each molecule contains multiple bonds. Draw the Lewis diagram for each. the first element is the central atom. C2F4 COCI2 POCI

Q: How many milliliters of pure water must be added to 250 mL of an acid 0.0955 N so the new solution…

A: Volume of stock solution = 250 ml  Concentration of stock solution = 0.0955 N  Concentration of new…

Q: We measure the absorbance of a protein solution with the concentration 0.006M, which absorbs at…

A: Concentration (c) of protein solution = 0.006 MPath length (l) of cuvette = 1 cm molar absorptivity…

Q: Can you type the answer? Please... I'm sorry I have a poor eyesight that's why I'm having a hard…

A: We have to identify the two geometrical isomers of stilbene, C6H5CH=CHC6H5. Given that, one isomer…

Q: Question What is the molar absorptivity if a solution has a concentration of 0.0150 M and an…

A: The concentration of the solution = Absorbance = The path length = We have to calculate the molar…

Q: An analytical chemist is titrating 153.5 ml. of a 0.06100M solution of ethylamine (C₂H₂NH₂) with a…

A: Answer:-This question is answered by using the simple concept of titration of weak base against the…

Q: that does not match any of the answers given

A: In an electrochemical cell, electrical energy is produced from the spontaneous cell reaction at the…

Q: Corinn bollow the following mixture des devise a Separation scheme that will physically sehrate each…

A: The components of the mixture are sand, toluene, ethyl alcohol, benzene, and iron fillings.  Among…

Q: Give detailed Solution with explanation needed...please give correct answer

A: Given starting compound is acetylide anion and we can also call it as a sodium acetylide anion. It…

Q: Give detailed Solution with explanation needed..give the name of given compound

A: IUPAC stands for International Union of Pure and Applied Chemistry. It is an international…

Q: Blue Blue dye stock solution Absorbance at 630 nm Calibration curve A solution is prepared by…

A: Concentration of blue dye stock slution = 0.293 MAbsorbance A = 0.00265The calibration curve y =…

Q: Trial Trial 1 2 Mass of acetic acid 30.01 30.03 solution Volume of NaOH added to half- 5.83 5.83…

A: For this question we are given,  pH for first trial = 4.72 pH for second trial = 4.70 We need to…

Q: following logarithm problem for the po log_(x)(1)/(1000)=-3

A: In mathematics, log is another way of writing the exponents terms. Log is just the opposite function…

Q: Rf value can be matched with to identify the solute Solvent front Solute itself None O Database

A: Given: Retension factor value(Rf value) To find: Identify the solute.  Solution: Rf stands fir…

Q: References Submit Answer Use the References to access important values if needed for this question.…

A:

Q: а НО +

A: The given organic reaction is reaction of cyclopentanol with succnic anhydride.

Q: Write a detail note on Electrospray ionization (ESI).

A: In this we have explain the detail information of electrospray ionization.

Q: When plotting the standard calibration curve for equilibrium constants the independent variable is…

A: In a graph - - independent variables are plotted on the X-axis (horizontal axis).  - dependent…

Q: What is the solubility of nitrogen (in units of grams per liter) in water at 25 °C, when the N2 gas…

A:

Q: 4.Assay of acetic acid in vinegar is an example of proximate analysis 5.Example of variable defects…

A: In reference to the given 4th statement, Proximate analysis is the quantitative analysis of…

Q: Washing is a vital step for any gravimetric analysis, list down the basis on for the selection of a…

A: Gravimetric analysis : It is a quantitative analysis technique in analytical chemistry which is used…

Q: I am trying to determine absorbance values to construct a calibration curve. I am given that,…

A: A question based on analytical process that is to be accomplished.

Q: Use these relations and your data for the first trial to calculate [HC₂H3O₂] and [C₂H3O₂] at the…

A: Answer:Number of moles of any specie in a solution is always equal to the product of its molar…

Q: Explain why iodine solution must be restandardized when it's used in titration with ascorbic acid…

A: Vitamin C is also called ascorbic acid, is a type of vitamin and important antioxidant present in…

Q: How do we find the strength of acids between two acids?

A: Since you have asked multiple question, as per our company guideline we are supposed to answer the…

Q: what the observations when: 1. Mix m&ms cookies with water? 2. Mix m&ms cookies with vinegar? 3. Mix…

A: Given:-              The m&m has coating of sugar and food colors. These molecules form ions in…

Q: Draw the conjugate base for cyclohexanone

A: A conjugate base is basically an acid that lost its hydrogen ion.

Q: a. Use a chemical reaction to explain how aqueous ammonia can create a basic solution. (^- Kb for…

A: Answer:-This question is answered by using the simple concept of basic nature of weak bases using…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: calculation: α=Kb​/c​where α=dissociationratio, Kb​=dissociationconstant, c=theconcentration Kb =…

Q: None

A:

Q: Please give the both answer....

A: In an electrolytic solution, charges are dispersed throughout the solution. Due to the diffusion and…

Q: Table 3-1. Absorbance Readings of Beet Solutions after Exposure to Various pH Buffer Solutions pH of…

A: A question based on Beer-Lambert law, which is to be accomplished.

Q: Rank the following in terms of increasing base strength. a b d<b<a<c U c<a<b<d P Select an answer…

A: Basic strength of anions or nitrogen base molecules depend upon the lone pair availability on the…

Q: please provide reasoning as well, thank you!!

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Discuss detail account on soft ionization techniques

A: Soft ionization: It is a useful technique when it comes to consider biological molecules of large…

Q: 3 As a pharmacist you are given ZnCl₂ (0.7%) Phenylephrine (0.1%) and Boric acid (1.1%) with E value…

A: When comparing a solution's solute concentration to that of the reference solution, which is often…

Q: Initial concentration [Fe³+] (M) Initial concentration [SCN] (M) Absorbance Equilibrium [FeSCN²*]…

A: The reaction between Fe3+ and SCN- is :

Q: A DIAGNOSTIC TEST 39 59. Which data must be collected to calculate the enthalpy of reaction? (A)…

A:

Q: uestion. Taking logarithms and antilogarithms is necessary to solve many chemistry problems. For…

A: Given is ,   Table for log and ln.

Q: Use Beer's Law to calculate the concentration of a solution of compound X, when the absorbance at…

A:

Q: 7. Please write the chemical formula of the following: h) calcium hydrogen sulfate i) zinc…

A: Chemical formula is basic form of representing  a chemical compound  or molecule.Chemical formula of…

Q: Could you please provide me the references to your answer

A: Please find the reference:-

Q: Describe the applications for the use of Electrolytic Cells in the Productions of Elements, Refining…

A: Numerous applications of electrochemistry exist, especially in industry. Electrical batteries are…

Q: This what it just said to me. Incorrect, So what information goes in the boxes in the parentheses

A: Volume = 22.3 gallonsDensity = 0.8206 g/mlMass we have to calculate