Chemistry concepts and calculations

Which one of the following equations correctly represents alpha decay of 222 86

Which one of the following equations correctly represents alpha decay of 22286Rn? Answer                                                   a.            22286Rn  ?     22287Fr  + …

Which one of the following equations represents the formation reaction of CH3OHU

Which one of the following equations represents the formation reaction of CH3OHU? C(g) + 4H(g) + O(g) rightarrow CH3OH(l) C(graphite) + 2H2(g) + 1/2O2(g) rightarrow CH3OH(l) C(g) …

Which one of the following equations represents the reactionof a weak acid with

Which one of the following equations represents the reactionof a weak acid with a weak base? a. H+(aq) + OH-(aq) --->H2O(aq) b. H+(aq) + CH3NH2(aq)---> CH3NH3+(aq) c. OH-(aq…

Which one of the following exhibits dipole-dipole attraction between mole XeF_4

Which one of the following exhibits dipole-dipole attraction between mole XeF_4 AsH_3 CO_2 BCl_3 Cl_2 What types of intcrmolecular forces exist between PH_3 and N_2? dispersion fo…

Which one of the following exhibits dipole-dipole attraction between molecules?

Which one of the following exhibits dipole-dipole attraction between molecules? XeF^4 AsH_3 C0_2 BC1_3 C1_2 What types of intermolecular forces exist between PH_3 and N_2? dispers…

Which one of the following exhibits dipole-dipole attraction between molecules?

Which one of the following exhibits dipole-dipole attraction between molecules? XeF_4 AsH_3 CO_2 BCl_3 Cl_2 What types of intermolccular forces exist between PH_3 and N_2? dispers…

Which one of the following exhibits dipole-dipole attraction between molecules?

Which one of the following exhibits dipole-dipole attraction between molecules? XeF_4 AsH_3 Co_2 BCI_3 CI_2 What types of intermolecular forces exist between PH_3 and N_2? dispers…

Which one of the following functional groups is found in alcohols a. A b. B c. C

Which one of the following functional groups is found in alcohols a. A b. B c. C d. D e. E The electron configuration of a Cr^3+ ion is a. [Ar]3d^5. b. [Ar]4s^13d^2. c. [Ar]3d^3 d…

Which one of the following household substances is a base? Washing soda Table sa

Which one of the following household substances is a base? Washing soda Table salt Tomato ketchup Vinegar A Bronsted-Lowry base is defined as: an electron pair acceptor a hydroxid…

Which one of the following is NOT an advantage of lithium batteries? a. the extr

Which one of the following is NOT an advantage of lithium batteries? a. the extremely negative standard reduction potential of lithium b. the small molar mass of lithium c. the hi…

Which one of the following is NOT correct? a. HCIO_4 is a stronger acid than HCl

Which one of the following is NOT correct? a. HCIO_4 is a stronger acid than HClO_3. b. HCIO is a stronger acid than HCI. c. HCIO_2 is a weaker acid than HClO_3. d. CIO^- is a str…

Which one of the following is a FALSE statement about the E1 and E2 mechanisms f

Which one of the following is a FALSE statement about the E1 and E2 mechanisms for alcohol dehydration? Which one of the following is a FALSE statement about the E1 and E2 mechani…

Which one of the following is a correct expression, for molarity? mol solute/L s

Which one of the following is a correct expression, for molarity? mol solute/L solvent M solute/mL solvent O mmol solute/ml. solution mol solute/kg solvent nmol solute/L solution …

Which one of the following is a reasonable transition state structure for the ra

Which one of the following is a reasonable transition state structure for the rate-determining step in dehydration reaction of Ethanol (CH3CH2OH) by E2 mechanism? *Note: the descr…

Which one of the following is a reducing agent? Ag2O Ce4 + H2 H2O2 Given F2, I2,

Which one of the following is a reducing agent? Ag2O Ce4 + H2 H2O2 Given F2, I2, Cl2, Br2, the most reducing agent is F2 I2 Cl2 Br2 None of the above The of the cell Calculate for…

Which one of the following is a strong acid? NH_3 H_2SO_4 CH_2COOH HF HSO_4^- Wh

Which one of the following is a strong acid? NH_3 H_2SO_4 CH_2COOH HF HSO_4^- What is the pH of a solution with [H^+] = 1.0 times 10^-5 M? 1.0 times 10^-3 3.0 5 -2.52 11.0 The [H_…

Which one of the following is always positive when a spontaneous process occurs?

Which one of the following is always positive when a spontaneous process occurs? Delta S_universe Delta S_system Delta S_surroundings Delta H_universe Delta H_surroundings For the…

Which one of the following is an incorrect representation of the indicated parti

Which one of the following is an incorrect representation of the indicated particle or nucleus? A) position beta B) neutron n C) helium-3 ^1_2He D) alpha particle ^4_2 He E) proto…

Which one of the following is an ionic compound? a. SO b. CIO2 c. Ho Which one o

Which one of the following is an ionic compound? a. SO b. CIO2 c. Ho Which one of the oxoacid formulas and names is not correctly matched? a. H SO, sulfurous acid b. HCl(g) hydroc…

Which one of the following is an ionic compound? a. SO b. CIO2 c. Ho Which one o

Which one of the following is an ionic compound? a. SO b. CIO2 c. Ho Which one of the oxoacid formulas and names is not correctly matched? a. H SO, sulfurous acid b. HCl(g) hydroc…

Which one of the following is an isolated diene? Which one of the following dien

Which one of the following is an isolated diene? Which one of the following dienes CANNOT react in Diels-Alder reaction? Which bond would show a strong, sharp absorption in the IR…

Which one of the following is maintained during a chemical reaction? the number

Which one of the following is maintained during a chemical reaction? the number of atoms present in the reactants the identity of the atoms present in the reactants the arrangemen…

Which one of the following is most soluble in hexane (C_6H_14)? CH3CH2CH2CH2CH20

Which one of the following is most soluble in hexane (C_6H_14)? CH3CH2CH2CH2CH20H CH30H CH3CH2CH20H CH3CH2CH2CH20H CH3CH20H Ether layer is used to separate fibres inorganic impuri…

Which one of the following is most soluble in water? CH_3CH_2CH_2OH CH_3CH_2CH_2

Which one of the following is most soluble in water? CH_3CH_2CH_2OH CH_3CH_2CH_2OH_2OH CH_3OH CH_3CH_2OH CH_3CH_2CH_2CH_2CH_2OH The solubility of nitrogen gas at 25 degree c and 1…

Which one of the following is not a componentof each monomer used to make protei

Which one of the following is not a componentof each monomer used to make proteins? a phosphorous atom, P a side chain, R a carboxyl group, COOH an amino functional group, NH2 Whi…

Which one of the following is not a primary metallic lattice structure : Which o

Which one of the following is not a primary metallic lattice structure : Which one of the following is not a primary metallic lattice structure : Body-centered cubic lattice. Face…

Which one of the following is not an objective of the Analysis of Phosphate in W

Which one of the following is not an objective of the Analysis of Phosphate in Water experiment? To determine the phosphate content of a water sample using a simple colorimeter. A…

Which one of the following is the hardest? Which one of the following is NOT the

Which one of the following is the hardest? Which one of the following is NOT the method to strengthen the metal? What is the percent cold work (%CW) of a cylindrical copper rod wh…

Which one of the following is the most effective method for the synthesis of the

Which one of the following is the most effective method for the synthesis of the compound shown https://s3.amazonaws.com/answer-board-image/92b35d3b-2bbe-4a67-982e-13a3112951ff.jp…

Which one of the following is the most effective method for the synthesis of the

Which one of the following is the most effective method for the synthesis of the compound shown https://s3.amazonaws.com/answer-board-image/92b35d3b-2bbe-4a67-982e-13a3112951ff.jp…

Which one of the following items best describes the meaning of the square of the

Which one of the following items best describes the meaning of the square of the wave function, ?2 ? It represents the ground state electron configuration of an atom. It represent…

Which one of the following items does not characterize a reducing agent? A) A re

Which one of the following items does not characterize a reducing agent? A) A reducing agent losses electrons. B) A reducing agent causes another species to be reduced. C) The oxi…

Which one of the following molecules are chiral? please help with 20-23 Which on

Which one of the following molecules are chiral? please help with 20-23 Which one of the following molecules is chiral? Hydrocarbons containing carbon-carbon triple bonds are call…

Which one of the following nonpolar molecules has the highest boiling point? Whi

Which one of the following nonpolar molecules has the highest boiling point? Which ONE is NOT an ionic solid? NaCl (sodium chloride) MgSO_4 (magnesium sulfate) K (potassium) CacO_…

Which one of the following nuclei has a magic number of neutrons and/or protons?

Which one of the following nuclei has a magic number of neutrons and/or protons? Answer                                                   a.            5224Cr                     …

Which one of the following numbers does not have four signficant. a.1.007g b.0.0

Which one of the following numbers does not have four signficant. a.1.007g b.0.0007g c.1.070g d.1700.g e.1.700g how many signficant figures are persent in 1.519x10 to the power of…

Which one of the following numbers does not have four signficant. a.1.007g b.0.0

Which one of the following numbers does not have four signficant. a.1.007g b.0.0007g c.1.070g d.1700.g e.1.700g how many signficant figures are persent in 1.519x10 to the power of…

Which one of the following pairs are isoelectronic? a) Mn^2+ and Ar b) Zn^2+ and

Which one of the following pairs are isoelectronic? a) Mn^2+ and Ar b) Zn^2+ and Cu^2+ c) Na^+ and K^+ d) Cl^- and S c) K^+ and Cl^- What is the formal charge on the bromine atom …

Which one of the following pairs cannot be mixed together to form a buffer solut

Which one of the following pairs cannot be mixed together to form a buffer solution? KOH, HNO_2 H_2SO_3, KHSO_3 NaCl, HCl RbOH, HF HONH_2, HONH_3CI A solution containing which one…

Which one of the following processes does not depend on the oxidation of hexoses

Which one of the following processes does not depend on the oxidation of hexoses for an energy source? A. glycogen synthesis B. fat synthesis C. cellulose synthesis D. protein syn…

Which one of the following processes produces a decrease of the entropy of the s

Which one of the following processes produces a decrease of the entropy of the system dissolving sodium chloride in water sublimation of naphthalene explosion of nitroglycerine di…

Which one of the following redox reactions (as written) will generate the highes

Which one of the following redox reactions (as written) will generate the highest cell voltage? A. Pt / H+ (aq, 1.0 M) / H2 (g, 1 atm) // Ag+ (aq, 1.0 M) / Ag   B. Pt / H+ (aq, 1.…

Which one of the following represents an acceptable set of quantum numbers for a

Which one of the following represents an acceptable set of quantum numbers for an electron in an atom? (arranged as n, l, m, and ms 3, 3, 3,-1 / 2 3, 3, 3,1/2 2, 2,-1,-1 / 2 5,4,-…

Which one of the following represents an impossible set of quantum numbers for a

Which one of the following represents an impossible set of quantum numbers for an electron in an atom? (arranged as n, I, m, and m) A) 3, 2, -2, 1/2 B) 3, 2, 2, -1/2 C) 3, 2, 0, +…

Which one of the following sails, when dissolved in water, produces the solution

Which one of the following sails, when dissolved in water, produces the solution with the highest pH? A) NaHSO_3 B)NaClO_4 C) RaO D) Na_3 PO_4 E) KF If an equal number of moles of…

Which one of the following salts forms aqueous solutions with pH = 7? Na_2S NaBr

Which one of the following salts forms aqueous solutions with pH = 7? Na_2S NaBr NaCIO_2 NaNO_2 Na_2CO_3 The pH of an aqueous sodium fluoride (NaF) solution is ___ because ___ 7; …

Which one of the following salts gives an acidic aqueous solution? NaH_2PO_4 KBr

Which one of the following salts gives an acidic aqueous solution? NaH_2PO_4 KBr KCN KNO_3 Na_3PO_4 Which one of the following salts gives a basic aqueous solution? NaCH_3CO_02 KI…

Which one of the following sets of quantum numbers is not possible? What is the

Which one of the following sets of quantum numbers is not possible? What is the maximum number of electrons in an atom that can have the following set of quantum numbers? n = 4 l …

Which one of the following solutes, when completely dissolved in 1kg of water, w

Which one of the following solutes, when completely dissolved in 1kg of water, will cause the greatest elevation in the boilingpoint? If you think that two solutes will have the s…

Which one of the following species could not react as a Bronsted-Lowry base? NH_

Which one of the following species could not react as a Bronsted-Lowry base? NH_4^+ HH_2^- CN^- F^- CH_3COO^- Which one of the following pairs of acids is incorrectly listed Stron…