Determine the pH at the equivalence (stoichiometric) point in the titration of 44.27 mL of 0.138 M morphine(aq) with 0.271 M HCl(aq).  The Kb of morphine is 1.6 x 10-6.

Q: Consider the reaction 2 N20 (g) – 2N2 (g) + 02 (g) . Calculate the work in kJ units at T= 320.0 K (i...

A: Work done during a chemical reaction = - ∆ng * RT ng = No of moles of gas = (Moles of gaseous produc...

Q: ute solution of hydrochloric acid with a mass of 606.87 g and containing 0.31625 mol of HCl was exac...

A:

Q: You need to make 100 mL of a 2.5% dextrose solution for a hypoglycemic kitten using the 50% stock so...

A: Given that, V1=100 ml, %solution of 1=2.5 %  V2= ? , % solution of 2 =50%   

Q: Explain: hydrochloric acid is a strong acid while acetic acid is a weak acid.

A: Why HCl is strong and CH3COOH is weak ?

Q: First ionization energy ___________ as you go down a group and ___________ as you go left to right a...

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Q: What are the alternative natural materials can be used in cleaning the following: A. food stain on c...

A: We have to tell natural materials can be used in cleaning for  the following: A. food stain on cloth...

Q: How many moles are found in a 561 gram sample of iron (lll) chloride, FeCl3?

A: Given  Mass of FeCl3= 561 grams  We know that,   Number  of moles = mass / molar mass  

Q: Types of Chemical Reactions Determine what types of chemical reactions are the equation undergo. Wr...

A: The most basic types of chemical reactions are combination, decomposition, single-replacement, doubl...

Q: thermometer. A sample of brass, which has a specific heat capacity of 0.375 J-g.°C , is put into a c...

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Q: Consider the formation of phosphorus pentachloride from phosphorus trichloride and chlorine gas: PC...

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Q: ewis structures shown contains one polar covalent bond. Identify the bond, and use th olarity.

A: Polar covalent bond is formed when atoms having different electronegativity share electrons in a cov...

Q: In a first –order reaction, suppose that a quantity X of a reactant is added at regular intervals of...

A: Amount of drugs taken = 0.1g Drug is taken 3 times a day. 1day = 24hr Mass of drug accumulated = 0.5...

Q: 1. What is the chemical reaction involved i the synthesis of methyl salicylate? 2. Give also the re...

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Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: 1) Reaction is endothermic because 253kJ heat is flows from water bath to system. 2) The released he...

Q: Part B Consider the following reaction: H2 (9) + I2 (g) = 2 HI (g) A reaction mixture at equilibrium...

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Q: A buffer is made using 45.0 mL of 0.750 M HC3H5O2 (Ka = 1.3x10-5) and 55.0 mL of 0.700 M NaC3H5O2. W...

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Q: electrocyclisation 1 A Ph COOME elektrocyclisation 2 Ph B COOME Diels-Alder cycloaddition (intramole...

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Q: Consider the reaction below. If the initial concentration of CO2 was 0.500 M and the initial concent...

A: The equilibrium concentration of a compound in the reaction can be determined by the equilibrium con...

Q: 2. Write down the mechanism for the formation of major product and byproduct. Hint - involves 1,3-di...

A: We have to give the mechanism of the formation of the product and the byproduct. Given that, it invo...

Q: The following table was written after using sieve analysis method on a paracetamol powder. Sieve ana...

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Q: Provide curve arrow mechanism for the following reaction and include all major and minor produce AIC...

A: Friedel-Crafts Alkylation refers to the replacement of an aromatic proton with an alkyl group. This ...

Q: can you please draw the mechanism to form the product shown? OH Ме, OH B. 1. CrO3, pyridine, H2O 2. ...

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Q: Calculating kinetic energy Calculate the kinetic energy of a 569. kg roller-coaster car moving at a ...

A: Mass of roller-coaster car = 569.0 kg  Speed of car = 26.0 m/s 

Q: The correct answer is D, can you please draw the mechanism for the set of reactions shown? А. 1. H,о...

A: In presence of an acid, the epoxide ring is opened from the more substituted side.  TMSCl is used to...

Q: Mercury is an environmental pollutant because it can be converted by certain bacteria into the very ...

A: This problem is solved by the unitary method. Given mass of mercury is 241 tons and 1.9% of this amo...

Q: Fill out the following table using the KingDraw Application. Create the structures given, whether it...

A: To write the Chemical name and draw the structure for the given Chemical Formula.

Q: Compute the pOH, [H3O+], and [OH-] of soda drink if its pH value is 2.

A: Given  PH = 2  POH , [ H3O+] , [ OH- ] = ?

Q: Assume that all solution were prepared at 25℃, and the solutes were completely dissolved. Alcoholic...

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Q: garlic, onion, salt, and vinegar as Cleaning Products questions: Are the following ingredients (ga...

A: Household cleaning materials are substances used to clean household soft materials without using any...

Q: A mixture of helium and oxygen gas is expanded from a volume of 16.0 L to a volume of 64.0 L, while ...

A: Given that, Pext.= 43.0 atm  V1=16.0 L  V2=64.0 L  work done =?

Q: What type of solution is made from a mixture that contains 19.5 g KCl in 48.6 g of water at 30 °C? T...

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Q: Question: What is the mass of CaCl2 present in the original solution, based on actual yield? Theoret...

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Q: Calculate the number of nitrogen atoms in a 140.0 g sample of dinitrogen tetroxide (N,04). Be sure y...

A: We have to calculate the number of nitrogen atoms in a 140.0 g sample of dinitrogen tetraoxide (N2O4...

Q: 1) Discuss how polymerization changes the properties of any ensemble of amino acids so that a protei...

A: Proteins may be defined as compounds of high molar mass consisting largely or entirely of chains of ...

Q: What properties of water give it a unique role in the environment?

A: Please find your solution below : Water is an inorganic substance composed of hydrogen and oxygen. I...

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction i...

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Q: Write the cell notation for an electrochemical cell consisting of an anode where H2 (g) is oxidized ...

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Q: Give the importance of acid-base balance in the body.

A: Our body needs the right balance of acidic and basic (alkaline) compounds to function properly. This...

Q: How would you prepare  x 10 ^2 mL of 0.9 M NaOH solution, starting from 5.01 M stock solution? (give...

A: Given that, M1=5.01 M, V1=? M2=0.9 M , V2= 2×102 ml = 200 ml  then,    

Q: If a pure material decomposes when heated into simpler substances, this proves that the material was...

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Q: A mixture of xenon and neon gas is compressed from a volume of 88.0 L to a volume of 73.0 L, while t...

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Q: Name the following compounds: 1.[Cr(NH3)6Cl3 , K(Co(EDTA)] and Ni(en)2Cl2  2.[Pt(py)4[PtCl4] and [...

A: Rules to follow in naming transition metal complexes: - If the complex is a salt, the cation is name...

Q: Alcoholic beverages are solutions. Typically, a beer contains about 4.50% (v/v) of ethanol fermented...

A: On dilution concentration of solution changes but no of moles remain same. So, M1V1 = M2V2 M1: Initi...

Q: 2. The solution gas-oil ratio of a crude oil is 800 scf/stb at 3,000 psia and 120 F. Given the follo...

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Q: If 28.5 g. of Ca(OH)2 is dissolved in enough water to make 185 g. solution. Calculate the % concentr...

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Q: The following molarities were calculated from replicate standardization of a solution: 0.5021, 0.501...

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Q: Consider the following acids and bases: HCO2H    Ka = 1.8 × 10-4 HOBr    Ka = 2.0 × 10-9 (C2H5)2NH ...

A:       Given :      the values of the dissociation constant for the following acids and bases. HCO2H ...

Q: Solid aluminum (Al)and chlorine (C1,) gas react to form solid aluminum chloride (AIC1,). Suppose you...

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Q: 3 of 15 If [H] in a solution at SATP is 0.0067 M, [OH]= O 6.7x10 17M O 1.5x10 12M O 2.2 M O 0.0063 M...

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Q: Acids and bases are among the most common and important compounds known.  Discuss an application of ...

A: An acid is a substance that give hydrogen ions in solution and a base is a substance that give hydro...

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for