What is the pH of 1.0 M solution of H3AsO4? What is the arsenate ion concentration? Ka1=5.5x10-3, Ka2= 1.7x10-7, Ka3=5.1x10-12.

Q: The free energy change for the following reaction at 25 °C, when [Pb2+] 6.68x10-3 M, is -368 k): =…

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Q: Which Lewis structures represent a molecule that would assume a linear geometry? X Y-X X Y–X X-

A: For linear geometry, Bonded atom = 2 Lone pair = 0

Q: For the gas phase decomposition of ethyl acetate, CH;COOC,H,–→CH;COOH + C,H4 the rate constant has…

A: Minimum energy needed for reactant molecules to excite and perform reaction is known as activation…

Q: What do you call the heat content of the sample of matter? Select one: a. Calorie b. Entropy c.…

A: A sample of matter consist of molecules or atoms interacting with each other.  These atoms or…

Q: Consider the following compound. H, CI (a) How many peaks will the 'H NMR signals of H, and H, be…

A: Please find the below attachments.

Q: The rate equation for the reaction A→B + C is expressed in the forms of Rate of disappearance of A =…

A: Given :-  A→B + C. The value of the rate constant (K) = 0.100 [A]= 0.050 mol/L reaction is second…

Q: Aluminum oxide is produced from iron oxide using a thermite reaction. 2 Al(s) + Fe,O3(s) --> 2Fe (s)…

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Q: Solve for the amount of Ag that can be deposited when 800. C of electricity is passed through a…

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Q: The decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C H,0,(aq) H,0(1) + ½ 02(g)…

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Q: A 1.010 g sample of refined table sugar sucrose (C12H22O11) was placed in an oxygen bomb calorimeter…

A: Given the mass of table sugar burned inside the calorimeter = 1.010 g Initial temperature of…

Q: If 50.0 mL of Thiosulfate solution are required to titrate the l2 liberated from an excess of KI by…

A: Given: Volume of S2O32- solution = 50.0 mL. Mass of KIO3 reacted = 0.300 g.

Q: 32   Use the average bond energies to calculate the ∆H of the reaction:  4H--Cl + O2 → 2H—O—H + 2…

A: ∆H = ∆H(bond broken) - ∆H(bond formed) By using this formula we can calculate the ∆H for the…

Q: 7. The decomposition of N2O5(g) to NO2(g) and O2(g) obeys first-order kinetics. Assuming the form of…

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Q: Lithium, is used in dry cells and storage batteries and in high temperatures lubricants, it has two…

A: Given- M1=6.01521 M2=7.016003 A1 (%)=7.50 A2(%)=92.50

Q: A water sample is believed to have Ca^2+ and Mg^2+ ions. A student is selected to try precipitate…

A: Note that the mentioned cations are precipitated using NaOH and not NaH solution. So, correction:…

Q: The molar solubility of  iron(II) hydroxide  in a  0.294  M  iron(II) nitrate  solution is M.

A: FOR THIS WE NEED THE SOLUBILITY PRODUCT OF IRON(2) HYDROXIDE,WHICH IS 8*10(-16).

Q: Draw 1,2-dichloro-3-ethylbenzene Draw 2,4-dichloro-1-ethylbenzene Select Draw Rings More Erase…

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Q: 10) The following results were obtained in an analysis of iron content in an ore sample. The results…

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Q: One or more of the monomers below are needed to make the polymer -CH2- -CH2 -ÇH- -CH2 Choose which…

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Q: separating Ba2+ solution. and Zn2+ ions in aqueous For each reagent listed below indicate if it can…

A: Here we have to predict in which case we can separate Ba+2 and Zn+2 by using the given reagents…

Q: This Way: Use the formula of Charles' Law to solve the puzzle. e of the missing value requires you…

A: Charles' law states that the volume of a gas equals a constant value multiplied by its temperature…

Q: HNO3 HCI H3CO -C(CH3)3 ? H2SO4 Fe or Sn HS A) H2N- -C(CH3)3 B) H3CO- -C(CH3)3 C) H2N D) H2N H3CO-…

A: Note : Methoxy is electron donating group. Therefore incoming NO2+ electrophile approaches the ortho…

Q: A sample of cesium-137 has an activity of 8.00 mCi.  How many micrograms of Cs-137 are present in…

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Q: Reflection Almost everyday in human activity involves combustion of fuels which is one of the many…

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Q: Select the X group below that would produce a weaker acid than the acid generated when X=H in the…

A: We need to determine X such that a weak acid is formed.

Q: What is the ground state electron configuration for O,? What is the bond order for O,? bond order:

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Q: 3. Traces of heavy metals, such as Cu²* and Pb²*, in water bodies can be separated through…

A: To calculate the initial molar concentration of heavy metal ions present in the sample.

Q: Construct the molecular orbital diagram for N,. Identify the bond order. Answer Bank 1 11 2p 2p 0.5…

A: Constructing molecular orbital diagram for N2 molecule:

Q: The following information is given for copper at 1atm: AHvap(2567 °C) = 305 %3D boiling point 2567…

A: Boiling point of copper= 2567 °C                  ∆HVap = 305 KJ/molMelting point of copper = 1083…

Q: Analyze this reaction mechanism and identify all species that act as nucleophiles in this process: B…

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Q: The following have to do with rotational partition functions. a) What are the symmetry numbers o for…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 1. Answer the following questions : A. For a 0.01 molal aqueous solution of aluminum chloride,…

A: here we are required to find the ionic strength of aluminum chloride and also find the vant Hoff…

Q: 2. Rank the following species in order of INCREASING nucleophilicity (1= least nucleophilic a. C "CN…

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Q: °C AT =

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Q: The complete reaction of an alkyl halide towards alcoholic silver nitrate solution results to a…

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Q: The reaction C2H5Cl →C2H4  + HCl is first order in C2H5Cl. The rate constant is 1.60 x 10-6/s. In an…

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Q: Name the alkyne. Spelling and punctuation count. H3C-CH2-CH2-CH- -CH3 ČH3 name:

A: IUPAC. Give the priority to the FG. Give the numbering from right to left. Then name the organic…

Q: If the molecule or polyatomic ion is polar, write the chemical symbol of the atom closest to the…

A: Polarity of various molecules

Q: 4. The following have to do with rotational partition functions. a) What are the symmetry numbers o…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: If 7.3 grams of sodium carbonate are used in the reaction and the result a 74.0% yield,  what is the…

A: The balanced reaction taking place is given as, => Sn3(PO4)4 + 6 Na2CO3 → 3 Sn(CO3)2 + 4 Na3PO4…

Q: Ethylenediamine is a highly corrosive liquid that also forms coordination complexes with many metals…

A: en is ethylene diamine.

Q: All-cis cyclodecapentaene is a stable molecule that shows a single absorption in its 'H NMR spectrum…

A: Cyclodecapentaene is an organic compound and a conjugated 10 pi-electron cyclic system.

Q: The reaction C2H5Cl →C2H4  + HCl is first order in C2H5Cl. The rate constant is 1.60 x 10-6/s. In an…

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Q: A student needs to dilute a 0.47 M Pb(NO3)2  solution to make 77.0 mL of 0.22 M Pb(NO3)2. Set up the…

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Q: Proposed mechanism for a reaction is O3 + NO2 ------------> NO3 + O2 slow NO3 + NO2…

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Q: C. Basic Properties Draw the following structures on MolView. Obtain the charge and bond dipoles of…

A: The answer is as follows:

Q: Phosphorous reacts with bromine to form phosphorous tribromide. If 35.0 grams of bromine are reacted…

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

Q: In a study of the decomposition of nitramide in aqueous solution at 25 °C NH,NO,(aq)-N,0(g) + H,0(I)…

A: Here given ln[NH2NO2] vs time plot. The slope is -6.58×10-5 S-1 and y intercept is -1.20

Q: Q1) Which of the following statements regarding collision and transition state theories   b)…

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

Environmental Pollution

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