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Study Resources (Chemistry)

4.2   Bimodal Questions 1) A strong electrolyte is one that __________ completely in solution. A) reacts B) associates C) disappears D) ionizes 2) A weak electrolyte exists predominantly as __________ in solution. A) atoms B) ions C) molecules D) electrons E) an isotope 3) Which of the following are strong electrolytes? HCl HC2H3O2NH3 KCl A) HCl, KCl B) HCl, NH3, KCl C) HCl, HC2H3O2, NH3,.
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31) Of the following, __________ radiation has the shortest wavelength and __________ radiation has the greatest energy. gamma          ultraviolet          visible A) gamma, visible B) visible, gamma C) visible, ultraviolet D) ultraviolet, gamma E) gamma, gamma 32) What color of visible light has the highest energy? A) violet B) blue C) red D) green E) yellow 33) Using Bohr's equation for the energy.
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21) Which one of the following is a triprotic acid? A) nitric acid B) chloric acid C) phosphoric acid D) hydrofluoric acid E) sulfuric acid 22) Which one of the following solutions will have the greatest concentration of hydroxide ions? A) 0.300 M rubidium hydroxide B) 0.100 M magnesium hydroxide C) 0.100 M ammonia D) 0.100 M beryllium hydroxide E) 0.100.
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6.2   Bimodal Questions 1) Electromagnetic radiation travels through vacuum at a speed of __________ m/s. A) 186,000 B) 125 C) 3.00 × 108 D) 10,000 E) It depends on wavelength. 2) The wavelength of light that has a frequency of 1.20 ×1013s-1 is __________ m. A) 25.0 B) 2.50 × 10-5 C) 0.0400 D) 12.0 E) 2.5 3) The wavelength of light that.
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41) The ground state electron configuration of Fe is __________. A) 1s22s23s23p63d6 B) 1s22s22p63s23p64s23d6 C) 1s22s22p63s23p64s2 D) 1a22s22p63s23p64s24d6 E) 1s22s23s23p10 42) The ground state electron configuration of Ga is __________. A) 1s22s23s23p64s23d104p1 B) 1s22s22p63s23p64s24d104p1 C) 1s22s22p63s23p64s23d104p1 D) 1s22s22p63s23p64s23d104d1 E) [Ar]4s23d11 43) The ground-state electron configuration of the element __________ is [Kr]5s14d5. A) Nb B) Mo C) Cr D) Mn E) Tc 44) The ground-state electron configuration of __________.
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51) The ground state configuration of tungsten is __________. A) [Ar]4s23d3 B) [Xe]6s24f145d4 C) [Ne]3s1 D) [Xe]6s24f7 E) [Kr]5s24d105p5 52) The lowest orbital energy is reached when the number of electrons with the same spin is maximized. This statement describes __________. A) Pauli Exclusion Principle B) Planck's constant C) deBroglie hypothesis D) Heisenberg Uncertainty Principle E) Hund's rule 53) The element that.
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11) All of the orbitals in a given electron shell have the same value of the __________ quantum number. A) principal B) angular momentum C) magnetic D) spin E) psi 12) The de Broglie wavelength of a __________ will have the shortest wavelength when traveling at 30 cm/s. A) marble B) car C) planet D) uranium atom E) hydrogen atom 13) The.
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5.1   Multiple Choice Questions 1) At what velocity (m/s) must a 20.0 g object be moving in order to possess a kinetic energy of 1.00 J? A) 1.00 B) 100 × 102 C) 10.0 D) 1.00 × 103 E) 50.0 2) Objects can possess energy as __________. (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b only C).
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31) In which species does sulfur have the highest oxidation number? A) S8 (elemental form of sulfur) B) H2S C) SO2 D) H2SO3 E) K2SO4 32) In which species does nitrogen have the highest oxidation number? A) N2 B) NH3 C) HNO2 D) NO2- E) NaNO3 33) Which compound has the atom with the highest oxidation number? A) CaS B) Na3N C) MgSO3 D) Al(NO2)3 E) NH4Cl 34).
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11) Which one of the following compounds is insoluble in water? A) K2SO4 B) Ca(C2H3O2)2 C) MgC2O4 D) ZnCl2 E) Mn(NO3)2 12) Which combination will produce a precipitate? A) NaC2H3O2 (aq) and HCl (aq) B) NaOH (aq) and HCl (aq) C) AgNO3 (aq) and Ca(C2H3O2)2 (aq) D) KOH (aq) and Mg(NO3)2 (aq) E) NaOH (aq) and HCl (aq) 13) Which combination.
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11) The element that corresponds to the electron configuration 1s22s22p6 is __________. A) sodium B) magnesium C) lithium D) beryllium E) neon 12) There are __________ unpaired electrons in a ground state nitrogen atom. A) 0 B) 1 C) 2 D) 3 E) 4 13) The complete electron configuration of argon, element 18, is __________. A) 1s22s22p63s23p6 B) 1s22s2p103s23p2 C) 1s42s42p63s4 D) 1s42s42p10 E) 1s62s62p23s4 14) The complete.
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7.1   Multiple-Choice Questions 1) In which set of elements would all members be expected to have very similar chemical properties? A) O, S, Se B) N, O, F C) Na, Mg, K D) S, Se, Si E) Ne, Na, Mg 2) In which set of elements would all members be expected to have very similar chemical properties? A).
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4.4   Short Answer Questions 1) The solvent in an aqueous solution is __________. 2) What is aqua regia? 3) When gold dissolves in aqua regia, into what form is the gold converted? 4) Calculate the concentration (M) of arsenic acid (H3AsO4) in a solution if 25.00 mL of that solution required 35.21 mL of.
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6.4   Short Answer Questions 1) What wavelengths correspond to the visible region of the electromagnetic spectrum? 2) In the de Broglie formula describing the movement of an electron about the nucleus, the quantity "mv" is called its __________. 3) A spectrum containing radiation of specific wavelengths is called a __________. 4) The shape of.
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5.3   Algorithmic Questions 1) The kinetic energy of a 12.5-g object moving at a speed of 81.9 m/s is __________ J. A) 145 B) 0.950 C) 41.9 D) 41900 E) 1450 2) The kinetic energy of a 23.2-g object moving at a speed of  93.6 m/s is __________ J. A) 145 B) 102 C) 1450 D) 0.950 E) 102000 3) The value of.
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21) A chemical reaction that releases heat to the surroundings is said to be __________ and has a __________ ΔH at constant pressure. A) endothermic, positive B) endothermic, negative C) exothermic, negative D) exothermic, positive E) exothermic, neutral 22) The reaction 4Al (s)  +  3O2 (g)  →  2 Al2O3 (s)        ΔH° = -3351 kJ is __________, and therefore.
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6.3   Algorithmic Questions 1) Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is __________ sl. A) 5.71 × 1014 B) 5.71 × 105 C) 1.58 × 102 D) 1.58 × 1011 E) 1.75 × 10-15 2) An FM radio station broadcasts electromagnetic radiation at.
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6.5   True/False Questions 1) The wavelength of radio waves can be longer than a football field. 2) Black body radiation is the emission of light from metal surfaces. 3) If a hydrogen atom electron jumps from the n=6 orbit to the n=2 orbit, energy is released. 4) The square of Schrodinger's wave equation is.
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21) A neutralization reaction between an acid and a metal hydroxide produces __________. A) water and a salt B) hydrogen gas C) oxygen gas D) sodium hydroxide E) ammonia 22) Of the metals below, only __________ will not dissolve in an aqueous solution containing nickel ions. aluminum chromium barium tin potassium A) aluminum B) chromium C) barium D) tin E) potassium 23) Which of these metals is.
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41) The molarity (M) of an aqueous solution containing 22.5 g of glucose (C6H12O6) in 35.5 mL of solution is __________. A) 3.52 B) 0.634 C) 0.197 D) 0.125 E) 1.85 42) The molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6) in 35.5 mL of solution is __________. A) 1.85 B) 2.12 C) 0.197 D) 3.52 E) 11.8 43).
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