Trace amounts of Fe3+ ions in _ give amethyst its characteristic purple color. A) AI̟O, B) diamond C) SiO, D) CUSO,

Q: estimate the fraction of electrons above fermi level in sodium and copper at room temperature

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Q: How does the Mineral Family- Oxides is used in everyday life and in Engineering activities?

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Q: Why we add CaCl2 for the production of Na metal from its molten chloride?

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Given MnO2, FeCl3, Pt, and Ni, which would you select for decomposing KClO3 to give O2?

A: Catalyst is chemical substance that enhance the rate of chemical reaction but itself remain…

Q: Write a balanced formula for U(VI) (as uranyl ion; UO22+) using Mn2+ as a reductant for U(VI) and…

A: In UO22+(aq), U is in its maximum oxidation state of +6. In Mn2+(aq), Mn is in its lower oxidation…

Q: Explain why LiFeO2 and Li2TiO3 (rock salt structure) form a wide range of solid solutions with MgO…

A: The ability of two materials to form solid solutions is dependent on their crystal structures, which…

Q: Zeolite A, Na₁₂[(AlO₂)12(SiO₂)₁₂] .27HO, is used to softenwater by replacing Ca2²⁺ and Mg²⁺ with…

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Q: Many transition metals and their compounds are used as catalysts. Given MnO2, FeCl3, Pt, and Ni,…

A: Catalyst are the compounds that lowers the activation energy of reaction to increase the rate of the…

Q: snip

A: The final step in the smelting of FeCuS2 is  Cu2S(s)  + 2Cu2O(s) --> 6Cu(l) + SO2(g) (a) For…

Q: (AlOOH) ore is the most preferred in aluminum production and hematite in iron production of the…

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Q: A blast furnace uses Fe₂O₃ to produce 8400. t of Fe per day.(a) What mass of CO₂ is produced each…

A: a) The chemical reaction that occurs in the blast furnace to produce iron is as follows,

Q: D- A sample of non-pure magnetite( Fe304) weighed 0.5g convert by the chemical reaction to Fe203…

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Q: A student synthesizing [Cu(NH3)4(H2O)]SO4crystals, rushing for time, decided to dry the crystals in…

A: We can expect a negative error with the yield. This is because the complex on heating release water…

Q: 1. Using ionic radii show what is the coordination number and structure of FeO.

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Q: Silicate [SiO4] 4- and Phosphate [PO4]3- anions seem to be quite similar when briefly viewed.…

A: The mineral may be defined as any naturally occurring inorganic solid that has a definite chemical…

Q: A sample of pyrolusite weighing 0.6000 g is dissolved in a solution containing 5.00 mL of 6.00 N…

A: The oxidising power can be determined by the moles of electrons consumed in the reaction as…

Q: is a metal? As CI K F

A: We know that metals are elements that readily forms positive ions(cations) and has metallic bonds .…

Q: c) Quenching is employed to harden metallic materials. i. Explain the process of transforming PLAIN…

A: 1. Answer - Martensitic transformation - Martensitic transformation of shape memory alloys is a…

Q: Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury…

A: Answer :-  a) Mass of NiO produced = 1.027 kg  b) Mass of PbO produced = 2.047 kg  c) Air required…

Q: write the balanced NET ionic equation for the reaction when Mn(C2H3O2)4 and (NH4)2S    are mixed in…

A: In this question, we will write  NET ionic equation.  You can see details Solution below step by…

Q: Which phosphorus nitride NP ,NP^+or NP^2- would be paramagneti

A: Substance which have a permanent dipole moment known as paramagnetic substance and substances which…

Q: The final step in the smelting of FeCuS₂ is Cu₂S(s) +2Cu₂O(s) →6Cu(l) +SO₂(g)(a) Give the…

A: Redox reactions are the combination of reduction and oxidation reactions. The type of reaction in…

Q: 2. Assuming that 1/2 of the original amount of copper was used as the starting material in the…

A: Given that -  Mass of copper initially used as 1/2 of starting amount = 1.316÷2 = 0.658 g    And…

Q: Rank the following in order of increasing electrical con-ductivity, and explain your ranking: Po, S,…

A: The given elements have to arranged in the order of increasing electrical conductivity, The given…

Q: Name an alloy of:(i) Aluminium used is construction of aircrafts(ii) lead in joining metals for…

A: (i) Duralumin is the aluminium alloy used is construction of aircrafts. Composition of duralumin is,…

Q: Why are metals such as Ni and Co economical to mine and use in industrial processes even though they…

A: The major use of metals Co and Ni in industry is due to the reason that they are ferromagnetic in…

Q: 7 Describe the theory behind:- a) Precipitation Age Hardening of Aluminum alloys b) Hardenability of…

A: a) The precipitation age hardening mechanism in aluminum alloys occurs due to the formation of a…

Q: The disproportionation of CO to graphite and CO₂ is ther-modynamically favored but slow.(a) What…

A: a) Disproportionation reaction of CO to graphite and CO, is thermodynamically favourable reaction…

Q: Calculate the radius ratio of Ti and O in the mineral called Rutile. Using the chart below, what is…

A: The size of sites varies with the size of the spheres. In the case of ionic crystals, the radius of…

Q: What is the mass percent of iron in each of the following iron ores: Fe₂O₃, Fe₃O₄, FeS₂?

A: Mass percent of an element is given by, Mass % =mass of elementTotal mass(100)

Q: . What experimental evidence would allow you to determine whether TiCl4 is an ionic compound or a…

A: Oxidation state of Ti in TiCl4 is as follows: x+(-1×4)=0x=+4

Q: chloride was passed into potassium iodide solution where it liberated iodine: Cl2 + KI → KCl + I2…

A: Calculate from given data

Q: Describe the role of the following :(i) SiO2 in the extraction of copper from copper matte(ii) NaCN…

A: Introduction- Metallurgy is the branch of chemistry that deals with mining of metals and their…

Q: It's important to note that MnO is an alkaline metal, whereas Mn207 is an acidic metal. Why? (ii)…

A: (i)  In transition metals , acidic nature of metal oxides Increases with Increase in their oxidation…

Q: The most important oxides of iron are magnetite, Fe3O4, and hematite, Fe2O3. One of these iron…

A: Oxidation state is referred as the  total no. of electrons lost or gained by the atom to form a…