Q: OH HO, C OH
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Q: Write the formula of the conjugate acid of CH₃CH₂O⁻
A: To solve this problem we have to write the formula of conjugate acid of given ionic compound.
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A: The classification of curves can be done from the nature of curve line , Initial pH value and number...
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Q: 2. A solution that may contain Cu*, Bi2*, Sn*, or Sb²* is treated with thioacetamide in an acidic me...
A: We have find out soluble and insoluble cations.
Q: It contains more than the equilibrium amount of a solute that can be dissolved. supersaturated solut...
A: The correct option is supersaturated solution Supersaturated solution are the solution which contai...
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Q: The Ksp of lead(II) hydroxide, Pb(OH)2, is 1.43 × 10-20. Calculate the molar solubility, s, of this ...
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Q: Calculate the energy levels of the 7-network in octatetraene, C3H10 (CC-C=C-C=C-C=C), using the part...
A: Given : C=C bond = 135 pm C - C bond = 154 pm
Q: Given the following parameters, what is the expected absorbance? c = 250 mmol/L l = 0.5 cm ε = 10 M...
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Q: To make straight hair curly, the --- bonds holding the protein chains together are reduced. Quest...
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Q: Draw all the structural isomers for the molecular formula C,H¸O. Be careful not to draw any structur...
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Q: 50 a) Solution 1 (the stock solution) has a molarity of 12.25 M and a volume of 1.50 L. Solution 2 (...
A: a) Given, Solution 1 molarity of stock solution (M1) = 12.25 M Volume of stock solution (V1) = 1.50 ...
Q: Write a balanced half-reaction for the oxidation of gaseous arsine (AsH,) to aqueous arsenic acid (H...
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Q: conjugate acid conjugate base
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Q: Calculate the percent ionization of a 0.529 M solution of benzoic acid, C6H5COOH. % lonization =
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Q: Which of the selections below correctly describes the bond angle and hybridization for the carbon, h...
A: Given that: methanal It is also called as formaldehyde. Structure :
Q: On the basis of Kc for the following reaction, would you expect the reaction to go almost completely...
A: Equilibrium constant Kc = [P]÷[R] [P] = concentration of product [R] = concentration of Reactant
Q: At a certain temperature, the solubility of strontium arsenate, Sr, (AsO,),, is 0.0480 g/L. What is ...
A: Given : The solubility of strontium arsenate, Sr3 (AsO4)2, is 0.0480 g/L. Molar mass of strontium ar...
Q: Which indicator is found in a solution with a pH of 10? a. Phenolphthalein turns colorless b. Litmus...
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Q: The Ka of hypobromous acid, HOBr, is 2.6 x 10-9. Calculate the pH of a solu tion which is composed o...
A: PH of acidic buffer can be calculated as follows
Q: The value of K, for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its con...
A: Ans. 3.33*10-11
Q: Consider the following equilibrium reaction for hydrocyanic acid, HCN. HCN leftrightarrow H^+ + CN^-...
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Q: A mixture of ascorbic acid (CH706H, K2 = 6.8 X 105) and sodium ascorbate is prepared such that [CH,0...
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Q: Calculating the PH UI A solution is prepared at 25 °C that is initially 0.45M in ammonia (NH,), a we...
A: Initial concentration of ammonia=0.45M Concentration of ammonium chloride=0.13M Kb=1.8×10^-5 pH of...
Q: Does a reaction occur when aqueous solutions of barium chloride and potassium phosphate are combined...
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Q: Which structure is 1-chloropropane (or propyl chloride)? Question 7 options: CH3-CH2-Cl CH3...
A: Given :- CH3CH2Cl CH3CH2CH2CH2CH2Cl CH3CH2CH2Cl To identify :- structure of 1-chloropropane
Q: Dehydration (removal of H2O) of CH3CH2OH results in the formation of ----. Question 11 options...
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Q: Why is a filter paper preferred over a sintered glass filter?
A: Filtered paper is made up of fiber and there are numerous holes (obviously of microscopic size) in t...
Q: 1)Calculate the Reaction Rate for each trial using an average of the Time required for the reaction ...
A: Rate of reaction is inversely proportional to time and directly proportional to the concentration of...
Q: general molecular formula for an alkane,
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Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H Н—...
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Q: the total vapour pressure of an ideal binary sures of A and B are 75 Torr and 25 Torr respe rapour t...
A: Given , PA° = 75 torr PB° = 25 torr XA = 0.75 XB = 0.25 Using Raoult's law, Ps = PAXA ° + PB°XB ...
Q: Draw the schematic representation of the Nitrogen orbitals in pyridine
A: Nitrogen is sp2 hybridised in pyridine in order to maintain the aromaticity of the compound. It form...
Q: Use the References t The pH of an aqueous solution of 0.177 M sodium fluoride, NaF (aq), is This sol...
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Q: K; for the complex ion Ag(NH,),* is 1.7 x 10. K, for AgCl is 1.6 x 10-10. Calculate the molar solubi...
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Q: Consider the following temperature vs composition phase diagram for a hypothetical mixture of liquid...
A: Consider the following temperature vs composition phase diagram for a hypothetical mixture of liquid...
Q: E thermochemical equations
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Q: For the reaction conditions given below, what type of product will be produced? Ketone + Zn(Hg) +HCl...
A: Given :- Ketone + Zn(Hg) + HCl → To identify :- Type of product formed in above reaction
Q: Balance the following redox reaction in basic solution. MnO,(s)+Br,(1) MnO,(aq)+Br (aq) Mno,(s) + Br...
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Q: A generic salt, AB,, has a molar mass of 165 g/mol and a solubility of 6.30 g/L at 25 °C. What is th...
A: Molar mass of AB3 = 165 g/mol Solubility = 6.30 g/L
Q: Alcohols having fewer than six carbons are soluble in water. Question 27 options: False Tru...
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Q: 5. The Ksp of Fe(OH)3(s) is 3 × 10-39. What concentration of Fe3+ can exist in solution at pH 3.0?
A: Given- Ksp of Fe(OH)3=3×10^-39 pH of solution= 3.0
Q: Part B Using the method of successive approximations, what is [H3O*] in 0.500 M HC1O2 (K, = 1.1 x 10...
A: HNO2 ⇔H+ + NO2- Ka = [H+] [NO2-][HNO2] = x2(0.00250-x) 4.5 * 10-4 (0.00250 - x) = x2 1.125 * 10-6 - ...
Q: An aqueous solution is made by mixing 4.3 mL of 0.40M Co(NO3)2 and 8.7 mL of 12.0 M HCI, and the fol...
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Q: 6. Provide the COSY spectrum and me-HSQC spectrum of 2-pentanone. Comment on the difference between ...
A: This Question is based upon 2-D NMR
Q: 100.0 mL of a 0.109 M HCl solution plus 100.0 mL of a 0.062 M NaOH solution. Determine the pH of th...
A: Using stoichiometric ratio we can determine which reactant remains after the reaction. From that we ...
Q: At 77°C, 2.00 mol of notrosyl bromide, NOBr, placed in a 1.00-L flask dissociates to the extent of (...
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Q: Draw and describe each of the three main phases of matter (solid, liquid, and gas) such that it is c...
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Q: Show the synthesis of butylamine from ammonia in one step. Make sure to specify the stiochiometry of...
A: Alkyl halides undergo substitution reaction with ammonia to give ammonium salts because ammonia act ...
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- The Henry’s law constant for CO2 in water at 25 °C is3.1x 10-2 M atm-1. (a) What is the solubility of CO2 inwater at this temperature if the solution is in contact withair at normal atmospheric pressure? (b) Assume that all ofthis CO2 is in the form of H2CO3 produced by the reactionbetween CO2 and H2O:CO2(aq) + H2O(l)------>H2CO3(aq)What is the pH of this solution?Ben prepared a salicylic acid in pentanol solution by adding 6.11 g of salicylic acid to 67.77 mL of pentanol. Calculate the mole fraction of salicylic acid in this solution. MW of salicylic acid= 138.12 g/mol MW of pentanol= 88.15 g/mol Density of pentanol= 0.8144 g/mLAn automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (SG= 1.114; MW = 62.07 g/mole) and water at 20oC. The density of the mixture is 1.070 g/mL. Express the concentration of ethylene glycol as:a) Volume percentb) Mass percentc) Molarityd) Molalitye) Mole fraction
- Some water dissolves in liquid methane at -161°C to givea solution in which the mole fraction of water is 6.0 × 10-5. Determine the mass of water dissolved in 1.00 L ofthis solution if the density of the solution is 0.78 g cm-3.A 690 g of 59% strontium bromide solution is cooled from 60 oC to a certain temperature. Upon addition of around 2 g of strontium bromide, excess solute above saturation started to crystallize. Total recovered crystals is 146.003 g. How many solute is initially dissolved?279.28 mL of 1.22 M organic salt was mixed with 168.14 mL of Ethanol (d= 0.789 g/mL, MW 46.07g/mole). Pure ethanol has a vapor pressure of 0.059 atm what will be the vapor pressure of the solution?
- What would be the saturation concentration (mole/L) of oxygen (O2) in a river in winter when the air temperature is 0°C if the Henry's law constant at this temperature is 2.28 × 10-3 mole/L-atm? What would the answer be in units of mg/L? Assume that O2 comprises 21% ofair.how many grams of barium carbonate BaCO3 are dissolved in: a) 1 liter of clean water b) 1 liter of solution 0,1 N Ba (NO3) 2 c) 300 ml of 0.01N BaCl2 solution during the calculations take into account that Ksp of BaCO3 = 4 × 10-⁹A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 2 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the freezing point of the solution.
- A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 2 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the osmotic pressure in atm.Stock phosphoric acid solution is 85% H3PO4 and has a specific gravity of 1.70 . Hence, the molarity of H3PO4 solution that is prepared by diluting 15.0 mL aliquot of H3PO4 stock solution to 135 mL H2O is?A 690 g of 59% strontium bromide solution is cooled from 60 oC to a certain temperature. Upon addition of around 2 g of strontium bromide, excess solute above saturation started to crystallize. Total recovered crystals is 146.003 g. At what temperature is the solution cooled?