OH НО III Ill Ill Ill I I

Q: 24 of 34 How many grams of HBr are dissolved in 3.50 L of a 0.500 M solution? B 141 g A 80.9 g D 142…

A: Given that: Molarity of HBr = 0.500M = 0.500mol/L Volume = 3.50L  Molar mass of HBr = 81 g/mol

Q: Which of the following statements about the BOD test is FALSE? The standard test for BOD is…

A: BOD test

Q: How many grams of lithium chloride must be taken for preparation of a 100 g of 2.5 % solution? a.…

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Q: НО OH H+

A: Carboxylic acid reacts with alcohol in the presence of acid or base catalyst to form an ester. The…

Q: 2. The rate constant for a first order reaction, SO₂Cl₂ → SO₂ + Cl₂ at 600 K is 2.2 x 10-5 s-¹. What…

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Q: Once upon a time, Tricia and her sister Jillian are doing titration to assess the molarity of the…

A: First method pH strip : 1 mL of the sample has a pH of 3.3 , 1 mL of the same sample was diluted…

Q: A student doing the colligative properties experiment was curious to try using 3.00 m of the NaCl…

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Q: What is the formula of the coordination compound containing anion [Fe(OH)6]4- and cation K+ ? a.…

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Q: (i) Calculate the frequency of visible light having a wavelength of 325 nm. (c-3 x 10 m/s)

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Q: 4- The relation between heat (q), heat capacity (c),specific heat (c) and AT is as follow O O c- q…

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Q: Consider the coordination compound [Ni(C₂O4)2(H₂O)2] Cl2 and identify ligands a. C₂04-2, CI- -2 O b.…

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Q: What is the significance of the Amax of a spectrum? What are the other uses of the…

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Q: Battery acid Toothpaste Agua oxygenada Antacid Softdrinks (Coke) Laughing gas

A: The given common name are general calling name of these chemicals which are having following…

Q: Which of the following statements is correct? a. The geometry of R₁(CO)R₂ is trigonal planar. O b.…

A: Since there are two question so I am solving one question if you want to solve another question…

Q: Solve for the dissolved oxygen content of the water sample in Day 1 if the Na2S2O3 titrant (0.1152…

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Q: Which alkyl halide CANNOT be used effectively in a Gabriel synthesis of amines? Select one: a.…

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

Q: Suppose the compound is synthesized via EAS reaction of diazonium salt and coupling agent. Determine…

A: In this question, first we will identity the structure of both Diazonium salt and coupling agent…

Q: Illustrate Bhor's Model of the atom

A: The Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the…

Q: 1. Draw the bicyclic Diels-Alder adduct for the following compound in the presence of a catalyst.…

A: The given reaction is an example of intramolecular Diels alder reaction.

Q: Enter your answer in the box provided. A 0.0600 M solution of a monoprotic acid is 17.5 percent…

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Q: In the experiment, we used titration to determine the total acid content of samples, which we…

A: The first method used is pH strip method and the 2nd method used is the titration method.  The…

Q: Illustrate Thompson's Model of the atom

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Q: 4. Derive a modified Michaelis-Menten equation for the following enzymatic reaction E+SES E+PEP…

A: The Michaelis–Menten equation  is the rate equation for a one-substrate enzyme-catalyzed reaction.…

Q: Rank the following compounds in terms of decreasing theoretical retention factors if a reverse-phase…

A: Retention factor is the ratio of distance travelled by the sample to that of distance travelled by…

Q: a) State the electronic configuration in terms of the wave-mechanical model for: i. Titanium (II)…

A: Here we have to write the elctron configuration ofTi2+ according to wave mechanical model of atom.

Q: 4. When nitrogen gas and chlorine gas react to form nitrogen trichloridge gas, an equilibrium is…

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Q: uration to all the chirality centres in compound A. S R. IZ I A: R. O a. 2 (R), 5 (R), 6 (S), 7 (S)…

A: Chiral centres are the centre that have four different groups and the carbon is sp3 hybridised.

Q: draw the Part I: Using Electronic Configuration, Atomic Structure in Planetary Model (Neil Bohr's…

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Q: 1. Heat and work are called state functions. 2. Heat is manifested by an effect in the…

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Q: What is the pOH of a 0.0257 M Hl solution?

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Q: See the attraction between atoms to strong A. How would you describe the spacing between the atoms?…

A: The answer is attached below-

Q: C12H17O2N ----> CH3I gives ( in structural formula ) ?

A: given C12H17O2N ----> CH3I gives find ( in structural formula )

Q: Consider an electrochemical cell with the following cell notation: Fe(s) Fe²+ (aq) (from saturated…

A: Recall the given cell notation,                      Fe s | Fe2+ aq from saturated FeCO3 || Fe2+…

Q: In Experiment 5, Qualitative Test for Anions, the white solid was dissolved when CH3COOH (aq) was…

A: The quantitative analysis of anion can be understood as-

Q: 5. In Experiment 4, we used titration to determine the total acid content of samples, which we…

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Q: aromatic benzene ring but failed to produce a fragrant yellow solution upon subjecting it to the…

A: Now when benzene undergo nitration ( NO2+) is an electrophile which gets attached to the benzene…

Q: 1.) What mass of NiCl2 must be dissolved in 75 mL of water to make a 2.5% solution? Density of water…

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Q: a. Calculate the retention factor for each spot from lanes A to E . b. Which ink standard was the…

A: Paper Chromatography is a technique where paper is used as the stationary phase through which the…

Q: What comes to mind when you hear pharmacology? And why?

A: Pharmacology is basically when we talk about certain chemicals or chemically active agents or…

Q: The cyanide ion is extremely toxic because it interferes with the functioning of cytochrome oxidase…

A: Correct option is B.

Q: Suggest a biosynthetic pathway for A.

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Q: Which of the following solvent pairs cannot form a miscible solution? a. and and H3COH and and d. H…

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Q: The technique of the sorption purification of living body, in which adsorption of toxic substance…

A: Answer is option (c) enterosorption.

Q: What is the pH of a 0.162 M monoprotic acid whose K is 4.986 × 10-3? pH

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Q: A student doing the colligative properties experiment was curious to try using 3.00 m of the NaCl…

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.