R Group Basic, acidic, or Polar or nonpolar Ilydrophilic or hydrophobic neutral a. CH CH, CH, b. c. CH2 CH2 NH," d. CHe OH

Q: Which process in the diagram below shows phosphorescence Singlet excited statos 2 Triplet excited st...

A: Jablonski diagram: Jablonski diagram is an energy diagram in which fluorescence and phosphorescence ...

Q: 14.71 A A reaction has a rate constant of 1.26×10−4 s−1s−1 at 27  ∘C ∘C and 0.226 s−1s−1 at 77  ∘C ∘...

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Q: compare the amount of heat given off by 1.40 mol of liquid water when it cools from 100.0c to 30c to...

A: Heat capacity of liquid water - 4.184 J/(g oC) Heat capacity of steam - 2.03 J/(g oC) Amount of wate...

Q: Determine the isomeric form exhibited by structure provide. ng N: S- E double bond Z double bond

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Q: 4. Percent by Mass/Volume Concentration A 50 ml of 12% by mass per volume solution was used in an ex...

A: Given, Volume of solution = 50 ml Mass per volume percentage = 12%

Q: Which of the following is the missing reagent best used to carry out the following reaction? 1. ?, T...

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Q: How many joules is a 2 cycle/sec photon of radiation of a beam of infrared radiation with a waveleng...

A: Answer: With the help of wavelength, calculate the energy of an Infrared photon and then calculate t...

Q: What process is involved in #1? Singket excitod states 2 Triplet excited state -T, 3 5 Ground state ...

A: In process #1 the transition is in between two energy states of same spin state eg. singlet and the ...

Q: PART 1: Write the half - reaction of each redox reaction and determine the oxidizing and reducing ag...

A: Redox reaction is defined as the reaction in which oxidation reduction take place or which involves ...

Q: In AAS, which of the following terms descrive a process  on how a liquid sample is converted into fi...

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Q: what compound has this given IR Spectra?

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Q: Structure A: Complete the resonance structure. Select Draw Rings More Erase // C H H.

A: Resonance structure :- is delocalization of  charge on atom.  

Q: In an experiment to determine the riboflavin by fluorescence spectrometry, a series of riboflavin st...

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Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N:] H2 in...

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Q: Identify the compound PBR3 as a strong, weak, or nonelectrolyte upon diss in water. Strong electroly...

A: Nonelectrolyte is a substance that doesn't ionise on dissolving in water.

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N:] [H.] ...

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Q: At a certain temperature the rate of this reaction is first order in CICH,CH,Cl with a rate constant...

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Q: Calculate the molecular weight of the solute in a solution containing 2.47 g of a non-volatile solut...

A: Depression in freezing point is directly proportional to the molality of the solution. The relation ...

Q: The decomposition of N,0, can be described by the equation 2 N,0,(soln) → 4 NO, (soln) + 0,(g) Consi...

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Q: A piece of dry ice (solid CO2) weighing 11.5 g is placed in a 0.500-L bottle filled with air at 0.96...

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Q: ang HO, functional isomers B positional isomers constitutional isomers D) non-isomeric

A: Which of the following is correct

Q: Give the structure of the following organic compounds: a. 3-Ethyl-5-isobutyldecane b. 2-Chloro-3-eth...

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Q: Calculate the activity of La+3 and IO3-,in a saturated solution of La(IO3)3 in a) water

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Q: QUESTION 9 The metal niobium crystallizes in a body-centered cubic lattice. If the density of niobiu...

A: For bcc lattice,  Contribution of atom of body centre = 1  Contribution of atom of corners = 1/8 Tot...

Q: 1.

A: Given : We have to tell which is trans and which one is cis.

Q: estion 6 he equilibrium constant for a particular reaction is 3.9 x 10-10 at 25°C. What is ne standa...

A: Standard Gibbs free energy is related to equilibrium constant

Q: Calculate [HgCI4^2-] in a solution prepared by adding 0.0200 mol of NaCI to 0.250 L of a 0.100-M HgC...

A: Answer: In any reaction limiting reagent is the reactant which gets exhausted first decide the yield...

Q: Part A Determine the activation barrier for the reaction. Express your answer in units of kilojoules...

A: Given data :  1. Rate constant K1 = 1.26 × 10-4 s-1  2. K2 = 0.226 s-1  3. Temperature T1 = 27oC    ...

Q: Balance the following equation with the smallest whole number coefficients. What is the coefficient ...

A: Reaction is :-  LiBF4 + H2O ------> H3BO3 + LiF + HF

Q: All of the following are classified as an instrumental method of analysis EXCEPT: O A. electroanalyt...

A: Answer: Different methods are used In chemical analysis and they can be classified into two categori...

Q: Describe the preparation of the following reagents. 3. 375 mL of 40 ppt CI from 0.01 M PBCI2

A: Salinity = 40 ppt

Q: Give the IUPAC name of the following compounds. CH-CH, CH, CH3 CH3CHCH,CH,CH;CHCHy H,C-CH,- -CH-CH, ...

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Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is...

A: Given, Percent transmittance value of solution A = 56 % Percent transmittance value of solution B = ...

Q: * 00 3. Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and...

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Q: How much heat in calories does it take to raise the temperature of 5 grams of water from 22 C to 38 ...

A: Specific heat capacity of water is 4.18

Q: what is the product?

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Q: Hydrogen gas has been suggested as a clean fuel because it produces only water vapor when it burns. ...

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Q: Question 31 All of the following are assumptions in Beer-Lambert's Law, EXCEPT: O A. Path length is ...

A: According to Beer Lambert law, absorption of a substance is directly proportional to path length  an...

Q: A copper (II) sulfate solution of unknown concentration is placed in a colorimeter and an absorbance...

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Q: You are asked to find the pH of each solution described below. A 0.50 M solution of HBrO3 A 0.030 ...

A: The compound completely dissociate to form H+, then is called strong acid .Where the compound comple...

Q: The pkb values for the dibasic base B are pkb1=2.10 and pkb2=7.58. Calculate the pH at each of the p...

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Q: 7. In your data book prepare the following table (Give a title to the table). With any measured valu...

A: In the quantitative analysis, the various techniques are used to determine the amount of analyte in ...

Q: 3. Molality How many grams of solute is present in 2.5 moles Magnesium hydroxide, Mg(OH)2 in 669 g w...

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Q: A certain liquid X has a normal freezing point of –3.20 °C and a freezing point depression constant ...

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Q: Singlet excited states 2 Triplet excited state -T, 3 4 Absorption Ground, state,S, Vibrational delax...

A: Solution is given below in next step

Q: In the deficiency referred to in question 40, a deficiency of the form of develops which makes the e...

A: Glutathione is used as antioxidant and helps in balancing of the free radicals in the cells and thus...

Q: A five-fold dilution was performed on a standard solution. The diluted solution will have a higher _...

A: We have to predict the correct option about diluted solution.  

Q: reactants. The following data were collected: Trial [A][A] (MM) [B][B] (MM) [C][C] (MM) Initial rat...

A: Given : We have to calculate rate constant for the following reaction.

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 107. kl during a ce...

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Q: An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500.-mL sa...

A: Answer: By the use of stoichiometry, we will calculate the number of moles of SO2 and then by the us...

Types of Polymers on the basis of Method of Preparation