OH OH OH A В C

Q: 4. Chemical Equilibrium. Phosphorus trichloride gas and chlorine gas react to form phosphorus pentac...

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Q: From the given information in the table calculate for both titration1 and 2: 1)moles of thiosulphate...

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Q: Aqueous hydrochloric acid (HCI) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: Given that, mass of NaCl = 6.29 g , molar mass= 58.45 g mol-1 mass of HCl = 11.7 g molar mass=36.45 ...

Q: Which one of the following substances crystallizes as a molecular solid? Multiple Choice CH3OH Al2(S...

A: The solid whic consists of dIscrete molecules are called as molecular solids. 

Q: 3 Cu   +   8HNO3   g 3 Cu(NO3)2    +  2 NO   +  4  H2O In the above equation how many moles of NO c...

A:  number of moles of NO can be made when 40 moles of HNO3 are consumed is given below

Q: Discuss the Steps in Scientific Methods as mostly used in the content area of Chemistry.

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Q: Balance the reactions; identify the oxidation and reduction reaction;B and identify the oxidizing ag...

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Q: Predict the i.) bond order ii.) magnetic property as (diamagnetic or paramagnetic) iii.) the HOMO or...

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Q: (a) Consider the adiabatic reversible expansion of 0.02 mol of ammonia (NH3) from 0.50 dm to 2.00 dm...

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Q: 2 NOBR(g) 2 NO(g) + Br2(g) A sample of nitrosyl bromide (NOB1) decomposes according to the equation ...

A: The equilibrium reaction given is, Given: Volume of vessel = 5.00 L. Mass of NOBr at equilibrium = ...

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Q: hich of the following choices correctly arranges the given elements in increasing electronegativity:...

A: Electronegativity of an element is defined as the the tendency of element to pull the shared electro...

Q: 8.) Incomplete combustion of hydrocarbons leads to the generation of carbon monoxide rather than car...

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

Q: For the reaction C + 2H2 → CH4, how many moles of hydrogen are needed to make 197 grams of methane,...

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Q: Calculate the mass of gold(III) chloride (Au, Cl,) that contains a million (1.0 x 10°) chlorine atom...

A: Here in the given problem we have to use unitary method. Molar mass of a molecule is sum of atomic m...

Q: Solve the following. Show the complete solution. What is the pH of 50.00 mL buffer solution which i...

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Q: Select the more stable (canonical) structure for the compound below. Explain what makes one structur...

A: The electronic configuration of N(atomic no 7) is 2,5 that is to get more stable electronic configur...

Q: Part A Unlike strong acids and bases that ionize completely in solution, weak acids or bases partial...

A: Since we know that ,  pH = -log10[H+]  And pH +pOH = 14 at 25° C

Q: The total volume must be close to 15.00 mL. Record the equilibrium concentrations and absorbances di...

A: Sample A: Volume of Fe3+ used = Final volume-Initial volume=(19.53-12.38) mL=7.15 mLmillimoles of Fe...

Q: Suppose a 250. mL flask is filled with 0.20 mol of H, and 0.40 mol of HI. The following reaction bec...

A: Answer: In this question we have use the equilibrium constant expression to find out the amount of H...

Q: III. Name one element in the Halogen Group.

A: Halogen group means, group 17 element in the periodic table. see below 

Q: Scientific Notation 1. (1.33 × 105) − (4.9 × 104) 2. (9.70 × 106) + (8.3 × 105) 3. (6.0 × 103) (1...

A: Re- write the number so that the two numbers have same exponent . Get the sum or difference of the c...

Q: Ammonium nitrate fertilizer is sometimes used as an explosive. How many moles of water can be formed...

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Q: Q3) A: Give the crystal structure for the following metals. Fe , Ni , Pb , Cr , Al , Ag , Zn , Mo , ...

A: Crystal structure is defined as the ordered arrangement of either atoms, or molecules or ions.

Q: Which of the following is a good hypothesis when someone observes there is more traffic in the eveni...

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that the...

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Q: Identify the major product obtained when this compound is treated with fuming sulfuric acid. SO3 .SO...

A: Ans : Options  : (2) IV Right. Explain :      Benzaldehyde  React  with fuming  conc. H₂SO₄ to forme...

Q: The mole fraction of He in a He/Ne mixture at 300 K is 0.40. If the total pressure is 1.2 atm, deter...

A: The volume can be calculated as: V=nRTP   =5×0.0821 atm·mol/L·K×300 K1.2 atm   =102.6 L

Q: How many grams of the following oxidizing substances constitute the gram milliequivalent weight each...

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Q: A solution is prepared by mixing 35.0 mL of a 0.184 M NaCl solution with 29.0 mL of a 0.276 M CaCl, ...

A: Solution                            We know that  1 mol of NaCl give 1 mol Cl- ion 1 mol of Cacl2 gi...

Q: What volume of hydrogen sulfide is required to react with 175 liters of oxygen gas according to the ...

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Q: Calculate the pH at 25 °C of a 0.41M solution of pyridinium chloride (C;H;NHC1). Note that pyridine ...

A: From Ostwald's dilution law  pOH = (1/2) (pKb - LogC)  pOH = power of hydroxyl ions  pKb = - log Kb ...

Q: Previous Answers A solid mixture consists of 25.5 g of KNO, (potassium nitrate) and 4.5 g of K,SO, (...

A: Initially we have taken 25.5 g of solid KNO3 in which we dissolve them and we then check the gram to...

Q: Determine the molar mass of the compound if it is between 250.0 and 350.0 g/mol.

A: Let the acid be CxHyOz. Combustion results in formation if CO2 and H2O. CxHyOz + O2   gives    CO2 +...

Q: What is the pH of a buffer solution that is 0.50 M acetic acid and 1.0 M sodium acetate (Ka = 1.8 x ...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: 1.) a.) True or false: Elements with high ionization energies tend to have lave electron affinities ...

A: A few questions based on periodic table trends that is to be accomplished.

Q: Which of the following samples of gases contains the greatest number of atoms? (Relative atomic mass...

A: 4th option is correct that is 13.0 g of C2H6

Q: Coprecipitation due to surface adsorption can be minimized by the following except: reducing the sur...

A: Coprecipitation due to surface adsorption can be minimized by the following except, (1)reducing the ...

Q: Figure 1. Square and rhombic unit cells in 2D layers. Use the visualization tool, and the discussion...

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Q: Which one of the following substances is more likely to dissolve in CC14? O CH3CH2OH O H2O O NH3 O C...

A: Given Solvent is CCl4 .

Q: Sketch/describe the 1H NMR spectrum for the following molecules. For each signal, predict the chemic...

A: Here we have determine the multiplicity of signal i.e splitting of signal, relative integration and ...

Q: What did Conner do to raise the pH of the pool? A) He added water to raise the pH. B) He added a bas...

A: ph of a base is high than the acid,if due to addition of a substance pH increases than it must be ba...

Q: The concentration of arsenic in an insecticide can be determined gravimetrically by precipitating it...

A: Atomic Mass of Mg - 24 u Atomic Mass of As - 75 u Atomic Mass of O - 16 u yield of Mg2As2O7 - 106.5 ...

Q: Figure 1 H H H H---N:---H --N: H---N:--H ---0: H H H --D 0n B - *involves bond to polar molecules Qu...

A: Electrostatic force of attraction between proton of one molecule with the electronegative atom of an...

Q: Using the balanced equation for the fermentation reaction, calculate for the theoretical amount of a...

A: Consider the given information is as follows; Mass of sucrose = 10 g Density of ethanol = 0.79 g/mL ...

Q: Determine which one of the labeled atoms is a chiral center. If there is no chiral center, answer "n...

A: Chiral atom has all substitution are different .

Q: (a) How many grams of H202 are contained in a solution that requires for titration 14.05 mL of KMNO4...

A: Hii there, As there are multiple question posted. we are answering first question. If you need furth...

Q: 2. An experiment was carried out to determine the enthalpy change of combustion of propan-1-ol. The ...

A: We have been given to perform the combustion reaction of propan-1-ol and to study the enthalpy chang...

Q: What volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 M NaOH by dilution?

A: Given, The volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 M NaOH by dilut...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

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Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.