How many mol of solid LiA would have to be added to 1.0 L of a 4.951 M HA solution in order to obtain a buffer of 2.59? (The Ka for HA is 6.67 · 10-'). mol LiA

Q: Which of the following statements is/are true about the equivalence point of a strong acid…

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Q: Heroin is a semi-synthetic derivative of​     OxyContin     opium     cocaine     nicotine

A: Choose the correct option ---

Q: Name the first nine straight-chain members of the alkene series.

A: First nine alkenes are

Q: stion 8 A salt made up of a cation with a +3 charge and the chloride ion. In a saturated solution of…

A: Given:: [Cl-] =0.0787 M cation = +3 charge Ksp =?

Q: We want to use Epsom salt (magnesium sulfate; bath salt) instead of common salt (sodium chloride)…

A: Salting out occurs ionic solution of high ionic strength to reduce solubility. Salting out is…

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Q: Determine if the following substances act as an acid or base in the given reaction. 02- + SiO2…

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Q: A liquid solution at 400°K and 1 atm, contains 5mol% of '1' and 95mol% of '2'. The mixture is cooled…

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Q: Part A Balance the redox reaction occurring in basic solution. MnO4 (aq)+ OH (aq) → O2(g) +…

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Q: Rationalise what adding Na2O (a network modifier) to B2O3 does to the structure of the glass. Begin…

A: Using a combination of experiments and molecular dynamics simulations using newly constructed…

Q: Quèstion 15 A solution is made by combining 76.5 mL of a 1.30 M HCIO2 solution and 76.5 mL of a 1.16…

A: A buffer Solution of weak acid and its salt with strong base. Concentration of HClO2 = 1.30 M. And…

Q: Calculate the temperature at which the wavelength of a neutron is 1.36 Å. 4.0 K

A: The answer is given below

Q: What is the pKa of a 0.2M solution of an unknown monoprotic acid that has a pH of 4.2?

A: pH= 4.2 Molarity of solution = 0.2 M

Q: Drag and drop the appropriate choices to fill in the following equilibrium table for the…

A: Given- Concentration of weak acid HA= 0.9M pH of the solution=2.3

Q: Consider the data for an unknown compound with the molecular formula C,H002- • IR: 2400-3200 cm-,…

A: Molecular formula – C9H10O3

Q: H2A is a weak acid. What is [A2j in a 0.10 M H2A solution? [Ka1 = 5.4 x 10-6; K a2 = 5.8 x 10-10 %3D…

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Q: A beaker contains 100 mL of a 2.06 M HCIO, 2.06 M CIO" buffer solution. Then, 27.2 mL of a 1.0 M…

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Q: 2. While determining the pressure during the Dumas experiment, if the barometric pressure reported…

A: GIVEN:-

Q: Consider these compounds: A. PbCl2 В. NI(OH)2 C. NICO3 D. PbSO4 Complete the following statements by…

A: We would use Ksp value of all compounds to predict the relation between solubility.  Compound which…

Q: Which of the following processes has a AS > 0? O A. lithium fluoride forms from its elements in…

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Q: electron reorganization.

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Q: Liquid ethanol (C,H;OH) at 25°C, 1 atm enters an insulated reactor operating at steady state and…

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Q: The nonvolatile, nonelectrolyte chlorophyll, C55H72M9N405 (89 CH3CH2OH. How many grams of…

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Q: 2. Are the following compounds likely to dissociate, partially dissociate, or not dissociate when…

A: The compounds given are  a. NaNO3 (s) b. Sucrose, C12H22O11(s) c. Formic acid, HCOOH (l)

Q: Calculate A H for S (s) +02(g) - so3(g) based on the reactions: S (s) + 02 → SO2 (g) 2502 (g) + 02…

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Q: 2. Which of the following molecules is achiral? HOH HO,CH HC H CH, II II IV A)I C) II D) IV and V

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Q: Using the periodic table for this course (Chem 100 Periodic Table.pdf ), which substance contains…

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Q: [Ka1 = 5.4 x 10-6; Ka2 = 5.8 x 10-10 %3D OA.0.10 M OB. 5.8 x 10-6 M OC21x 10-5 M OD.5.4 x 10-10M O…

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Q: The mole fraction of silver acetate, AgCH3COO, in an aqueous solution is 7.96x10-2. The percent by…

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Q: A researcher employed at Phenomenal Phenols, Inc. has been asked by her supervisor, O. H. Gruppa, to…

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Q: Part C In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol).…

A: Here we have to determine the moles of Cl2 present in 150 g of Cl2 and the mass of 2.90×10^22…

Q: A carboxylic acid (ka=1.8*10-5) was extracted from an aqueous solution ir the presence of ether, and…

A: Distribution ratio is the ratio of total solute concentration in organic phase to total solute…

Q: Mg + O2 --> MgO NazCO3 --------> Na2O + CO2 C3H8 + O2 ------- CO2 + H2O Al + O2 ------> Al2O3 BaCl2…

A: The answers are given below

Q: 6) In qualitative terms, how does Bohr's model account for the atomic spectrum of hydrogen? More…

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Q: Question 6 Predict whether a 0.10-M solution of each of the following salts will be basic, acidic,…

A: ->Salt of strong acid and weak base is acidic. ->Salt of weak acid and strong base is basic.…

Q: The emulsifying agent, a salt, is prepared from 2 chemicals. A) write the structure of stearic acid…

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Q: For each of the following pairs of compounds, indicate the compound more reactive to an SN1…

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Q: What happens if water is added during the Methyl Benzoate nitration? Why is methyl m-nitrobenzoate…

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Q: Calculate A H for H2(g) + Cl2 (g) 2HCI (g) based on the reactions: AH = -176 kJ AH = -99.22 kJ =…

A: Hess' law states that change in enthalpy of reaction is same whether it takes place in single step…

Q: All of the following are added to five different containers of water, each with the same mass of…

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Q: Current Attempt in Progress Use Lewis symbols to diagram the formation of Cal2 from Ca and I atoms.…

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Q: How many milliliters of 15.7% (v/v) acetic acid would you need to use to get 39 milliliters of…

A: Given-> (V/V)% = 15.7 %  Volume of acetic acid solution = 39 millilitres

Q: Br H2O H2SO4 Br2 A

A: Alcohol with H2SO4 heating is a E1 elimination reaction.... In SN1 reaction we get racemic…

Q: Question 3 The pyridinium ion (C5HANH) is a weak acid (Ka = 5.60 x 10-0). Calculate the pH of a…

A: The solution will act as acidic buffer.

Q: 5.) What does the reaction below describe?          O2(g)  +  hv  -------->  O2+  +  e-   Group…

A: The reaction can be described by

Q: mL of a 0.530M C2H5NH2 solution (Kb ver should be entered with 3 significant figures; do not enter…

A: Given,   Kb = 4.3×10-4 pKb = 3.37 Molarity of base = 0.530 M Volume of  base = 52.9 mL Molarity of…

Q: Calculate the density of aluminum if it has a mas of 83.6g and a volume of 23.99 mL. Use correct…

A: Weight of Aluminium = 83.6 gm Volume of aluminium = 23.99 ml

Q: CH3CH2CH2CH2CHO) is treated with each reagent.

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Q: 1. A. CHC13 В. Н.СО C. NH2CI Lewis Structure (show all electrons and bonds) e geometry Approx. Bond…

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Q: 41) Why is an atom's second ionization energy always larger than its first ionization energy? Select…

A: When the first electron removed from the isolated gaseous atom, then required amount of energy is…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.