7. Calculate the pH of a buffer solution consisting of 0.50 M HClO (Ka = 2.9.10 ) and 0.60 M NaClO. Concentration (M) HCIO(aq) + H₂O(l) = CIO (aq) + H₂O*(aq) Initial Change Equilibrium a) 4.23 b) 8.94 c) 7.66 d) 7.62

Q: 5. Why are some drugs given in combination, provide a suitable example

A:

Q: WHICH OF THE FOLLOWING REPRESENTS THE CORRECT CONVERSION FACTOR BETWEEN GRAMS AND POUNDS? I 453.6…

A:

Q: Temperature B A. Position A B. Position B E Use the phase change diagram. Where are the liquid…

A:

Q: How many kilocalories are present if 81J are produced?

A: Given the energy produced in J = 81 J We have to convert 81 J to kilocalories (kcal). First, we have…

Q: Consider the [Ir2(dimen)4] 2+ complex. Notice that the dimen ligand is asymmetric. There is also a…

A: The two binuclear complex of Ir metal having the molecular formula [Ir2(dimen)4]2+ and [Ir2(TM4)4]2+…

Q: convert 1.60 x 104 mL to quarts (qt) using dimensional analysis.

A:

Q: which are the most reactive metal  and least reactive metal when react with HCl and why? Ca Cu Mg…

A: Reduction potential E0 of elements  E0 of Ca = -2.87v E0 of Cu = 0.34 v E0 of Mg = -2.36 v E0 of Fe…

Q: If a snail crawls at a rate of 425.96 cm/s, what is its speed in miles per hou the unit. Hint:…

A:

Q: 6. In a study of glass etching, a chemist examines the reaction between sand (SiO₂) and hydrogen…

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration…

Q: Calculate the enthalpy change for the following reaction, __C₂H4(9) + F₂(g) → _CF4(9) + HF(g) using…

A: Recall the given reaction,                   _ C2H4 g  +  _ F2 g  →  _ CF4 g  +  _ HF g∆Hf° C2H4 =…

Q: a: Sketch within a cubic unit cell the following crystallographic directions: [121], [201], [2 1 3),…

A: The crystallographic direction within a cubic unit call can draw by converting the Miller indices…

Q: 1. Formulate the potential product(s) of each of the following reactions. Write "no reaction" where…

A:

Q: 1. The antibacterial activity of flavonoids was tested against the bacterial strain, Escherichia…

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

Q: During the compression stroke of a certain gasoline engine, the pressure increases from 1.00 atm to…

A:

Q: Is O₂ being created or destroyed by the chemical reaction? If O₂ is being created or destroyed, what…

A: From the information of pressure of a gas vs time we can determine  rate of a reaction. We can…

Q: A rigid vessel is filled to one-half its volume with liquid methane at its normal boiling point (111…

A:

Q: The ammonia molecule NH3 has vibrational modes. 6 4 7 12

A: In a molecule the number of vibrational modes can be determined by using the following formula:

Q: A sample of unknown liquid is poured into a graduated cylinder and the volume of the unknown is 23.5…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: 5) Stavudine is an antiviral drug that has been tested as a treatment for AIDS. The daily…

A: Given: The daily recommended dosage of stavudine = 1.0 mg/kg We have to find the mass of stavudine…

Q: Multiple Choice 1. This overall reaction is best described as being: a. exothermic b. endothermic c.…

A:

Q: Provide the correct IUPAC name for the skeletal (line- bond) structure shown here.

A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: turnover number of an enzyme related to Vmax cal mechanics

A: This is multiple questions. As per the guidelines, we are allowed to solve the first question if we…

Q: СНЗ ЕНЗ

A:

Q: Question 54 of 66 Provide the correct IUPAC name for the skeletal (line- bond) structure shown here.…

A:

Q: (a) Use the following data to calculate the enthalpy of hydration for calcium chloride and calcium…

A:

Q: HO НО

A: In the given reaction we need to convert the given secondary alcohol to primary alcohol.

Q: how many grams of each to prepare 30ml and what are the percentages of each chemicals.

A: As per question, to prepare 1000 mL of Iodine tincture, Mass of Iodine required = 20 g Mass of…

Q: ations. Calculate the volume (length x width x height) in units of mm³ (mm x mm x mm) fo large…

A: Volume = length * width* height Length = 254.7 mm Width = 25.3 mm Height= 136.8 mm Volume =…

Q: An electrolytic cell contans 50.0 mL of a 0.152 M solution of FeCl3. A current of 0.775 A is passed…

A:

Q: How would you characterize a solution made of hexane (C₂H₁) and octane (C₂H₂ )? 8: A) relatively…

A: Raoult’s law: It is stated as the partial vapour pressure of a solvent in a  solution is equal to…

Q: Consider the reaction described by the equation The rate law is C₂H, Br, (aq) +31(aq) C₂H₂(g) + 2 Br…

A:

Q: 125g of a certain seasoning and are told that it contains 96.0 g of salt. what is the percentage of…

A:

Q: If you have a piece of lead (dPb = 11.34g cm^-3) with a volume of 23.4 cm^3, what is the mass (in…

A:

Q: Part A Spell out the IUPAC name of the compound. Submit Request Answer Part B Br 1 CI-CH₂-CH-CH₂-Br…

A:

Q: Compound A, I would like to ask about the 180° turn in upper C -CH₂CH₂. -OH and -H rotate 90°…

A:

Q: 15.3 mL of 0.1 M hydrochloric acid is used to titrate a 25 mL alkaline sample to achieve…

A: Given: Volume of acid = 15.3 mL Concentration of acid = 0.1 M Volume of alkaline sample = 25 mL

Q: white reagents for each. +CH CH3 CH 3 ↑ Br Sun Br CH3 CHS

A: Organic reactions proceed by the rearrangement or in the presence of specific reagents. If…

Q: 5. Find x if x² (0.0010-x) 1.8 x 10-4

A:

Q: PROBLEM STATEMENT: 50 mL of 3.5 m potassium nitrate is added to 50 mL of 3.5 M Aluminum Chloride.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Explain and draw Points Defects of cr

A: Point Defect Point defects in crystal structure are isolated interruptions to otherwise flawless…

Q: (a) Consider the combustion of butane, given below: If C4H10(9) is decreasing at the rate of 0.880…

A:

Q: Mustang has a displacement of 5.0 L. What is this volume in cubic definition, 1 inch is exactly 2.54…

A: Since you have posted multiple questions so we are answering first question for you for remaining…

Q: own Substance What is the lowest temperature (in °C) at which the liquid can exist, regardles…

A:

Q: Which of the following is relatively most acidic?    acetic acid            hydronium ion…

A: In this question, we need to find out most acidic compound.  Acidic compound : Those compound are…

Q: 58. Express the following quantities using scientific conventions and mathematical procedures,…

A:

Q: A 24.4 mL sample of 0.211 M ethylamine, C₂H5NH₂, is titrated with 0.343 M hydroiodic acid. At the…

A: Ethylamine, C2H5NH2 is a weak base with pKa = 10.8  Ethylamine, C2H5NH2 when reacts with the strong…

Q: At 25°C, the vapor in equilibrium with a solution containing carbon disulfide and acetonitrile has a…

A: In the vapor phase, total pressure (Ptotal) = 247 torr and mole percent of CS2 = 85.3 % mole…

Q: The polymerization of vinyl chloride (1.6x10³M) is carried out using hydrogen Peroxide (0.4x106 M),…

A: Introduction to Polymerisation The process of creating polymers is called polymerization. Following…

Q: THE CHEMICAL FORMULA OF THE FOLLOWING COMPOUND •Sodium hydroxide •Potassium permanganate

A: A chemical formula indicates the elements and their proportions in a compound .

Q: Which of the following species is/are not a resonance form(s) of the anionic species in the box? S S…

A:

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.