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@X@user.full_name@X@ @GMU: Using bond energies from the table below, estimate ΔH for the reaction below.CH4(g) + F2(g) → CH3F(g) + HF(g) Bond Energies, kJ/mol Single Bonds   H C N O S F Cl Br I H 432                 C 411 346               N 386 305 167             O 459 358 201 142           S 363 272 — — 286         F 565 485 283 190 284 155       Cl 428 327 313 218 255 249 240     Br 362 285 243 201 217 249 216 190   I 295 213 — 201 — 278 208 175 149   Multiple Bonds C=C 602 C=N 615 C=O 799 C≡C 835 C≡N 887 C≡O 1072 N=N 418 N=O 607 S=O (in SO2) 532 N≡N 942 O2 494 S=O (in SO3) 469

@X@user.full_name@X@ @GMU: Using bond energies from the table, estimate ΔH for the reaction below. The reactant has a chlorine atom bound to each carbon.CH2ClCH2Cl(g) → CH2=CH2(g) + Cl2(g) Bond Energies, kJ/mol Single Bonds   H C N O S F Cl Br I H 432                 C 411 346               N 386 305 167             O 459 358 201 142           S 363 272 — — 286         F 565 485 283 190 284 155       Cl 428 327 313 218 255 249 240     Br 362 285 243 201 217 249 216 190   I 295 213 — 201 — 278 208 175 149   Multiple Bonds C=C 602 C=N 615 C=O 799 C≡C 835 C≡N 887 C≡O 1072 N=N 418 N=O 607 S=O (in SO2) 532 N≡N 942 O2 494 S=O (in SO3) 469

@X@user.full_name@X@ @GMU: Which is the correct electron configuration for Nb- in its ground state?

@X@user.full_name@X@ @GMU: Which is the correct electron configuration for F2+ in its ground state?

@X@user.full_name@X@ @GMU: Which is the correct electron configuration for C2- in its ground state?

@X@user.full_name@X@ @GMU: Which is the correct electron configuration for Ru2+ in its ground state?

Equation Sheet and Periodic Table

@X@user.full_name@X@ @GMU: Using bond energies from the table, estimate ΔH for the reaction below.CH3NH2(g) → HCN(g) + 2H2(g) Bond Energies, kJ/mol Single Bonds   H C N O S F Cl Br I H 432                 C 411 346               N 386 305 167             O 459 358 201 142           S 363 272 — — 286         F 565 485 283 190 284 155       Cl 428 327 313 218 255 249 240     Br 362 285 243 201 217 249 216 190   I 295 213 — 201 — 278 208 175 149   Multiple Bonds C=C 602 C=N 615 C=O 799 C≡C 835 C≡N 887 C≡O 1072 N=N 418 N=O 607 S=O (in SO2) 532 N≡N 942 O2 494 S=O (in SO3) 469

High flow nasal cannula for a newborn is indicated when these clinical findings are present:I.   Blue chest and stomach recieving 80% FIO2 in oxygen tentII.  Hypoinflation on the chest xray with gasping respirationsIII. Neonate on oxyhood with SpO2 of 94%IV. Newborn showing signs of IRDS type II with no improvment despite using 2 lpm of        NC with FIO2 of 0.70.

A patient diagnosed with COPD and history of smoking has hypertension. What contributes to this?   I. Buerger’s diseaseII. AnemiaIII. PolycythemiaIV. Hypoxemia