2. (a) Many main group oxides form acidic solutions when added to water. For example solidtetraphosphorous decaoxide reacts with water to produce phosphoric acid. Write a balancedchemical equation for this reaction.(b) Calcium phosphate reacts with silicon dioxide and carbon graphite at elevated temperaturesto produce white phosphorous (P4) as a gas along with calcium silicate (Silcate ion is SiO3²-)and carbon monoxide. Write a balanced chemical equation for this reaction.

Answered: Image /qna-images/answer/49aab191-2c75-4b57-82bb-74cbdf300817.jpg

Answered: 2. (a) Many main group oxides form…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter19: The Chemistry Of The Main-group Elements

Section: Chapter Questions

Problem 23QRT

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Phosphorous acid, H3PO3, is oxidized to phosphoric acid, H3PO4, by nitric acid, which is reduced to nitrogen monoxide, NO. Write the balanced equation for this reaction.
Iodine can be prepared by allowing an aqueous solution of hydrogen iodide to react with manganese dioxide, MnO2. The reaction is 2I(aq)+4H+(aq)+MnO2(s)Mn2+(aq)+2H2O+I2(s) If an excess of hydrogen iodide is added to 0.200 g of MnO2, how many grams of iodine are obtained, assuming 100% yield?
4.48 Elemental phosphorous is used in the semiconductor industry. It can be obtained from an ore called fluoroapatite via reaction with SiO2 and C: 4Ca5( PO4)3F+18SiO2+30C3P4+30CO+18CaSiO3+2CaF2 Suppose a particular semiconductor production plant requires 1500 kg of P4. If the recovery of P4 from this reaction is 73% efficient, what mass of fluoroapatite is needed?
Solid boron can be extracted from solid boron oxide by reac- tion with magnesium metal at a high temperature. A second prod- uct is solid magnesium oxide. (a) Write a balanced equation for the reaction. (b) What mass of boron can be produced when 125 kg of boron oxide is heated with 125 kg of magnesium?
Complete and balance the following acid-base equations:(a) A solution of HClO4 is added to a solution of LiOH.(b) Aqueous H2SO4 reacts with NaOH.(c) Ba(OH)2 reacts with HF gas.
Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced?
Methylhydrazine, N2H3CH3(l), is used with the oxidizer dinitrogentetroxide, N2O4(l), to power the steering rockets of theSpace Shuttle orbiter. The reaction of these two substancesproduces N2, CO2, and H2O. Write a balanced equation forthis reaction.
(i) How is HNO3 prepared commercially?(ii) Write chemical equations of the reactions involved.(iii) What concentration by mass of HNO3 is obtained?
What is the theoretical yield of vanadium, in moles, that can be produced by the reaction of 2.0 mole of V 2O 5 with 6.0 mole of calcium based on the following chemical equation?
Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) Assuming an excess of the other reagents, from one mole of aluminum Al (s), how many moles of alum will be produced?
Name the products formed in each case when(a) hydrochloric acid reacts with caustic soda.(b) granulated zinc reacts with caustic soda.(c) carbon dioxide is passed into lime water.
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