The lattice structure of NaCl is provided below. Na ta) What is the coordination number of Na+ of if the crystal sructure extends three dimentionally?

Q: Which of the following compounds is likely to have the lowest melting point? NaCl CS2 Pb…

A: Melting point: The temperature at which a solid substance melts to achieve liquid state. Melting…

Q: Fe+Pb(NO3)2

A: Single replacement reactions are those reactions in which one element is replaced by another element…

Q: Which type of compound is used to color glass? OBases OPolymers O Alloys Metal oxides Acids

A: Glass is coloured when metal oxides or metal powders are added to molten glass. The colour of glass…

Q: The Martial regolith is about 45.5% SiO2. Draw the VSEPR structure of SiO. Also give the name of the…

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Q: If your base metal is Fe, which among the following metals can you use as a noble coating for…

A: If your base metal is Fe,the metal is used as coating for protecting it, the metal is given below.

Q: What is the balanced net ionic equation? Co(C2H3O2)2 * 4H2O + CH3COOH →

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Q: Specify which MAGNESIUM alloys gain strength by cold deformation and aging, specify how the aging…

A: Cold formation is a method to strengthen the the metal below the recrystalline temperature. Mg alloy…

Q: Which of the following is a transition metal? a) Calcium b) Iron c) Potassium d) Magnesium

A: In the Periodic Table, transition metals are the elements found in Groups 3-12. They are…

Q: The three most well-known minerals of tourmaline are: Elbaite…

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Q: Which of the following is a transition metal? a) Aluminum b) Copper c) Zinc d) Sodium

A: Transition metals are the metals that are present in between the s-block and p-block elements. The…

Q: Molybdenum has a BCC crystal structure, an atomic radius of 0.1363 nm, and an atomic  weight of…

A:

Q: If Portland cement contains about 5%calcium sulfate how Many kilograms of calcium sulfate is…

A: Given : Mass of cement = 250 tons = 250 X 103 Kg                                         (Since 1…

Q: palladium(III) iodide Express your answer as a chemical formula.

A: A chemical formula of an ionic compound can be formed by criss-crossing the valencies of ions.

Q: Which of the following compounds would you expect to have the lowest melting point? CaO H2O Na2O…

A: Ionic compounds with higher charges have higher melting point due to strong intermolecular forces…

Q: What is the mass percent of water in Zn(NO3)2·6 H2O?

A: First calculate the mass of water.

Q: If a small amount of CaO is added to an otherwise mostly silica glass, what will happen to the…

A: Silica glass, primarily composed of silicon dioxide (SiO2), has a complex three-dimensional network…

Q: Explain why the crystal structure and atomic size of the two elements are important factors in a…

A: The factors affecting the two-component phase diagram are:Atomic size: When two elements combine to…

Q: You are told by your instructor to go to the stock room and find a bottle of the chemical K3Cl. Does…

A: K is potassium, element of group 1 of periodic table with 1 valence electron And Cl is chlorine,…

Q: what holds a unit together in a crystal of an ionic compound?

A: ●Ionic compounds held together by ionic bonds. ●The strong intermolecular force of attraction…

Q: Nitrogen is found in nature as N2(g). Would you expect phosphorus to be found innature as P2(g)?…

A: Nitrogen has a smaller size due to which it forms p∏-p∏ multiple bonds with itself. It has high bond…

Q: -> + CuSO4 + Fe+2

A: Given , CuSO4+Fe2+→?

Q: Discuss the formation of alloys and its importance

A: Metals are compounds that can lose electrons and have high conductivity.

Q: Vanadium can be obtained by processing VO2 Which is 61.42% vanadium  and 38.58 % Oxygen. What mass…

A: Provided %of V in VO2= 61.42% Provided % of oxygen in VO2= 38.58% Let (w) mass of VO2 is needed to…

Q: How is Cu2O nanoparticle synthesized in the laboratory? Suggest a method and briefly describe it.

A: One common method to synthesize Cu₂O nanoparticles in the laboratory is the chemical reduction…

Q: Discuss the nature of bonds in NaCl and diamond. What do you mean by directionality of covalent…

A: Ionic bonds are formed when the atoms transfer electrons among each other leading to formation of…

Q: lonic Compound Melting Polnt (C) MgF2 1263 MgBr2 711 CuCl 430 CuCl2 620 Which of the following…

A: Ionic compound is a chemical compound  composed of ions held together by electrostatic attraction.…

Q: A trace evidence analyst places crystals of an unidentified white powder onto the stage of a…

A: All materials can be divided into two categories, isotropic and anisotropic. Isotropic materials…

Q: What are the chemical equations for the following:  CoCl4+ H2O  CuSO4 +NH3 CuSO4 + KSCN CuSO4…

A: CoCl4 + H2O The chemical reaction is, CoCl4 + 6H2O  --->  Co(H2O)6 + 4Cl

Q: 2 Ba2+ (aq) + Cr20,2 (aq) + H2O (1) =2 BaCrO4 (s) + 2 H* (aq) Dichromate forms orange aqueous…

A: The equilibrium reaction given is,

Q: Now use the bonds and/or interactions you indicated in Q4.6 to explain how these types of…

A: Correct answer -->  C (s, Diamond) Melting point of the molecules -->  CH4   --> - 182°C…

Q: Ferrocene, [Fe(C10H10)(s) ;molar mass 186.03 g/mol]can be prepared by reacting 3.0 g of FeCl2(s)…

A:

Q: What is the ELECTRON DOT STRUCTURE for MgBr2?

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Q: Balance the equation. KMNO4 + Na2C204 + H2SO4 K2SO4 + NazSO4 + MnSO4 + CO2 + H2O

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Q: Draw the Lewis structure for PO(OH)3

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Q: Which of the following describes a metallic substance? A tightly packed lattice of positively and…

A: The objective of the question is to identify the correct description of a metallic substance among…

Q: Ni(OH2)4(OH)2 systematic name

A:

Q: Which of the following is expected to have the lowest melting point? I3D II IV O II O IV O O o o

A: Melting point of a compound depends on the strength of intermolecular forces. Greater is the…

Q: Identify the crystal structure of all metals with symbol on each crystal structure type. Except for…

A: Some of the major ones are as follows

Q: Give the chemical name of this compound: Be(ClO)2

A: Hypochlorite is an anion and it has a chemical formula ClO-. This anion combines with a number of…