When titrating 225 mL of 0.245 mol/L nitric acid HNO3 with 0.205 mol/L KOH. What is the pH of the solution, after the addition of 874 mL of KOH solution? Give an answer to 3 decimal places. Round off only at the end.

Q: Consider the reaction shown below. PbCO3(s)  PbO(s) + CO2(g) Calculate the equilibrium pressure…

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Q: A buffer solution contains 0.31 mol of phenol (HC6H5O) and 0.85 mol of sodium phenoxide (NaC6H5O) in…

A: Given:  Moles of phenol (HC6H5O) = 0.31 mol Moles of sodium phenoxide (NaC6H5O) = 0.85 moles Volume…

Q: For the diprotic weak acid H2A, ?a1=2.9×10−6 and ?a2=8.2×10−9. What is the pH of a 0.0650 M solution…

A: Diprotic acid is dibasic acid which has two acidic H+. This will dissociate two times.

Q: A regular solution is the same as a dilute solution O True O False

A: Here we need to distinguish between regular and dilute solution. In binary solution, the component…

Q: A sample of 2.30 g of potato chips was burned in a calorimeter. The calorimeter was calibrated to…

A: The heat released or absorbed is given by the following equation:  Q = m c ∆T  where Q = heat  c =…

Q: Which reaction coordinate corresponds to the following reaction? HBr E Rxn Progress a ·M..M E d E…

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Q: HO AG° = HOT HO OH a form of glucose OH a form ß form H - Which of the two forms is most stable: HO…

A: In the chair conformation of cyclohexane bulky group prefer equatorial position. ∆G° = -RTlnKeq  R =…

Q: The reaction shown forms two major substitution products. Draw both products and write a mechanism…

A: There is formation of 3° carbocation and it has planner structure so nuclophile can attack from both…

Q: Reaction B. 1. B₂H6 2. H2O2 (aq) 3M NaOH Draw the product in rea Select Draw Rim C

A: This reaction is an example of hydroboration oxidation reactions. In which alkene is converted into…

Q: CH3Br or CH₂I (CH3)3CCI or CH3C1

A: Rate of Sn2 reaction increases if the alkyl halide is less bulky it means rate of reaction will be…

Q: Is THF a polar protic or aprotic?

A: Polar protic solvent - solvents must contain proton attached to electronegative atom.  Polar aprotic…

Q: A 28.5 g piece of gold is heated and then allowed to cool. What is the change in temperature (°C) if…

A: Given the mass of gold taken = 28.5 g Heat released by the gold, Qr = - 0.290 kJ  Note: Since heat…

Q: Calculate the solubility at 25 °C of Zn(OH)2 in pure water and in a 0.0170M ZnSO4 solution. You'll…

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Q: What is the pH of a 0.563 M solution of NaF? O 5.40 O 10.79 O 8.60 O 3.21

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Q: 1. Multipr 1. Which of the following alkyl halides is the second most reactive one in a SN2…

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Q: Aspartame, C₁4H18N2O5, is a solid used as an artificial sweetener. Write the balanced equation for…

A: •Here given compound is"Aspartame". •Formula of Aspartame is C14H18N2O5. •We are writing here…

Q: If 283.0 mg of AgBr is completely dissolved in 143.0 mL of 0.2 M NH3, what is the equilibrium…

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Q: Draw a skeletal (line-bond) structure of (S)-2,4-dimethylheptane. Use a dash or wedge bond to…

A: Given : name of molecule. Tip : first draw parent chain. And add groups at 2 and 4 position

Q: Measure out 50.0 mL 1.0 M CH3COOH and 50.0 mL of 1.0 M NaCH3COO and combine them into a beaker.…

A: Note :- on increasing volume of non reactive solution the number of moles of species remains same…

Q: A kinetic study of an intestinal peptidase using glycylglycine as the substrate produced the…

A: . The hyperbolic curve that results from the Michaelis Menten(MM) graphic is asymptotic. This…

Q: A: NUⓇ Nu i B Consider the following two compounds and answer the questions that follow: Nu (a)…

A: Nucleophilic addition reaction: The chemical reaction in which a nucleophilic addition to the…

Q: Primidone (shown below) is an anticonvulsant used to control certain types of epileptic seizures.…

A: Stereoisomers are Isomers that have same composition but that differs in the orientation in the…

Q: 25.0 cm³ sodium hydroxide is neutralized by 15.0 cm³ sulphuric acid of concentration 0.10 mol dm-3.…

A: Given :  Volume of sodium hydroxide = 25.0 cm3  Volume of sulphuric acid = 15.0 cm3  Concentration…

Q: A chamber contains equal molar amounts of C₂H₂, CH₄, and H₂. If the total chamber pressure is 5.00…

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Q: Macmillan Learning A 28.01 g sample of a substance is initially at 23.9 °C. After absorbing 1229 J…

A: Mass = m = 28.01 g  Heat = q = 1229 J  Initial temperature = T1 = 23.9°C  Final temperature = T2 =…

Q: 6. For the following reaction: H₂O(g) + CO (g) → H₂(g) + CO₂ (8) a 1.00L container initially…

A: Here we are required to find the equilibrium constant for the given reaction.

Q: (6) Draw the structure for each solvent and explain why it is polar protic or aprotic. a. DMSO b.…

A: The solvent which can act as proton donor is called as polar protic solvent.  The solvent which…

Q: At 25.0° C, a 10.00 L vessel is filled with 5.25 moles of Gas A and 4.70 moles of Gas B. What is the…

A: Given:  Temperature of the system, T= 25.0°C = (25.0 + 273.15)K = 298.15 K  Volume of the vessel, V…

Q: 3. Class 4 lasers can be used to remove tissue scars and to cut through strong metals. Why is this…

A: Lasers are divided into various groups from Class 1 to Class 4 based on the intensity of power…

Q: VI. The rate of the reaction (CH3)3CCI+NaSCH2CH3 - ->> (CH3)2C=CH2 + CH3CH2SH + NaCl is first-order…

A: Given that a reaction is (CH3)3CCl + NaSCH2CH3 → (CH3)2C=CH2 + CH3CH2SH + NaCl. Also, given that the…

Q: Macmillan Learning O Predict the neutral organic product of the reaction. CH3 H₂C=C + H3C-OH CH3…

A: In presence of acid, alkene reacts with alcohol and produces ether. The reaction is given below

Q: A 29.1-g sample of water at 280. K is mixed with 50.7 g water at 330. K. Calculate the final…

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Q: The specific heat of a certain type of metal is 0.128 J/(g-°C). What is the final temperature if 305…

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Q: Rank the following compounds in order of reactivity toward an SN1 reaction. (1=best) CH3CH₂Br…

A: Given compounds are  We need rank these compounds in order of their reactivity towards SN1 reaction…

Q: Bystolic (shown below) is a pharmaceutical used to treat high blood pressure. What is the maximum…

A: Number of stereoisomers = 2 n (Where n = number of stereocenters)

Q: CH3Br CH₂OTOS (CH3)3CCI (CH3)₂CHCI

A:

Q: Choose the best reagents to complete the reaction shown below. mal H al A B D E 1. NaBH. 2. H₂O* Na…

A: Internal alkynes can be reduced into trans alkene when they react with sodium metal in liquid…

Q: At STP, what is the mass 13.0 L of methane, CH4? O 27.6 g 16.0 g 0.580 g O 9.31 g

A: Given data :

Q: 2 A1+ 3 F₂ arrow> 2 AlF3 What mass of A I F3 (MW = 83.98 g AI F3) is formed when 100. g of Al (MW =…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: Draw the product of the E2 reaction shown below. Ignore any inorganic byproducts.

A: Elimination reaction of alkyl halide: Alkyl halide gives an elimination reaction by reacting with a…

Q: A solution has [H3O+] = 4.4×10−5 M . Use the ion product constant of water Kw=[H3O+][OH−] to find…

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Q: (CH₂(CH₂) CH₂) reacts with gaseous oxygen gas to produce gaseous carbon dioxide (CO₂) and gaseous…

A: Given -> Weight of octane = 2.3 gm  Weight of O2 = 4.9 gm

Q: d

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Q: 1- Draw structures of alkanes that meet the following descriptions: An alkane with two tertiary…

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Q: A buffer with a pH of 4.54 contains 0.39 M of sodium benzoate and 0.18 M of benzoic acid. What is…

A: Here we are required to find the concentration of hydronium ion.

Q: Please answer all part Other wise downvote All part ans.i am give upvote

A: nucleophile, in chemistry, an atom or molecule that in chemical reaction seeks a positive centre,…

Q: Gaseous butane (CH, (CH), CH₂) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide…

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Q: 4. In the following P-T diagram for potassium, does fcc or bcc have the higher density and will fee…

A: It is clearly seen from the graph that FCC exists exist at high temperature as compared to BCC. High…

Q: Using standard heats of formation, calculate the standard enthalpy change for the following…

A: Given -> S(s,rhombic) + 2CO(g) ----> SO2(g) + 2C(s,graphite)

Q: I 200 I 0 120 100 PPM | || ||| IV

A: P

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.