The atomic radius of lead is 0.238 nm. If it forms a face-centered cubic crystalline structure, what is its density (in g/cm³)? Atomic weight of head=207.2 g/mol

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A: The correct balanced reaction:  4 Cr (s) + 3 O2 (g) ==> 2 Cr2O3 (s)  Entropy of the system is…

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A:

Q: Which of the following reactions leads to the product A ? SH a. O d. A .... OTS OH OH NASH NASH 1)…

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Q: Problem 2.19 Which compound in each pair is the stronger acid? O OH a. 2010 a CI CI b. CI OH or 03…

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Q: For the gas phase isomerization of dimethyl citraconate, cis-(CH3OOC) (CH3)C=CHCOOCH3 →…

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Q: t t t ot [References] Chemists commonly use a rule of thumb that an increase of 10 K in temperature…

A: Given -> Initial temperature (T1) = 41°C = 41 + 273 = 314 K  Final temperature (T2) = 51°C = 51 +…

Q: Cyclohexanol (C6H12O) has a cryoscopic constant of 42.2 K kg mol−1, an Ebullioscopic constant of 3.5…

A: Cyclohexanol (C6H12O) has a cryoscopic constant of 42.2 K kg mol−1, an Ebullioscopic constant of 3.5…

Q: How many of the following species are diamagnetic when in their ground state electronic…

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Q: * These reagents are suitable for substitution reaction. But you need to oxidize the alcohol OH O…

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Q: a Answer A B с D E b Answer for a 1 1 0 0 0 Answer for b 1 0 0 2 1

A: Carbon  Atomic number = 6  Electronic configuration= 1s2,2s2,2p2 Valence electrons = 4  -> Carbon…

Q: Calculate the mass of the solid that forms when 0.239 L of 0.023 M CaBr2 is added to 0.133 L of 0.76…

A: Volume of CaBr2 = 0.239 L  Concentration of CaBr2 = 0.023 M = 0.023 mol /L Volume of (NH4)2CO3 =…

Q: Determine the pH of a solution prepared by adding 490.0 mL of 0.345 M Na2HPO4 and 10.0 mL of 0.743 M…

A: Question is about preparation of buffer solution by adding of 490 mL 0.345M Na2HPO4 and 10 mL 0.743…

Q: Consider the below oxidation rection: C12H22011 0₂ C0₂2 + H₂O a) Calculate the grams of oxygen…

A: The explanation is given below-

Q: second- order reaction 0.54M-1 s-1 what is half-life of reaction if the initial concentration is…

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Q: The specific rotation of quinine, an anti-malarial drug, is -165°. How much quinine (in %) is…

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Q: What is the length of the unit cell (a)?    3.6x10^(-8) cm 3.2x10^(-8) cm 3.36x10^(-8) cm…

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Q: A CI F K A C E G CH3 HO HJ HH IFC BI H Br D CIG These atoms will interact with methyl in a…

A: the atoms that will sterically interact with the methyl group in a 1,3‑diaxial fashion.

Q: 1. How many grams of NH4OH must be dissolved in enough water to make 350 mL solution such that the…

A: 1. A certain amount of NH4OH is dissolved in enough water to make 350 mL of solution in which…

Q: X, the molecule shown below, is not planar. The terminal ring at one end is actually skewed up…

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Q: rinda toy 3. The EPA has set the limit for chromium in drinking water to 100 ppb. Calculate the…

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Q: Find the empirical formula of the following compound: 0.23 mol of iron atoms combined with 0.30 mol…

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Q: Determine the HDI (Hydrogen deficiency Index) for a compound with the molecular formula C4H8CINO2.

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Q: Naming Lipid Stereoisomers Carvone, a member of the terpenoid family of chemicals, forms two…

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Q: the pH of 30mL of 0.4M solution of carbonic acid(pKa= 3.8) is adjusted ti 3.2. what is the final pH…

A: We will calculate H+ concentration in both acids and then add to get final H+ concentration. Using…

Q: 3. Calculate AH® for the combustion reaction of butene: CH(g) + 602(g) → 4CO₂(g) + 4H₂O(1), AH° = ?…

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Q: 9) How many grams of the excess reagent are left over when 6.00 g of CS2 gas react with 10.C Cl2 gas…

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Q: Spodumene is processed chemically to convert it to a material having the percent composition 18.79%…

A: Given :  percent composition 18.79% Li  16.25% C 64.96% O

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Q: A metal crystallizes in a simple cubic structure. Its atomic radius is 120 pm. What is the edge…

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Q: How many peaks would you expect to see in the 13C NMR spectrum of 3-bromohexane? a.) 3 b.) 4 c.) 5…

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Q: 4 Explain why the boiling point of propanamide, CH3CH₂CONH₂, is considerably higher than the boiling…

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Q: Silver chromate Ag₂CrO4 is a poorly soluble salt. Calculate its solubility in pure water. Data pK…

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Q: Bank the following from highest to lowest pla а. о b. с. он он а он живи он on F да у он он OH

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Q: Predict the major product of the following reaction: (a) RCO,H?

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Q: Analyze and identify the functional groups in the IR Spectrum given. Describe the peaks and peak…

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Q: Draw a diagram illustrating the temperature dependence of the chemical potential of liquid benzene…

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Q: A chemist prepares a solution of sodium hyposulfate (Na₂S₂O3) by measuring out 77. μmol of sodium…

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Q: . The percent relative uncertainty of a burette reading of 24.35 ± 0.02 is: a. 0.00082% b. 0.0008%…

A: We will use formula to calculate percent relative uncertainty for the given reading.

Q: The observed rate constant of iodination of acetone with HCI is 11.8*105 mol/ls, If 20.0 ml of l₂ is…

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Q: 11. Which of the following is true for a chemical reaction at equilibrium? The forward reaction goes…

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Q: Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical…

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Q: Hex-1-ene (C6H12) has a vapor pressure of 23.26 kPa at 23.5 ∘C and but-1,3-diene (C4H­6) has a vapor…

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Q: Compare the atomic radii of ions. Which of the following ranks these isoelectronic species in order…

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Q: The rate constant of a fi rst-order reaction is 4.60x10-4 s-1 at 350°C. If the activation energy is…

A: Recall the data, Rate constant of first order reaction, k1=4.60*10-4 s-1 T1= 350 °C =…

Q: Determine the structure of product P based on the two reactions below OH f b. d. H "Br Br₂, H₂O OH…

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Q: bollit so of boon lost 2505 6918 Hydrogen peroxide (H₂O2 34.02 g/mol) is sold as an aqueous solution…

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Q: 1. Given the following solvents and their dielectric constants: Hexane 1.88 Benzene 4.6 Ethanol 25…

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Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.