lead (2) sulfide is the principle source of lead metal. to obtain the metal, the sulfide...

lead (2) sulfide is the principle source of lead metal. to obtain the metal, the sulfide is first heated in air to produce pbo.

Solutions

Expert Solution

PbS+3/2O2------------>PbO+ SO2 H= - 415.4 kj ------------> 1

PbO + C-----------> Pb + CO H=108.5 KJ -------------> 2

Adding two equations

PbS+3/2O2------------>PbO+ SO2 H= - 415.4 kj ------------> 1

PbO + C-----------> Pb + CO H=108.5 KJ -------------> 2

----------------------------------------------------------------------------------------------------

PbS + 3/2O2 + C --------> Pb + SO2 + CO H = -306.9KJ >>>>answer

queen_honey_blossom answered 1 year ago

Next > < Previous

Related Solutions

draw the unit cell of a lead sulfide , in which there are sulfide anions in...

draw the unit cell of a lead sulfide , in which there are sulfide anions in a face centered cubic lattice , and lead cations are in alternate tetrahedral holes. Derive the stoichiometry of the mineral and the charge of the lead cation.

17. A. The molar solubility of lead sulfide in a 0.219 M lead nitrate solution is...

17. A. The molar solubility of lead sulfide in a 0.219 M lead nitrate solution is _____M. B. The maximum amount of calcium carbonate that will dissolve in a 0.195M potassium carbonate solution is _____M. C. The molar solubility of barium carbonate in a 0.132 M potassium carbonate solution is _____M.

If you wish to obtain 14.0 g of cadmium metal from cadmium(II) sulfide, what mass of CdS (in grams) must you use?

- Calculate the mass percent of cadmium in ,CdS cadmium(II) sulfide. Mass percent = % If you wish to obtain 14.0 g of cadmium metal from cadmium(II) sulfide, what mass of CdS (in grams) must you use? Mass = g - Nornicotine, a poisonous compound found in tobacco leaves, is 72.9% C , 8.16% H , and 18.94% N . Its molar mass is 148 g/mol. What are the empirical and molecular formulas of nornicotine? Empirical formula: Molecular formula:...

Roasting galena [lead(II) sulfide] is an early step in the industrial isolation of lead. How many...

Roasting galena [lead(II) sulfide] is an early step in the industrial isolation of lead. How many liters of sulfur dioxide, measured at STP, are produced by the reaction of 4.77 kg of galena with 125 L of oxygen gas at 220°C and 2.00 atm? Lead(II) oxide also forms.

When solid lead(II) sulfide reacts with oxygen gas, the products are solid lead(II) oxide and sulfur...

When solid lead(II) sulfide reacts with oxygen gas, the products are solid lead(II) oxide and sulfur dioxide gas. PART A: How many grams of oxygen are required to react with 32.2 g of lead(II) sulfide? Express your answer using three significant figures. PART B: How many grams of sulfur dioxide can be produced when 60.0 g of lead(II) sulfide reacts? Express your answer using three significant figures. PART C: How many grams of lead(II) sulfide are used to produce 134...

1. When solid lead(II) sulfide ore burns in oxygen gas, the products are solid lead(II) oxide...

1. When solid lead(II) sulfide ore burns in oxygen gas, the products are solid lead(II) oxide and sulfur dioxide gas 2PbS(s)+3O2(g)→2PbO(s)+2SO2(g) A.How many grams of oxygen are required to react with 26.0 g of lead(II) sulfide? B.How many grams of sulfur dioxide can be produced when 61.0 g of lead(II) sulfide reacts? C.How many grams of lead(II) sulfide are used to produce 121 g of lead(II) oxide? 2. Pentane gas, C5H12, undergoes combustion with oxygen to produce carbon dioxide and...

Ethics of Exporting Used Batteries Lead is a highly toxic metal, and lead in this case...

Ethics of Exporting Used Batteries Lead is a highly toxic metal, and lead in this case relates to exporting used batteries to Mexico. Elevated levels of lead in the human body have been associated with damage to many organs and body tissues, including the heart, bones, intestines, kidneys, and reproductive and nervous systems. High lead exposure in young children is particularly worrying. It can result in lower intelligence and learning disabilities, impaired hearing, reduced attention span, hyperactivity, and antisocial behavior....

Write a balanced chemical equation for the followings (a) Solid lead (II) sulfide reacts the aqueous...

Write a balanced chemical equation for the followings (a) Solid lead (II) sulfide reacts the aqueous hyrobromic acid (HBr) to form solid lead(II) bromide and dihydrogen monosulfided gas. (b) sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas (c ) aqueous potassium hydroxide with aqueous iron (III) chloride to form solid iron (III) hydroxide and aqueous potassium chloride

Write a balanced chemical equation: Solid lead(II)sulfide reacts with aqueous HCL to form lead(II)Chloride and dihydrogen...

Write a balanced chemical equation: Solid lead(II)sulfide reacts with aqueous HCL to form lead(II)Chloride and dihydrogen sulphide gas Solid lithium oxide reacts liquid water to form aqueous lithium hydroxide Chlorine gas reacts with aqueous potassium iodide to form solid iodine and aqueous potassium chloride. Gaseous dinitrogen pentoxide decomposes to form nitrogen dioxide gas and oxygen gas Gaseous carbon monoxide reacts with hydrogen gas to form gaseous methane (CH4 )and liquid water Balance the equation: H2(g) + N2(g) →NH3(g) HCl(aq) +...

Exporting Used Batteries to Mexico Lead is a highly toxic metal. Elevated levels of lead in...

Exporting Used Batteries to Mexico Lead is a highly toxic metal. Elevated levels of lead in the human body have been associated with damage to many organs and tissues, including the heart, bones,however, do not prohibit companies from exporting used batteries to other nations where standards are lower and enforcement is lax. Ethics in International Business Chapter 4 141 A study conducted by reporters from The New York Times found that about 20 percent of used vehicle and industrial batteries...

Subjects