oxidation state OXI

Q: Calculate the pH of a buffer solution prepared by mixing 25 mL of 0.5 M lactic acid and 75 mL of 1.0...

A: Buffer solution  buffer solution is a solution that only changes slightly when an acid or a base is ...

Q: Calculate change in pH when 50 mL of a buffer is added with 5 mL of 0.10 M NaOH. The buffer has a co...

A: Buffer solution is a type of a solution which can resist the change in its pH when small amount of H...

Q: ieous ethanol solutions are prepared by mixing measured weights of assayed ethanol and organic-free ...

A: To Solve this problem first we have to calculate the number of moles of ethanol then we will calcula...

Q: 12. In which of the following does sulfur have the highest oxidation state? A) SO B) Ss C) H:SO4 D) ...

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Q: Balance the reactions below using the change in oxidation number method. 1. РЬО, + НВr PbBr, + O, + ...

A: Given,   

Q: Q1) A solution containing 0.1 M Ca²* and 0.02 M Mg²* . Is it possible to separate one of these ions ...

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Q: I.A Study of Intermolecular Forces of Attraction Professor Rowan is preparing for his experiment in ...

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Q: what is the purpose of preparing of a standard sodium hydroxide solution in determination of purity ...

A: We prepare a standard sodium hydroxide solution in determination of purity on impure KHP. Because we...

Q: 12. For each pair of compounds, describe how you could use EACH of the instrumental technique(s) tha...

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Q: CH,CH,CH3 CH,CCH,CH3 OH

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Q: SECTION B Answer ALL the questions. (19)(a) The Hess cycle and data to calculate the enthalpy change...

A: The enthalpy of decomposition of compound is defined as the amount of energy released or absorbed wh...

Q: Analysis of a sample showed that it contained 68.3% lead, 10.6% sulfur, and 21.1% oxygen. What is th...

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Q: diffusion

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Q: A solution contains 7.95x103 M ammonium sulfite and 1.22x10-2 M sodium phosphate. Solid silver nitra...

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

Q: Which of the following substances would London dispersion forces be the only significant factor in d...

A: Since you have posted multiple questions we will answer the first one for you. Kindly post the other...

Q: CH3 + CH2C- NH2

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Q: 1. The instrumental signal from pesticide X in an unknown is 185.6 µA. When 25.0 mL of 0.0325 M pest...

A: Absorbance is directly proportional to concentration. So, Absorbance = Molar absorptivity coefficien...

Q: A river was reported to have a Hg content of 178 ppm. What is the concentration in molarity?

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million) concent...

Q: What mass of celsium chloride must be added to 0.500L of water to produce a 0.40m solution? What are...

A: molality is number of moles of substance present in 1 Kg of solution molality = (weight (g)/molar ma...

Q: 1. H2S04 (cat)/1-pentanol A. но 1. Hg(OAc)2, 1-pentanol 2. NaBH4 1. Et28-H 2. H202, NaOH 3. SOciz, p...

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Q: 2. One mole of H* is always neutralized by mole of OH-.

A: -> If water form from combination of ions  then it is neutralization .  

Q: what is the mole fraction of the components of a solution containing 18g h2SO4 in 75 g of liquid wat...

A: Mass of H2SO4 = 18 g, molar mass = 98 g mol-1 mass of H2O = 75 g , molar mass = 18 g mol-1 Mole frac...

Q: The gas phase decomposition of sulfuryl chloride at 600 K so2Cl2(g) SO2(g) + Cl2(g) is first order i...

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Q: How many liters of solution are needed to make a 1.66M solution containing 3.15moles of FeClg? MW= ...

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Q: Draw your own biosynthetic pathway showing the production of ALL the different types of glycosides. ...

A: A biosynthetic pathway is commonly a sequence of enzymatic steps. it involves the synthesis of a spe...

Q: Inorganic chemistry is the chemistry .of the compounds of carbon False true O Name of this structure...

A: inorganic chemistry is the branch of chemistry which deals with inorganic compounds. While organic c...

Q: What is the effective nuclear charge felt by a valence electron in the elemer atomic number 11? As a...

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Q: What is the acetic acid concentration of Mark’s and John’s vinegar in molarity given that the Concen...

A: Standardisation of KOH 0.540 g of KHP require 2.80 mL of KOH                         Molar mass of K...

Q: pectin gel formation.

A: Pectin formed by hydrogen bonding between the corboxylic group of acids and hydroxyl group OH of the...

Q: Rank the solubility of the 3 bases: Na2CO3, K2cO3, NaOH

A: Since salts dissolve into electrically charged species (as do acids and bases) they fall in the gene...

Q: Force gases Liquid

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Q: (a)If 12.06 g of NH4+ was found in the soil, how many ions of NH4+ was present initially? (b)If 500 ...

A: Given :  Mass of NH4+ = 12.06 gm  Mass of H2O produced = 500 gm     

Q: QUESTION 8 Which of the following spectroscopic measurements is not consistent with cyclohexanecarba...

A: Decarboxylation and mass spectrometry:

Q: Consider the initial conditions of a gas: Initial Variable Value 400. K 250. V 3.30 atm Determine th...

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Q: Be sure to answer all parts. Calculate the molarity of each aqueous solution with the given amount o...

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Q: Which of the following samples may be weighed on an analytical balance without a container? A.glass ...

A: Analytical balance is an equipment used in chemistry laboratory.. Ii is  designed for  measuring mas...

Q: Use an example to explain why heat is a path function and not state function.

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Q: Calculate the AH for the reaction NO(g)+ 0(g) → NO2(g) given the following information NO(g) + O3(g)...

A: The change in enthalpy ( ΔH ) of a reaction can be found out using Hess's law of heat summation.  He...

Q: In paper chromatography, you have a polar stationary phase and a Less polar mobile phase. Component ...

A: Paper chromatography is technique used to separate mixture of compounds in sample.

Q: What quantity of electricity would be required to reduce 10 g of nitrobenzene, C&HSNO2, completely t...

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Q: 4. Predict the major product of each of the following reactions: (a) (b) CN (c)

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Q: Ab asked Mi to perform an experiment on freezing point depression. The solution was prepared by diss...

A: ∆Tf =Tf-Tf'=  Kf × mwhere ∆Tf = Depression in freezing point Tf and Tf' are initial and final freezi...

Q: 12. In which of the following does sulfur have the highest oxidation state? A) SO B) Ss C) H:SO: D) ...

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Q: What is the effective nuclear charge felt by a valence electron in the element with atomic number 11...

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Q: P-+Si 28 28 15

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Q: Calculate the pH when 10.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO * (Ka = 2.5 * 10 ...

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Q: A chemist went on a trip to Zambales to obtain a sample of chalcocite (copper (I) sulfide), one of t...

A: Answer: This question is based on the stoichiometry calculation where we have to convert the number ...

Q: Br

A: R/S designation can be done using CIP rule . And the detail description is shown below