Silicon (Si) is the semiconductor indust the Group IV (4) of th Si-29. i) (ii) Explain what a How many pro this Silicon iso iii) What is the ele

Q: How many kilograms of lead must be added to 71 kg of tin to yield a Pb-Sn alloy having a composition…

A: Mass of tin = 71 kg % lead = 29% %tin = 71%

Q: Why is the oxidation state for K:+1 and O:-2, in KO2?

A: The oxidation state, or oxidation number, is the hypothetical charge an atom would have if all its…

Q: cassiterite is an ore of ?

A: Ore: It is a natural occurrence of rock in which minerals are present with economically significant…

Q: What is the oxidation number of M in M2O5?

A: The oxidation number of an element refers to the total number of electrons that an atom can gain or…

Q: 38. What is Eºcell? O-1.38 V O -1.94 V O +1.94 V O +1.38 V O None of the given.

A:

Q: In which one of the following molecules does sulfur have the smallest oxidation number? A) SO, B)…

A: To solve this problem we have to calculate the oxidation state of sulphur in each compound.

Q: cthe unbalanceel 27.) The Girap 2 metals(Ba state by the feaction of t temperatuees,alz produ…

A: BaO, SrO ,CaO

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: What is the oxidation state of sulfur in MgSF6?

A: Oxidation number of Mg = +2Oxidation number of F = -1Let oxidation number of S be xGiven compound is…

Q: rank the following atoms in. order of increasing electromagtivity N F C B

A: • The given elements are ,  N ( Nitrogen,atomic number =7 ), F ( Fluorine, atomic number =9 ), C (…

Q: Write the theory, state, and explain two properties and two applications on each topic you select.…

A: The theory, properties and applications of three topics from the given choices have been described…

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: What is the oxidation state of the chromium atom K2CrO4?

A: The important points related to oxidation state are :The sum of overall oxidation state of a neutral…

Q: (g) Differentiate between hypereutectoid and hypoeutectoid alloys

A:

Q: For the following reaction aut equiiodum, which One Of the Cheinges below aold cause the equillbrium…

A: Using Le-Chatelier's principle which states that equilibrium will shift in that direction which undo…

Q: Identify two properties of copper that lends itsef to use in telecommunicaions, wires and cables.

A: the properties of copper that lends itself to use in telecommunications, wires and cables are:

Q: When aluminum replaces up to half of the silicon atomsin SiO2, a mineral class called feldspars…

A: The feldspar is a mixture of minerals of metals. The ratio of Al : Si is 0.5. So one Al ion per…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.