manganese atom: n 1 mi M; e- e- n M. 1 6. 7 3 8 4 9 10 d) Is the element manganese paramagnetic or diamagnetic? Explain your answer.

Q: 1) Cl2, H30* 2) NaCN 3) H2SO4, H20 4) SOCIl,

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Q: Consider the chair conformation of the molecule depicted below. Redraw this chair as a hexagon struc...

A: Conformation of molecules means isomers can be interconverted just by simple rotation usually formal...

Q: The tetrachloroplatinate anion has Dah symmetry. Use sketches to show that the Pt dxy orbital has B2...

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Q: Which of the following is (are) meso? Br Br HN H Br Br Br H Br Br I II II IV O I O IV O Two of these...

A: ->Meso compounds are compound that have either center of symmetry (or) plane of symmetry (or) bot...

Q: What is the average mass, in grams, of one Zn atom? Multiple Choice O 65.39 g 65.39 amu O 109 x 10 2...

A: Given atom - - > Zinc (Zn) Molar mass of Zn atom = 65.38 g/mol Avagadro's number = 6.022*1023  

Q: Pentaborane B5H9(s) burns vigorously in O2 to give B203(s) and H2O(). Calculate AHxn for the combust...

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Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385 Ng-...

A: given :-  mass of Cu = 22.0 g  specific heat of Cu = 0.385 J/g°C  initial temperature = 45 °C  heat ...

Q: Compound Formula Cation Symbol Anion Symbol Compound Name *CuCl, Cu 2* CI copper(II) chloride FeN *F...

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Q: Predict the MAJOR carbon-containing product(s) of the following reactions. Show stereochemistry wher...

A: Here, cyclic anhydride (reactant) is reacts with methanol(CH3OH) and forms an ester. With one equiva...

Q: Cation Anion Compound Formula Name Symbol Symbol CaSO, Al(NO,), Na,co,

A: Cation is basically the positively charged ion. It is the metal ion .  Anion is negatively charged i...

Q: -NO2

A:

Q: At elevated temperatures, ammonium iodide decomposes according to NH4I(s) ⇌ NH3(g) + HI(g) (a) If ...

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Q: What is the maximum value of the secondary quantum number (ℓ) allowed for atomic electrons with a pr...

A: Quantum numbers :- Quantum numbers are like address of electrons inside the atom  There are four qua...

Q: The photoelectric work function (Ewr) of a metal is the minimum energy need to eject an electron fro...

A: Answer: This question is based on photoelectric effect bombarding of photons on a metal surface rele...

Q: For many purposes we can treat ammonia (NH,) as an ideal gas at temperatures above its boiling point...

A: Ideal gas equation is PV = nRT,we will use this equation.

Q: 5. The pOH of a solution, which is 0.5F with respect to a weak monoprotic acid is 9.2. calculate the...

A: Ionization constant of acid = Ka = [Product] / [Reactant] Also, pOH = - log [OH-] pH + pOH = 14 pH =...

Q: (Equation 1) 2 "C"a(s) + O2(g) (Equation 2) 4 Zn(s) + 2 02(g) arrow 2 "С" а Оfs) ДН %3 minus 1270.2 ...

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Q: A major component of gasoline is octane (C3H18). When octane is burned in air, it chemically reacts ...

A: Reaction occurs as follows:  C8H18 + O2 ----> CO2 + H2O  Thus to get the amount of oxygen require...

Q: Which of the following will not act as a Bronsted base in water at 298 K, and not participate in hyd...

A:                                 Answer Which  of the following  will not act as a Bronsted base in w...

Q: Clik in the answer box to activate the palette. Determine the empirical formula of a compound contai...

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Q: Can you identify constitutional isomers of CH3Cl or of CH2Cl2. If you can, draw them. Solve it asap

A: Constitutional isomer is one types of isomer in which compound having same molecular formula, but in...

Q: Zinc metal reacts with HCI according to the following balanced equation: Zn(s) + 2HCI(aq) --> ZnCl2(...

A: Given : volume = 47.0 ml density = 1.03 g / ml specific heat = 4.184J /g°c temperature change of sol...

Q: 1) NaOH, H2O 2) РСС H H.

A: Given reaction is aldol condensation followed by oxidation with PCC

Q: Substantially discuss how Nitration of Toluene works

A: Toluene gives ortho and para isomer by the nitration,but it heated it can be give dinitro toluene an...

Q: A. b. Now consider the two molecules A. and B. Note that A. is a dianion and B. is a neutral molecul...

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Q: Formula Lewis structure Electron group Molecular Polarity (or ion) АХЕ Bond Notation geometry geomet...

A: • AXE notation :  A- Means crntral atom. You will always have this.X - Number of bonded pairs to the...

Q: Determine the concentration of a solution that contains 825mg of Na2HPO4 dissolved in 450.0mL of wat...

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Q: How many milliliters of 0.20 M chloric acid are needed to prepare 3.0x102 milliliters of 0.050 M chl...

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Q: You started with 1.000 g of unknown and isolated 0.9550 g of metallic Cu. What is the calculated for...

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Q: hat is the mass of 4.50 x 1022 Cu atoms? Multiple Choice 747 x 102 g 4.75 g

A: Molar mass Cu is 63.546

Q: Ph PHHC-PPH3

A:

Q: 7) The most important reaction that allows our cars to do work is octane (C8HI8) combustion. 2 08HI8...

A:   As per guidelines if multiple questions posted  first question is allowed to solve , please post i...

Q: 1. Name each of the following compounds: a) Pbl2 b) NiS c) Fe(OH)2 d) Crz(CO3)з e) Al(ОН)з f) KNO3 g...

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Q: What is the pH after 0.195 mol of NaOH is added to the buffer from Part A? Assume no volume change o...

A: Well, when NaOH is added, the equilibrium concentration of HA decreases and concentration of salt in...

Q: Enrico Fermi (1901-1954) was a famous physicist who liked to pose what are now known as Fermi proble...

A: *** 1 ***volume of a sphere = 4/3 x pi x r³ and we want volume of sphere with diameter 6450km - volu...

Q: Determine the empirical s K: 24.74%; Mn: 34.76%; O: 40.50%

A: Empirical formula is simplest formula

Q: When 0.7521 g of benzolc acid was burned in a calorimeter contalning 1,000. g of water, a temperatur...

A: Given data: Mass of benzoic acid = 0.7521 g Heat of combustion of benzoic acid = - 26.42 kJ/mol Mass...

Q: a. K2Cr207 / Aq. H2SO4 /heat b. HNO3 / H2SO4 c. Br2 / FeBr3 d. NaOH, then H2O2 e. Sn / HCI f. NANO2 ...

A: In electrophilic aromatic substitution reaction, methyl group acts as ortho para directing group due...

Q: What is the pOH of a solution that has a H30* concentration equal to 4.12 x 105 M at 25°C?

A: Hydronium ion concentration is an important parameter of an aqueous solution. The concentration of t...

Q: Pentaborane BsHg(s) burns vigorously in 02 to give B203(s) and H20(). Calculate AHxn for the combust...

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Q: A 10.00 L tank at 26.6 °C is filled with 5.90 g of sulfur hexafluoride gas and 18.6 g of dinitrogen ...

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Q: Answer the following questions about the Lewis structure for ammonium carbonate, (NH4)2CO3 There are...

A: Lewis structure of NH4+ ion is given by, Lewis structure of CO3-2 ion is given by,

Q: Answer the following questions about the Lewis structure for iron (III) hydrogen phosphate, Fe2(HPO4...

A: Lewis structure of Hydrogen phosphate ion is given by,  

Q: When 0.7521 g of benzoic acid was burned in a calorimeter containing 1,000. gof water, a temperature...

A: A bomb calorimeter generally consist of water and Some other components  so when temperature is abso...

Q: Find the number of moles of the indicated element a) 9.75 g of B2O3 b) 187.2 mg of Na2B4O7 . 10H2O c...

A: Given data is as follows: (a) The mass B2O3 given = 9.75 g The moles of substance can be calculated ...

Q: What is the equilibrium constant expression for the following reaction? B(aq) + H2O(l) ⇌ HB+(aq) + ...

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Q: Which of the following processes is exothermic, given the following: N2(g) + 2 02(g)- N2040) AH°= 9....

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Q: How do you write out a balanced chemical equation?

A: To write a balanced equation, the reactants go on the left side of the arrow, while the products go ...

Q: An unknown compound has the molecular formula C6H12O2. The compound shows a strong peak in its IR sp...

A: molecular formula C6 H12  O2 IR Spectrum - 1700 this peak is due to C=O stretching   

Q: Predict the acid strengths of the following compounds: H,0, H;S, and H,Se. neither strongest nor wea...

A: Answer: This question is based on periodic properties of the elements. Oxygen, sulfur and selenium a...