When a 23.2 ml sample of a 0.440 M aqueous hydrocyanic acid solution is titrated with a 0.361 M aqueous sodium hydroxide solution, what is the pH after 42.4 mL of sodium hydroxide have been added? pH-

Q: 4- The equilibrium constant for the reaction A (g) B (g) is 10. A reaction mixture initially…

A: Given:  Equilibrium constant for reaction, Keq = 10  Initial concentration of A = [A] = 1.1 M…

Q: 6-15: Calculate the 1. Cacrog 2. Ca 804 mass in grams of I mole of each

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

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Q: Will a precipitate form if 20 mL of 0.10 M Ba(NO3)2 is introduced to 50 mL of 0.10 M Na2CO3? If…

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Q: Predict the product in the following reactions: H3C Br CF3 alam OH Br F OH DBU conc. H₂SO4 1 equiv.…

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Q: You have a sample 100.0 g sample of lodine-135. a) Determine the half-life of a radionuclide if…

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Q: Draw alkene formed after elimination reaction Н H3C Br Н 1 CH3 Н Н Н Br Н 2 CH3 CH3 H Br H2 H₂C 3 H…

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Q: A chemist measures the energy change AH during the following reaction: Cl₂(g) + H₂(g) → 2 HC1(g) ΔΗ…

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Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: Given,♦ 1.3 mol of HBr is added to 1.0 L of a 1.3 M NH3 solution .♦ 0.15 mol of NaOH is added to…

Q: Saccharin, a sugar substitute, is a weak acid with the formula, HC7H4NSO3. The pKa of saccharin is…

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Q: Determine the pH during the titration of 26.9 mL of 0.303 M benzoic acid (K₂ = 6.3x10-5) by 0.415 M…

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Q: a. Convert 15 ppb to units of percent by mass (density is 1.00 g/mL) b. Protective layer can form…

A: We will convert ppb to percent and solve the question.

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Q: Give a clear handwritten answer with explanation..give the IUPAC name of given molecule

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Q: Macmillan Learning An aqueous solution containing 7.11 g of lead(II) nitrate is added to an aqueous…

A: We are asked to write a balanced chemical equation for the given chemical reaction.

Q: Which of the following sodium chloride (MW = 58 g/mol) solutions is the most concentrated?  a. 15 g…

A: Given, Molar mass of NaCl = 58 g/mol a)15 g NaCl dissolved in 130 mL solution.   b) 5 g NaCl…

Q: I need help reading these NMR. I need to identify the solven peak for each, and I need to…

A: To interpret and identify solvent peak in both the NMR spectra's.

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Q: When half of the HCHO2 has been neutralized: pH = i After a total of 15.0 mL of base has been added:…

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Q: ENUMERATE THE CHEMICAL PROPERTIES OF ANHYDRIDES.

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Q: A certain gas is present in a 14.0 L cylinder at 2.0 atm pressure. If the pressure is increased to…

A: According to Boyle's law , pressure is inversely proportional to volume of gas. OR the product of…

Q: Draw the major product of the substitution reaction shown below. Ignore any inorganic byproducts.…

A: The given reaction will occurs by SN1 reaction because there is formation of stable allylic…

Q: Draw (using skeletal form) the chemical equation for the INTERMOLECULAR dehydration of 1-ethanol at…

A: Given -> 1- ethanol  -> Intramolecular dehydration of alcohol produce alkene . ->…

Q: 1. Differentiate the types of electronic transition occurred between CaH10N402 and Fe(SCN)² Choose…

A: Dear student, you have posted three MCQ questions. The answers are given below -

Q: What is Ecell for the cell below Ag | Ag+ (0.1544 M) | H+ (0.0794 M) | O2 (1.12 atm) | P

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Q: Saccharin, a sugar substitute, is a weak acid with the formula, HC7H4NSO3. The pKa of saccharin is…

A: Note: Since you have posted a question with multiple sub parts, we will provide the solution only to…

Q: We need to find the mass of Ca(OH₂) required to add in pond to make the pH to 7 from 4.29. This…

A: Since pH is given before and after the reaction, hence H+ ion concentration can be calculated from…

Q: For the reaction Fe3O4(s) + 4H₂ (g) → 3Fe(s) + 4H₂O(g) AH° = 151.2 kJ and AS° = 169.4 J/K The…

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Q: 7. What is the major product of the following reaction? obr NaNH, 2. H₂O*

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Q: What mass, in grams, of C2H2 is needed to form 115.4 g of CO2? Assume excess oxygen. 2C2H2(g) +…

A: Given:  Mass of CO2 produced= 115.4 g  Given equation is :  2C2H2(g) + 5O2 (g) ----> 4CO2 (g) +…

Q: A "condensation" reaction involves the loss of a small neutral molecule as a follow-up step to an…

A: In condensation reaction water formed as side product (loss of water) and new carbon carbon bond is…

Q: Draw the Lewis structure of XeCl, and then determine the hybridization of the central ator •xe Click…

A: Given :- molecular formula = XeCl2  To draw :- Lewis structure and also determine the hybridization…

Q: When 25.00 mL of 0.467 M NaOH was added to 50.00 mL of a 0.467 M solution of a weak acid, HX, the pH…

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Q: ou are to prepare 100. mL of an acetate buffer of pH 5.00 using 1.0 M acetic acid (CH3CO2H, also…

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Q: -Farnesene is a constituent of the natural wax found on apples. What is its TUPAC name, including…

A: In 7.33 we are given structure of a compound, we have to give its IUPAC name along with its…

Q: Consider the following reaction: 2NO2(g) ⟶ N2O4(g) Calculate ΔG at 298 K if the partial…

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Q: Each row of the table below describes an aqueous solution at about 25°C . Complete the table. That…

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Q: 31 The cis and trans isomers of 2-butene give different cyclopropane products in Simmons-Smith…

A: Simmons Smith reaction :  Simmons Smith reaction is an asymmetric reaction in which a carbenoid adds…

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

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Q: What solvent can be used to distinguish between the following pairs of compounds? (a) Benzaldehyde…

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Q: Which of the following is an exar of nuclear fusion? 40 20 Ne+20 Ne -> 4⁰ Ca 238U -> 234Th + ¹He 1…

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Q: Roughly speaking how many 2MW wind turbines are needed to replace the power output if a single coal…

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Q: Water adds to ethylene to form ethyl alcohol. CH₂=CH₂ + H₂O-CH3CH₂OH Part A Balance the equation.…

A: The reaction is given as, CH2CH2 + H2O ------>  CH3CH2OH We need to balance the given chemical…

Q: Wavelength 4.20 x 10-7 m 3.14 x 10-6 m 6.56 x 10-2 m Frequency 7.14 x 105 Hz Energy 4.73 x 10-19 J…

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Q: The common hydrate of magnesium sulfate is heptahydrate, MgSO4∙7H2O. In the crystal structure, how…

A: Magnesium sulfate is also known as epsom..(MgSO4.7H2O)..

Q: A student dissolves 12.4 g of lithium chloride (LiC1) in 250. g of water in a well-insulated open…

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