Ph a b доби 24 Ph Ph 25 27 CI ОН НО CI 26 28

Q: H3C- Br -CH3 CH3 H3C- CI CH₂ -LL CH3 CH3 CH3 -CH3 CH3

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Q: The half-life of a decaying radioactive isotope is the time it takes for half of the original mass…

A: Here we are required to find the half life of the radio isotope

Q: Find the normality of sodium carbonate (molar mass = 106 g/mol) in a solution containing 0.212 g…

A: Given volume is 100 ml and mass of sodium carbonate is 0.212 g

Q: N 1. PhMgBr 2. H

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Q: [H] 1.0×10-3 3.6×10-5 pH 6.21 POH 4.84 [OH] 5.1×10-3

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Q: Global warming refers to unusual increased of the Earth's temperature due to reenhouse gases…

A: Global warming is the long-term heating of Earth's climate system.

Q: What are the two types of membrane usually employed for western blotting?

A: The two types of Membrane employed for western blotting are:- (1) nitrocellulose  (2) PVDF…

Q: The IUPAC name for CH 3-CH2-C = C- CH 3 is. 1-methylbutyne pentyne O 2-propene O 2-pentyne O…

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: At a certain temperature, the solubility of strontium arsenate, Sr. (AsO4)2, is 0.0620 g/L. What is…

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Q: Between ethanol CH3CH2OH and Water H2O, which molecule would you expect to have a lower vapor…

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Q: What is the concentration of H+ in a solution with a pH of 4.73?

A: Given, pH of the solution = 4.73 Concentration of H+ ion in the solution = [H+] = ? Note: pH : it…

Q: Hex-1-ene gas, C6H12, burns in oxygen to produce carbon dioxide and water vapour. a. Write an…

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Q: 11 A mirror has a focal length of f = -50.0cm. An object is placed 80.0cm from the mirror. a. Is the…

A: The solution of the given question is

Q: A solution of HCl was titrated against sodium carbonate. What is the average normality of acid in…

A: The balanced chemical equation for the reaction of HCl(aq) and Na2CO3(aq) is: 2HCl(aq) + Na2CO3(aq)…

Q: Calculate the expectation value of r for an electron in the ground state of hydrogen atom (Z-1). 2.0…

A: This question related to the quantum mechanics first to write the wave function of an electron in…

Q: What is solubility? and Explain this rule “like dissolves like”.

A: Solubility is physical property.it is defined as maximum number of substance (called as solute)…

Q: Provide the following: A) Given B) Formula C) Calculations and D) Answer.| Calculate the normality…

A: The given problem is related to the standardization of iodine solution using arsenic trioxide. The…

Q: How many grams of pure Na2CO3 must be weighed and dissolved in a solution if you are to prepare a…

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Q: How many millimeters of concentrated HCl are needed to prepare 500mL of 0.25N HCl? 10.4 mL 11.4 mL…

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Q: Which of the following is NOT a guideline in writing a good recommendation for a research paper?…

A: A research paper is written by a researcher in which he explain what he had learned after exploring…

Q: Radioactive emissions known as alpha, beta, and gamma are referred to as "ionizing radiation." This…

A: 1 ) We need to tell the correct statement for the term ionizing radiation

Q: What is the IUPAC name of this compound? CH 3 CH 2 CH 2 CH 2 CH 2 CH 2 CH 3 heptane butane octane…

A: -> For IUPAC naming following steps are required First of all identify the longest carbon chain…

Q: Too much antibody is not recommended, why?

A: Taking too much antibiotics may change bacteria so much that antibiotics don't work againts them…

Q: A solution of HCl was titrated against sodium carbonate. What is the normality of acid for Trial 3…

A: Given :  Mass of Na2CO3 sample = 0.3042 gm  Volume of HCl used = 39.40 ml

Q: Reactions of test samples with Benedict's reagent: Cyclohexanone Acetone Benzaldehyde Glucose…

A: The correct answer is given below

Q: (a) For the reaction of 1-methoxy-4-methylbenzene with CH3C(O)CI in the presence of AICI3, describe…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: For each organic compound in the table below, name the highlighted side chain. Note for advanced…

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Q: AS is negative for the reaction O CH3OH (1)→ CH3OH (g) O C6H12O6 (s)→ 6C (s) + 6H2 (g) + 302 (9) O…

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Q: If we mix 17.1mL of 0.100M Lil, 20.7mL of 0.100M Cal2 and 27.3mL of 0.100M Li2SO4, what will be the…

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Q: Incubation with primary antibody should be accompanied with agitation, why?

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Q: We expect 2-methyl-2-hexanol to produce a turbid; yellow clear; green clear; yellow turbid; green…

A: Note- Dear student since the given question is a multiple question hence I solved first question…

Q: The system had 30 cal exothermic reaction and 0.5 cal compression. The system had 20 cal endothermic…

A: I have solved all the sub parts .

Q: NaOH 1, Me₂CuLi 2. H+

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Q: Present 5 chemical reactions involved in biological and industrial processes affecting life and the…

A: Answer - Present 5 chemical reactions involved in biological and industrial processes affecting life…

Q: h e   m  a s s   o f   C a   i n   a   w a t e r   s a m p l e  c o n t a i n i n g   C aS O 4   t h…

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Q: 2 A student determined the concentration of a weak acid, acetic acid, by a titrimetric method using…

A: A question based tools in analytical chemistry that is to be accomplished.

Q: The following are the Lewis structures of covalent compounds except * O || Na+ HO P-0 HO Option 1…

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Q: N H2NNH2 C N NH3 CEN CI C ΝΗ NH₂OH CH3 Q N CH3

A: Given,  Rank each of the following sets of nitrogen bases in terms of basicity and explain your…

Q: Rank the following solutions according to increasing pH: Note: In the mixing of solutions, assume…

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Q: Which of the following statements is TRUE? Select one: O a. FT cannot act as a Bronsted-Lowry base,…

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Q: Which of the following conditions will result to MnO4² as product for the reaction between MnO4 and…

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Q: Calculate the mass of pure sample (NH4)2SO4 when it is dissolved in water and treated with excess…

A: Given :  Volume of HCl = 50.0 ml  Normality of HCl = 0.2750 N  Volume of KOH = 15.0 ml  Normality of…

Q: Given that the molar entropy change (AS) of water at 273 K is 22.0JK¹ mol¹. What is the heat of…

A: Which one of the following is correct

Q: A person doing the colligative properties experiment tried using 3.00 m of the NaCl solution instead…

A: Given statement is :  A person doing the colligative properties experiment tried using 3.00 m of the…

Q: OH Br₂ dil. HNO3 acetic anhydride KOH HCI/Fe n-BuBr acetic anhydride

A: We have to complete the following reaction pathways with phenol.

Q: Give the name of the given organic compounds below H₂C Br H₂C CH3

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: A galvanic cell is powered by the following redox reaction: 2 Cl₂(g) + N₂H₂(aq) + 4 OH (aq) 4 Cl(aq)…

A: Given reaction is :  2Cl2 (g) + N2H4 (g) + 4OH- (aq) ------> 4Cl- (aq) + N2 (g) + 4H2O (l)  a).…

Q: HHO H H-C-C-C-0-C-E HHHO III! H-C-C-C-C-0-H III JI Н Н A X Y The compounds above have the same…

A: Nature of functional group in both compounds decide the properties.

Q: 1. Answer BOTH parts a) and b). a) i) Explain the difference between spin-lattice relaxation (T₁)…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: If a buffer solution is 0.160 M in a weak acid (K₁ = 1.9 × 10-5) and 0.450 M in its conjugate base,…

A: Given,  Concentration of weak acid = 0.160 M  Ka = 1.9 x 10-5  Concentration of Conjugate base =…