Using titration reaction employing normality concentrations, what is the design instrument mathematically to be followed? Select one: a. moles of acid and base b. Volume of acid and base c. molarity of acid and base d. equivalence of acid and base

Q: An aqueous solution containing 4.87 g of an optically-pure compound was diluted to 8.00 × 10² mL wit...

A: Specific rotation = observed rotation/(concentration × path length) Observed rotation = -2.47° Mass ...

Q: An aqueous solution has an hydroxide ion concentration of 1E-7 M   (10 -7 M). Remember to use e not...

A: • The values provided in the question are:-  i) Hydroxide ion concentration of a solution, [OH-] = 1...

Q: Name: Unit 4 Lesson 2 Test Stoichiometry GO Make sure each equation is balanced 1,00794 7.01587 +32....

A: Given Reaction:-  H2S + Cl2 -----> S8 + HCl Balanced reaction :-  8H2S + 8Cl2 -----> S8 + 16HC...

Q: Question 2 Solution 1: 2 mL of 1.50 M A is combined with 18 mL water. Solution 2: 5 mL of solution 1...

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Q: Draw structures corresponding to the following systematic names: (e) (3E,5Z)-2,6-Dimethyl-l,3,5,7-oc...

A: To draw the structure for the following compound : (e) (3E,5Z)-2,6-Dimethyl-l,3,5,7-octatetraene(c) ...

Q: nutes. Question 1 Initially, the concentration of A is 1.00 M and the concentration of B is 2.00 M. ...

A: Initial concentration of A = 1.00 mol  Initial concentration of B = 2.00 mol  Reaction:-  A + 3B &lt...

Q: In laboratory, Dr. Nur found out that the hydrolysis of nitriles (R—CN) when heated under reflux wit...

A: All the reactants and products are shown in Step 2.

Q: 5. For the following pairs of species, which is the strongest nucleophile in acetone? Explain.

A: Nucleophilicity is the tendency of the nucleophile to donate electron to an electron deficient speci...

Q: All please

A: The solution is as follows:  

Q: What volume of 0.0125 M HBr solution is required to titrate 1.25mL of a 0.100M Ca(OH)2 solution? Ca(...

A: Given the chemical reaction of the neutralization reaction between calcium hydroxide and hydrogen br...

Q: What is the mass percent of silicon in the mineral orthoclase (KAlSi3O8)?

A: Mass percentage = mass of the atommass of compound ×100%

Q: Consider the following chemical equilibrium: 2 РЬО (:) + О, (g) — 2 РЬО, (s) Now write an equation b...

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Q: Calculate the hydronium concentration for 0.15M HCl if the equilibrium constant is Ka=10^10. Give th...

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Q: Consider A and B as the two functional groups. Predict, in the following reactant combinations, what...

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

Q: Given the following equation: N2 (g) + 3 H2 (g) → 2 NH3 (g) How many grams of H2 are required if 36....

A: Formation of ammonia reaction are given

Q: Which of the following have more than one resonance structure? OA. U A. SO42 (hint: there are two do...

A: The structure of SO42- is As SO42- has two double bonds with two oxygen atoms and -1 charge on two ...

Q: Iron and water react to form iron(III) oxide and hydrogen, like this: 2 Fe(s)+3 H,0(g)→Fe,O3(s)+3 H2...

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Q: 3- 2- 1. AszS3() + H2020) →AS0, (aq) + SO," (an) [acidic solution] a. Write the balanced reduction h...

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Q: 2. A 0.5192 g sample of a solid monoprotic acid (molar mass of 180.0 g/mole) was dissolved in water ...

A: We need to solve part-(a) to answer part-(b) and (c). #2(a): Given the mass of the monoprotic acid, ...

Q: The instrument used in the titrations which hold the titrant is called? Select one: a. pipette b. Bu...

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Q: conjugate acid-base pairs

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Q: Predict v ianges in the compositions the engineer should expect next time he measures the compositio...

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Q: Calculate the pH of a solution that is 0.052 M in HCl and 0.020 in HClO4

A: Given that,  The concentration of the solution in HCl = 0.052 M And the concentration of the solutio...

Q: Which reagent(s) would accomplish the following reaction?  1) LiAlH4 and 2) H2O   1) CH3MgBr and 2)...

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Q: Brønsted-Lowry acid-base reaction.

A: In this question we have to explain the predict the product of the reaction, also they are undergoes...

Q: An isotope of thorium, 227Th, has a half-life of 18.4 days. How long will it take for 83% of the sam...

A: The correct answer of the question is given below

Q: A chemical engineer is studying the following reaction: 2 NO(9)+2H,(g) N(g)+2H,0(9) At the temperatu...

A: Answer: To solve this question we have to calculate the reaction quotient of the reaction. Reaction ...

Q: Chloroform is an internal standard in the determination of the pesticide DDT in a polarographic anal...

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Q: What is Keg for the reaction 2S03(g) = 2S02(g) + 02(g)? O A. K=SO, 10,1 ISO, 2[SO,) B. Ke 2S0, 110,1...

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Q: QUESTION 5 Which is true regarding the compound C8H11NO2 (dopamine)? it is ionic and held together b...

A: The correct option are as follows:  

Q: Normal saline solution that is used to dissolve drugs for intravenous use is 0.92% (m/v) NaCl in wat...

A: Given data : Volume of normal saline = 35 mL % m/v = 0.92 % The given concentration = 0.92% (m/v) Wh...

Q: LIMIT TEST (IMPURITIES - BIOLOGICAL) Instructions: Note the color change of each of the samples by ...

A: A question based on general chemistry that is to be accomplished.

Q: CS2(1) + 302(g) CO2(g) + 2SO2(g) Given: C(s) + O2(g) S(s) + O2(g) C(s) + 2S(s) CO2(g) ni AH = -393.5...

A: Given, CS2(l) + 3O2(g) ➝ CO2(g) + 2SO2(g)  ∆H = ? a) C(s) + O2(g) ➝ CO2(g)  ∆H = -393.5 kJ b) S(s) +...

Q: Question - Balance the following chemical equations: C3H18 + O2 ---> CO2 + H2O When you complete and...

A: Recall the reaction --- C8H18 + O2 ----> CO2 + H2O  Balanced the following above reaction ---

Q: Predict the equilibrium partial pressure of HBr in the reaction described below by constructing an e...

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Q: The reaction H2(g) + I2(g) → 2HI(g) may occur by the mechanism shown above. What is the rate law...

A: The relation between the concentration of the reactants and the rate of reaction is expressed by the...

Q: NO:" + MnO2 → NO2 + MnO4 What is the coefficient of H* in the final redox reaction if balanced in an...

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Q: A solution was prepared by dissolving 11.0 g of compound in 270.0 g of ethanol raising the boiling p...

A: Given data, mass of compound= 11.0 g  mass of ethanol = 270.0 g = 0.270 Kg  (but no need of that dat...

Q: color of the flame produced when using in AAS in potassium determination  a. orange  b. none of th...

A: Potassium produce flame color blue purple.  Hence e  option is correct that is purple. 

Q: 1)Calculate the pH of a 2.7 x 10^-4 M solution of codeine if the pKb is 5.79. Answer to two decimal ...

A: Given,  1) The pH of a 2.7 x 10^-4 M solution of codeine if the pKb is 5.79 is: 2)  If mixed two str...

Q: If a weak monoprotic acid is 3.8 percent ionized in a 0.2F solution, calculate its ionization consta...

A: If a weak monoprotic acid is 3.8 percent ionized in a 0.2F solution, calculate itsionization constan...

Q: The decomposition of nitrogen dixoide, 2NO2(g) → 2NO(g) + O2(g) has a rate constant of 0.498 M/s a...

A: The decomposition of nitrogen dixoide, 2NO2(g) → 2NO(g) + O2(g) Rate Constant, K1 = 0.458 M/s at Tem...

Q: After the radioactive decay of a certain radioactive element, its atomic number and mass number chan...

A: Radioactive decay is the emission of energy in converting unstable nuclei into stable nuclei.  

Q: Ph for H3O+ = 2.19 × 10‐11

A: pH is negative logarithm of hydrogen ions

Q: A reaction is carried out at 25 °C with AHO = 20 kcal/mol and AS° = 25 cal/K-mol. (R: 8.314 J/K-mol ...

A: Answer: This is the question based on the second law of thermodynamics.

Q: Which is true regarding the compound K2S? O it is ionic and held together by opposite charge O it is...

A: For the completion of the octet, the element can share or exchange the electrons. By sharing of elec...

Q: H. H 1. CH3CH2MgBr, Et,0 ? 2. H3O* H3C

A: Grignard reagent  RMgBr (R - alkyl) acts as a nucleophile (R- +MgBr)  The epoxide ring (3 membered r...

Q: 50.0 g of water at 22 °C is mixed with 125 g of water initially at 36 °C. What is the final temperat...

A: Heat lost by hot water is just equal to heat gained by cold water. 

Q: 40 The ratio of an observed measurement of colligative property for a solute in a solution to the va...

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Q: H° CH3CH2° H+ CH;CH2 CH3CH2*

A: Heterolytic bond cleavages involes the breaking the bond in such a way that the shaired pair of elec...