Chemistry concepts and calculations
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Which of the following properties of zinc are chemical properties? Check all tha
Which of the following properties of zinc are chemical properties? Check all that apply. It has a mass of 65.38 g. It is a bluish, white-colored metal. It reacts with chlorine to …
Which of the following properties of zinc are chemical properties? Check all tha
Which of the following properties of zinc are chemical properties? Check all that apply. It bums under a flame giving off zinc oxide fumes. It is a bluish, white-colored metal. It…
Which of the following protease enzymes is correctly identified with its specifi
Which of the following protease enzymes is correctly identified with its specificity ? Trypsin: cleaves on C -side of acidic amino acids chymotrypsin: cleaves on C-side of aliphat…
Which of the following proteins has a roughly spherical structure? A) Antibodies
Which of the following proteins has a roughly spherical structure? A) Antibodies B) Hemoglobin C) Integral protein D) Collagen What type of stabilizing interaction could there be …
Which of the following quantities an element has a value of zero in the standard
Which of the following quantities an element has a value of zero in the standard state? A. I only B. II only C. III only D. I land II E. I, ll, and II For the reaction: CO(g) + 2 …
Which of the following quantum numbers are not allowed in the hydrogen atom? For
Which of the following quantum numbers are not allowed in the hydrogen atom? For those that are incorrect state what is wrong. a) n = 3, l = 0, ml = 1 b) n = 4, l = 4, ml = 3 c) n…
Which of the following quantum numbers describes the shape of an orbital? In whi
Which of the following quantum numbers describes the shape of an orbital? In which orbital below would an electron (on average) be closest to the nucleus? Complete this chart for …
Which of the following questions could you reasonably investigate by doing Part
Which of the following questions could you reasonably investigate by doing Part 2 of Preparation and Properties of Salts? (One or more answers are possible.) Did I prepare an anhy…
Which of the following radicals is the most stable one? Which or the following s
Which of the following radicals is the most stable one? Which or the following sets of reagents can be used to bring about the transformation shown? A. H_2 O, H_3 O^+ B. Hg (OAc)_…
Which of the following reaction \'decarboxylation\' Any reaction producing carbo
Which of the following reaction 'decarboxylation' Any reaction producing carbon dioxide Loss of the carboxy - group in the form of carbon dioxide Any reaction involving the caqrbo…
Which of the following reaction pathways shows the effect of a catalyst (black)
Which of the following reaction pathways shows the effect of a catalyst (black) on an uncatalyzed reaction (gray)? Which of the following is true for a chemical reaction at equili…
Which of the following reactions are exothermic? A. 2Mg(s) + O_2(g) rightarrow 2
Which of the following reactions are exothermic? A. 2Mg(s) + O_2(g) rightarrow 2MgO(s) DeltaH = -1203 kJ/mol B. NH_3(g) + HCl(g) rightarrow NH_4Cl(s) DeltaH = -176 kJ/mol C. AgCl(…
Which of the following reactions are metathesis reactions? (a) 2KClO_3 rightarro
Which of the following reactions are metathesis reactions? (a) 2KClO_3 rightarrow 2KCl + 3O_2. (b) Cu (NO_3)_2 + Zn rightarrow Cu + Zn(NO_3)_2 (c) BaCO_3 + 2 HCl rightarrow BaCl_2…
Which of the following reactions are metathesis reactions? (a) 2KClO_3 rightarro
Which of the following reactions are metathesis reactions? (a) 2KClO_3 rightarrow 2KCl + 3O_2 (b) Cu(NO_3)2 + Zn rightarrow Cu + Zn(NO_3)_2 (c) BaCO_3 + 2 HCl rightarrow BaCl_2 + …
Which of the following reactions best describes the acid-base properties of ammo
Which of the following reactions best describes the acid-base properties of ammonia (NH_4) in aqueous solution? NH_3(aq) + H_2O(l) NH_4^+(aq) + OH^-(aq) NH_3(aq) + 3H_2O(l) N^3-(a…
Which of the following reactions corresponds to hydrolysis of NH^+ _4 in water s
Which of the following reactions corresponds to hydrolysis of NH^+ _4 in water solution? NH _4^+ (aq) + OH^-(aq) rightwards harpoon over leftwards harpoon NH _3(aq) + H _2O(l) NH …
Which of the following reactions could be driven by couping to the hydrolysis of
Which of the following reactions could be driven by couping to the hydrolysis of ATP? (The DeltaG prime value in kJ/mol for each reaction is indicated in parentheses.) 1. glucose-…
Which of the following reactions could be used to synthesize tort-butylbenzene?
Which of the following reactions could be used to synthesize tort-butylbenzene? a. C_6 H_6 + CH_2(C(CH_3)_2 b. C_6 H_6 + (CH_3) COH c. C_6 H_6 + (CH_3)_3 CCI d. All of these Which…
Which of the following reactions do you expect to have the smallest entropy chan
Which of the following reactions do you expect to have the smallest entropy change? A. 2HF(g) + CI_2(g) rightarrow 2HCI(g) + F_2(g) B. 2Fe(s) + 3/2O_2(g) rightarrow Fe_2O_3(s) C. …
Which of the following reactions is NOT spontaneous at standard state? 2Al(s) +
Which of the following reactions is NOT spontaneous at standard state? 2Al(s) + 3/2O2(g) = Al2O3(s) Carbon (graphite) + O2(g) = CO2(g) Ca(s) + H2O(l) = Ca(OH)2(aq) + ½H2(g) Any re…
Which of the following reactions is a redox reaction? Mg (s) + I_2 (aq) rightarr
Which of the following reactions is a redox reaction? Mg (s) + I_2 (aq) rightarrow MgI_2 (s) H_2SO_4 (aq) + 2NaOH (aq) rightarrow Na_2SO_4 (aq) + 2H_2O (l) 2K_3PO_4 (aq) + 3CuCl_2…
Which of the following reactions is expected to have a positive Delta S value? (
Which of the following reactions is expected to have a positive Delta S value? (Many of the substances below are not in Table 6. Use principles regarding the physical states of su…
Which of the following reactions is inconsistent with the assertion that benzene
Which of the following reactions is inconsistent with the assertion that benzene is aromatic? Br_2/CCl_4/25 degreeC right arrow no reaction H_2/Pu/25 degreeC rightarrow no reactio…
Which of the following reactions is possible according to Dalton\'s atomic theor
Which of the following reactions is possible according to Dalton's atomic theory? Which of the following reactions is possible according to Dalton's atomic theory? N2?O2 N2+O2?2NO…
Which of the following reactions is properly classified as a precipitation, redu
Which of the following reactions is properly classified as a precipitation, reduction/oxidation, and/or Bronsted-Lowry acid/base reaction? (1) CH3COOH(aq) + OH (aq) H2O(l) + CH3CO…
Which of the following reactions is unfavorable at low temperature but becomes f
Which of the following reactions is unfavorable at low temperature but becomes favorable as the temperature increases? 2 CO(g) + O_2(g) rbarr CO_2(g); Delta H degree = -566 kJ; De…
Which of the following reactions is unfavorable at low temperatures but becomes
Which of the following reactions is unfavorable at low temperatures but becomes favorable as the temperature increases? 2 CO(g) + O_2(g) rightarrow: delta H degree = -566 kJ; delt…
Which of the following reactions is/are redox reactions? You may select more tha
Which of the following reactions is/are redox reactions? You may select more than one reaction. Ba(s) + H2O(l) = BaO(s) + H2(g) AgNO3(aq) + KI(aq) = AgI(s) + KNO3(aq) P4(s, white…
Which of the following reactions is/are redox reactions? You may select more tha
Which of the following reactions is/are redox reactions? You may select more than one reaction. Na2CrO4(aq) + 2HCl(aq) = H2CrO4(aq) + 2NaCl(aq) (NH4)2S(aq) + CuSO4(aq) = (NH4)2SO…
Which of the following reactions is/are redox reactions? You may select more tha
Which of the following reactions is/are redox reactions? You may select more than one reaction. Pb(NO3)2(aq) + Ni(s) = Pb(s) + Ni(NO3)(aq) Ag+(aq) + e = Ag(s) HNO2(aq) + O3(g) = …
Which of the following reactions is/are redox reactions? You may select more tha
Which of the following reactions is/are redox reactions? You may select more than one reaction. BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2NaCl(aq) Cl2(g) + 2K(s) = 2KCl(s) O2 + H2O(l)…
Which of the following reactions is/are redox reactions? You may select more tha
Which of the following reactions is/are redox reactions? You may select more than one reaction. HCl(aq) + NaOH(aq) = H2O(l) + NaCl(aq) NiCl2(aq) + K2S(aq) = 2KCl(aq) + NiS(s) C2H…
Which of the following reactions proceeds with inversion of configuration at the
Which of the following reactions proceeds with inversion of configuration at the carbon bearing the leaving group? S_N2 S_N1 E2 E1 All of these answer choices arc correct. By anal…
Which of the following reactions provides tert-butyl methyl ether in a high yiel
Which of the following reactions provides tert-butyl methyl ether in a high yield? potassium tert-butoxide + iodomethane sodium methoxide + tert-butyl bromide methanol + tert-buty…
Which of the following reactions will have the larger emf under standard conditi
Which of the following reactions will have the larger emf under standard conditions? Why? Calculate Delta G for the reaction Example 17.3 Voltages listed in textbooks and handbook…
Which of the following reactions will occur spontaneously as written? Show your
Which of the following reactions will occur spontaneously as written? Show your work. 3Fe^2+ (ag) + Cr^3+ (ag) rightarrow Cr (s) + 3Fe^3+ (ag) 2Cr^3+ (ag) + 3Sn^2+ (ag) rightarrow…
Which of the following reactions would be most spontaneous at 298K? A + 2B right
Which of the following reactions would be most spontaneous at 298K? A + 2B rightarrow C; E = + 0. 98V A + B rightarrow 2C; E =-0.030V A + B rightarrow 3C; E +0.15V A + B rightarro…
Which of the following reactions would be suitable for analysis by conductometry
Which of the following reactions would be suitable for analysis by conductometry? (Select all that apply.) aluminum metal and nitric acid solution solutions of copper(II) nitrate …
Which of the following reactions would work well to produce its intended product
Which of the following reactions would work well to produce its intended product? The reaction of acetic benzoic anhydride with isopentyl alcohol in the presence of pyridine to pr…
Which of the following reactions would you predict to have the largest orientati
Which of the following reactions would you predict to have the largest orientation factor? A) H(g) + Cl(g) HCl(g) B) NOF(g) + NOF(g) 2NO(g) + F2(g) C) Br2(g) + H2C=CH2(g) H2BrC-CB…
Which of the following reactions, from that figure, LEAST resembles a reaction f
Which of the following reactions, from that figure, LEAST resembles a reaction from another pathway we have studied this quarter -- for instance, least resembles a reaction from g…
Which of the following reacts fastest with NaOH in ethanol by S_N 2 mechanism. C
Which of the following reacts fastest with NaOH in ethanol by S_N 2 mechanism. CH_3 Cl CH_3 Br CH_3 I CH_3 CH_2 Cl CH_3 CH_2 I Which of the following reagent(s) can be used to pre…
Which of the following reacts fastest with NaOH in ethanol by S_N2 mechanism. CH
Which of the following reacts fastest with NaOH in ethanol by S_N2 mechanism. CH_3Cl CH_3 Br which of the following reagent can be used to prepare benzoic acid (Ph-CO_2-H) from Fe…
Which of the following reacts fastest with NaOH in ethanol by S_N2 mechanism. Wh
Which of the following reacts fastest with NaOH in ethanol by S_N2 mechanism. Which of the following reagent(s) can be used to prepare benzoic acid (Ph-CO_2H) from toluene? Fe/H_2…
Which of the following reacts the fastest by the S_N2 mechanism? A) CH_3Br B) CH
Which of the following reacts the fastest by the S_N2 mechanism? A) CH_3Br B) CH_3CH_2Br C) (CH_3)_2CHBr D) (CH_3)_3CBr Which of the following bases works best to maximize the E2 …
Which of the following reacts the fastest by the S_N2 mechanism? A) CH_3CH_2Br D
Which of the following reacts the fastest by the S_N2 mechanism? A) CH_3CH_2Br D) (CH_3)_2CHBr C) (CH_3)_3CBr D) CH_2Br Which of the following bases works best to maximize the E2 …
Which of the following reacts the fastest by the S_N2 mechanism? A) CH_3CH_2Br D
Which of the following reacts the fastest by the S_N2 mechanism? A) CH_3CH_2Br D) (CH_3)_2CHBr C) (CH_3)_3CBr D) CH_2Br Which of the following bases works best to maximize the E2 …
Which of the following reagent (s) can be used to convert an ester to aldehyde (
Which of the following reagent (s) can be used to convert an ester to aldehyde (A) DIBALH then H_3O^- (B) NBS (C) H_2 (D) NaBH_4 then H_3O (E) LiAIH_4/H_O Which of the following r…
Which of the following reagent (s) gives the reaction below (A) H_2SO_4 (B) NBS
Which of the following reagent (s) gives the reaction below (A) H_2SO_4 (B) NBS (C) H_2 (D) NaBH_4/H_3O^- (E) LiAIH_4/H_3O^- Product of the following reaction is: (A) methylbenzen…
Which of the following reagent(s) can be used to convert 3-methyl pentanoic acid
Which of the following reagent(s) can be used to convert 3-methyl pentanoic acid to 3-methyl I pentanol? (A) H_2/Pd-C (B) CH_3MgBr/H_3O^- (C) NaBH_4,/H_3O^- (D) LiAIH_4/H_3O^- (E)…
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