob. 114APCh. 5 - 5.121 A gas company in Massachusetts charges 27...Ch. 5 - Prob. 116APCh. 5 - For reactions in condensed phases ( liquids and...Ch. 5 - Prob. 118APCh. 5 - Prob. 119APCh. 5 - The so-called hydrogen economy is based on...Ch. 5 - Prob. 121APCh. 5 - 5.128 Calculate the standard enthalpy change for...Ch. 5 - Prob. 123APCh. 5 - Prob. 124APCh. 5 - Why are cold, damp air and hot, humid air more...Ch. 5 - A woman expends 95 kJ of energy walking a...Ch. 5 - The carbon dioxide exhaled by sailors in a...Ch. 5 - Prob. 128APCh. 5 - Acetylene ( C 2 H 2 ) can be made by combining...Ch. 5 - (a) A person drinks four glasses of cold water ( 3...Ch. 5 - Both glucose and fructose are simple sugars with...Ch. 5 - Prob. 132APCh. 5 - Prob. 133APCh. 5 - Prob. 134APCh. 5 - Prob. 135APCh. 5 - Prob. 136APCh. 5 - 5.143 Hydrazine decomposes to form ammonia and...Ch. 5 - Prob. 138APCh. 5 - Prob. 1SEPPCh. 5 - What is the heat capacity ( C v ) of the...Ch. 5 - What is the energy content of the food? a) 22 .8...Ch. 5 - 4. What would be the effect on the result if the...
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
- Insoluble PbBr2(s) precipitates when solutions of Pb(NO3)2(aq) and NaBr(aq) are mixed. Pb(NO3)2(aq) + 2 NaBr(aq) PbBr2(s) + 2 NaNO3(aq) rH = ? To measure the enthalpy change, 200. mL. of 0.75 M Pb(NO3)2(aq) and 200. mL of 1.5 M NaBr(aq) are mixed in a coffee-cup calorimeter. The temperature of the mixture rises by 2.44 C. Calculate the enthalpy change for the precipitation of PbBr2(s), in kJ/mol. (Assume the density of the solution is 1.0 g/mL., and its specific heat capacity is 4.2 J/g K.)arrow_forwardWhen lightning strikes, the energy can force atmospheric nitrogen and oxygen to react to make NO: N2(g)+O2(g)2NO(g)H=+181.8kJ (a) Is this reaction endothermic or exothermic? (b) What quantities of reactants and products are assumed if H = +181.8 kJ? (c) What is the enthalpy change when 3.50 g nitrogen is reacted with excess O2(g)?arrow_forwardChlorine dioxide, ClO2, is a reddish yellow gas used in bleaching paper pulp. The average speed of a ClO2 molecule at 25C is 306 m/s. What is the kinetic energy (in joules) of a ClO2 molecule moving at this speed?arrow_forward
- One step in the manufacturing of sulfuric acid is the conversion of SO2(g) to SO3(g). The thermochemical equation for this process is SO2(g)+12O2(g)SO3(g)H=98.9kJ The second step combines the SO3 with H2O to make H2SO4. (a) Calculate the enthalpy change that accompanies the reaction to make 1.00 kg SO3(g). (b) Is heat absorbed or released in this process?arrow_forwardThe standard enthalpy of formation of solid barium oxide, BaO, is 553.5 kJ/mol, and the standard enthalpy of formation of barium peroxide, BaO2, is 634.3 kJ/mol. (a) Calculate the standard enthalpy change for the following reaction. Is the reaction exothermic or endothermic? 2 BaO2(s) 2 BaO(s) + O2(g) (b) Draw an energy level diagram that shows the relationship between the enthalpy change of the decomposition of BaO2, to BaO and O2, and the enthalpies of formation of BaO2(s) and BaO2(s).arrow_forwardA piece of lead of mass 121.6 g was heated by an electrical coil. From the resistance of the coil, the current, and the Time the current flowed, it was calculated that 235 J of heat was added to the lead. The temperature of the lead rose from 20.4C to 35.5C. What is the specific heat of the lead?arrow_forward
- Using the data in Appendix G, calculate the standard enthalpy change for each of the following reactions: (a) Si(s)+2F2(g)SiF4(g) (b) 2C(s)+2H2(g)+O2(g)CH3CO2H(l) (c) CH4(g)+N2(g)HCN(g)+NH3(g) ; (d) CS2(g)+3Cl2(g)CCl4(g)+S2Cl2(g)arrow_forwardThe Romans used calcium oxide, CaO, to produce a strong mortar to build stone structures. Calcium oxide was mixed with water to give Ca(OH)2, which reacted slowly with CO2 in the air to give CaCO3. Ca(OH)2(s) + CO2(g) CaCO3(s) + H2O(g) (a) Calculate the standard enthalpy change for this reaction. (b) How much energy is evolved or absorbed as heat if 1.00 kg of Ca(OH)2 reacts with a stoichiometric amount of CO2?arrow_forwardThe enthalpy change for the following reaction is 393.5 kJ. C(s,graphite)+O2(g)CO2(g) (a) Is energy released from or absorbed by the system in this reaction? (b) What quantities of reactants and products are assumed? (c) Predict the enthalpy change observed when 3.00 g carbon burns in an excess of oxygen.arrow_forward
- As the gas trapped in a cylinder with a movable piston cools, 1.34 kJ of work is done on the gas by the surroundings. If the gas is at a constant pressure of 1.33 105 Pa, what is the change of volume (in L) of the gas?arrow_forwardThe thermochemical equation for the burning of methane, the main component of natural gas, is CH4(g)+2O2(g)CO2(g)+2H2O(l)H=890kJ (a) Is this reaction endothermic or exothermic? (b) What quantities of reactants and products are assumed if H = 890 kJ? (c) What is the enthalpy change when 1.00 g methane burns in an excess of oxygen?arrow_forwardWhen solid iron burns in oxygen gas (at constant pressure) to produce Fe2O3(s), 1651 kJ of heat is released for every 4 mol of iron burned. How much heat is released when 10.3 g Fe2O3(s) is produced (at constant pressure)? What additional information would you need to calculate the heat released to produce this much Fe2O3(s) if you burned iron in ozone gas, O3(g), instead of O2(g)?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStaxChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningGeneral 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 by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher: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
Calorimetry Concept, Examples and Thermochemistry | How to Pass Chemistry; Author: Melissa Maribel;https://www.youtube.com/watch?v=nSh29lUGj00;License: Standard YouTube License, CC-BY