True or False: This reaction is endothermic because more energy is neededto break up the reactants versus the amount given off by the products. Usethe reaction and bond information to answer the question.H-H+0=C = 0 -H-C = O|O-HH2 + CO, → CH,O.Reactant bond energies: H-H is 432 kJ/mol, C=O is 799 kJ/molProduct bond energies: C-H is 413 kJ/mol, C=O is 745 kJ/mol, C-O is 358kJ/mol, O-H is 467 kJ/mol○ True○ False1

FalseExplanation:To determine if the reaction is endothermic or exothermic, we need to compare the…

Answered: True or False: This reaction is…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Consider the reaction: NH3(g) + Cl2(g) → NH₂Cl(g) + HCl(g) Compute AH*rxn for the reaction of 100 mol of NH3(g) in excess chlorine using the bond enthalpy data in the table below. Average Bond Enthalpy (kJ/mol) 389 243 202 432 +200 kJ +20 kJ -200 kJ O -20 kJ N-H CI-CI N-CI H-CI
Consider the following Lewis structure and table of bond energies. What is the total sum of the bond energies in this molecule? Em H- :O: -C Ö-H H-H 436 H-F 569 H-Cl 432 H-Br 366 H-I 298 Table of Average Bond Energies (kJ/mole) C-H 410 C-C 350 C-N 300 C- O 350 C -F 450 C-Cl 330 C-Br 270 CII 240 N H N N 390 240 N-F 270 NCI 200 N-Br 240 200 N O 460 142 -F 180 200 220 01H 010 O O Cl 011 F-F 157 F-CI 251 F-Br 234 Cl-Cl Cl-Br Br-Br 1-1 1-Br -Cl 1 I-F 243 219 194 153 179 208 280 C=C C=0 C=N C-S 010 N=N N=0 C C C=0 CEN NEN 611 745 615 477 498 418 607 835 1077 891 941
Use bond enthalpies (Table 9.5 page 303) to estimate AH (kJ/mol) for the following gas-phase reaction. H H H. H+ C=C H,O H-C-C-H + | | OH H H. H Ethylene Water Ethanol
3.Calculate the overall energy change in the combustion of ethane, C2H. Is it exothermic reaction or an endothermic reaction? (An example is shown in another document, which is also posted) Average Bond Enthalpies (kJ/mol) Single Bonds C-H 413 N-H 391
Reaction Description of Ethanol: In this section, you will describe a reaction related to the production or use of the compound, ethanol. You must include the following: 1)Type of reaction—Describe the general class of reaction (combustion, acid/base, redox, etc.).2)Heat of reaction—Provide the amount of heat that must be added or removed from this reaction at the relevant temperature and whether this reaction is exothermic or endothermic.3)All products, reactants, and catalysts—Include a balanced equation with all states of participants.4)Special considerations—Document the safe operating range of this reaction, safety considerations, and side reactions that may produce unwanted products.5)Summary of other possible reactions—Provide either another reaction to produce the compound or an alternate use and its reaction.
CSCI has a lattice energy of -657 kJ/mol. Consider a generic salt, AB, where A²+ has the same radius as Cs*, and B has the same radius as Cl. Estimate the lattice energy of the salt AB. lattice energy of AB: kJ/mol
Calculate the enthalpy of reaction for the combustion reaction (in kJ/mol) shown below. Enter your answer without units. ннно: •. Н-С-С—С—С-Ӧ—Н + 50=0 4 0=c=o° + 4 Н—0—Н ннн Average Bond Energy Bond (kJ/mol) H-H 436 H-C 414 H-O 464 C-C 347 C=C 611 C-0 360 C=O 799 0-0 142 O=0 498 If you cannot see the images above,then click here
Use the data below to calculate the bond energy for a C-F bond in kJ/mol. Bond Energy (kJ/mol) С-Н 413 H-F 567 С-С 347 H-CI .431 F-F 159 H-Br 364 Cl-CI 243 H-I 297. Br-Br 193 I-I 151 The reaction shown below has AH = -3372 kJ as written C2H6lg) + 7 F2(g) → 2 CF4(g) + 6 HFig) In C2H6 each C makes 3 bonds with H and 1 bond with C 485 kJ/mol O 489 kJ/mol O -503 kJ/mol O none of the answers are correct
When 3.8 g A are reacted with 8.5 g D, according to the balanced chemical equation below, 33 kJ of energy are released. Please calculate the enthalpy for this reaction when 3 moles of G are produced. 2A + 3D = 2Z + 3G given molar masses: A = 141.8 g/mole D = 63.996 g/ mole Z = 4.032 g/ mole G = 56.028 g/ mole
Calculate ΔH° for the reaction using the given bond dissociation energies. CH4(g)+2O2(g)⟶CO2(g)+2H2O(g) Bond ΔH° (kJ/mol) O–OO–O 142 H–OH–O 459 C−HC−H 411 C=OC=O 799 O=OO=O 498 C–OC–O 358 What type of reaction is this?
Use the data in Thermodynamic Properties and the bond energy in Bond Energies to determine the average C-C bond energy in benzene (C6H₁). 4.0✔ kJ/mol Calculate the average of a C-C single bond and a C=C double bond using the bond energies, which is the value expected from the Lewis structure. 4.0✔ kJ/mol The larger calculated value using thermodynamic properties is due to the fact that the pi system is delocalized, which makes the molecule more stable than predicted by simply averaging the C-C bonds.
For the reaction below: CH,CH₂-Cl + Hạ Nhi CHỊCH, NH, ✦ a. Estimate the gas phase enthalpy change using bond dissociation enthalpies from the OWL Table Reference, not data from your text. Click the References button and then click the Tables link on the drop-down that appears. Include algebraic sign and units. 7 kJ/mol Ha b. Is the reaction exothermic or endothermic? exo c. Is the reaction likely to proceed spontaneously in the direction written? yes

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