cat. HS0, OH HBr

Q: A chemist must prepare 825. mL of 2.00 M aqueous aluminum chloride (AlCI,) working solution. He'll d...

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute...

Q: The melting of the parallel polymeric chains reduces Tg True False Adding a plasticizer to the polym...

A: A question based on polymers that is to be accomplished.

Q: Calculate the maximum amount of moles of AlCl3 that can be produced when 6.82 moles of Al2O3 react w...

A: Given data : Moles of Al2O3 = 6.82 mol Moles of HCl = 34.1 mol

Q: Adding a Filires to the polymers .reduces Tm True False O Organic materials are used to .protect shi...

A: Fillers are frequently added to polymers to lower their price some filers are chalk, silica etc. Usu...

Q: 8.) Determine AG°rxn using the following information. (assume 298 K) H2(g) + CO(g) → CH2O(g) AH°=+1....

A: This question is related to Gibbs energy formula. Gibbs free energy is a quantity that is used to qu...

Q: acidic, basic or neutral solution when dissolved in water. Clear All ammonium nitrate The pH will be...

A: pH <7 => acidic  pH = 7 => neutral pH >7 => basic  

Q: The solubility of rubidium nitrate in water is 150 g/L at 20 degree C. A solution is prepared at 20 ...

A: When maximum solute that can dissolve in a solution, is added to the solution, the solution is said ...

Q: 0.36 mol of LiNO3 in 6.42 L of solution Express your answer using two significant figures. molarity ...

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Q: A small amount of acetonitrile (CH,CN) is dissolved in a large amount of water. Imagine separating t...

A: We have find out enthalpy of solution 

Q: What is the name of the organic product created when hex-3-ene is reacted with water in the presence...

A: Hydration of alkene: Alkene gives hydration reactions in presence of an acid catalyst. The reaction ...

Q: A chemist prepares a mixture of ethanol and water at a temperature of 23.0 °C. He measures out 38.5 ...

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Q: (a) Differentiate the stretching frequencies of CO between two isomers of Co(CO);Cl2(PPh3) in their ...

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Q: What is the pH of a 0.40 M solution of benzoic acid, C6H5COOH? (The Ka value for benzoic acid is 6.3...

A: given :- concentration of benzoic acid = 0.40 M  Ka for benzoic acid = 6.3 × 10-5  To calculate :-  ...

Q: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is...

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Q: Question 5 In the electrolysis of an acid solution, oxygen can be produced by the following half-rea...

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Q: The hydrogen ion concentration of a basic solution is 9.70 × 10-10 M. What is the pH of the solution...

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Q: What are the formal charges of the resonance structure :C=S:=S::

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Q: CH,CH,CHCH,, CH,CH,CH,CH,Br, (CH,),CCH,CH, and CH,CH,CH,CI Br CI

A:

Q: How do solute particles lower the vapor pressure and elevate the boiling point? Choose all that appl...

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

Q: Molality and Molarity of a solution of a liquid (Mol Weight=50) in an aqueous solution is 9 and 10 r...

A: Relation between molality (m) and Molarity (M) is given by  (1/m) = (d/M) - (M.wt/1000)  d = density...

Q: NaBH, NaBH, OH PCC CH,CI,

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Q: Question 4 459 C of charge is passed through a solution of AICI3(aq). Determine the number of moles ...

A: Given , Total charge passes, Q = 459 C. Faraday's constant, F = 96485 C/mol e

Q: a. Calculate the molar mass of P2O5. Molar mass = g/mol b. Calculate the molar mass of Caz (PO4)2 . ...

A: Molar mass is the weight of one sample. First one is Phosphorus pentaoxide -contains 2 phosphorus at...

Q: Water is in equilibrium with the atmosphere at pH of 6.5. If the partial pressure of carbon dioxide ...

A:    pH=-logH+H+=10-6.5

Q: Calculate AH° for the reaction 2K (8) + 2H20(1) —> 2КОН(ад) + H- (9) Substance and State AH£° (kJ/mo...

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Q: If the pH of a solution is 3.3, then the pOH is [ Select ] and the solution is [Select ]

A: Given that, PH of solution=3.3 POH=? nature of Solution=?

Q: Oxides can react with water to form acids or bases. Identify each of the following oxides as acidic ...

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Q: 2. A solution may contain any of the three group I cations. A white precipitate is formed upon the a...

A: Group I cations, Pb2+, Ag+, and Hg22+ are precipitated as chlorides on the addition of HCl.

Q: 6. An aqueous solution A is prepared by dissolving 0.1 mol potassium chloride and 0,1 mol sodium nit...

A: The given solutions A and B are prepared by dissolving different strong electrolytes in the water. S...

Q: 3. What is the boiling point of a 6.95M solution of C12H22011 in water? A. 105.2 C B. 107.0 °C C. 10...

A: Colligative properties: The colligative properties are those properties of solutions that depend on ...

Q: Question 5 In the electrolysis of an acid solution, oxygen can be produced by the following half-rea...

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Q: 1. Why is C.H.O.N considered the essential elements of life?

A: C,H,O,N  Carbon, hydrogen, oxygen and nitrogen are structural components of living forms on earth. T...

Q: Draw the structure of a triacylglycerol formed from glycerol, one molecule of stearic acid, and two ...

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Q: 2. What type of intermolecular force of attraction is established when sodium chloride is dissolved ...

A: The type of intermolecular force of attraction is established when sodium chloride is dissolved in p...

Q: (2) lulai How many grams of NaOH would be required to neutralize all the acid in ?75.0 mL of O.0900 ...

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Q: What number of molecules (or formula units) are present in 2.38 g of each of the following compounds...

A: To find number of molecules ( or formula units )from grams,  •Convert the given mass to moles.  • Mu...

Q: Determine the change in entropy for 1.0 mole of an ideal gas originally confined to one- half of a 5...

A: At constant temperature, change in entropy is calculated using formula :  

Q: Calculate the pH for each case in the titration of 50.0 mL of 0.230 M HCIO(aq) with 0.230 M KOH(aq)....

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Q: A sample of phosphorus with a mass of 0.500 g is ignited to produce phosphorus oxide in a stream of ...

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Q: Which of the following compounds would produce the highest concentration of I ions when 0.10 mol of ...

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Q: 7.) Calculate the standard free-energy changes for the following reactions at 25°C: (a) CH4(g) + 202...

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Q: From data given below, calculate AH°, AS°, and AG° for the following reaction at 25°C. P4010 (8) + 6...

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Q: 6. For each numbered step in the qualitative analysis scheme, type the net ionic equation associated...

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Q: Provide suitable IUPAC name for each of the following compounds

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Q: If you combine 310.0 mL of water at 25.00 °C and 140.0 mL of water at 95.00 °C, what is the final te...

A: Given :-  First volume = 310.0 mL  First Temperature = 25.00°C  Second volume  = 140.0 mL  Second Te...

Q: What is the mole fraction of 1.8 g glucose (C6H1206) in 90 g of water?

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Q: 2H2 + O2 --> 2H2O + 245kJ How many kilojoules of heat are produced when 23.0g of O2 react with hydr...

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Q: B.O to NaCl = 1. True O False

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Q: Question 5 A 20.00 mL aliquot of 0.200 M KI is added to another aqueous solution whose volume is 30....

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Q: True or False 1.) The phase diagram of a pure solvent shows a lower freezing point compared to solu...

A: Given Statement  1.) The phase diagram of a pure solvent shows a lower freezing point compared to so...