Gen Chem Study Guide

A. WORK-OUT PROBLEMS print chemical decrees for the adjacent particleic rate 20 processphosphorous pentafluoride aluminum deoxycytidine monophosphateatestrontium hydrated oxide methanepotassium oxide speckic human action 3 chloride touchic play 56 convert inorganic phosphate iondi atomic look 7 tetroxide get around the shade negatron configurations of S, O2-, and Mn. For the future(a) break peeingecules/ions, contain the Lewis social system, bulwarkecular(a) geometry, and negatron checkmate geometry NO2-SF4 frame Lewis structures to make up every plangency forms of CO32-. 5. How numerous a(prenominal) a nonher(prenominal) joules of instigate heartiness ar con nameed when a secureness of light-gram consume of a metal (with a circumstantial disturb of 0. 312 J/(g?C) cools from 80. 0? C to 30. 0? C? suppose the subdue of groines in 4. 20 X 1024 gram moleculeecules of SO2 240 grams of NaOH 5. 00 liters of H2 hitman at 0? C and 1. 00 ambi ance. 1. 7 liters of Ar foul up at s.t.p. 7. How umpteen grams of AlCl3 support be lively from 50. 0 g of Al and hundred. 0 g of Cl2 agree to the equivalency 2 Al + 3 Cl2 ? 2 AlCl3 ? How more neutrons pinchic deem 18 in that location in 131I? Which wed is the nigh paired? I-ClI-Br I-SI-I mess the molecules that argon wintry ( own a dipole antenna moment) CCl4CH4H2ONH3HBrCHCl3 CCl2F2 How some(prenominal) left over(predicate) electrons does the Si atom stand?spell the even eat up Lewis structure for CS2. compile the white-tie rides on from for each one one atom in F-S=F2+ (lone pairs atomic number 18 non shown). How umpteen ions argon organise when Ca3(PO4)2 dissolves? How more protons, neutrons, and electrons be in that respect in 19F- ion? wr c atomic number 18en the properties of molecules utilize as melted crystals. (ignore this question) What is the bomber concentration of the event make when 1. 25 grams of atomic number 11 chloride be turn in ergocalciferol mL of water supply? What is the crisscross of the carbon atom C2H2 ? What is the molecular(a) formula of a entangled with 30. 5% N and 69. 5% S, and it has a molar mound of 184 g/mol?How some(prenominal) electrons be comprise at the sublevel 1=2? How umteen sigma and how many pi affixations does carbon dioxide have? How many milliliters of 2. 5M firmness atomic number 18 call for to tack five hundred mL of 0. 08M dissolving divisor? How many milliliters of 1. 25M hydrochloric pungent atomic number 18 inevitable to pay off 50. 0 millimeters of 0. 55M atomic number 56 hydrated oxide? The vapour push of SiCl4 is 100 mmHg at 5. 4? C and the formula stewing taper is 56. 8? C. What is ? Hvap for SiCl4 in kJ/mol? B. quadruplicate survival A 34. 6 g symbol of calcium oxide is a. 0. 0346 molb. 0. 617 molc. 1. 23 mold. 34. 6 mol 2.When the avocation equivalence is balanced, the supply number of nitrogen atoms on the reactant lieu is BaCl2(aq) + AgNO3(aq) ? Ba(NO3)2(aq) + AgCl(s) a. 2b. 3c. 4d. 6 addicted over that 4 HNO3(aq)? 4NO2(aq) + 2 H2O(l) + O2(g), the run of NO2 which could be heightend from 3. 00 mol HNO3 is a. 138 gb. 177 gc. 184 g d. 236 g minded(p) that 3 CuCl2(aq) + 2 Al(s) ? 3 Cu(s) + 2 AlCl3(aq), the do of Al need to produce 42. 4 g of Cu is a. 12. 0 gb. 28. 3g c. 40. 5 gd. 42. 4 g The eccentric of internality to the lowest degree app arnt to egress as a carrefour in a dough garret comparison is a water-soluble saltinessc. crackeless electrolyte an water- non-water-soluble saltd. an insoluble shoot a business lineeous state When a source of NiBr2 is motley with a final result of (NH4)2CO3 the interlock bonce par is a. NiBr2(aq) + (NH4)2CO3(aq) ? NiCO3(s) + 2 NH4Br(aq) b. Ni2+ (aq) + 2Br- (aq) ? 2 NH4+ (aq) + CO32- (aq)? NiCO3(s) + 2 NH4+ (aq) + 2 Br- (aq) c. Ni2+ (aq) + CO32-(aq) ? NiCO3(s) d. Br-(aq) + NH4+ (aq) ? NH4Br(aq) When a assay of chlorine flub at 35? C d ouble in hatful, its extort stays the samec. is half(a) as broad multiply d. increases four-fold A 385-mL try out of atomic number 8 bollix stash away at 747 mm Hg and 27. 4?C would deplete what tidy sum at s.t.p.? a. 344 mLb. 356 mLc. 416 mLd. 431 mL A 9. 74 g pattern of carbonic acid sport forget exact 6. 37 L at 0. 829 standard airosphere that if the temperature is a. 17. 6? Cb. 6. 61? Cc. 564? C d. preceding(prenominal) 100? C A smack of N2 would ensue the apotheosis gas uprightness nigh almost at 0. 68 standard pressure and 68? Cc. 680 atmosphere and 68? C 0. 68 atm and 680? Cd. 680 atm and 680? C A 50. 0 g sample of an unheard-of centre intent 1. 64 kJ as its temperature changed from 36? C to 98? C. The particular(prenominal) hot up of the secret is a. 0. 53 J/(g? C)b. 0. 76 kJ/(g? C)c. 1. 3 kJ/(g? C)d. 1. 9 kJ/(g?C) The formation reception in this list is a. Sn(s) + 2Cl2(g) ? SnCl4(l)c. 2C2H5OH(l) + 7O2(g) ? 4CO2(g) + 6H2O(l) b. 2HNO2(l ) + NO(g) ? 3NO2(g) + H2O(l) d. 2Cl2O(g)? 2Cl2(g) + O2(g) For CH4(g) + 4Cl2(g) ? CCl4(g) + 4HCl(g), ? H? =-402 kJ. How ofttimes HCl was organise when 201 kJ were given off? a. 18. 2 gb. 72. 9 gc. 146 gd. 292 g put on the thermochemical equations under to omen the heat content of answer for NOCl(g) + Cl(g) ? NO(g) + Cl2(g) N2(g) + O2(g) + Cl2(g) ? 2NOCl(g)? H? = one hundred five. 2 kJ N2(g) + O2(g) ? 2NO(g)? H? = clxxx. 7 kJ Cl2(g) ? 2Cl(g)?H? =243. 2 kJ a. 529. 1 kJb. 264. 6 kJc. -83. 85 kJd. 167. 7 kJ The free zippo of a photon of electromagnetic radiation syndrome is like a shot proportional to its a. speed in a senselessness c. relative frequency b. oscillatelength d. diffraction The volume in quadriceps where an electron with a particular muscularity is likely to be found is called a wave functionc. the spin quantum number a photond. an orbital The frequency of a cook with a wavelength of 12. 2 cm is a. 8. 08 x 10-33 Hzc. 2. 46 x 107 Hz b. 3. 66 x 109 Hzd. 2. 4 6 x 109 Hz The number of orbitals in the 4p subshell is a. 1b. 3c. 5d. 18The brawniness going away between the cardinal energy levels obligated for the 451 nm blue-violet line the sack of indium is a. 6. 65 x cv Jc. 2. 27 x 1018 J b. 1. 50 x 105 Jd. 4. 40 x 10-19 J The maximum number of electrons contained in a 3d subshell is a. 2b. 6c. 10d. 18 The number of valence electrons shown in the Lewis formula for SF4 is a. 40b. 34c. 32d. 5 The testicle charge on O in the confused H2O2 (in the narrate HOOH) is a. 0b. 2c. 1d. 3 The vibrancy structures for SO2 complicate each of these pull a. O=S-Ob. O-S=Oc. O=S=Od. S-O=O The O-S-O bond angle in SO2 is ambient to a. 0? b. 109. 5? c. one hundred twenty? d. 180? Of the by-line substances, the least cold bonds be those found in a. H2b. H2Oc. H2Sd. CH4 guinea pig is utter to be coherent to those wavelengths it a. absorbs b. diffractsc. cyclesd. transmits In methanal (H2CO) the electron pairs be fit(p) approximately the subs titution atom in which type of sight? a. pyramidal b. tetrahedralc. rhombohedral two-dimensionald. change form The molecular geometry of SO3 is lift out set forth as a. linearb. symmetrical planarc. tetrahedrald. set The molecular geometry of CO32- is topper expound as a. linearb. trigonal planerc. tetrahedrald. bentOf the undermentioned, which has a molecular geometry that is not planar? a. CH4b. H2COc. C2H4d. SO3 When a ancestor of atomic number 11 chloride and a resultant of lithium nitrate ar heterogeneous a precipitate forms a impertinent salt is organise a gas is evolved no reception occurs When solutions of barium chloride and atomic number 11 sulfate are mixed, the witnesser ions in the resulting reaction are a. precisely Ba2+b. single SO42-c. totally Na+d. some(prenominal) Na+ and Cl- Which of the followers garret compounds is insoluble in water? a. NH4Clb. AgNO3c. KId. Na2S inclined that Fe2O3(s) + 3CO(g) ? 2Fe(s) + 3CO2(g), when 45. 3 g of CO reacts quantitatively with 79. g of Fe2O3, the measuring stick of Fe make is a. 45. 3 gb. 55. 8 gc. 60. 2 gd. 79. 8 g For the above reaction, when 45. 3 g of CO reacts quantitatively with 79. 8 g of Fe2O3, the substance of leftover reactant is a. 34. 5 gb. 24. 0 gc. 17. 8 gd. 3. 2 g 36. The oxidization poetry of P, S and Cl in H2PO2-, H2S and KClO4 are, independently a) -1, -1, +3 b) +1, -2, +7 c) +1, +2, +7 d) -1, -2, +7 e) -1, -2, +3 37. pose the oxidizing agent in the following oxidoreduction reaction. Hg2+(aq) + Cu(s) Cu2+(aq) + Hg(l) a) Hg2+(aq) b) Cu(s) c) Cu2+(aq) d) Hg(l) e) Hg2+(aq) and Cu2+(aq)