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- Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. chemical symbol, substance chemical formula boiling point or Lewis structure H H H A H – C C - C -0 H (Choose one) ▼ | H H Ag (Choose one) В Ar |(Choose one) - H :0: H Н— С — С С — Н (Choose one) v H. ? :0 : I - O - TUse a Born-Haber cycle (Sec. 5-13) to calculate the lattice energy of MgF2 using these thermodynamic data. Compare this lattice energy with that of SrF2, −2496 kJ/mol. Explain the difference in the values in structural terms.NO2 spaq lalichoteldal olboise art tqsoxe as noltas noise Br woled abivong sor kod an Pd, PPh3, base NH2
- In your own words, describe why metals are such good conductors of electricity. Be sure to include the definition of metallic bond in your answer. Answer in 2 to 3 complete sentences. I !!! H Normal A Enter your answer here BIUS √x 20 TxGiven the following data: AHr [CH:(g)] = -75 kJ mol· C(graphite) → C(g) AH = +712 kJ mol 1/2H2(g) – H(g) AH = +215.5 kJ mol 13. The bond enthalpy in kJ mol·' of the C-H bond in methane is A +375 B +412 C 375 D -412Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on, substance D HI chemical symbol, chemical formula or Lewis structure H HH ||| HHH Ar H I Ag -0. H H :O: H |||| HICIC-CIH H boiling point (Choose one) (Choose one) (Choose one) (Choose one)
- The bond dissociation energy to break 5 C-H bond(s) in 1 mole of glycerol (HOCH₂CH(OH)CH₂OH, see image below) molecules is N O Single Bond H H 432 411 386 459 O NO I C Multiple Bonds с 346 305 167 358 201 142 C=N 615 C=N 887 **All values in kJ/mol** C=C 602 C=O 799 C=C 835 C=O 1072 0=0 494 N=N 942Write a reasonable chain mechanism (mechanistic arrows, intermediates, etc.) for the following reaction. Your mechanism must be based upon currently accepted understanding of chemical reactions.e Schoology 8 Calendar | Schoology -> A bcps.schoology.com/common-assessment-delivery/start/3334253476?action=Donresume&submissionld-492882996 BCPS Links 9 Schoology 9 Schoology Which line on Graph 2 accurately shows the relationship between distance and the amount of potential energy stored in this system? Graph 2 A В DISTANCE BETWEEN MAGNETS WITH LIKE POLES FACING O Line A O Line B O Neither line A nor Line B is correct 2 4 7 8 10 11 Next » Sign out POTENTIAL ENERGY
- Calculate K givenEcell= -0.210 voltsE0cell= -0.140 voltsT= 483 Kelvinn= 1R= 8.314 J/mol KF= 96500 C/mole electronsThe diagram below shows a system that is made up of 3 molecules (labeled A, B, and C) that contains a total of 4 units of energy. Assuming that no molecule can have 0 energy associated with it, and that only integral amounts of units of energy are allowed (energy = 1 or energy = 2 is allowed, but energy = 1.5 is not). In the left-most diagram, one possible way of distributing the four units of energy among these three molecules is presented. This distribution is represented as: (1, 1, 2). %3D 6 SEE 6 5 4 4 4 3 3 3 2 2 1 1 1 A B C AB C АВС (1, 1, 2) a. Show explicitly that a total of 4 units of energy are present in the left-most diagram. b. Explain why (1, 3, 0) is not an allowed distribution for this system. Show the other two allowed distributions of energy for this system using the two blank diagrams, and write the corresponding representation below each diagram. С.The table below contains some mean bond energy data: Bond H—H C-C N≡N Mean bond energy /kJ mol–1 436 348 944 (i) Balance the equation below for the formation of one mole of ammonia, NH3, from its elements. N2 + H2 → NH3 DH = -38 kJmol-1 (ii) Use the data in the table above to calculate the bond energy of N – H bond in NH3 in the reaction given in (i) above. Comment on why the value obtained is referred to as ‘mean bond enthalpy’