Pb 2+ Pb 4+ Hg lead(II) ion lead(IV) ion mercury(II) ion Cobalt(II) ion Cobalt(III) ion Nickel(II) ion Nickel(II) ion Chromium(II) Chromium(III) Chromium(lv) plumbous ion plumbic ion mercuric ion 2+ 2+ cobaltous cobaltic 3+ Ni2* Ni3+ Cr2* Cr* Cr* nickelous nickelic 6+

Q: e. -2257 kJ 4. Calculate AGrxn at 298 Ku 3 Oz(g) → 2 03(g P(O2) = 0.41 atm, a. +341 kJ b. +17.8 kJ c...

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Q: please explain each then give answer

A: The solution will be basic if the salt dissolved has a conjugate base derived from a weak acid.

Q: The redox equation below is balanced. Mg + Fe3+ → Mg2+ + Fe  True or False?

A: No, this is not balance. So, the given statement is False.   

Q: Draw a possible forward synthesis to form the following compounds using MeOH, ETOH, NaCN and benzene...

A: To synthesize the following molecule , retrosynthetic approach is very essential . After retro synth...

Q: Determine the pH change when 0.116 mol KOH is added to 1.00 L of a buffer solution that is 0.439 M i...

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Q: change in the internal energy

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Q: - Draw the skeletal structure for 1-aminocyclohexene. – Name the following compound. CH3CH2CHBrĉOH

A: Skeletal structure of 1-aminocyclohexene

Q: Magnesium oxide can be made by heating magnesium metal in the presence of oxygen according to the fo...

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Q: What mass of zinc sulfide 19 5. The addition of concentrated hydrochloric acid to manganese (IV) oxi...

A: Given: Mass of HCl= 4.76×10-2g Mass of MnO2 = excess

Q: You were given a sample of virgin coconut oil and solutions of the following: A- Ethanol B- NaOH C- ...

A: Solution - According to the question - Given - Ethanol , chloroform ,octane  set of solutions will b...

Q: A solution of sulfuric acid (H2SO4) has a concentration of 0.0075 M. Calculate the pH of this soluti...

A: Given, Concentration of H2SO4 solution = [H2SO4] =  0.0075 M pH of the solution = ? Note:  Sulfuric ...

Q: ) The percentual weight (w/w) of Carbon in Ca(HCO3)2. ) The amount of substance of 120g of Calcium C...

A: a) The percentual weight (w/w) of Carbon in Ca(HCO3)2. b) The amount of substance of 120g of Calcium...

Q: Analysis of Common Anions and Their Salts 1. Why do the preliminary tests not help in the identifica...

A: A Nitrate Test is a substance test used to decide the presence of nitrate particle in arrangement. T...

Q: Kiko wants to determine the concentration of an unknown solution which produces a green solution. Ho...

A: A question based on analytical process that is to be accomplished.

Q: 60°C, water has an autoionization constant (Kw) of 9.247 X 10-14. Determine the pOH of pure water at...

A: Given- Kw=9.247×10^-14 Temperature=60°C pOH=?

Q: 13, Silver chloride is a sparingly soluble salt with a solubility product constant, Ksp 1.8x10-10. a...

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Q: how molecular spectroscopy work?

A: Answer - According to the question - Given - molecular spectroscopy - Molecular spectroscopy is the...

Q: Explain why the [Fe(CN)6]3- ion has one unpaired electron, while the [Fe(NCS)6]3- ion has five unpai...

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Q: 9.54 The phase change between graphite and diamond is dif- ficult to observe directly. Both substanc...

A: Given- C(graphite)+O2->CO2.          ∆H°=-393.51kJ  C(dimond)+O2->CO2.             ∆H°=-395.94...

Q: 2. Citric acid has the molecular formula H3CH507, which implies that citric acid has how many acidic...

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Q: A water sample was tested for BOD5, which was determined to be 50 mg/L. Which of the following descr...

A: BOD stands for Biochemical Oxygen Demand.  This is a biological method, used for measurements of tot...

Q: Consider the reaction below that has a Keg of 3.54 - 10°. 3.8 mol of A and 5.0 mol of B are added to...

A: Given , Keq =3.54*10-3  Number of moles A = 3.8 and B= 5 Volume of container is 2 L  We have to calc...

Q: 6. 3.60 mol of ammonia is placed in a 2.00L vessel and allowed to decompose into its composing eleme...

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Q: 2. Here are representations of a reaction: A +B> products Unshaded spheres represent A molecules. Sh...

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Q: Barbituric acid, HC4H3N2O3, is a weak acid that is used to prepare various barbiturate drugs (used a...

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Q: Me Me Me Me Me Me A

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Q: Water gas, a mixture of H2 and CO, is an important industrial fuel produced by the reaction of steam...

A: As per Le chateliers principle, when a system under equilibrium is subjected to any kind of stress l...

Q: The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous s...

A: The sum of the exponent term in the rate law for a chemical reaction is known as the order of the re...

Q: Explain how TLC and column chromatography can be used together to ensure the perfect separation of t...

A: Chromatography is a technique for the separation of a compound from the mixture. The column chromato...

Q: Draw the structures of 5 structural and geometric isomers of dienes with formula C5H8.

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Q: 9.53 Using these reactions, find the standard enthalpy change for the formation of 1 mol of PbO(s) f...

A: From the given two reactions, firstly we have to find out the reaction of synthesis of PbO. From tha...

Q: For an aqueous solution formed by mixing 2.50mL of concentrated HNO3 (15.6M) with 305mL of 0.500M NH...

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Q: - Calculate the acid dissociation constant for a solution of a 0.20M HF if the pH is 4.32.

A: given :- pH of HF solution = 4.32               concentration of HF = 0.20 M  To calculate :-  value...

Q: 3-(a) Write out the full electron configuration of Calcium (Ca). (b) How many electrons are in the n...

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Q: A chemist placed a 1.195 g sample of fuel in a bomb calorimeter which was immersed into 2.00 L of wa...

A: The mass of the fuel sample is = 1.195 g The increase in the temperature of the water is = 20.1oC to...

Q: Following AAS analysis, a graph of absorbance versus ppm nickel standard gave a best-fit line y = 0....

A: AAS is a spectroscopic technique by which a quantitative estimation of atoms can be determined. In a...

Q: A 50.00 mi. sample of a sodium hydroxide solution is titrated with a 1.605 M solution of sulfuric ac...

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Q: Which of the following ionic formulas is incorrect (I.e not charge-balanced as wirtten)  A. Sr2NO3 ...

A: Given, The ionic formulas which is incorrect is: A. Sr2NO3 B. Li2CO3 C.(NH4)3PO4 D. Ba(ClO3)2

Q: the pOH

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Q: Calculate the concentration of H3O+ if the pH of a solution is 2.19. Answer to two significant figur...

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Q: If a universal indicator was added to H2O (l) + CO2 (g) → H2CO3 (aq) what color would the solution b...

A: When we add carbon dioxide gas to liquid water, then solution become acidic. Solution become acid me...

Q: B. Calculate the pH after 17.50 mL of NaOH is added to 35.00 mL of acetic acid using the concentrati...

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Q: .32 The material typically used to heat metal radiators is water. If a boiler generates water at 79....

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Q: In a mass spectrometer with an electron ionization source (EI) does the mass of an ion affect its ve...

A: Electron ionization (EI) is known as electron bombardment ionization in which energetic electrons in...

Q: What is Av, for each reaction? A(g) + B(g) --> C(s) +1 A(g) --> B(g) -2 A(g) + B(s) --> 2C(g) +2 2A(...

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Q: Which best describes a neutral atom? Group of answer choices no protons and electrons more electrons...

A: Neutral atom Neutral Atom can be define as an atom having net electrical charge equal to zero. An at...

Q: Question/Problem: What is the % composition of potassium chlorate (KCIO,) in a mixture of potassium ...

A: The percent composition can be calculated as shown below. Percent composition=Mmass of simpler eleme...

Q: 9. Why do we need to test the washings with AGNO3? 10. What is done in an ignition process?

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Q: Applying Le Châtelier's Principle 12 of 22 N Review | Constants | Periodic Table Consider the follo...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: The following model represents the carbocation intermediate formed in the addition reaction of HBr t...

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