Which of the following acids would be best to form a buffer with a pH of 2.21? O A. HCN pKa = 9.31 OB. C6H4(COOH)2 pka = 3.54 OC HOC6H4OCOOH pKa = 3.00 OD.C5H505COOH pKa = 5.40 %3D OE HC7H502 pKa = 4.19 %3D

Q: 5. What is the efficiency of a Carnot engine operating as heat engine between two reservoirs at 500K…

A:

Q: Compute for the KP of the following reaction: Note that the given equilibrium concentrations is…

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Q: Naphthalene, C10H8, melts at 80.2 °C. If the vapor pressure of the liquid is 1.3 kPa at 85.8 °C and…

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Q: temperature at which its vapor pressure is 66.0 kPa.

A:

Q: Explain how a buffer solution of carbonic acid and bicarbonate will react when: a strong acid,…

A: pH of a buffer solution remain unchanged with addition of few drops of acid and base.

Q: H. H H. H;CO E

A: ->HCN give nucleophilic addition reaction to carbonyl center.Hence, the carbonyl center which has…

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Q: Oxacarbazepine (C15H12N20) is used to treat epilepsy. NH2 What would happen to the equilibrium of…

A: Given: C15H12N2O is used to treat epilepsy. And C15H13N2O+ is added to the system.

Q: What is the solubility, in moles per liter, of Fe(OH)2 (Ksp=6.5x10-16) in 0.0569 molar NaOH…

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Q: What is the common name of the following compound? H. H. H.

A: -> Here CH=CH2 attached with benzene ring.

Q: N2 heat

A:

Q: Write each quantity in scientific notation. 1,234 g 0.000162 m 5,244,000 L 0.00562 g 44,000 km

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A: Given: We have tp tell which of the following statement is not true about combustion reaction.

Q: For the the molecule represented below: A Но. C OH ОН В Rank the labeled acidic protons (H atoms)…

A: The proton which can easily be removed is most acidic and vive versa.

Q: As partial pressure of an ideal gas approaches 0 the chemical potential approaches A. Approaches…

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Q: 8.20 The Berthelot equation of state for gases is (P+ a/TV)(Vm – b) = RT (a) Show that the Berthelot…

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Q: Phosphorus (P4) and oxygen react to produce diphosphorus pentoxide.   How many grams of diphosphorus…

A: Given - Weight of phosphorus = 135.87 gm Weight of oxygen = 154.28 gm

Q: Answer the questions in the table below about this molecule: OH What is this molecule's chemical…

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Q: Provide the structure of the product(s) with stereochemisty if appropriate. If multiple products…

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A: Give: Mass of water = 500 g. Initial temperature of water = 130.0 oC And final temperature of water…

Q: Calculate the volume of a unit cell of Nickel in nm3. The volume of unit cell of Nickel is…

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Q: Given a pressure-composition diagram of b and w what is the portion of the plot describe below? (use…

A: We are given a pressure-composition phase diagram of mixture of compound w and b . In phase diagram…

Q: The pKa of HX is 9.34.  Calculate the pH of a 0.418 M solution of HX.

A:

Q: Use the experimental value of the coefficient of viscosity for argon ( n= 2.10 x 10* kg ms) to…

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Q: late the molar solubility (in moles per liter) of magnesium hydroxide in a solution that is buffered…

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Q: A schematic of a mass spectrometer is shown. To ion transducer Ion with unstable trajectory Ion with…

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Q: Te following chemical reaction takes place in aqueous solution: MnCl, (aq)+2 KOH(ag) →…

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Q: What are [H3O+], [OH−], and pOH in a solution with a pH of 10.65?

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Q: जाNe काट nmss of चकnc m दुn १ ४०c ०4 चंकाट \S ०.388১/8'C .चnc i5 उरcतामी० केटक्ी headed ৪৪. 3C Jo…

A:

Q: 3. What volume of a 0.470M HCI reacted with enough Zn metal to produce 1.50 g ZnC12 based on the…

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Q: OEt (3) ? NaOEt, ELOH

A:

Q: Write the wave function of the orbital occupied by the last electron in the 47Ag atom

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Q: Write a net ionic equation for the reaction that occurs when aqueous solutions of sodium hydroxide…

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Q: Which solid is the most soluble? a. AIPO4 (K = 9.84 x 10-21) b. CaSO4 (Ks, =4.93 x 10-5) c. AgI (Kp…

A: The higher the Ksp , the more soluble the compound.

Q: Part A The following data show the rate constant of a reaction measured at several different…

A: The data given is,

Q: how much of benzoyl Peroxide 10% is needed to be mixed with Eucerin cream to prepare 30 gram of…

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Q: 6. For the reaction Cu(s) = Cu(g) AH° = 81,730 – 0.47T – 0.731x10³T? AS° = 34.94 – 1.08 log10T -…

A: Given-> ∆H° = 81730 - 0.47 T - 0.731× 10-3T2 ∆S° = 34.94 - 1.08logT - 1.46 × 10-3T

Q: Carbon dioxide and water react to form bicarbonate ion and hydronium ion. Hyperventilation (rapid…

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Q: From the following series of reactions find the free energy of formation of N204(g) at 25°C: % N2(g)…

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Q: Which substance is being oxidized in the reaction 2 Mg(s) + 2 MgO(s)? -

A: Given :-  2Mg(s) + O2(g) → 2MgO(s)  To identify :-  Oxidized substance in above reaction

Q: Complete the following reactions: CH,CH,I (1) NaOEt, ELOH

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Q: Will a precipitate of BaSO4 form when 200.0 mL of 0.000515 M Ba(NO3)2 is added to 150.0 mL of…

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Q: Which of the following statements about combustion reactions is not true? They can involve certain…

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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.