The tetragonal and hexagonal crystal systems produce the crystal form. O Tetrahedron Scalenohedral O Dipyramid O Pyramid Im

Q: 3. Question (to be answered during the lab): How would you prepare 10.0 mL of a buffer with a…

A: Here we have to prepare 10 ml of a phophate buffer with concentration of 0.01M of pH=7.40 starting…

Q: Find the volume in liters of a 1.4 M solution that contains 7.85 grams of ammonia, NH3

A:

Q: Calculate the solubility at 25 °C of CuBr in pure water and in 0.18 M KI. You'll probably find some…

A: Given: Concentration of KI = 0.18 M Ksp of CuBr = 6.27×10-9

Q: 4. Given the following information: (Enthalpy of Formation) AHF°(NO2, gas) = 33.18 kJ/mol AHF°(H2O,…

A: The standard enthalpy of formation is the enthalpy change of reaction in standard conditions when…

Q: How many milliliters of 0.118 M HCl are needed to titra (a) 48.2 mt of 0.0708 M RbOH 19 72578 Xmt…

A:

Q: half-reaction standard reduction potential 2+ Zn (aq)+2e Zn(s) E =-0.763 V red HNO,(aq)+H (aq)+e…

A: Zn+2(aq) + 2e- ----> Zn(s) HNO2(aq)  + H+(aq) + e- ----> NO(g) + H2O (l)

Q: Determine the heat of reaction for the oxidation of iron, 4 Fe(s) + 3 O2(g)  2 Fe2O3(s) given the…

A: The reactions given are, 1) 2 Fe (s) + 6 H2O (l) → 2 Fe(OH)3 (s) + 3 H2 (g)…

Q: For ferricyanide determination by voltammetry, 20 mL of non-electroactive KCl solution is added to…

A: Molarity = No of moles / Volume (L) Also, No of moles = Molarity * Volume (L)

Q: Standardization of a sodium hydroxide solution against potassium hydrogen phthalate (KHP) yielded…

A: Answer: This question is based on acid-base titration where with the help of given values of KHP we…

Q: Apply Slater's rules to explain why the binding energy of outermost valence electron in a fluorine…

A: The electronic configuration of Fluorine (F) is 1s2 2s2 2p5. The electronic configuration of Lithium…

Q: When solid Mg metal is put into an aqueous solution of Cu SO, , solid Cu metal and a solution of Mg…

A: Write net ionic reaction of the given---

Q: CTurrent Attempt in Progress The Ksp value for Al(OH)3 is 3.0 x 10-34. Part 1 You answered…

A:

Q: An 8 liter container at 30 C is filled with 14.0 g of neon gas and 8.0 g of helim gas. Calculate the…

A: Given :  Mass of Ne = 14.0 g  Mass of He = 8.0 g  Temperature = 30 oC  Volume = 8 L  To calculate :-…

Q: Number of moles of sodium sulfate dissolved in 2 L of a 0.12 M sulfate, Na2SO4solution

A: Given :- molarity of Na2SO4 solution = 0.12 M                Volume of solution = 2 L  To calculate…

Q: (2) Adenine has a molar absorbance of 4 13.1 M-1cm-1 for 263 nm nucleic acid. What is the molar…

A:

Q: A buffer with a pH of 4.65 contains 0.39 M of sodium benzoate and 0.14 M of benzoic acid. What is…

A: Given,  pH of buffer = 4.65  [C6H5COONa] = 0.39 M  [C6H5COOH] = 0.14 M  Volume of buffer = 1.4 L…

Q: 4. Suppose 5 mL of 1.5 M ethylene diamine is added to 50 mL of 0.15 M Ni solution in an identical…

A: Q = mcΔt Assume density = 1g/dm3 1 ml = 1 dm3 m = 50+5 = 55g Q = (55)(c)(1.1) = 60.5 x c ΔH =…

Q: Given Carbon Tetrachloride, CCla. The most electronegative element is so the center element should…

A: a. Central atom should be electropositive.  c. Total no. Of valence electrons are 20 d. One bond is…

Q: Calculate the value of internal energy if 670J of heat energy is absorbed by the surrounndings and…

A:

Q: How can you find the moles and the KSP of the of acid and base of a titration experiment from the…

A: Given: Concentration of HC used = 0.003 M Volume of HCl solution used = 11 mL = 0.011 L…

Q: Scientifically, nitrogen and hydrogen at high temperature are converted to ammonia. When 350 grams…

A:

Q: Draw the major product of this Claisen condensation reaction. Ignore inorganic byproducts. t(s). If…

A: Claisen condensation - reaction that occurs between two esters or one ester and another carbonyl…

Q: (5) A colored solution of a given substance by Beer's Law. It showed a permeability of 80% when…

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

Q: In a laboratory, a 15.0 mL sample of KCl solution is poured into an evaporating dish with a mass of…

A: a) and b) Given :-  Volume of KCl solution =  15.0 mL Mass of evaporating dish = 24.10 g. Mass of…

Q: (a) OTs NaH OH (c) PPH3 R HO, R 12

A: ->NaH is base which can abstract acidic hydrogen. ->PPh3 / I2 give substitution reaction.

Q: Answer the questions about Resorcinol. 1. Draw the structure of organic compound assigned to you…

A: Since you have asked multiple questions with multiple sub-parts, we will solve first three sub-parts…

Q: Why is the nucleophilic attack on halonium and mercurinium ions "SN2-like" and not simply SN2? Weak…

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Q: Another physical property that is determined by the intermolecular forces is the states of matter.…

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Q: Predict the major product for each reaction: Hydration byoxymercuration- demercuration product of…

A: In this question, we have to predict the major product formed for this compound using…

Q: Determine the percentage error and the concentration of the prepared NaOH given the following data.…

A: For NaOH solution , molarity and normality are equal.  So first we we would Calculate normality of…

Q: dentify the following compounds if they are alkane, alkyne, alcohol or ether. Note: need answers…

A: Given : We have to predict whether the structures are alkane, alkyne, alcohol or ether.

Q: Now let us look at a real amino acid, alanine. Fill in the chart below for each ionizable group. You…

A: alanine is  an amino acid so it has both the basic amine group and acidic carboxylic acid. Here we…

Q: Markovnikov Addition requires carbocation formation. T or F Markovnikov addition refers to both…

A: Hydroboration follows anti markovnikov addition while Oxo mercuration Demercuration follow…

Q: Complete the table. Questions IUPAC name Common name acid found in sour wine or vinegar     ketone…

A: IUPAC name is the scientific name and common name is the name which is used generally in daily…

Q: At a certain temperature, the equnbrum constant K for the following reaction is 1.2 Use thes…

A:

Q: В. Draw the structure: 1. 2- methyl -1, 4- cyclohexadiene |- isopropyl 2 -methyl-1,4- cyclohaxadi e…

A: Name of compound is written out with the substituents in alphabetical order followed by the base…

Q: For the oxidation of ammonia: 4NH3 + 3O2 arrow forward 2N2 + 6H2O it was found that the rate of…

A: Given: Rate of formation of N2 = 0.23 M/s

Q: Part A: Find the value of the specific rate constant, k, for the data shown in the graphs in…

A: The graphs given are,

Q: If 90.00 mL of a 1.780 MHNO2 solution is reacted with 1.950g NaOH, calculate the resulting pH. The…

A: Given : Volume of HNO2 = 90 ml  Molarity of HNO2 = 1.780 M

Q: 3. What does the line separating the solid phase from the gas phase represent?

A: Answer: Phase diagrams give us detail description of phase change of the substance from one phase to…

Q: Determine the percentage error and the concentration of the prepared NaOH given the following data.…

A:

Q: Chemistry The exchange current density for the electrode Pt(s) │|H2(g) │|H+(aq) is 0.79mA cm-2 at…

A: We have find out current density and anode current.

Q: When 2,400 mg zinc is added to hydrochloric acid, 450 mL of hydrogen gas forms at a temperature of…

A: # According to the Law of conservation of mass " all atoms of different elements must be equal on…

Q: A generic salt, AB, has a molar mass of 215 g/mol and a solubility of 1.30 g/L at 25 °C. AB(s) =…

A:

Q: . Calculate the number of millimoles of solute in: a) 175 mL of 0.320 M HCIO4. b) 15.0 L of 8.05 x…

A:

Q: . Commonly used standards for the direct determination of the normality of an acid. 2. It is used…

A: Given:  1. Commonly used standards for the direct determination of the normality of an acid. 2. It…

Q: 4. Sodium hydroxide solution was standardized against one gram of potassium acid phthalate. First…

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

Q: Determine the mole fraction of the solute in a solution made by dissolving 200 g C2H6O (MM= 46.08…

A:

Q: What is the mass in grams of H2 that can be formed from 55.8 grams of NH: in the following reaction?…

A: To solve this problem we will use the given balanced chemical equation .

Q: Which of the following reactions give the products shown under E2 conditions. Mark all correct answe…

A: Given : We have to make the products for the given reaction.