Question 5: Which manganese species are unstable with respect to disproportionation in aqueous solution under acidic and basic conditions? 23N Mno - Mno Mno, MnO Mn pH 14 .OMV Mno Mno Mn

Q: The hydronium ion concentration in a solution of an unknown weak acid is 5.77 x 1011. What is the pK...

A: Pka value is depends upon concentration of H+ ions in the solution. 

Q: Consider the following exothermic reaction: C,H, (g) + C, (9) = C,H,Cl, (g) Part A If you were a che...

A: The chemical reaction :  C2H4(g) + Cl2(g) ----> C2H4Cl2(g)  Consider the exothermic reaction. To ...

Q: Which one can be used As a reference for proton NMR?  1. Acetone 2. Acetone-d6

A: Which one can be used As a reference for proton NMR? 

Q: Write a rate law for the reaction, including the value of k. 0.11M/s=K[0.8] to the zero order.

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Q: Cha The Time u hat

A: details

Q: How many moles of water (H2O) are produced if  100.0 grams of oxygen (O2 )are used?

A: Given :- mass of O2 used = 100.0 g  To calculate :- number of moles of H2O produced

Q: Draw the structure of a compound with the molecular formula CşH;0Oz that produces the following 'H N...

A: Number of signals in 1H NMR  ----> Number of sets of protons in different electronic environment ...

Q: Select the compound that shows an IR absorption near but just above 3000 cm".

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Q: what is their meaning as it applies to the acidity of a wine? Ringing, Firm or hard, Flabby, Crisp, ...

A: The meaning of Ringing,firm or hard,flabby ,crisp and soft applied to the acidity of the wine is giv...

Q: What is matter

A: Define the matter ? 

Q: Explain why carbon is such a unique atom. Include a discussion about molecular diversity of carbon-b...

A: Carbon has four electrons in the outer most shell.It has electronic configuration of 1s2 2s2 2p2, it...

Q: Which of the following sets of atomic orbitals will form a molecule with the longest bond length? * ...

A: The atomic orbitals forming a molecule with the longest bond length = ? 

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not the nam...

A: Given,  period 6, group 1 (1A)  period 4, group 12 (2B) period 2, group 15 (5A)

Q: Select all that apply. When is D2O used in Nmr experiments?  1. It can be used anytime  2. When c...

A: Various solvents like chloroform, Carbon tetrachloride can be used in the nmr spectrosopy.  Also D2O...

Q: CH3 Hz C HgC a) organometallic reagent w/ fewer carbon atoms b) organomeka llíc reagent w/ more carb...

A: Here we have to prepare the given compound by using organometallic reagent with fewer carbon and als...

Q: Hydrogen in 1?C + 'H • → 1BN + 13N → IC + et + v 1°C + 'H → 14N + Y 14N + 'H + 10 + 150 → 15N + e+ +...

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Q: Write the pressure equilibrium constant expression for this reaction. NH,Cl(s)→NH3(9)+HCl(g)

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Q: Explain the term gradient elution mode in HPLC

A: Given : We have to tell about gradient elution term .

Q: What happens as the two atoms approach each other ? (a) Each electron is attracted by the nucleus of...

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Q: 2.5 million atoms of particular element have a mass of 8.33X10^-16 grams. What is this element?

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Q: Later in the course, we will compare the halogenation of differently substituted carbons, comparing ...

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Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte ...

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Q: A 25.00 mL sample containing an unknown amount of Al and Pb* required 15.40 mL of 0.05788 M EDTA to ...

A:

Q: Discuss and explain the one thing that enables a certain mass of air molecules to travel at a certai...

A: Generally there are three types of velocities for a gas and they are: Root mean square speed, Vrms =...

Q: In the following reaction, what is the role of the BF3? Check all that apply. H F H F H-N B-F H-N-B-...

A: Lewis Structure: Generally, the electron accepts and donates will be represented by the molecule.  

Q: hich of the following statements is true for real gases? Pick those that apply. The volume occupied...

A: Given : We have to tell the true statement regarding real gas.

Q: E iv) v) HNO3 F H2SO4 vi) HCI G vii) i) Hg(CF3CO2)2 H ii) NaBH4

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Q: If I have a 7M HCl solution, how many mL are needed from the stock solution to prepare 98 mL of a 4M...

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Q: Question 9 What is the most appropriate time to use a safety shower? 1) You spilled 400 milliliters ...

A: The most appropriate time to use a safety shower is when you spilled 400 millilitres of concentrated...

Q: A chemical engineer is studying the following reaction: 2 H,S(g)+302(g) → 2 SO,(g)+2H,0(9) At the te...

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Q: 5. Look at the graph about carbon dioxide levels over 50 years. Answer the questions. 400 390 380 37...

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Q: c) The following organic solvents were used in reversed phase HPLC analysis. Propose the elution ord...

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Q: Which of the following moléčules contain polar dil apply! H A ÇI Cl H H CI

A: Polar molecule is a molecular in which one end of molecule is slightly positive and one end is sligh...

Q: Describe why parameters such as pH, conductivity, sodium, chlorides, fluorides, sulfates, hardness, ...

A: Low pH facilitates corrosion rate by providing H+ ions. This H+ increases corrosion rate drastically...

Q: Please answer with detailed mechanism, otherwise I'll downvote

A: Here we have to write the major product formed and mechanism of reaction.

Q: The diol shown undergoes reactions with reducing and oxidizing agents to yield two different product...

A: Given : We have to draw the product for the given reactants.

Q: 8. Classa fy each compoind as alkane, atkine, alkynes aromati hydrocarbon, al cwhol ,ether, alaihyde...

A: Study each organic compound carefully to first examine the functional group present.

Q: Specify the formal charges (both sign and magnitude) on the atoms labeled a-c. b. H. 1) a C c/ H2C=C...

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Q: Carbon dioxide and water react to form methane and oxygen, like this: CO,(9)+2H,O(9) - CH(g)+20;(9) ...

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Q: 2N,0, (g) – 2N,0, (g) +0, (g) At a certain temperature it obeys this rate law. -(3.0 M")[N,0, rate =...

A: 2N2O5(g) -----> 2N2O4(g) + O2(g) Rate = 3.0 M-1 s-1[N2O5]2 Initial concentration of N2O5. = 0.450...

Q: A calorimeter has a heat capacity of 35.45 J/C. When 100.0 mL of a strong acid at 23.1°C is mixed wi...

A: Given  Specific heat of calorimeter 35.45J/°C  Specific heat of solution = 4.10J/g°C  Initial temper...

Q: In 1808, John Dalton proposed a series of statements regarding the atom that became known as Dalton'...

A: Given, Five statements of Dalton's atomic theory is given -     Required,                   Among fi...

Q: Gas Chromatography (GC) is one of the useful techniques in analytical chemistry. Give two important ...

A: It is one of the most convenient technique for the analysis and separation purposes of molecules in ...

Q: Calculate the concentrations of Na+ and CO32- after mixing 1.00 L of 0.200 M NazSO4 with 2.00 L of 0...

A: Given: Concentration of Na2SO4 = 0.200 M Concentration of K2CO3 = 0.100 M Volume of Na2SO4 added = 1...

Q: Three glass bulbs, joined by closed stopcocks, have the following volumes and initial pressures of t...

A: Bulb A: 100. mL of H2S(g) at 190. torrBulb B: 200. mL of He(g) at 1.00 atmBulb C: 500. mL of N2 (g) ...

Q: Absorption What type of transition is induced by the electromagnetic radiation mostly absorbed by th...

A: A question based on UV-visible spectrum that is to be accomplished.

Q: Find the r

A: Ptotal = P (CH3CHO) + P (CH4) + P(CO) Also, P(CH4) = P (CO) So, Ptotal = P (CH3CHO) + 2 P (CH4) Now...

Q: Explain the term gradient elution mode in HPLC Differentiate between gel filtration and gel permeati...

A: The term elution mode in HPLC is defined as the separation method where the compounds are located be...

Q: Identify whether the mixing of each pair of solutions results in a buffer Check all that apply. 185....

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Q: Draw the structures of all the products formed when the compound below is dehydrated with: O., AICI3...

A: reaction