A chemical reaction is most likely to be spontaneous if it is accompanied by A. increasing energy B. lowering energy C. decreasing entropy D. increasing entropy E. None of the above. ΟΕ OB ΟΑ OD O C

Q: All of the following are properties of zinc. Which is NOT a physical property. OIt corrodes with…

A: Which of the following is not a physical property of zinc?

Q: What is the IUPAC name for the complex [(CH3CH2)2NH2]2[CuCl4]

A: 1) Name of cation is written followed by name of anion  2) while writing we should name the ligand…

Q: a which of the following monomers could form an addition polymer? C₂H4 HO-CH,-CH2-OH CH3-NH, C5 H12…

A: Here we have to determine the compound that can able to form additional polymer and condensation…

Q: Calculate the vapor pressure of ethyl alcohol at 25 degrees Celsius if 72 g of glucose is dissolved…

A: Raoult's Law :-  It states that,  "The relative lowering vapor pressure of a dilute solution…

Q: + e Mn2+ E = +0.32 - - 2e → V E = -0.49 answer should be entered with 3 DIGITS; do not enter units;…

A: In electrochemical cell,  Standard cell potential is given by E°cell = E°c - E°a = -0.49 -(0.32) =…

Q: What is the pH of a 0.0025 molar acidic solution?

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Q: Electrolysis of molten  NaClNaCl is done in a Downs cell operating at 7.0 volts (V) and 5.0×104 AA .…

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Q: A group of students conducted a similar experiment to Part 3 (note the differences in concentration…

A: As per Nernst equation, potential of a cell is given as: Ecell=Ecell0-0.0591nlog Q

Q: gas occupies 1.56 L at 1.00 atm. What will be the volume of this gas if the pressure becomes 3.00…

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Q: For each of the following pairs, indicate which one of the two species is larger: (a) For F *0% H…

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Q: Chemistry 1a. Draw the structure of dehydroascorbic acid. 1b. Draw the structure for ascorbic acid.…

A: Ascorbic acid is an acid and dehydroascorbic acid will be the dehydrated form of ascorbic acid. In…

Q: Interconversions of acid derivatives O acid chloride || R-C-CI O O || R-C-0-C-R anhydride O R-C-OR'…

A: Note : Carboxylic acid derivatives undergo acyl substitution reactions with different nucleophiles…

Q: A 1.0325-g sample of a wheat flour was analyzed by the Kjeldahl procedure. The ammonia formed was…

A: The excess of HCl used can be calculated using, Millimoles of NaOH = millimoles of HCl Getting this…

Q: A galvanic cell is prepared using copper and silver. Its cell notation is shown below: Cu(s) | Cu2+…

A: Below attached file showing the details answer.  All the best.

Q: Draw the main components that will be present in any HPLC and GC instrument respectively.

A: The five major HPLC components and their functions   The Pump: The role of the pump is to propel…

Q: Provide reagents and conditions to produce the products indicated. CH3 CH3 CH3 названи H₂N. H3C. CH3…

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Q: How do you use the amount of 0.01 M NaOH used in titration to determine protein content? NaOH was…

A: NaOH being a secondary standard, is standardized using KHP.

Q: O NH3+ -OOC The amino acid at the C-terminus: -00C The amino acid at the N-terminus: NH HN

A: Peptide bond :-  The amide linkage (-CO-NH-) formed by the removal of water when -COOH group of one…

Q: c. Describe the coupling pattern (i.e. doublet, triplet, doublet of doublets, etc.) for the peak at…

A: Solutions- Coupling pattern is the doublet, triplet,   the 1H NMR spectrum was obtained on a 300 MHz…

Q: Balance the reaction between CIO3 and Fe²+ to form CI and Fe³+ in acidic solution. When you have…

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Q: Consider the following reaction at 298K. Fe³+ (aq) + Cu+ (aq)→→→→→→→ Fe²+ (aq) + Cu²+ (aq) The…

A: Given,  Fe3+(aq) + Cu+(aq) -----------> Fe2+(aq) + Cu2+(aq)  The standard Gibbs free energy is -…

Q: A solution contains alanine and serine. What are the possible dipeptide products that can form from…

A: Dipeptide is a formed when two amino acids are joined by a peptide bond (-Co-NH bond). How many…

Q: The volume of a person's lungs is 600.0 mL at a pressure of 760mmHg. When the lungs expanded to 610…

A: Boyles's law states that, the pressure of the gas is inversely proportional to the volume, provided…

Q: Consider the following reaction at 298K. 2Fe³+ (aq) + Fe(s) 2Fe2+ (aq) + Fe²+ (aq) The standard…

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Q: Configurational isomers MIGHT have: the same characteristic peaks in their IR spectra O the same…

A: The configurational isomers will have the same molecular structure with the same connection. But…

Q: Give a structural abbreviated structural and skeletal formulas for the linear hydrocarbon with the…

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Q: Write all resonance structures H₂N - Due to resonance structure(s); is the amine more or less basic,…

A: Let us first draw the structures and then solve the questions.

Q: A firm cleans chemical tank cars in the St. Louis bay area. With standard equipment, the firm…

A: Given, Info Standard Equipments Large Equipment Output / Month 70 Chemical tank cars 60…

Q: Assign the IUPAC names of the following structures H Br محدد O OH H

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Q: H-CI *** →

A: 1,4- product is formed in thermodynamic controlled product formation case. Where more stable alkene…

Q: (d) Exchange of H₂O for D₂O in [Cr(H₂O)]³+ is extremely slow (k = 2.6 x 10-6 s-¹ at 25°C), while for…

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Q: Krypton-81 has a half-life of 2.29 × 105 years. A 750-mg sample of Krypton-81 undergoes electron…

A: A question based on nuclear chemistry that is to be accomplished.

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which of the following is not a feature of the Nickel - Cadmium (Nicad) Cell? O a. During discharge,…

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Q: How many calories could be needed to melt 10 grams of ice at 0 c

A: Heat is required to convert ice at zero degree Celsius to water at zero degree Celsius.hence only…

Q: The eqalibrium constant, K, for a redox reaction. 18 related to the standard potentials to, by the…

A: Given: Equilibrium constant for the reaction = 9.10 × 10-4  And the reaction is X (s) + Y+ (aq) → X+…

Q: Consider the reaction of chlorine with manganese dioxide: 3 Cl2(s) + 2 MnO2(s) + 8 OH(aq) →6 Cl(aq)…

A: Equilibrium constant  is defined as the product of concentration of products divided by the product…

Q: Forty grams of powdered banana pulp was mixed with 80.00 mL of cold Tris-HCl extracting buffer to…

A: 1. The original concentration of standard solution is 2 mg/mL.

Q: -). A new procedure for determining cholesterol in blood serum was used with a NIST standard sample…

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Q: A solution contains NaHCO3, Na2CO3, and NaOH, either alone or in permissible combination. Titration…

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Q: A mixture of 0.15 M acetic acid and 0.34 sodium acetate is given. Calculate the pH of the medium if…

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Q: How many KJ of energy are released when 6.39 g of Fe reacts with excess O₂? Given the following…

A: Given :  Mass of Fe = 6.39 gm  4Fe + 3O2 -----> 2Fe2O3.      ∆H = -1625 KJ

Q: What is the concentration of a solution of phosphoric acid if 10.00mL of it is titrated with 32.58mL…

A: V1S1 = V2S2 ( V1 = volume of acid ,S1 =strength of acid, =V2 = volume of base , S2=strength of base)…

Q: Molecules Nitrogen trifluoride Carbon diselenide Aluminum triiodide Lewis structure Dots Lone pair…

A: The Shape is determined  by the central atom and its valence  electron.

Q: What is the purpose of NaCl in the experiment? Will the same result be obtained if thereacting…

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Q: 2. A 132 mL sample of Ca(OH)2 solution was titrated with 2.45 M H₂SO4. 287 mL of the acid was…

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Q: [NH₂] = 3.6 X 102 mol L- 12.34 The equilibrium constant for the reaction, 3 H₂(g) + N₂(g) 22 NH3(g),…

A: Equilibrium constant is defined as ratio of concentration of product to the concentration of…

Q: A coffee-cup calorimeter contains 60 mL of water with an initial temperature of 24.9°C. An unknown…

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Q: . Draw the condensed structural formula of the following alcohols. 1. 5-Ethyl-4-methyl-1-heptanol 2.…

A: (1) 5-Ethyl-4-methyl-1-heptanol -  It has main chain of seven carbons with one methyl group at…

Q: llus_engine.html?ClassID=1834324617# 9H₂0 +9cal = 2020 J qunknown = -2020 J The thermal energy comes…

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