Introductory Chemistry: A Foundation
9th Edition
ISBN: 9781337399425
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 10, Problem 85CP
Interpretation Introduction
Interpretation:
Which among the given reactions is/are endothermic should be explained.
Concept Introduction:
An exothermic process is the one in which heat energy is produced whereas endothermic is process in which heat energy is absorbed.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
This is enthalpy
Q4: Calculate the enthalpy of the reactions below:
1. H;Om + CO2 (aq)
- H,CO3 (aa)
2. H;POalag) + 3OH,
→ 3H;0m + POaloa)
3. C;Ha (a) + 302 ()
→ 2H,06) + 2CO2 (9)
AHP of H,CO3 (oa) is -699.65 kJ/mole
c) Calculate the standard enthalpy change for the reaction
3C(s) + 4H2 (g)
C;H8 (g)
Given that
C(s) + O2 (g)
CO2 (g)
AH° = -394 kJmol·'
H2 (g) + ½O2 (g)
H2O (I)
AH° = -286 kJmol
C3H8 (g) + 502 (g)
3CO2 (g) + 4H2O (I) AH° = -2220 kJmol·'
Chapter 10 Solutions
Introductory Chemistry: A Foundation
Ch. 10.1 - at if energy were not conserved? How would this...Ch. 10.4 - u are calculating in a chemistry problem. What if...Ch. 10.5 - ercise 10.1 How many calories of energy correspond...Ch. 10.5 - ercise 10.2 Calculate the joules of energy...Ch. 10.5 - ercise 10.3 A 5.63-g sample of solid gold is...Ch. 10.5 - ercise 10.4 A 2.8-g sample of pure metal requires...Ch. 10.6 - Prob. 10.5SCCh. 10.7 - at if Hess’s law were not true? What are some...Ch. 10.7 - Prob. 10.6SCCh. 10.9 - Prob. 1CT
Ch. 10.10 - at if the first law of thermodynamics was true,...Ch. 10 - Prob. 1ALQCh. 10 - friend of yours reads that the process of water...Ch. 10 - ou place hot metal into a beaker of cold water. ol...Ch. 10 - Prob. 4ALQCh. 10 - Prob. 5ALQCh. 10 - xplain why aluminum cans make good storage...Ch. 10 - n Section 10.7, two characteristics of enthalpy...Ch. 10 - Prob. 8ALQCh. 10 - hat is meant by the term driving forces? Why are...Ch. 10 - Prob. 10ALQCh. 10 - Explain in your own words what is meant by the...Ch. 10 - Prob. 12ALQCh. 10 - What if energy was not conserved? How would this...Ch. 10 - The internal energy of a system is said to be the...Ch. 10 - Hydrogen gas and oxygen gas react violently to...Ch. 10 - Consider four 100.0-g samples of water, each in a...Ch. 10 - For each of the following situations ac. use the...Ch. 10 - Prob. 18ALQCh. 10 - Does the entropy of the system increase or...Ch. 10 - Prob. 20ALQCh. 10 - Prob. 1QAPCh. 10 - Prob. 2QAPCh. 10 - Prob. 3QAPCh. 10 - Prob. 4QAPCh. 10 - Prob. 5QAPCh. 10 - n Fig. 10.1, what kind of energy does ball A...Ch. 10 - Prob. 7QAPCh. 10 - f you spilled a cup of freshly brewed hot tea on...Ch. 10 - Prob. 9QAPCh. 10 - Prob. 10QAPCh. 10 - In studying heat flows for chemical processes,...Ch. 10 - When a chemical system evolves energy, where does...Ch. 10 - The combustion of methane, is an exothermic...Ch. 10 - Are the following processes exothermic or...Ch. 10 - What do we mean by thermodynamics? What is the...Ch. 10 - Prob. 16QAPCh. 10 - Prob. 17QAPCh. 10 - If q for a process is a positive number, then the...Ch. 10 - For an endothermic process, q will have a...Ch. 10 - A system absorbs 215 kJ of heat, and 116 kJ of...Ch. 10 - Prob. 21QAPCh. 10 - Prob. 22QAPCh. 10 - If 8.40 kJ of heat is needed to raise the...Ch. 10 - If it takes 654 J of energy to warm a 5.51-g...Ch. 10 - Prob. 25QAPCh. 10 - Prob. 26QAPCh. 10 - Covert the following numbers of kilojoules into...Ch. 10 - Prob. 28QAPCh. 10 - Prob. 29QAPCh. 10 - Prob. 30QAPCh. 10 - .5 kJ of heat is applied to a 1012-g block of...Ch. 10 - What quantity of heat energy must have en applied...Ch. 10 - If 125 J of heat energy is applied to a block of...Ch. 10 - If 100. J of heat energy is applied to a 25-g...Ch. 10 - What quantity of heat is required to raise the...Ch. 10 - Prob. 36QAPCh. 10 - The “Chemistry in Focus” segment Nature Has Hot...Ch. 10 - In the “Chemistry in Focus” segment Firewalking:...Ch. 10 - Prob. 39QAPCh. 10 - A _________ is a device used to determine the heat...Ch. 10 - The enthalpy change for the reaction of hydrogen...Ch. 10 - For the reaction kJ per mole of formed. Calculate...Ch. 10 - Prob. 43QAPCh. 10 - When ethanol (grain alcohol, is burned in oxygen,...Ch. 10 - Prob. 45QAPCh. 10 - Prob. 46QAPCh. 10 - Prob. 47QAPCh. 10 - Prob. 48QAPCh. 10 - Prob. 49QAPCh. 10 - Prob. 50QAPCh. 10 - Prob. 51QAPCh. 10 - Prob. 52QAPCh. 10 - Prob. 53QAPCh. 10 - Prob. 54QAPCh. 10 - Prob. 55QAPCh. 10 - Prob. 56QAPCh. 10 - Prob. 57QAPCh. 10 - Prob. 58QAPCh. 10 - Prob. 59QAPCh. 10 - Prob. 60QAPCh. 10 - If a reaction occurs readily but has an...Ch. 10 - Prob. 62QAPCh. 10 - Prob. 63QAPCh. 10 - Prob. 64QAPCh. 10 - Which of the following is an endothermic process?...Ch. 10 - Prob. 66APCh. 10 - Prob. 67APCh. 10 - Calculate the amount of energy required (in...Ch. 10 - If takes 1.25 kJ of energy to heat a certain...Ch. 10 - What quantity of heat energy would have to be...Ch. 10 - The specific heat capacity of gold is 0.13 J/g °C....Ch. 10 - Calculate the amount of energy required (in...Ch. 10 - If 10. J of heat is applied to 5.0-g samples of...Ch. 10 - A 50.1)-g sample of water at 100. °C is poured...Ch. 10 - A 25.0-g sample of pure iron at 85 °C is dropped...Ch. 10 - If 7.24 kJ of heat is applied to a 952-g block of...Ch. 10 - For each of the substances listed in Table 10.1,...Ch. 10 - A system releases 213 kJ of heat and has a...Ch. 10 - Prob. 79APCh. 10 - Calculate the enthalpy change when 5.00 g of...Ch. 10 - Prob. 81APCh. 10 - Prob. 82APCh. 10 - It has been determined that the body can generate...Ch. 10 - Prob. 84APCh. 10 - Prob. 85CPCh. 10 - The specific heat capacity of graphite is 0.71 J/g...Ch. 10 - A swimming pool, 10.0 in by 4.0 m, is filled with...Ch. 10 - Prob. 88CPCh. 10 - Prob. 89CP
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
- The heat of neutralization, Hneut, can be defined as the amount of heat released (or absorbed), q, per mole of acid (or base) neutralized. Hneut for nitric acid is -52 kJ/mol HNO3. At 27.3C, 50.00 mL of 0.743M HNO3 is neutralized by 1.00 M Sr(OH)2 in a coffee-cup calorimeter. (a) How many mL of Sr(OH)2 were used in the neutralization? (b) What is the final temperature of the resulting solution? (Use the assumptions in Question 11.)arrow_forwardWhen one mol of KOH is neutralized by sulfuric acid, q=56 kJ. (This is called the heat of neutralization.) At 23.7C, 25.0 mL of 0.475 M H2SO4 is neutralized by 0.613 M KOH in a coffee-cup calorimeter. Assume that the specific heat of all solutions is 4.18J/gC, that the density of all solutions is 1.00 g/mL, and that volumes are additive. (a) How many mL of KOH is required to neutralize H2SO4? (b) What is the final temperature of the solution?arrow_forwardWhat is the enthalpy change of combustion of urea, (NH2)2CO, in kJ mol-1? 2(NH2)2CO(s) + 302(g) → 2CO2(g) + 2N2(g) + 4H2O(I) AH, I kJ mol (NH,),CO (s) CO, (g) H,O (1) -333 -394 -286 A. 2 x (-333) –2 × (-394) –4 × (-286) В. [2 x (-394) + 4 × (-286) -2 x (-333)] C. 2 x (-394) + 4 × (-286) –2 × (-333) D. (2 x (-333) –2 × (-394) –4 × (-286)]arrow_forward
- Carbon dioxide from the atmosphere "weathers," or dissolves, limestone (CaCO3) by the reaction CACO3(8) + CO2(9) + H2O(1) → Ca²+ (aq) + 2HCO3¯(aq) Obtain AH° for this reaction using the following data: AH;(CaCO3(8)) = –1206.9 kJ/mol AH;(CO2(9)) = -393.5 kJ/mol AH;(H2O(1)) = –285.8 kJ/mol AH;(Ca²+ (ag) -542.8 kJ/mol AH;(HCO3¯(aq)) = -692.0 kJ/mol ΔΗ kJ %3Darrow_forwardResolve all parts otherwise I will downvotearrow_forward* 42) Given the following reactions N2 (g) + Del AH = +180.7 kJ O2 (g) → 2NO (g) 001.0 to Jm 0.25 nixim yd sbsa notulossa Im AH = -113.1 kJ 2NO (g) + O2 (g) → 2NO2 (g) ->> 0080.0 (C the enthalpy of reaction for acr (af DIMM 900 02.00.0 (A rlos M aansugs as to (M) noitsusid ladom s 4NO (g) 2NO2 (g) + N2 (g) 1008.0 000 (8 is _ kJ. TA) 67.6 B)-293.8 gdong C) 293.8 mo D) 45.5 to hustom E)-45.5 SESIA diation has the greatestarrow_forward
- Sucrose, C12 Hzm011, is common table sugar. The enthalpy change at 25°C and 1 atm for the complete burning of 3 mol of sucrose in oxygen to give CO:(9) and H3O(1) is - 1.692 x 10' kJ. From this and from data given below: AH; (H2O(1)) =-285.8 kJ/mol AH(CO2(9) = -393.5 kJ/mol AH (02(9)) = 0 kJ/mol Calculate the standard enthalpy of formation of sucrose. AH; - k]/molarrow_forwardq= cAT = msAT = ms(Tinal – Tiniia) AHΧΣn, ΧΑΡ(prod)] - Σn, ΧΔΗ (react)] 1. The enthalpy of which of the following reactions would not be the enthalpy of formation of the product? a) 1/2 H,(g) + 1/2 Br:(1) ---> HBr(g) c) H,O(1) + SO,(1) ---> H,SO,(1) b) H.(g) + 1/2 O,(g) H;O(1) d) Ca(s) + 1/2 O:(g) ---> CaO(s) --->arrow_forwardThe table below contains some mean bond energy data: Bond C-C 348 H-H N=N Mean bond energy /kJ mol| 436 944 (i) Balance the equation below for the formation of one mole of ammonia, NH3, from its elements. N2 + H2 NH3 AH = -38 kJmol" (ii)Use the data in the table above to calculate the bond energy of N - H bond in NH3 in the reaction given in (1) above. Comment on why the value obtained is referred to as 'mean bond enthalpy (ii) Use the equation below and data from the table to calculate a value for the C=C bond energy in ethene. Bond H-H C-H C-C 348 Mean bond energy /kJ mol 436 418 нн нн С—С + Н Нэнс- с н AH = -136 kJ mol нн н Ethene Ethanearrow_forward
- Carbon dioxide from the atmosphere "weathers," or dissolves, limestone (CACO3) by the reaction C&CO3 (s) + CO2 (g) + H,0(1) → Ca+ (aq) +2HCO3 (ag) Obtain AH° for this reaction using the following data: AH;(CACO, (s))=-1206.9 kJ/mol %3D AH;(CO2 (9)) = -393.5 kJ/mol AH;(H,0(1)) = -285.8 kJ/mol %3D AH;(Ca+ (ag)) = -542.8 kJ/mol %3D AH (HCO, (ag)) = -692.0 kJ/mol AH = kJarrow_forward22. Calculate the enthalpy change of formation of HNO; (aq) in the following reaction: Iultiple C Instruction 3NO2 (g) + H2O (I) → 2HNO, (aq)+NO (g); AH,renction-138.4 kJ The enthalpies of formation of NO2 (g), H2O (), and NO (g) are +33.2 kJ, -285.8 kJ, and +90.2 kJ, respectively. 1. Heat (A)& (B) (C) (D) (5) 2. Warrow_forwardWhat volume of benzene (C&H6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce 1.5 x 103 kJ of heat according to the following reaction? %3D = -6278 kJ 2 C6H6(1) + 15 O2(g) – 12 CO2(g) + 6 H2O(g) AH°, rxn 75 mL 37 mL 21 mL 19 mL 42 mLarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
Introductory Chemistry: A FoundationChemistryISBN:9781285199030Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Introduction to General, Organic and Biochemistry
Chemistry
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Cengage Learning
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781285199030
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
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