Balance the following half-reaction in an acidic solution: Cr₂O, → Cr3+

Q: 22. The following data (Table 1) was obtained in a chemical kinetics experiment of the decomposition…

A: The integrated rate law for the Zero order reaction is  The integrated rate law for the first order…

Q: A solution of ethylamine (CH3CH₂NH2; K₁ = 4.30 x 10-4) produces a pH = 12.67. What is the %…

A:

Q: Determine the concentrations of all major species in a solution of 1.06 M chronic acid, H,CrOlag).…

A:

Q: You are presented with a mystery as part of your practical experiment. You have a solution of…

A: Two subpart questions based on concentration terms. First question is about finding the H2SO4…

Q: 1. Which compound has the S configuration at its center of chirality? OH & NH₂ ņ afor HS. OH a. b.…

A: Carbon element has four valency.When four different groups are attached to carbon compound. Also,…

Q: In chemical thermodynamics, consider a reaction at constant pressure with a negative enthalpy…

A: Introduction:The spontaneity of a chemical reaction is a fundamental concept in thermodynamics. In…

Q: Question 1 Drain cleaner was created by mixing 16 g of sodium hydroxide in 600 mL of water. The pH…

A:

Q: Question 1 ( How many moles of sulfur ions are in 48 mol sample of Sodium sulfide? Enter your answer…

A: It is based on the concept of mole.Here we are required to find the Moles of sulphur ions present in…

Q: What is the impact of molecular chirality on the pharmacological activity of drugs, and how can it…

A: Introduction:The impact of molecular chirality on the pharmacological activity of drugs is a…

Q: Draw an energy level diagram for bromine

A: Here we have to draw energy level diagram for bromine:Energy level diagram:An energy level diagram…

Q: a. -Br 1. Mg 2. CO2 (H* workup) samosyo na sebios opums slognon noswiad anglisini sidoriqor

A:

Q: 99.5 nanomoles of an Os3+ complex are electrochemically Is the reduction product Os²+ or Os+?…

A: One mole of electrons have a charge of 96500 C. Given , moles of Os3+ reduced= 99.5 nano moles…

Q: what carbon makes this a d isomer

A: We have to explain what makes give sugar d isomer.

Q: Which of the following terms best describes the pair of compounds shown: CH3 Cl O meso compounds the…

A: 1. Enantiomer exist in two form which are related to each other as mirror and image .2.…

Q: An aqueous solution contains 3.6 mM of total ions. Part A If the solution is NaCl(aq), what is the…

A:

Q: A chemist has been asked to make the chemical Propyl propanoate. Draw and name the one initial…

A: The given compound is an ester and an ester can be synthesized by reacting a carboxylic acid with an…

Q: 9. In a galvanic cell containing all ions in standard conditions (25°C, 1.00 M), one half-cell…

A: From the data Find the which one can act as anode.

Q: which is a reducing sugar?? why?

A: OPTION C IS D FRUCTOSE AND OPTION D IS D GLUCOSE. HERE BOTH WILL BE REDUCING SUGAR.

Q: холбон ОН v=c=N NH₂

A: This reaction is the direct amide formation from carboxylic acids using  DCC…

Q: Calculate the pH and the equilibrium concentration of $² in a 5.45×10² M hydrosulfuric acid…

A:

Q: You are given 7.96 grams of pure Co-60 in a can. What is the initial activity in Ci? Provide your…

A: Given that 7.96 gm of pure Co-60 is in a can. We have to find the initial activity in Ci? To…

Q: What mass of Ca(NO3)2 is required to prepare a solution containing 0.595 mol of Ca(NO3)2?

A: For determination of the mass of Ca(NO3)2 needed for a solution with 0.595 moles of Ca(NO3)2, we…

Q: what is bromates structure with minimized formal charges

A: Answer :---- Bromate ion (BrO3-) has a central bromine atom bonded to three oxygen atoms. Here, in…

Q: Classify the Carbon (marked with a *) as being 1o, 20, 30. State a reason for  your classification.

A: In this question we have given an organic compound and we have to mark primary, secondary and…

Q: Which of the following pairs that are reasonable resonance forms? O pair: H pair. O pair: Me N N N…

A: Resonance means the lone pairs of any atom goes in conjugation to the next double bond or any…

Q: Complete the mechanisms for the following reactions. Ď A) B) Br Brz MeQH LDA Br Br

A: Any starting material follows different mechanistic pathway on application of different reagents and…

Q: A certain metal M forms a soluble sulfate salt M₂(SO4)3. Suppose the left half cell of a galvanic…

A: Concentration of left half cell = 4.50 M Concentration of right half cell Temperature = 40oC =…

Q: What is the formal charge of the indicated atom?

A: The formal  charge (F.C. or q) is the charge on atoms in a molecule in a covalent bond…

Q: a) b) c) H.C d) H2C H3C CH3 and CH₂ CH3 and CH3 CH3 and CH3 H3C H3C -CH3 CH3 and CH H3C. CH3 H3C CH3…

A:

Q: What is the relationship between the molecular structure and the chemical properties of a compound,…

A: The relationship between molecular structure and chemical properties is a fundamental concept in…

Q: The SN2 reaction of (S)-2-brombutan with cyanide (-CN) with the others from the server.

A:

Q: Which of the following pairs that are reasonable resonance forms? O pair: H O pair O pair: Me e e N…

A: In this question we have given some pairs of  organic compounds and we have to explain that which…

Q: ) What is the pH before any titrant has been added? What is the pH at the midpoint of the titration?…

A: Given,pH vs volume of strong monoprotic base curve Volume of monoprotic acid =20.0 mLconcentration…

Q: iv. H₂C H.C CH3 CH₂ 4 CH3

A: Alakne -----> Alkane (IUPAC)Alkylhalide -----> Haloalkane (IUPAC)Alkene -----> Alkene…

Q: what is the shorthanded notation of this fatty acid

A: Shorthand notation of the given fatty acid is to be determined.

Q: below are four compounds. Rank them according to enthalpy of vaporization from lowest to highest,…

A: Enthalpy of vapourization depends on the force of attraction present in a molecule.  Higher and…

Q: 51 190 ОН (i) H3C (ii) ОН H3C gne (iii) ОН

A: Acidity is defined as tendency of atom to release hydrogen ions when dissolved in water. In the…

Q: N N HO–CH, O, H H H N H OH OH What is the name of this molecule?

A: The name of the given molecule is Adenosine.

Q: An aqueous NaBr solution has a mass of 140.0 g and contains 28.00 g NaBr. Calculate the mass percent…

A:

Q: Question 4 Which type of radioactive decay is 59Mn most likely to undergo? B-decay Which type of…

A: Which isotope has the largest binding energy per nucleon ?28Si4He58Ni131Xe

Q: Question 20t Name the following compound: лимон Question 21 Name the following compound: what

A: The given compound are carboxylic acids and to name them first of all count the number of carbon and…

Q: A certain metal M forms a soluble sulfate salt MSO4. Suppose the left half cell of a galvanic cell…

A: As per the given information, this is basically concentration cell,where all the cell working due to…

Q: 1A. What is the trend for carbocation stability? 1B. In the reaction of 2-hexene with HBr, which of…

A:

Q: ОН CH₂OH OH OH CH2OH ОН OH OH

A: The anomeric carbon is formed when the open chain form of sugar is converted to cyclic form,in which…

Q: X Balance the chemical equation for each of the following: a. HCl(aq)+O₂(g) → H₂O(1)+ Cl₂(g) b.…

A: The balance chemical equation : has equal number of atoms on both sides of equation i.e. on the left…

Q: What is the solubility of Mg(OH)2 at a pH of 10.90? (Ksp Mg(OH)2 is 1.6 × 10-1³)

A: The  of pH of the solution = 10.90We have to calculate the solubility of .

Q: What volume of a0.317Mhydroiodic acid solution is required to neutralize11.7 mLof a0.178Mbarium…

A: Neutralization of 11.7 mL of 0.178 M barium hydroxide solution with 0.317 M hydroiodic acid…

Q: 21. Solid ammonium carbamate, NH4CO₂NH2, decomposes to ammonia and carbon dioxide when it sublimes:…

A: Reaction :Equilibrium constant value at 25 oC is

Q: Acetone is a common solvent that has a density of 0.7899(g)/(m)L. What volume of acetone, in…

A: Density of the acetone = 0.7899 g/mLmass of acetone = 49.9 gVolume of acetone = ? mL

Q: Consider a buffer made by adding 33.1 g of (CH3)2NH₂l to 250.0 mL of 1.42 M (CH) NH (Kb = 5.4 x 10…

A: