Back titration is usually required when none of the choices the standard solution is volatile. the analyte reacts very slowly with the standard solution. dealing with weak acid - weak base titration reactions. all of the choices

Q: Choose the water solube molecules H -OH он

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Q: State whether each is an oxidation [O], reduction [H] or neither (N) by writing the appropriate…

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Q: Draw the two major products obtained in the reaction shown. + Br2 (one equivalent) CH₂Cl₂

A: Given : structure of reactant. And reagent This is a electrophilic addition reaction.

Q: QUESTION 12 [ Show how you would synthesize the following alcohols from appropriate alkenes [ OH OH…

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Q: Н Н Which compound below fits the following proton NMR data? O-CH3 CH3 A singlet S 3.98 (3H) quartet…

A: The compound (from the given) fits the proton NMR data = ?

Q: If the equilibrium constant for A(g) + B(g) → 2C(g) is 0.11, calculate for the equilibrium constant…

A: We are having the equilibrium constant for given reaction and we have to predict the equilibrium…

Q: Identify the line segment on the following diagram where the specific heat of the solid is used to…

A: The correct option is the line segment A-B where specific heat of solid is required.

Q: mL sample of 0.235 M formic acid (HCHO₂) is titrated with 0.235 M NaOH. Calculate the pH after the…

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Q: Silane, SiH., is a colorless, pyrophoric, toxic gas that is used to deposit elemental silicon for…

A: SiH4 molecule is polar or not ?

Q: Determine the acetic acid concentration in a solution with [CH3CO2-] = 0.25 M and [OH-] = 2.0 x…

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Q: Generate equilibrium constant expression for the reaction below. TI³+ + 2Fe²+ → TI+ + 2Fe³+ 1.51 x…

A: The balanced redox cell reaction is: Tl3+(aq) + 2Fe2+(aq) ⇌ Tl+(aq) + 2Fe3+(aq) ; Eocell = ??

Q: Draw the structural formula for the tripeptide Cys-Ala-Gly.

A: Peptide is formed by combination of amino acids. When amino acids are combined, there is release of…

Q: (Cp)TiCl +2Mel.i Mg + C₂H₂Br nBuli + PhBr CpMo(CO),H +CH₂N₂ สห -5

A: Here we have to understand the organometallic reaction for the given problems Cp2TiCl2 + 2MeLi…

Q: Draw the structure of 3-bromo-5-methoxybenzoic acid in the window below.

A: Given : IUPAC name of molecule.  Step 1: draw benzene structure Step 2 : add cooh group to any…

Q: 21.) show how the forening compound could be symbinized by a bels-Alder reaction: MICN

A: For a duels alder reaction reactant should have diene and dienophile . Here this reaction will be…

Q: The reaction A--> Bis first order with a half life of 0.847 seconds. What is the rate constant of…

A: In the given question, a first order reaction is given having half life = 0.847 sec. The rate…

Q: Which of the following statements correctly describes the NaCl structure type? a. NaCl structure is…

A: We have to tell among the given statement which one correctly describes the NaCl structure type. The…

Q: The following thermochemical equation is for the reaction of calcium carbonate(s) to form calcium…

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Q: If you are given the quantum numbers n=8, 1-4 and, gram.

A: Given: n=8 l=4 m=+1/2 To draw the energy diagram

Q: 7) State the relationship between the following pairs of molecules selecting from the following…

A: Stereochemistry is branch of chemistry in which we deal with the three dimensional arrangement of…

Q: Calculate the enthalpy change that occurs when 4.63 g of SnC14 (1) reacts with excess H₂O(l) to form…

A: Here, we have to calculate the enthalpy change that occurs when 4.63 g of SnCl4(l) reacts with…

Q: One 63-g ice cube at 0.0 °C is dropped into 5.00 × 10² mL of tea to make iced tea. The tea was…

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Q: Answer ALL parts of this question. Benzoic acid can be converted to the two products (A and B) shown…

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Q: Which of the following is a π-donor ligand со PPh3 Br O CN 1

A: Answer 1) :  The π donor ligand from the CO, PPh3, Br- and CN- = ? Note : According to our company…

Q: 20.) Provide the structure of products A: B in the faraming reaction requinu. 0 FOCHS A MCPBA

A: In the given problem the first reaction is Diels-Alder reaction and second reaction is epoxidation…

Q: You determine that 143 J of energy as heat is required to raise the temperature of 94.28 g of zinc…

A: Specific heat capacity of a substance is amount of heat required to raise temperature of a substance…

Q: 4. Name the following hydrocarbons using IUPAC rules: СЊ-CH2-CH2-CH2-сна b) CH-CH2-CH-сну CH3 c)…

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Q: An electric range burner weighing 655.0 grams is turned off after reaching a temperature of 497.5°C,…

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Q: 2. A student named a compound as 3,3-dimethyl-4,4-diethylcyclohexa-1,5-diene. Even though one can…

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Q: 1) Type of chemical reaction_ Hydrogen (g) + Chlorine (g) --→ Hydrogen Chloride (g) _H₂(g) + _Cl₂…

A: Based on the nature of a chemical reaction, a chemical reaction can be divided into synthesis or…

Q: What mass in grams of iron metal can be formed by the reaction of 2.14 g Al metal with excess Fe₂O₃,…

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Q: When 320 mg of naphthalene, C10H8(s), was burned in a bomb calorimeter (write the reaction and…

A: In bomb calorimeter, we use the following  formula, q = -C.∆T=> -∆U = C.∆T  C=  heat capacity of…

Q: The specific heat capacity of ethanol (C₂H5OH) is 2.44 J/g. K. What is its molar heat capacity (in…

A: Here we are required to find the molar heat capacity of ethanol

Q: When 0.850 g of C was burned in oxygen in a constant volume calorimeter, 27.9 kJ of energy as heat…

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Q: Rank the following from most to least stable: OH A O B, C, A O A, B, C O B, A, C O C, B, A OH в 00…

A: There are three alcohols in the given question. We have to compare the stability of them. Two of…

Q: Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form…

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Q: Question 35 of 47 > Draw the product formed by the reaction of potassium 1-butoxide with…

A: In the presence of strong base elimination always prefer E2 elimination  E2 elimination occurs as…

Q: Determine the molar solubility of MgCO3 in pure water. Ksp (MgCO3) =6.82•10-6

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Q: Between A and B which is more water soluble ?

A: Given : structure of molecules Solubility is directly proportional to hydrogen bonding, molecular…

Q: A). 5lb 12oz = kg convert the following weights in pounds to kilograms. round to the nearest tenth…

A: Given : data  1 lb = 0=454 kg 1 oz = 0.0283 kg 1000 g = 1 kg

Q: E Fe Pt/Fe³+ (0.1600 M), Fe2+(0.0700 M) // Hg2+ (0.0350 M)/Hg EHg2+ = +0.854 V O +0.020 V…

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Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

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Q: 8. What is the correct order of stability, starting with the most strained, for the conformations…

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Q: CS 2( g) + 3Cl 2( g) CCl 4( g) + S 2Cl 2( g) At a given temperature, the reaction above is at…

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Q: O II OI OIV enantiomer O III OV Identify the major organic product generated from the reaction…

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Q: 14.1 A polymer solution was cooled very slowly until phase separation took place to give two phases…

A: Here is the detailed solution. This can be solved from the the delta G relationship.

Q: Iodine-123 is used for imaging the thyroid gland and decays at a rate of 0.0522 hr-1. If 40 mg of…

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Q: Calculate enthalpy changes for the following: a. 0.069 g of sulfur (rhombic) burns, forming SO₂(g)…

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Q: What is the value for the number of nodes of rank r? a) N b) N/2 c) N/2r d) Nr

A: Every  node of a rank r (which is given) is  root of a subtree of at 2^r. So, there are  N/2^r…

Q: Propose a synthesis of this ammonium cation using the Gabriel synthesis.

A: In this question, we will synthesized the given organic product from the starting material phthalic…