The world's largest cut diamond is the First Star of Africa. Its volume is 1.84 cubic inches. What is its volume in cubic centimeters?

Q: What is the ionic charge on a metal (M), given the formula of the oxide, MO2

A: Given, The ionic charge on a metal (M), in the formula of the oxide, MO2 is:

Q: Determine the following values for a saturated aqueous NaOH solution at 20 °C to the indicated numbe...

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

Q: Which of the following acids is named nonmetal stem plus –ic acid: HBr(aq), HBrO2(aq), HBrO3(aq)

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Q: 10. Finish the reaction below (all potential products, and label those products.not with exact names...

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Q: 2.5 3 7 8 9 10 12 14 16 20 24 100 80 60 40 20 4000 3500 3000 2600 2200 2000 1800 1600 1400 1200 1000...

A: In Stretching vibrations , the distance between two atoms are increases or decreases but atoms remai...

Q: A point group has the following sets of elements E, 8 C3, 3C2, 6 S4, 6 od. The order and number of i...

A: We know tetrahedral point group has E, 8 C3 , 3 C2 , 6 S4 and 6 σd. Where the numbers before symmetr...

Q: Determine the structure or possible structures of compounds that correspond to the following IR spec...

A: The structure are as follows:  

Q: 1.So if you were trying to extract 15mL of an aqueous layer, why wouldn’t you want to use 45mL of th...

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

Q: Silver nitrate is added to a solution of 1 x 10 M sodium acetate (K, AgC,H,O2 = 1.9 x 10°): a) At wh...

A: For the reaction., AgNO3+CH3COONa--->CH3COOAg+NaNO3 From the net equation one mole of silver nitr...

Q: How much mL of BaSO4 will be recovered given the following: Solution A: Na2SO4(aq) = 0.01 M; V = 10...

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Q: H

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Q: 2. Write a synthesis of the Wittig reagent C1

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Q: Give the balanced chemical equation for each of the following reactions.  SUBJECT:ANALYTIC CHEMISTR...

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Q: -Write the electron configuration for each of the following: a. lithium Li-13225 b. sodium na-1s2252...

A: 5) The elements given are lithium, sodium and potassium.  

Q: Determine ∆G° for the reaction 2 NO₂(g) ⇌ N₂O₄(g) if K= 6.94 at 25.0 °C. (R = 8.314 J/mol･K)

A: Relation of gibbs free energy with equilibrium constant is given as:  ∆G = ∆Go + RTlnK  At equilibri...

Q: 1000 1500 2000 2500 3000 distance from nucleus (pm) Use this sketch to answer the following question...

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Q: Using Faraday constant, how many grams of copper will attach to the cathode of an electrolysis cell ...

A: The Faraday first law states that the amount of material deposited at cathode from electrolytic solu...

Q: N. H. Image I- :Z||

A: Here we have to determine the chiral and achiral molecules from the given amine molecules .

Q: raw a sequence like on slides 4 and 6 to show how to do the separations described below.  Case 1: Y...

A: The separation techniques involve the methodology to categorize each component of a mixture into its...

Q: hat is the purpose y the result of Spectrophotometric of a Cobalt Chloride Solution Analysis?

A: Introduction: We know the spectrophotometric analysis is used to find the unknown concentration of t...

Q: . What is ΔHorxn of NH3 (ΔHof = -46 kJ/mol) + O2 = NO2 (ΔHorxn = 34) + H2O (ΔHorxn = -286)

A: Since you have posted multiple unrelated questions as per guidelines we can answer only one per sess...

Q: Give the balanced chemical equation for each of the following reactions. 1. Identification of chromi...

A: Here we have to identify the following ions.

Q: d) The reaction 2NO, (g) 2NO (g) + 02 (g) has the rate constantk = 0.63 M-'s. i. Determine the order...

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Q: Which of the following is one of the resonance contributors of the intermediate produced in a Friede...

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Q: The equilibrium constant, Kc, for the following reaction is 1.92x10-2 at 725 K. 2HI(g) H2(g) + I2(g)...

A: Equilibrium constant, Kc depends on the concentration of reactant and product which are in gaseous s...

Q: но NH2 HO. `NH2 он

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Q: What mass of hexachloroform must be added to 5.69 grams of chloroform to give a solution with a boil...

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Q: Please draw the original Lewis structure then redraw the diagram in its molecular geometry and pleas...

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Q: The equilibrium constant for the following reaction is 3.13x103 at 32 °C. N2(g) + 02(g) = 2 NO(g) K ...

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Q: How many Cu grams are produced if 123 mole of CuCl2 is reacted with excess K?

A: Given: Moles of CuCl2 reacting = 123 mol.  

Q: A student ran the following reaction in the laboratory at 431 K: PCI5 (g) PCI3 (g) + Cl2 (g) When sh...

A: Given : Moles of PCl5 = 2.91 moles

Q: Which of the failowingis the reaction quotient expression for the ionization of NH, n water? The equ...

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Q: Approximate the enthalpy of vaporization (in kJ mol to two decimal places) for the given data provid...

A: Given: The best fit line equation for the ln(P) v/s 1/T plot is, => y = -9327.9 x + 31.491   

Q: The acid dissociation constant K, of hypobromous acid (HBrO) is 2.3 × 10. Calculate the pH of a 3.5 ...

A: The acid dissociation constant for the HBrO is = 2.3×10-9 The concentration of HBrO solution is = 3....

Q: A solution of the antibiotic, penicillin contains 300 units/mL. If it is eliminated from plasma thro...

A: First order linear process indicates that the metabolism of antibiotic follow first order rate  Find...

Q: Differentiate between acute and chronic health effects from air pollution.

A: Air pollution is now a days a life-threatening problem. Air pollution arises due to emission of pois...

Q: 7. Draw the structure of these molecules clearly depicting R/S configuration (wedge/dash notation). ...

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Q: 22ln an Electrolytic cell with Fe and Sn electrodes, calculate the E°ce knowing that Fe+ e > Fe*2 E°...

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.  

Q: Give at least one example of each of the reactions below: a) neutralization, use an example from ev...

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Q: a gallon of water weighs about 4.9 kg. how many gallons of water are there in 29.4kg?

A: Given, Weight of 1 gallon of water is 4.9 kg.  

Q: 2) Explain how dipole-dipole forces cause molecules to be attracted to one another.

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Q: hoto of Cholesterol Structure? How many chiral carbon atoms are here in the Cholesterol molecules? W...

A: Given : We have to tell number of chiral carbons in cholesterol molecule , R and S configuration and...

Q: A chemical compound was insoluble in water and it had a low boiling point.   Question 19 options: ...

A: Ionic compounds have strong electrostatic interionic attraction forces; hence the ionic compounds ar...

Q: B. Write the IUPAC name of the following: 3. (CH3CH2CH2)2NCH2CH3 4. CH3CH2CH2COCH2CH2CH2CH3 5. CH3CH...

A: We will use iupac naming rules to name all the compounds one by one.

Q: 1. Which of the following would be effective buffers. (circle effective buffers) HCN/NACN desired pH...

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Q: Balance the equation representing the reaction between iron(III) oxide, Fe,O3, and carbon monoxide (...

A: Answer: This question is based on the redox reaction where one substance is getting oxidized and oth...

Q: Provide the correct IUPAC name for the compound shown here.

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Q: Lead (II) nitrate is reacted with sodium iodide. Calculate the number of Pb2+ ions required to form ...

A: The Pb2+ ions required = 1.4633×1021

Q: 25) Draw the Structures and mechanism for the Major produst + C Ho Na OCHE CH3OH. CHO

A: The two given reactions are best example of condensation reaction followed by removal of water with ...

Q: ) Research and explain how a pH meter (ph meter) works and how it is calibrated.

A: pH meter

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.