2 V2O5 + 5 Si → 4 V + 5 SiO2 Given the above balanced equation, calculate the number of grams of silicon required to prepare 307 grams of vanadium metal.

Q: The hydration reaction involving dicalcium silicate is as follows: 2CaO-SiO2 + 3H2O = 2CaO-SiO2-3H2O…

A: Given : Mass of 2CaO-SiO2-3H2O to be produced = 3000 Kg = 3 X 106 g…

Q: Why does sodium fluoride have a melting point of 993°C but nitrogen has a melting point of -210°C?

A: Please find your solution below : Melting point of any substance is defined as the temperature at…

Q: 109 1,000,000,000 nano n Calculate the % (mass/mass) composition, ppm, and ppt of Si in an alloy of…

A:

Q: Write the balanced equation of the reaction between Al and oxygen in the presence of heat.   4.…

A: In the given question we have to write the balance equation of the following reaction.  3. Aluminium…

Q: Which of the following is a correct balanced equation for the reaction described here? Ferric oxide…

A: The correct balanced reaction has to be given,

Q: Distinguish among the substances silicon, silica, and silicon?

A: Silicon ,  Silica and Silicone has to be distinguished.

Q: Distinguish among the substances silicon, silica, and silicone.

A: Semiconductors composed of group 14 elements having 4 electrons. These elements combine with many…

Q: Hematite (F e 2 O 3 ) and magnetite (F e 3 O 4 ) are two ores used as sourcesof iron. Which ore…

A: The atomic mass of iron (Fe) and oxygen (O) atom is as follows; Atomic mass of Fe = 55.845 g/mol…

Q: How many grams of NaOH are required to produce the sodium hypochlorite for 1.50 gal of bleach?…

A: The balanced equation of the given reaction is,

Q: Write the balanced equation of the reaction between sodium hypochlorite and water.  10. Write the…

A:

Q: Kaolinite clays are produced from the weathering of igneous rocks of which feldspar is a good…

A: Given: The reaction of feldspar to form kaolinite clay is given below, The chemical formula of…

Q: Write the balanced equations for the following reactions (a) The reaction which leads to the…

A: Balanced chemical equation: A balance chemical equation is the reaction in which number of atoms of…

Q: What is the VSEPR geometrical shape of the silicate ion, SiO32- ?

A:

Q: Select the property that is a characteristic of the group 14 (4A) element silicon. It has a metallic…

A: Only Carbon atom has the allotrope like diamond,graphite not for silicon. Stable oxidation state for…

Q: Calculate the composition, in weight percent, of an alloy that contains 105 kg of iron, 0.2 kg of…

A:

Q: Explain the action of TiO2 as a photocalyst during wastewater treatment

A: Wastewater is majorly polluted by the organic textile dye,directly being released into the water…

Q: How do you find the oxidation numbers of Cr and P in the formula unit Cr(PO4)2?

A:

Q: Why is boron oxide often added to silica glass?

A: Boron is used in glass manufacturing in the way that addition of boron oxide to glass help in…

Q: Tourmaline is the most colorful of all gemstones. It neutralizes negative forces and offers…

A: Mole of a substance is that quantity that contain 6.022 x 1023 units of that substance. It is also…

Q: 3.00 grams of magnesium react with oxygen gas. Write the balanced equation. How many grams magnesium…

A:

Q: Carbon forms the CO32− ion, yet silicon does not form an analogous SiO32− ion. Why?

A: Why does silicon not form analogous SiO32- ion of CO32- ions formed by carbon has to be given below.…

Q: A sample of soda-lime glass for tableware is analyzed and found to contain the following percentages…

A: Given- % by mass of oxides SiO2 = 72.4% Na2O =18.1% CaO = 8.1% Al2O3 =1.0% MgO = 0.2% BaO = 0.2%…

Q: DRAW a covalent bond for PH3 and SiO2

A:

Q: Silica is utilized in part to make the CPU chip in a computer.

A:

Q: How can you separate alumina (Al2O3) from silica present in bauxite ore? Write the chemical…

A: Filtering of aluminum from bauxite: Finely powdered bauxite metal is processed with a watery…

Q: Describe how the following changes are brought about: (i) Pig iron into steel. (ii) Zinc oxide into…

A: ( i ) Pig iron into steel: Pig iron is charged into basic oxygen furnace (BOF) and water cooled…

Q: 1. Write a balanced equation for the reduction of Co;O3 by carbon monoxide. 2. Write a balanced…

A: The question is based on the concept of inorganic chemistry. we have to write the chemical equations…

Q: Silica is utilized in the manufacture of the central processing unit (CPU) chip used in computers.

A: Silicon is used because it can be used as either an insulator (doesn't allow electricity to flow) or…

Q: Write the balanced equation for the reaction that occurs between potassium sulfide and copper(II)…

A:

Q: The production of high-grade iron from hematite and magnetite using a blast furnace involves several…

A: The production of high-grade iron from hematite and magnetite using a blast furnace involves several…

Q: Write the balanced equation of the reaction between chlorine and water.    9. Write the balanced…

A:

Q: What is the difference between chain and cyclic silicates?

A:

Q: Consider the smelting of iron ore which consists of Fe2O3 and Fe3O4. If Fe is produced in the pig…

A:

Q: Tin is extracted from its ore cassiterite, SnO2 by reaction with carbon from coal. Write a balanced…

A: First, write the balanced equation for the extraction of tin from cassiterite. The reaction can be…

Q: boron hydrides were once evaluated for possible use as rocket fuels. Complete and balance the…

A: The combustion reaction given is  B2H6 (g) + O2 (g) ----> B(OH)3 (l)

Q: How  could you separate tellurium dioxide, TeO2 from SiO2

A: The method to separate tellurium dioxide, TeO2 from SiO2 is to be explained.

Q: What is the difference between substituted aluminum in silicates and adding sodium as modifier in…

A: Interpretation-  To tell about the difference between substituted aluminum in silicates and adding…

Q: What mass of limestone, in kilograms, should be added for 1.00 kilogram of iron ore processed in a…

A: Answer :-  0.118 (kg) Limestrone Mass of Limestone, in kilograms, should be added for 1.00 kilogram…

Q: How do Groups 1A(1) and 2A(2) compare with respect to reaction of the metals with water?

A: Group 1A is called alkaline metal while the 2A is called alkaline earth metals. Both react in a…

Q: How many energy levels are there in the valence band of a single crystal of potassium with a mass of…

A: given that mass of potassium is 6.05mg

Q: How many grams of bromine are required to react completely with 22.1g of titanium?

A: Balanced chemical equation: Ti  +  2Br2  ------>  TiBr4 So, Number of moles of Br2 = 2 x number…

Q: two reactions are necessary for the production of nitrogen dioxide. write the balanced equation for…

A: two reactions are necessary for the production of nitrogen dioxide. write the balanced equation for…

Q: What is the main characteristic that determines whether or not an element is a main-group element?

A: Transition metal elements forms covalent bond easily with other elements than the Main group…