Consider the titration of 60.00 mL 0.120 M NaHCO3 with 0.250 M KOH. a. Determine the pH at the equivalence point b. Determine the pH when 35.0mL KOH has been added

Q: Consider this reaction: CICH,CH,CI (g) → CH2CHCI (g) + HC1 (g) At a certain temperature it obeys thi...

A:

Q: Write the chemical reaction between Brady’s reagent and acetaldehyde, benzaldehyde and propanone res...

A:

Q: Carbonyl bromide, COBR2 can be produced as shown below. The thermodynamic equilibrium constant, K = ...

A:

Q: What is the pH of a buffer solution that is 0.350 M ethylamine and 0.200 M ethylammonium chloride, a...

A: As you have mentioned to answer question 4 only so i answered only question 4.Thank you. 

Q: The standard enthalpy change for the combustion of 1 mole of propane is –2043.0 kJ.         C3H8(g)...

A:

Q: Draw curved arrows to show electron reorganization for the reaction step below. Arrow-pushing Instru...

A:

Q: What is the reaction mechanism for the following reaction? Please show arrows and intermediates Br M...

A: This reaction is known as formation of Grignard Reagent, which is a very important reagent of organi...

Q: p percent transmittance:

A:

Q: 1.27 Draw the structures of the products that are formed when the following disulfide is reduced: CH...

A: Reduction can be defined as Addition of hydrogen to the substrate or removal oxygen from the substra...

Q: The empirical formula a compound is C 2H 40 and its molecular weight was determined to be approximat...

A: Empirical formula is the simplest ratio of atoms present in molecule. Therefore ratio of elements C:...

Q: How much 0.5 M KOH must be added to 200 mL of 50 mM glycine at ph 8.6 to bring its ph to exactly 10....

A: Henderson equation of buffer pH = pka + log salt/ acid

Q: How many milliliiters of a 1.25 M HF are needed to make 150 mL of a 0.450 M hydrofluoric acid/fluori...

A: Given the pH of the buffer = 4.25  Given the total molarity of HF/KF buffer, C = 0.450 M  Total volu...

Q: p+a |(V-nb)=nRT The van der Waals equation of state. R stands for the gas constant and n for moles o...

A: Given : 

Q: If a mixture was prepared by diluting 7.0 mL of the Blue#1 solution with water to a final volume of ...

A: you have to use equation M1V1 = M2V2 15M(7)= M2 (12ml) and., M2 = 8.75 M b = 0.1044 k= - 0.0351  

Q: ANION ELIMINATION TESTS ADDED REAGENT(S) OBSERVATIONS Ba(NO3)2 White ppt HNO3, Fe(NO3)3 Yellow aqueo...

A: Analysis of anions or cations means that what type of cations or anions are present in a given sampl...

Q: Briefly discuss the following: Different types of membrane indicator electrode How a pH ...

A: 1. Answer - Ion-selective electrodes are membrane  indicator electrodes that produce an electrical p...

Q: 6a. Draw the Lewis Dot structure for the following diprotic acid: HOOC-CH;-COOH. 38.5 mL of a 1.15 M...

A: The acid given is HOOC-CH2-COOH. Concentration of acid = 1.15 M Volume of acid = 38.5 mL  And concen...

Q: 1. When hydrocarbons are burned, black smoke is produced, indicating incomplete combustion and a [lo...

A: Complete and incomplete combustion can be identified by noting the smoke.

Q: A 2.76 g sample of a nonvolatile solute dissolved in 348 g of water depressed the freezing points by...

A: A 2.76 g sample of a nonvolatile solute dissolved in 348 g of water depressed the freezing points by...

Q: where does the rate constant depend? Select one: a. volume b. temperature c. concentration d. pr...

A:    

Q: The solubility of CO2 gas in water Select the correct response: decreases with decreasing temperatur...

A:     The solubility of CO2 gas in water _________. We have to find out the relationship between tempe...

Q: Complete the following chemical equation below. Provide the reagent that will separate each pair of ...

A: A) Zn +2 and Ba+2 will be separated by so4 -2 ions.  B) Al+3 and C +3  will be separated by the heat...

Q: Answer a, b, c,

A: Alkyl halides react with sodium alkoxide to form an ether by the Williamson ether synthesis. The rea...

Q: Nickel and carbon monoxide react to form nickel carbonyl, like this: Ni(s)+4 CO(g)→Ni(CO),(9) At a c...

A: Concentration of a solution can be measured in terms of molarity which is equal to number of moles o...

Q: 6. What is the edge length of a simple cubic unit cell made up of atoms having a radius of 158 pm?

A:

Q: Consider the titration of 50.0 mL 0.1250 M KOH with 0.07500 HClO4 M. a. Write the balanced reaction...

A: Volume of KOH = 50.0 mL Molarity of KOH = 0.1250 M  Molarity of HClO4  =0.07500 M

Q: 4. Calculate potentials after the addition of 10.00, 25.00, 50.00, and 50.10 mL of the reagent. Wher...

A: "Since you have asked multiple questions, we will solve the first question (4a) for you. If you want...

Q: What happens to a dxy orbital as a result of the following rotations about the z- axis? С4 C2 А. В. ...

A: For this type of question, we have to discuss first the dxy orbital along with its sign.

Q: "hich one of the following statements is true? O a. The conjugate base of a strong acid is very weak...

A:                                  Answer Which of the following statements is true Strongest acid has...

Q: plz asap withn 10 min dont answer after 1.00 pm)

A: When light travels, its intensity can be related to the solution's concentration through which light...

Q: 2. Calculate the potential of the following two half-cells that are connected by a salt bridge: a ga...

A: In galvanic cell redox reaction occur  Here We are required to find the potential of the given cell ...

Q: Which is longer—a C–H bond or a C–O bond?        Which is shorter—an N–H bond or a C–H bond?   Arran...

A: stronger the bond between atoms, smaller will be there bond length.   

Q: 2. How to find what a materials crystal structure is? (FCC, BCC or neither FCC or BCC or

A: We have to tell how to detect a material crystal structure is either FCC, BC, or neither FCC, or BCC...

Q: Titanium and chlorine react to form titanium(IV) chloride, like this: Ti(s)+2 Cl,(g)→TİCL,(1) At a c...

A:

Q: Which structural feature of Tryptophan and Tyrosine allows to absorb UV light? Is Aromatic structure...

A: Since precise protein quantitation is vital for all examinations connected with protein studies, var...

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.38 kg sample ...

A: Answer: Heat capacity can be calculated by below shown formula: Q=nC∆TQn∆T=CC=Qn∆There:Q=heat addedn...

Q: Consider this reaction: 2Cl,0; (g) → 2Cl, (g)+50, (g) At a certain temperature it obeys this rate la...

A:

Q: A 1 litre solution is made by adding 0.6646 moles NaH2PO4 and 0.8868 moles Na2HPO4. What will be the...

A: Here by mixing NaH2PO4 and Na2HPO4 we are making Buffer solution Basically buffer solution is a type...

Q: rave-like properties. Determine the waveler by an electron moving at 10 ms-1.

A: Mass of electron(m) = 9.10×10-31 kg Velocity(v) = 10 m/s Using De-broglie wavelength,  Wavelength(L)...

Q: MG3N2

A: Mg3N2 is a compound which consist magnesium and nitrogen atom and its chemical name is magnesium nit...

Q: Show that the atomic packing factor for FCC is 0.74.

A: We have to show that the atomic packing fraction of FCC is 0.74.

Q: 8. What mass of AgNO3 is required to react with 10.0 g of CaCl2? AgNO3 + CaCl2 - AgCl + Ca(NO3)2

A:

Q: Discuss balancing chemical equation.

A: In a chemical reaction, the combination of appropriate reactants in a suitable molar ratio furnishes...

Q: Given the following reactions, calculate AH for Mn + O2 MnO2 3 MnO2 + 4 AI 3 Mn + 2 Al2O3 AH = - 179...

A: ΔH for the given reaction can be obtained using Hess's law.  Hess's law states that the overall enth...

Q: 1. Write a balanced chemical equation, including physical state symbols, for the ロ→ロ decomposition o...

A:

Q: Classify the following substances as strong electrolytes, weak electrolytes, or nonelectrolytes. 1. ...

A: Answer: A compound when added into the solvent, gets dissociated into the ions is called as electrol...

Q: Show how the reactions take place. Concert the ff condensed formula into structural formula. 1. снЗ-...

A:

Q: Which of the following applies to meso compounds? A meso compound has chiral carbons O A meso compou...

A: Meso compound: If an organic compound contains more than one chiral carbon and a plane of symmetry t...

Q: Grignard reagents needed. OH A. The aldehyde should be: H. H. H. H. B. The Grignard reagent should b...

A:

Q: Ammonia, an important source of fixed nitrogen that can be metabolized by plants, is produced using ...

A:     Recall the Haber's process in which nitrogen and hydrogen are combined -                        ...

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.