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@X@user.full_name@X@ @GMU: Using bond energies from the table, estimate ΔH for the reaction below. The product has a fluorine atom bound to each carbon.CH2=CH2(g) + F2(g) → CH2FCH2F(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 CºC 835 CºN 887 CºO 1072 N=N 418 N=O 607 S=O (in SO2) 532 NºN 942 O2 494 S=O (in SO3) 469

@X@user.full_name@X@ @GMU: Balance the reaction below; determine the sum of the coefficients; this is in an acidic solution! Include co-efficients for any unshown species (such as water and H+)._MnO4- + _Ag → _Mn2+ + _Ag+

@X@user.full_name@X@ @GMU: What is the entropy change for the reaction below, if the standard entropies of reactants and products are So (C(gr)) = 5.74 J/mol*K, So(H2(g)) = 130.68 J/mol*K, and So(C3H6(g)) = 266.600 J/mol*K.C3H6(g) → 3C(gr) + 3H2(g)

@X@user.full_name@X@ @GMU: Kaolinite, a clay mineral with the formula Al4Si4O10(OH)8, is produced naturally by the chemical weathering of aluminum silicate minerals like feldspar (granite). Kaolinite is used industrially as filler in slick-paper for magazines and as a raw material for ceramics. How many grams of oxygen are present in 13.68 g of kaolinite?

Sessile means that animals move.

The nurse is preparing to administer a medication to an elderly patient who has difficulty swallowing pills. The patient’s family suggests breaking the tablet in half to make it easier for the patient to swallow. What is the nurse’s next action?

@X@user.full_name@X@ @GMU: What is the total concentration of ions in a solution consisting of 0.3885 M HCl?

A 65-year-old woman is recovering from a stroke that has left her with partial paralysis and difficulty swallowing. She requires assistance with mobility, physical therapy, and close monitoring of her nutritional intake to prevent aspiration. Which facility should the nurse recommend for her care after discharge?

@X@user.full_name@X@ @GMU: ACS-What mass of copper would be plated on an electrode from a solution of Cu(NO3)2 at a current of 5.00 A for 860.57 s?

A patient with moderate dementia becomes increasingly anxious and begins repeatedly asking about their family. What is the most appropriate nursing intervention to address the patient’s anxiety?