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91) According to the balanced equation shown below, 1.00 mole of oxalic acid, H2C2O4, reacts with ________ moles of permanganate ion, MnO4-. 5 H2C2O4(aq) + 2 MnO4-(aq) + 6 H+(aq) → 10 CO2(g) + 2 Mn2+(aq) + 8 H2O(l) A) 0.400 B) 1.00 C) 2.00 D) 2.25 92) According to the balanced chemical equation 5 H2C2O4(aq).
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6.2   Algorithmic Questions 1) What is the stoichiometric coefficient for oxygen when the following equation is balanced using the lowest, whole-number coefficients? ________ C2H6O (l) + ________ O2(g) → ________ CO2(g) + ________ H2O(l) A) 9 B) 7 C) 5 D) 3 2) Aluminum metal reacts with aqueous iron(II) chloride to form aqueous aluminum chloride and iron.
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Assume that an aqueous solution of a cation, represented by shaded spheres, is allowed to mix with a solution of an anion, represented by unshaded spheres. Three possible outcomes are represented by boxes (a)-(c).     100) Which outcome corresponds to the mixing of potassium and sulfide ions: 2 K+(aq) + S2-(aq) → ? A).
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31) Predict the products of a reaction between AgNO3(aq) and KBr(aq). A) Ag(s) and NO(g) B) Ag(s) and Br2(l) C) AgBr(s) and KNO3(aq) D) AgNO3(aq) and KBr(aq) 32) Predict the products of a reaction between Ba(NO3)2(aq) and K2SO4(aq). A) Ba(s), KNO3(aq) and K2SO3(aq) B) BaSO3(s) and KNO2(aq) C) BaSO3(s) and KNO3(aq) D) BaSO4(s) and KNO3(aq) 33) Which pair of reactants.
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81) What is the empirical formula for perfluoropropane if the compound contains 81% fluorine and 19% carbon by mass? A) CF3 B) C2F8 C) C3F8 D) C19F81 82) What is the empirical formula of a substance that contains 2.64 g of C, 0.444 g of H, and 3.52 g of O? A) CH2O B) C2H4O2 C) C2H4O3 D) C3H4O4 83).
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4.2   Algorithmic Questions 1) Of the following elements, which has the highest electronegativity? A) S B) Cl C) Ti D) Se 2) Of the following elements, which has the lowest electronegativity? A) Sr B) I C) Ba D) At 3) The electronegativity is 2.1 for H and 1.9 for Pb. Based on these electronegativities PbH4 would be expected to A).
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61) In which compound is the oxidation state of hydrogen not +1? A) H2O B) H2O2 C) NaH D) Na2HSO4 62) What is the oxidation number change for the manganese atom in the following unbalanced reduction half reaction: MnO4-(aq) + H+(aq) → Mn2+(aq) + H2O(l)? A) -7 B) -5 C) +5 D) +7 63) What is the oxidation number change for.
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5.2   Algorithmic Questions 1) What geometric arrangement of charge clouds is expected for an atom that has four charge clouds? A) trigonal bipyramidal B) octahedral  C) tetrahedral  D) square planar 2) What is the molecular geometry of ClF4 -? A) seesaw B) square planar C) square pyramidal D) tetrahedral 3) What is the molecular geometry of NCl3? A) T-shaped B) tetrahedral C).
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51) What is the geometry around the central atom in the following molecular model of BrF3? A) trigonal bipyramidal B) seesaw C) T-shaped D) linear 52) What is the geometry around the central atom in the following molecular model of XeF2? A) trigonal bipyramidal B) seesaw C) T-shaped D) linear 53) What is the geometry around the central atom in.
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The following ball-and-stick molecular model is a representation of the amino acid alanine (unshaded spheres = H). Only the connections between atoms are shown; multiple bonds and nonbonded electrons are not indicated.   58) In order to complete an electron-dot structure of alanine, the nitrogen atom needs A) 1 additional bond and.
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101) What is geometry around the oxygen atom labeled O2? A) bent B) tetrahedral C) trigonal planar D) trigonal pyramidal 102) What is geometry around the nitrogen atom? A) bent B) tetrahedral C) trigonal planar D) trigonal pyramidal 103) A molecular model of NO3- is shown below. Based on the best Lewis electron-dot structure for NO3- and formal charge considerations,.
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41) Which of the following compounds is an Arrhenius base in water? A) C6H12O6 B) HOClO2 C) H2SO4 D) NH3 42) Which of the following compounds is an Arrhenius base? A) CH3OH B) CH3CO2H C) HOCl D) KOH 43) Which one of the following compounds behaves as an acid when dissolved in water? A) BaO B) CH4 C) HBr D) KOH 44) When dissolved in.
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51)  a net ionic equation for the neutralization reaction of CH3CO2H(aq) with CsOH(aq). A) CH3CO2H(aq) + CsOH(aq) → CH3CO2Cs(aq) + H2O(l) B) CH3CO2-(aq) + H+(aq) + Cs+(aq) + OH-(aq) → CH3CO2-(aq) + Cs+ + H2O(l) C) CH3CO2H(aq) + Cs+(aq) + OH-(aq) → CH3CO2Cs(s) + H2O(l) D) CH3CO2H(aq) + OH-(aq) → CH3CO2-(aq) + H2O(l) 52)  a.
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6.1   Multiple Choice Questions 1) Which one of the following statements about balanced equations is false? In a balanced reaction A) atoms must be balanced on both sides of the reaction arrow. B) mass must be conserved. C) molecules must be balanced on both sides of the reaction arrow. D) net charge must be balanced.
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4.3   Short Answer Questions 1) Among the compounds H3C–CH3, H2C=CH2, and HCCH, the compound with the strongest carbon-carbon bond is ________, and the compound with the longest carbon-carbon bond is ________. 2) Ionic compounds consist of a single three-dimensional network of ions that are attracted to one another by strong ________ and.
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11) What is the molecular geometry of TeCl4? A) seesaw B) square planar C) square pyramidal D) tetrahedral 12) What is the smallest bond angle in SF6? A) 60° B) 90° C) 109.5° D) 120° 13) Arrange in order from the smallest to the largest bond angle: CH3+, NF3, NH4+, XeF4. A) CH3+, NF3, NH4+, XeF4 B) NF3, NH4+, XeF4, CH3+ C).
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7.1   Multiple Choice Questions 1) The reaction HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(l) is best classified as a(n) A) acid-base neutralization reaction. B) oxidation-reduction reaction. C) precipitation reaction. D) single replacement reaction. 2) The reaction 2 HNO3(aq) + Ba(OH)2(aq) → Ba(NO3)2(aq) + 2 H2O(l) is best classified as a(n) A) acid-base neutralization reaction. B) oxidation-reduction reaction. C) precipitation.
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5.1   Multiple Choice Questions 1) How many of the σ bonds in H2SO4 are coordinate covalent bonds? A) 0 B) 2 C) 4 D) 6 2) What geometric arrangement of charge clouds is expected for an atom that has five charge clouds? A) tetrahedral B) square planar C) trigonal bipyramidal D) octahedral 3) Based on VSEPR theory, which should have the.
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41) What is the geometry around the central atom in the following molecular model of NO2-? A) linear B) bent C) trigonal planar D) trigonal pyramidal 42) What is the geometry around the central atom in the following molecular model of H2S? A) linear B) bent C) trigonal pyramidal D) tetrahedral 43) What is the geometry around the central atom.
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71) Using the following portion of the activity series for oxidation half reactions Mg(s) → Mg2+(aq) + 2e- Zn(s) → Zn2+(aq) + 2e- Cu(s) → Cu2+(aq) + 2e-  indicate which pairs of reactions will occur. A) Cu(s) with Zn2+(aq) and Zn(s) with Mg2+(aq) B) Mg(s) with Cu2+(aq) and Zn2+(aq) with Mg2+(aq) C) Mg(s) with Cu(s) and Zn(s).
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51) When iron(III) oxide reacts with hydrochloric acid, iron(III) chloride and water are formed. How many grams of iron(III) chloride are formed from 10.0 g of iron(III) oxide and 10.0 g of hydrochloric acid? A) 11.1 g B) 14.8 g C) 20.3 g D) 35.1 g 52) Balance the chemical equation given below, and calculate.
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