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This question has multiple parts. Work all the parts to get the most points. a Consider...
b Consider the reaction: Ca(s) +2 H2001) + Ca(OH)2(aq) +2H2(g) -285.83 -1002.82 AH" (kJ/mol) S°(J/K) mol...
b Consider the reaction: Ca(s) +2 H2001) + Ca(OH)2(aq) +2H2(g) -285.83 -1002.82 AH" (kJ/mol) S°(J/K) mol 41.59 69.95 -74.5 130.7 Is the reaction spontaneous at 298 K? AH° = -431.16 AS° = 5.41 AG° = -432.77 O Yes O No Submit Submit Answer Retry Entire Group 9 more group attempts remaining
c is the reaction: Ca(s) + 2 H20(1) Ca(OH)2(aq) + 2H2(8) -285.83 -1002.82 AH °(kJ/mol) S°(J/K)...
c is the reaction: Ca(s) + 2 H20(1) Ca(OH)2(aq) + 2H2(8) -285.83 -1002.82 AH °(kJ/mol) S°(J/K) mol 41.59 69.95 -74.5 130.7 AH° = -431.16 AS° = 5.41 AG° = -432.77 enthalpy favored Oneither enthalpy and entropy favored O entropy favored O both enthalpy and entropy favored Submit
This question has multiple parts. Work all the parts to get the most points. Use bond...
This question has multiple parts. Work all the parts to get the most points. Use bond energies, values of electron affinities, and the ionization energy of hydrogen (1312 kJ/mol) to estimate AH for the following reaction. Bond Energies Electron Affinities H-F (565 kJ/mol) F(9) (-328 kJ/mol) H-CI (427 kJ/mol) C1(9) (-349 kJ mol) H-I (295 kJ/mol) [(9) (-295 kJ/mol) 0-H (467 kJ/mol) OH(9) (-180. kJ/mol) a H20(g) → H*(g) + OH (9) AH = kJ 6 HC1(9) + H*(9) +...
(References) This question has multiple parts. Work all the parts to get the most points. The...
(References) This question has multiple parts. Work all the parts to get the most points. The reaction 2NO() + 2H2(g) → N (9) + 2H20(9) was studied at 904°C, and the data in the table were collected, Reaction Rate of Trial Concentration Appearance of Ne (mol/L) (mol/L-s) [NO] [H.] 1 0.420 0.122 0.136 2 0.210 0.122 0.0339 3 0.210 0.244 0.0678 4 0.106 0.488 0.0339 a which two reaction trials can be used to determine the order of the reaction...
[References) This question has multiple parts. Work all the parts to get the most points. An...
[References) This question has multiple parts. Work all the parts to get the most points. An energy of 7.0 x 10 J/atom is required to cause a copper atom on a metal surface to lose an electron a Calculate the longest possible wavelength of light that can ionize a copper atom. Wavelength D m Submit Submit Answer Submit Answer T ry Another Version Try Another Version 9 item attempts remaining iom attempts remaining Previous Next
This question has multiple parts. Work all the parts to get the most points How many...
This question has multiple parts. Work all the parts to get the most points How many molecules are in each of the following? a 3.5 mol of TNT, C7H3N306 molecules (b one drop (0.0500 g) of water molecules C 3.9 x 10 g of aspirin, Cg HgO4 molecules Try Another Version 10 item attempts remaining Submit Answer Ethyl chloride is prepared by the reaction of chlorine with ethane according to the following balanced equation C2He(g)+Cl2(g) Ethane C2H5CI()+HCI(g) Ethyl chloride When...
This question has multiple parts. Work all the parts to get the most points. Specify which...
This question has multiple parts. Work all the parts to get the most points. Specify which of the following are oxidation-reduction reactions, and if it is, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. If it is not, select No and leave the following boxes blank. Express your answers as a chemical formulas. Omit states-of-matter. Zn(s)+2Ag (aq)2 Ag(a) +Zn2+ (aq) Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced HBr(g) +NH, (g)NH4Br(s)...
apter Problems (Referen This question has multiple parts. Work all the parts to get the most...
apter Problems (Referen This question has multiple parts. Work all the parts to get the most points. a Calculate the number of moles in 40.3 g of MgCl2 mol b Calculate the number of moles in 136 mg of Li,. mol C Calculate the number of moles in 1.30 kg of Cr. mol Submit Answer Try Another Version 10 item attempts remaining
This question has multiple parts. Work all the parts to get the most points. Protein X...
This question has multiple parts. Work all the parts to get the most points. Protein X contains a remarkably long a-helix with 59 residues. a How long is this a-helix (in nm)? (The helix repeats every 0.54 nm (3.6 amino acid residues), and the distance along the helical axis between residues is 0.15 nm.) nm Submit Submit Answer Try Another Version 10 item attempts remaining
just b please thank you. This question has multiple parts. Work all the parts to get...
just b please thank you.
This question has multiple parts. Work all the parts to get the most points. A titration of 21.7 mL of a solution of the weak base aniline, CH NH, (K) = 4.0 x 10-1), requires 24.35 mL of 0.175 M HCl to reach the equivalence point. C.H NH, (aq) + H, 0+ (aq) = CH NH,+ (aq) + H, 0(1) a What was the concentration of aniline in the original solution? Concentration - 196 MV...
b Consider the reaction: Ca(s) +2 H2001) + Ca(OH)2(aq) +2H2(g) -285.83 -1002.82 AH" (kJ/mol) S°(J/K) mol 41.59 69.95 -74.5 130.7 Is the reaction spontaneous at 298 K? AH° = -431.16 AS° = 5.41 AG° = -432.77 O Yes O No Submit Submit Answer Retry Entire Group 9 more group attempts remaining
c is the reaction: Ca(s) + 2 H20(1) Ca(OH)2(aq) + 2H2(8) -285.83 -1002.82 AH °(kJ/mol) S°(J/K) mol 41.59 69.95 -74.5 130.7 AH° = -431.16 AS° = 5.41 AG° = -432.77 enthalpy favored Oneither enthalpy and entropy favored O entropy favored O both enthalpy and entropy favored Submit
This question has multiple parts. Work all the parts to get the most points. Use bond energies, values of electron affinities, and the ionization energy of hydrogen (1312 kJ/mol) to estimate AH for the following reaction. Bond Energies Electron Affinities H-F (565 kJ/mol) F(9) (-328 kJ/mol) H-CI (427 kJ/mol) C1(9) (-349 kJ mol) H-I (295 kJ/mol) [(9) (-295 kJ/mol) 0-H (467 kJ/mol) OH(9) (-180. kJ/mol) a H20(g) → H*(g) + OH (9) AH = kJ 6 HC1(9) + H*(9) +...
(References) This question has multiple parts. Work all the parts to get the most points. The reaction 2NO() + 2H2(g) → N (9) + 2H20(9) was studied at 904°C, and the data in the table were collected, Reaction Rate of Trial Concentration Appearance of Ne (mol/L) (mol/L-s) [NO] [H.] 1 0.420 0.122 0.136 2 0.210 0.122 0.0339 3 0.210 0.244 0.0678 4 0.106 0.488 0.0339 a which two reaction trials can be used to determine the order of the reaction...
[References) This question has multiple parts. Work all the parts to get the most points. An energy of 7.0 x 10 J/atom is required to cause a copper atom on a metal surface to lose an electron a Calculate the longest possible wavelength of light that can ionize a copper atom. Wavelength D m Submit Submit Answer Submit Answer T ry Another Version Try Another Version 9 item attempts remaining iom attempts remaining Previous Next
This question has multiple parts. Work all the parts to get the most points How many molecules are in each of the following? a 3.5 mol of TNT, C7H3N306 molecules (b one drop (0.0500 g) of water molecules C 3.9 x 10 g of aspirin, Cg HgO4 molecules Try Another Version 10 item attempts remaining Submit Answer Ethyl chloride is prepared by the reaction of chlorine with ethane according to the following balanced equation C2He(g)+Cl2(g) Ethane C2H5CI()+HCI(g) Ethyl chloride When...
This question has multiple parts. Work all the parts to get the most points. Specify which of the following are oxidation-reduction reactions, and if it is, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. If it is not, select No and leave the following boxes blank. Express your answers as a chemical formulas. Omit states-of-matter. Zn(s)+2Ag (aq)2 Ag(a) +Zn2+ (aq) Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced HBr(g) +NH, (g)NH4Br(s)...
apter Problems (Referen This question has multiple parts. Work all the parts to get the most points. a Calculate the number of moles in 40.3 g of MgCl2 mol b Calculate the number of moles in 136 mg of Li,. mol C Calculate the number of moles in 1.30 kg of Cr. mol Submit Answer Try Another Version 10 item attempts remaining
This question has multiple parts. Work all the parts to get the most points. Protein X contains a remarkably long a-helix with 59 residues. a How long is this a-helix (in nm)? (The helix repeats every 0.54 nm (3.6 amino acid residues), and the distance along the helical axis between residues is 0.15 nm.) nm Submit Submit Answer Try Another Version 10 item attempts remaining
just b please thank you.
This question has multiple parts. Work all the parts to get the most points. A titration of 21.7 mL of a solution of the weak base aniline, CH NH, (K) = 4.0 x 10-1), requires 24.35 mL of 0.175 M HCl to reach the equivalence point. C.H NH, (aq) + H, 0+ (aq) = CH NH,+ (aq) + H, 0(1) a What was the concentration of aniline in the original solution? Concentration - 196 MV...
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