Please note that "geometry" refers to the molecular or ionic geometry. Recall that for predicting geometry, double and triple bonds count as only one electron pair. The Lewis diagram for NOCI is: :10-N=0 The electron-pair geometry around the N atom in NOCI is There is/are lone pair(s) around the central atom, so the geometry of NOCI is The Lewis diagram for CS₂ is: S=C=S The electron-pair geometry around the C atom in CS₂ is There is/are lone pair(s) around the central atom, so the geometry of CS2 is

Please note that "geometry" refers to the molecular or ionic geometry. Recall that for predicting geometry, double and triple bonds count as only one electron pair. The Lewis diagram for NOCI is: :10-N=0 The electron-pair geometry around the N atom in NOCI is There is/are lone pair(s) around the central atom, so the geometry of NOCI is The Lewis diagram for CS₂ is: S=C=S The electron-pair geometry around the C atom in CS₂ is There is/are lone pair(s) around the central atom, so the geometry of CS2 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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True or False: This reaction is endothermic because more energy is needed to break up the reactants versus the amount given off by the products. Use the reaction and bond information to answer the question. H-H +0=C = 0 - H-C = O | O-H H2 + CO, → CH,O. Reactant bond energies: H-H is 432 kJ/mol, C=O is 799 kJ/mol Product bond energies: C-H is 413 kJ/mol, C=O is 745 kJ/mol, C-O is 358 kJ/mol, O-H is 467 kJ/mol ○ True ○ False 1
Use the bond energies (kJ/mol) given (using variables only) to calculate the total enthalpy (energy) change for the following reaction: H2C=CH2(g) + Cl2(g) = ClH2C-CH2Cl(g) (Each carbon in the product has 2 H and one Cl atom bonded to it) Bond Energies: C-H: A C=C: B Cl-Cl: C C-C: D C-Cl: E
The Lewis structure for SF4 is shown. What is the electron-pair geometry around the central atom? :F: :F: Electron Pair Geometry:
Use the bond energies below to determine whether the following reaction is exothermic or endothermic H2 + Cl2 → 2 HCI H-H bond energy: 436 kJ/mol H-CI bond energy: 431 kJ/mol CI-CI bond energy: 243 kJ/mol O Endothermic, with less than 50 kJ of energy absorbed O Exothermic, with less than 50 kJ of energy released O Exothermic, with more than 50 kJ of energy released O Endothermic, with more than 50 kJ of energy absorbed
Calculate the enthalpy of reaction for the equation using the bond energy values given. HCCCH3 + H₂ → H₂CCHCH3 н-с-с-с-н H-H H==C² H Bond Energy Bond Energy Bond Bond (kJ/mol) (kJ/mol) AH = [?] kJ хи C-H 413 C-C 348 H-H 436 C=C 602 O-H 463 C=C 839 Include a + or - sign AND the magnitude in your answer. Enter
onic bonds are formed through the attraction of opposite charges to each other. With that said, O=O would have covalent bonds as there is no difference in charge between the two Oxygen atoms. What would be another example of an ionic bond?
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Lewis Structure of Elements Draw the Lewis structure of elements and determine the number of electrons gained or lost by an element in an ion formation. Lewis Structure Element Compound Formula Compound Formation + [K] [:Br:] KBr Potassium and Bromine K. + ·Br: K. Br: Potassium Bromide Calcium and Nitrogen Lithium and 0xygen Sodium and Phosphorous Aluminum and Sulfur
Use bond energies to estimate the energy change of this reaction. C3H8 + 5O2 → 3CO2 + 4H2O Show all work on your answer sheet. Bond Energies of Covalent Bonds Bond Energy (kJ/mol) Bond Energy (kJ/mol) C–C 348 N–N 163 C=C 611 N=N 418 C≡C 837 N≡N 946 C–O 351 N–H 389 C=O 799 O–O 146 C–Cl 328 O=O 498 C–H 414 O–H 463 F–F 159 S–H 339 H–Cl 431 S=O 523 H–F 569 Si–H 293 H–H 436 Si–O 368
5. Write the chemical formula that results when the following pairs of ions combine to form an ionic bond. a. Sr2* and 02- b. Mn4 and O2- C. Lit and CI- d. Cst+ and Sz-
[References] The compound oxygen difluoride is quite reactive, giving oxygen and HF when treated with water: OF2(g) + H20(g)→ 0g) + 2HF(g) =-318 kJ ot Using bond energies, calculate the bond dissociation energy of the O-F bond in OF7. Average Bond Energies (kJ/mol) Single Bonds Multiple Bonds pt N-H 391 149 C=C 614 432 565 H-H 839 495 745 1072 607 418 941 pt H--F N-N 160 208 C=C N-F 272 |-Br 175 H-CI H-Br 427 363 295 N-CI N-Br C=0* C=D0 200 pt H-1 243 S-H 347 N-O 201 S-F 327 N=N N N 253 S-CI S-Br 467 413 347 305 358 C-H 146 218 C--C C--N C-O C--F C-CI C-Br O-O 891 C=N C-N S-S 266 190 203 O-F 615 0-CI 340 393 360 452 485 O-I 一 234 Si-Si 339 276 Si-H Si-C Si-O e F-F 154 253 240 259 F-CI F-Br Cl-CI C-S 237 239 218 193 Cl--Br Br--Br *C== O(in CO,) - 799 O-F bond dissociation energy: kJ mol Submit Answer Try Another Version 1 item attempt remaining nything %3D