major

Q: DIRECTION: Calculate the theoretical and percent yield in the following problem. Problem 1: When ben...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Which of the following reactions would you expect to have a negative AS? ... + SH SH он ... но Br Br...

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Q: Draw the structure of the major organic product of the following reaction. =CH2 1. Hg(OAc)2, H2O 2. ...

A: When Hg(OAc)2, H2O is treated with alken then 3 membered ring is formed as intermediate and then by ...

Q: 2. What reaction could produce the following molecules? Br DH но OH

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Q: Draw structural formulas for organic products A and B in the window below. CH3 Li A pentane CH3CO,H,...

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Q: Tungsten (W) is element 74 on the periodic table. A sample contains 2.27x10-0 atoms of W. Calculate ...

A: Given : number of atoms of W = 2.27 × 1026 atoms  To calculate : number of moles of W

Q: What is flame photometry The general principles of flame photometry Limitation of techniques for fl...

A:   What is flame photometry The general principles of flame photometry  Limitation of techniques for...

Q: the IUPAC name

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Q: 3. What color would I expect a solution of chromate ions to be after I add an excess of acid? Briefl...

A: The ion which can change its color when the medium is changed from acidic to basic or vice versa, th...

Q: following

A: According to the question,  Wavelength = 665 nm Molar extinction coefficient  = 5200 M-1 cm-1  

Q: Write the acidic equilibrium equation for HBRO

A: Write acidic equation of HBrO ?

Q: A gas mixture contains 0.1044 mol of N2 and 0.0740 mol of HI. What is the partial pressure of N2, if...

A: It is an example of Dalton Law

Q: Draw the skeletal structure of: 5-bromo-3-methoxyheptane

A: The structure of the compound can be written by the IUPAC name. First of all, we draw the main carbo...

Q: a structural formula for the major organic product of the following reaction: CH3 CHCH2CH3 CH2CI2 + ...

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Q: B. Illustration. For each number, draw the structure of the IUPAC named compound to its given space ...

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Q: In each case below select the synthetic procedure that could be used to carry out the transformation...

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Q: CH3 CH3 Br Br2 CH,Cl2 .CH3 LCH3 H3C“ H3C° Br Electrophilic addition of bromine, Br2, to alkenes yiel...

A: Note: Alkene addition to bromine electrophile give cyclicbromonium ion. (see the arrows below).

Q: Draw the skeletal structure of: 2-octenedial

A: In this question, we will draw the skeletal structure of 2-octenedial.  You can see how to draw it. ...

Q: A calorimeter initially contains 165.0 mL of water at 21.3oC. When 2.72 g K is added to the water, t...

A: Working formula Q = m×s×∆T m = mass of water; s = specific heat of water; ∆T = temperature change of...

Q: When a 7.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of...

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Q: A 1.10 g sample of an unknown compound reduces the freezing point of 75.22 g benzene from 5.53 to 4....

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Q: Write a summary for pre paration of p.litrueniline experiment pertaining to'three step syn'thesis, a...

A: Practical organic chemistry:

Q: What is the molarity of a solution that contains 4.58 g of sodium bromide and has a volume of 1.85 L...

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Q: NUCLEAR EQUATIONS WORKSHEET 231 1. Write a nuclear equation for the alpha decay of Pa. 223 2. Write ...

A: Soddy Fajan's rule:  When one alpha particle decay from an radioactive element then the mass number ...

Q: Does the ideal gas law have any variables that are dependent on the identity of the gas? Explain 2....

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Q: Represent the structures corresponding to the following names: d) trans-3,3-dimethyl-4-propyl-1,5-o...

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Q: Determine mass percent of a solution of sucrose (C12H01) prepared by dissolving 3.245 g of C12H,O in...

A: mass percent is way to express concentration of solute in a solution

Q: Use the buffer equation to calculate the pH of buffer solutions prepared by dissolving the following...

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Q: A carbonyl compound has a molecular ion with a m/z of 86. The mass spectra of this compound also has...

A: Molecular ion peak with m/z 86 A base peak have maximum intensity in spectrum.  It is identified by ...

Q: For a radioisotope where k=2.5x10-4yr-1, how old is a sample when only 10% remains? a 4,000 years b...

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Q: Draw a structural formula for the alkene you would use to prepare the alcohol shown by hydroboration...

A: In hydroboration oxidation, an alkene first undergoes hydroboration in presence of BH3 and then oxid...

Q: How does a polymeric carbon dot become biocompatible?

A: Answer -  Polymeric carbon dot  - Polymer carbon dots (PCDs) as one type of fluorescent carbon dots ...

Q: Draw the structure(s) of the major organic product(s) of the following reaction. 1. KMno, / N2OH 2. ...

A: Aldehydes on oxidation with KMnO4 gives carboxylic acids. Given molecule is aromatic aldehyde.

Q: A box contains a helium gas with 15 helium atoms. Initially, 12 helium atoms are in the right compar...

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Q: Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the fol...

A: The enthalpy change for the overall equation is - 109.5 KJ.

Q: 2. 5.88 g of hydrated calcium chloride CaCl,•xH,O is treated with excess K2SO4 in a double replaceme...

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Q: Assign oxidation numbers to the elements in the following: A) NaOBr Na: O: Br: B) NaBrO2 Na: Br: O: ...

A: Alkali metal have always +1 oxidation state.. oxygen can change its oxidation state when it attached...

Q: When 34.5 mL of 0.545 M H2SO4 is added to 34.5 mL of 1.09 M KOH in a coffee-cup calorimeter at 23.50...

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Q: A student was tasked to neutralize 27.3 mL solution of 0.287 M H2SO4 (98.079 g/mol) using 0.464 M Ba...

A: Consider the given information is as follows; Volume of H2SO4 = 27.3 mL = 0.0273 L     Molarity of H...

Q: Consider the E1 reaction of 3-bromo-2-cyclohexyl-butane.  How many elimination products are possible...

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Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate ...

A: Given that : The internal pressure of the gas = 24.0 atm The initial volume of the container = 1.00 ...

Q: Draw the major organic product of the reaction shown below. HO- NaNH2 +

A: Given reaction is reaction between cyclopentanol and sodium amide.

Q: Which of the following compounds is the least stable? SiH4 CH4 PbH4 (Correct answer) SnH4 GeH4

A: To solve this problem we have to know about the stability factor of Hydrides of group 14 elements .

Q: A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor A molecule o...

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Q: A substance has the molecular formula Cs H12O6. What is its empirical formula? (Enter the elements i...

A: Molecular formula is the chemical formula that gives the actual number of atoms present in the molec...

Q: Write a summary for preparation of p.Nitroaniline piNitroanili experiment pertaining to'three step s...

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Q: What is the enthalpy change when 21.0 g of water is cooled from 34.0°C to 7.40°C?

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Q: Calculate AH for each of the following using data from Appendix B. rxn (a) 2 H2S(g) + 3 02(g) → 2 SO...

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Q: MCPBA MeMgBr (excess), H* Swern a) b) c) oxidation

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Q: In each case below select the synthetic procedure that could be used to carry out the transformation...

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