D Question 9 Which of the following compounds are amphoteric? Select all that apply. OH₂C₂O4 H₂O H₂CO3 OH₂PO

Q: Write the molecular equation for the acid-base reaction shown in the image. Include phases. ●-H =Nat…

A: Please find your solution below : Molecular reaction is a symbolic representation of a chemical…

Q: 2. The following questions are designed to help acquaint you with identifying and drawing…

A: #(a):  Enantiomers are non superimposable mirror images that can be drawn by plotting an exact…

Q: 3. For each of the following molecules, label each stereogenic center as R or S. Label the molecules…

A: We have to determine R and S configuration and tell if the compound is chiral or meso compound

Q: 31P (¹H) NMR Predict the 31P(¹H) NMR spectrum for Ph,PBH, and explain your answer. (For ¹¹B, spin…

A: Here we are required to predict the 31P NMR spectrum

Q: a) the following compour d) CH3 CHCHCH₂CH3 OH Br CH₂CH₂CH3 -OH b) CH3C(CH3)2CH(OH)CH3 C) e) OH OH

A: we have to write the IUPAC names of the structures given

Q: provide number of NMR signals

A: Given : structure of molecules Tip : H NMR signals : types of hydrogen

Q: ,Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese…

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Q: Ammonia reacts with oxygen according to the equation 4 NH3(g) + 5O₂(g) → 4 NO(g) + 6 H₂O(g). If the…

A: The rate of the formation of the product or the rate of disappearance of the reactants is known as…

Q: The percent yield for the reaction PCl3 + Cl2 → PCl5 is 67.7 percent. What mass of PCl5 would be…

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Q: " The endpoint of an acid-base titration is defined as the point where. O A. The amount (moles) of…

A: End  point is defined as.

Q: A hot 105.0 g lump of an unknown substance initially at 152.2 °C is placed in 35.0 mL of water…

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Q: Q1. What is the density of 50.4 wt% aqueous NaOH (FM 40.00) if 16.5 mL of the solution diluted to…

A: Given, Wt % of aqueous solution of NaOH  = 50.4  wt %

Q: Evaporating sweat cools the body because evaporation is an endothermic process: H₂O(l) → H₂O(g) A…

A: we have to calculate mass of water that evaporated when body is cooled by 1.20 degree Celsius

Q: How many grams of solute are in 34.9 mL of a 1.50 M hydrochloric acid solution?

A: Molarity of solution is defined as number of moles of solute dissolved per litre of the solution. In…

Q: Calculate the molecular weight for Al2O3.

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Q: Suggest two chemical explanations ( not user error) why the recovery yield of phenacetin from…

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Q: Ans: Assign the absolute configuration of the chirality center as R or S. 2. Assign the absolute…

A: Given : structure of molecules

Q: Write balanced nuclear equations for the decay of: a) Pa-234 to U-234 b) U-234 to Th-230 c) Th-230…

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Q: P18.2 In this problem you will derive the commutator [Îx, Îy] = iħl₂. a. The angular momentum vector…

A: The angular momentum in quantum mechanics is given as the cross product of distance r and linear…

Q: m) ¹H NMR signals: ¹H NMR signals: ¹H NMR signals: p) ΝΗ ¹H NMR signals:

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Q: Complete the following equations:- a) (CH3)2CHOH + Na → b) CH3CH(OH)CH₂CH3 + K → c) CH₂OH + NaH

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Q: Show how you would prepare the following from cyclohexanol: a) b) c)

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Q: The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid…

A: Curve shows end point at pH 7. So strong acid and strong base.

Q: A 24.6 mL sample of 0.216 M ammonia, NH3, is titrated with 0.399 M hydrochloric acid. After adding…

A: Here we are required to find the pH of the solution.

Q: When a 27.7 mL sample of a 0.426 M aqueous hydrocyanic acid solution is titrated with a 0.500 M…

A: we need to calculate the pH of solution

Q: Calculate the pH and the equilibrium concentration of Se2- in a 6.77x10-2 M hydroselenic acid…

A: we need to calculate the pH and find [Se2-]

Q: Determine pCl and pAg if 20 mL of a 0.1 M AgNO3 solution is titrated with 6 mL of 0.2 M HCl.…

A: The reaction taking place is - AgNO3(aq)+ HCl (aq)→AgCl (s)+ HNO3 (Aq) The net reaction is-…

Q: How many grams of AgNO3 are in 45.0 mL of a 0.693 M solution?

A: Given  Volume of Solution = 45.0 mL  Molarity of solution = 0.693 M  Molar mass of AgNO3 = 169.87…

Q: What is the major organic product obtained from the following reaction? H a. butyrophenone,…

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Q: Which of these would have a double covalent bond? O C3H8 O C₂H4 O CH4 O C₂H₂ O C₂H6

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Q: light corresponding to the lowest energy pure vibrational and pure rotational transitions. In what…

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Q: OH )Dew the ectures of the organic products of the following actions HO acid catalyzed heat H

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

Q: MISSED THIS? Watch IWE: Measuring AErxn in a Bomb Calorimeter, Read Section 7.5. You can click on…

A: ∆E of reaction can be calculated based on how much heat is absorbed by water and calorimeter.

Q: 20 mL of 0.1M titrand titrated with 0.1M titrant. Data points at 1 mL increments. 14.0 12.0 10.0 Hd…

A: From the pH vs volume of titrant plot we can figure out whether titrant and titrand are acid or…

Q: Describe how you could differentiate the compounds below using thrichloroisocyanuric acid (TCICI)…

A: The given compounds can easily be distinguished by their rate of oxidation with trichloroisocyanuric…

Q: 2. Jom is testing out a chemical process for the extraction of iron metal from ferric oxide. They…

A: Answer: In the question two step process of extraction of iron from its ore is mentioned and we have…

Q: Experiment name: Kinetics of the [S208]2- (Peroxodisulfate(VI) ion) - I (lodine) reaction by the…

A: A traditional chemical clock demonstration experiment to show chemical kinetics in action is the…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: An ionic compound is formed by an anion and a cation. Let us make the compounds from the given ions.

Q: There are two naturally occurring isotopes of Copper (Cu). The table shows the two isotopes, their…

A: Given, Relative abundance of Copper.

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Q: Entropy of vaporization of water(at boiling temperature) is equal to 109 J mol^-1 K^-1. Is it…

A: Trouton’s rule: When a liquid vaporized its entropy will be increased. Trouton’s rule states that…

Q: When a 20.0 mL sample of a 0.483 M aqueous nitrous acid solution is titrated with a 0.430 M aqueous…

A: we need to calculate the pH of solution at titration midpoint

Q: For a 8.40×10-² M solution of H₂CO3, calculate both the pH and the CO3²- ion concentration. H₂CO3 +…

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Q: Calculate the pH and the equilibrium concentrations of HC6H606 and СHО6²- in a 0.1820 M ascorbic…

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Q: The following data was collected for the reaction:   A  +  B +  C = Products   Experiment…

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Q: Gaseous nitrogen and hydrogen undergo a reaction to form gaseous ammonia. From this reaction 0.907…

A: Given : mass of N2 = 2.71 grams            NH3 produced = 0.907 grams  Tip : percent yield = actual…

Q: ? MeOOC

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Q: A gas expands and does work on the surroundings equal to 0.50 BTU. At the same time, it absorbs 0.21…

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Q: To prepare a very dilute solution of K2Cr2O7 (294.18 g/mol), 0.661 g of K2Cr2O7 was transferred to a…

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Q: xH HM

A: The N atom has a lone pair which is a driving force for the reaction. The N atom will abstract the…

Environmental Pollution

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