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Q: Please help me answer in this pic

A: 1. What type of catalyst that is involved in the process of our DNA? The type of catalyst that is…

Q: i need help with the answer and the chegg answer might be wrong and I really Need to get the right…

A: We have to give the retro synthesis pathway for part a.

Q: Please give correct answer choice

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Q: Using the below figure, choose the true answer:

A: Matter exists in different forms. Solid, liquid, gas, plasma are the four prominent states of matter…

Q: direct answer pls no explanation ANSWER NUMBER 2 ONLY

A: The reaction between solid white phosphorus and oxygen produces solid tetraphosphorusdecoxide.

Q: Choose the answer

A: Alkene are the organic compounds in which at least one double bond is present making the hydrocarbon…

Q: need the answer quickly

A: Karl fisher reagent is I2+ SO2+Py+alcohol for water determintion.

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Q: Can someone please help me with my assignment. Please be clear for answer box

A: in Lewis dot structure the number of valance electron of any atom is given by  number of bonding…

Q: Answer 2 only

A: To draw the Lewis dot structure.,

Q: There are THREE parts. Please circle the final answer!

A: The SN2 reaction is a nucleophilic substitution reaction where a bond is broken and another is…

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Q: and

A: Answer-c Compounds those have same molecular formula but different structural formulas are called as…

Q: no need for explanation just answer

A: Functional groups are the key constituents that exist in a molecule that furnishes the notable…

Q: please I need help with number 3

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Q: Choose the correct answer. Choose. HO Choose. Choose. Choose.

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Q: Answer question numbers 18, 19 & 2

A: Since you have asked multiple questions, we are solving first question for you. For remaining…

Q: Major Minor

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Q: and

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Q: Option a should be the correct answer and you please rework the problem and show me how they came up…

A: The mass of solute present in per million mass of the solution is known as part per million (ppm)…

Q: The answer is incorrect. Make it correct answer

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Q: Hopefull

A: Acid:  Acids give H+ ions in the solution , acid solutions are sour in taste , acid solution pH…

Q: Please answer all items will give you thumbs up and good rating. Each item consists of two…

A: According to bartleby guidelines I need to solve only first three sub parts of the given question.…

Q: answers for letter a and b

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Q: Answer both please cause it says put in two photos

A: Isomers are species having same molecular formula but different structural formula.

Q: Need help with questions 1 and 3. Please see attached image. For question 3, tell me where I need to…

A: Basicity: Tendency to donate electron pair. Smaller the electron negativity of atoms greater will be…

Q: Select the correct response: closed shoes lab gown tattered jeans two of these sandals ponytail

A: When we enter the room we have to take care about the safety first. So keep us safe is first…

Q: Please answer all I do not need the explanations

A: 16. Rate, r is directly proportional to [L]0 Rate, r is directly proportional to [M]2 Rate ,R = k…

Q: Match the letter with the correct answer:

A: B - low polar sample A - high polar sample C - mobile phase

Q: answer letter b

A: Limiting reagent is defined as the reagent which is completely consumed in the reaction and limits…

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Q: i need to know the answers to these with an explanation of how i got the answer

A: 2 (a) Introduction       Mass percent : The mass percent is used to             express the…

Q: c energy

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A: Given, Volume of water= 100 mL initial temperature of water ,Ti=4°C final temperature of…

Q: Hi  I want the answer for question e?

A: The chemical reaction between sodium hydroxide and phosphoric acid can be represented by the…

Q: Pls answer the question attached in the image

A: The structure of the given compound is given below : The given compound is pentane.

Q: 4. Са+ a. is an anion. b. is a neutral isotope. c. is an atom that has lost two electrons. d. is…

A: The Ca is an element that belongs to the alkaline earth metals. The Chemical name of the element is…

Q: Eye protection in the lab must have elect the correct response: two of these are correct eye grade…

A: Eye protection in lab must have

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Q: Answer number 1 to 5 pls.

A: 1) Concentration Blowing air on the campfire to help it go.  concentration (increasing partial…

Q: Question 34: Answer Letter F ONLY Question 36: Answer Letters E and J ONLY

A: Given  34) Formula  = Ca(ClO4)2      Name of Polyatomic ion = ? 36) Formula = Ca( HSO3)2  ,…

Q: answer 4

A: 4 . F2, Cl2, Br2,I2.  -------> -1      O2, S,Se ------------>     -2       N2, P…

Q: Answer#4

A: Given:   Concentration of nitric acid = 80%(w/w) Density of solution = 1.51 g/ml

Q: reference

A: Reference electrode is the electrode which electrode potential is taken as zero.

Q: answer 2

A: A question based on properties of a gas that is to be accomplished.

Q: and

A: Answer-b constitutional isomers are the compounds those have same molecular formula but different…

Q: please answer both charts (these are from the same question, part A and part B)

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UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.