Lead metal is obtained from lead sulphide through the following reaction: 2PbS(s) + 2C(s) + 3O2(g) → 2Pb(s) +2CO(g) + 2SO2(g) a) If 100g of PbS is reacted with excess C and O2, calculate the mass of lead metal obtained.   b) Suppose 100 g of PbS is reacted with 4g of C and 20g O2. Find the limiting reactant for this reaction.          (c)For question (b) above, calculate the mass of lead metal obtained

Q: What mass of Ca(OH)2 is produced when 24.0 mL of 0.1122M of CaCl2 reacts with excess KOH?

A: Molarity = number of moles of solute/volume of solution (in L)  so, number of moles = molarity ×…

Q: 9. The following is the balanced equation for the combustion of butanol in oxygen: CAH9OH@ + 6 O2 →…

A: The balanced combustion reaction for butanal is given below -   C4H9OH + 6O2 ---> 4CO4 + 5H2O…

Q: 3H2(g)+N2(g)→2NH3(g)3H2(g)+N2(g)→2NH3(g) What is the theoretical yield of ammonia, in kilograms,…

A:

Q: If 5.9 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, how many kg of CO₂ is…

A: Calculate the moles of CO2 produced, Calculate the mass of CO2 produced,

Q: Urea (NH2)2CO) is prepared by reacting ammonia with carbon dioxide according to the equation.…

A: Urea can be prepared chemically in industry .

Q: Use the balanced synthesis equatuon of cyolite to answer these two questions? If 13.7 kg of…

A: The balanced chemical reaction for the formation of cryolite is shown as,

Q: The roasting of siderite ore, FeCO3, produces iron(III)oxide: 4FeCO3 + O2 → 2Fe2O3 + 4CO2 A 52.0g…

A: The percentage yield of a substance is calculated by using the following expression: Percentage…

Q: A)What mass of ammonia gas can be produced from a reaction between 565.0g H2 and 880.0g of N2…

A:

Q: If a student reacts 41.2 moles of Cl2 with an excess of CH4 how many moles of CCl4 will be produced

A: Synthesis reaction of CCl4 ; CH4  + 4Cl2   --->  CCl4  + 4HCl Moles of Cl2 given = 41.2 moles

Q: 2C2H6 + 7O2 = 4CO2 + 6H2O 7. If we instead had the combustion of acetone, C3H6O, how many grams of…

A: (7) The combustion of acetone is,

Q: Suppose 1.1780g CuCl2 and 2.2773g of Na3PO4 were reacted as in this experiment. What is the…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: Cryolite, Na, AlF,(s), an ore used in the production of aluminum, can be synthesized using aluminum…

A: The balanced equation is given below.

Q: Given the reaction: C2H6O + 302-→ 2CO2 +3H20, how many grams of H20 can be produced if 23.6 grams of…

A: a mole of substance of mass m  and having molar mass M is given by mole=mass takenmolar mass

Q: Aluminum carbonate reacts with phosphoric acid to form aluminum phosphate, carbon dioxide and water.…

A:

Q: The following equation represents the combustion reaction of octane (C8H18), which is the primary…

A: Given, 2C8H18(l)  +  25 O2(g)  -->  16CO2(g)  +  18H2O(l) Excess reactant - O2 gas molar mass of…

Q: Sulfur trioxide dissolves in water to make sulfuric acid, H2SO4. a. Write a balanced chemical…

A: While writing balanced chemical equation, we have to make sure that both the reactant and product…

Q: A student is running an experiment in which 28.5 grams of Na2CrO4 is needed, but the only jar of…

A:

Q: 11. A compound containing only carbon, hydrogen, and oxygen is subjected to elemental analysis. Upon…

A: Given that the mass of CO2 and H2O formed by the burning of 0.7916 g of the compound  is 1.581 g and…

Q: 7.5 g aluminum was heated with sodium chlorate (NaClO3) in an evacuated glass vessel. The heating…

A: A numerical problem based on the oxidation of Al into Al2O3, which is to be accomplished.

Q: DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction. 2…

A: The given reaction is as follows: 2C6H5Cl        +   C2HOCl3  →   C14H9Cl5  +  H2OChlorobenzene…

Q: b) If 32grams of water are produced during the combustion of propane, how many moles of propane were…

A: Number of moles = mass/ molar mass

Q: How many grams of H20 are required to produce 52 g of C2H2 according to the following equation?…

A: The balanced reaction given is, => CaC2 + 2 H2O → Ca(OH)2 + C2H2 Given: Mass of C2H2 produced =…

Q: Gasoline is primarily composed of iso-octane, which has the chemical formula C8H18. When gasoline is…

A: Given  When gasoline is burned, the chemical equation is: 2C8H18  +  25O2  --->  16CO2 + 18H2O…

Q: Automotive air bags inflate when a sample of sodium azide, NaN3, is very rapidly decomposed.2NaN3(s)…

A: Given, 2 NaN3 (s) ⟶ 2 Na (s) + 3 N2 (g)Volume of N2 = 73.6 LDensity of N2 = 1.25 g L-1 To find, Mass…

Q: If 5.93 g of ethylene (C2H4) are combusted with 6.25 g of oxygen. How many grams of CO2 are formed?

A: Ethylene reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: Hydrogen is generated by passing hot steam over iron, which oxidizes to form Fe,O, , in the…

A: The given data: The mass of H2 = 99 g To determine = The number of the moles of iron.

Q: Urea (NH2)2CO) is prepared by reacting ammonia with carbon dioxide according to the equation.…

A: Given, Chemical Reaction: 2NH3(g) + CO2(g) ➡ (NH2)2CO(s) + H2O(l) Mass of NH3 = 632.2 g Mass of CO2…

Q: A 0.400-g sample of Niobium(IV) oxide is reacted with oxygen gas, yielding 0.4256 g of a new…

A: A reaction in which the number of atoms which are there in the reactant side and the product side is…

Q: What amount (in mol) and what mass (in kg) of carbon dioxide are produced when 20 gallons…

A:

Q: Calculate the grams of acetylene (C2H2) produced from the reaction of 5.00 g of CaC2 with water

A: Given: Mass of CaC2 = 5.00 g Known: Molar mass of CaC2 = 64.10 g/mol Molar mass of C2H2 = 26.04…

Q: 2. The reaction between nitric oxide (NO) and oxygen to form nitrogen dioxide (NO2) is a key step in…

A: Balanced chemical equation: 2NO (g)  +  O2 (g)  ------> 2NO2 (g) From this equation: Number of…

Q: MTBE, Methyl tert-butyl ether, CH3OC(CH3)3, is used as an oxygen source in oxygenated gasolines.…

A: Methyl tert-butyl ether , MTBE is an oxygen source in oxygenated gasolines. It is synthesised from 2…

Q: Industrially, vanadium metal, which is used in steel alloys, can be obtained by reacting vanadium(V)…

A: The vanadium metal  can be obtained by reacting vanadium(V) oxide with calcium at high temperatures:…

Q: Given: 2KClO3(s)  2KCl + 3O2(g) How many grams of oxygen are produced by the decomposition of…

A: The given reaction is, The given moles of potassium chlorate is 1.70 moles.

Q: Which value is closest to the mass of Zno e produced when 50.0 g ZnS is heated in an open vessel…

A: Given :- mass of ZnS = 50.0 g  To calculate :- mass of ZnO (in g)  Molar mass of ZnS = 97 g/mol…

Q: In wine fermentation reaction, 0.572 mole of ethanol is produced as shown below C6H12O6 -> 2 C2H5OH…

A:

Q: SO2 is a product of coal combustion. It may combine with O2 and H2O in the atmosphere to form…

A: Given:

Q: Silver nitrate reacts with nickel to form Ni(NO3)2 and silver. To produce 0.7kg of silver, how many…

A:

Q: If you combust 364 liters of methane, CH4, in insufficient oxygen.  How many liters of carbon…

A: The balanced reaction taking place is  2 CH4 (g) + 3 O2 (g) → 2 CO (g) + 4 H2O (g) Given : volume of…

Q: 7. Given the reaction: Pb(CH3COO)2 + H2S - → PbS + 2CH3COOH How many grams of PbS is produced when…

A: Given reaction       Pb(CH3COO)2 + H2S →PbS + 2CH3COOH For 1 mole of H2S → 1 mole of PbS H2S Given…

Q: One commercial system removes SO, emissions from smoke at 95.0°C by the following set of balanced…

A: The answer to the following question is-

Q: . Lead metal is obtained from lead sulphide through the following reaction: 2PbS(s) + 2C(s) +…

A:

Q: 5.50 of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a…

A: A numerical problem based on combustion reaction, which is to be accomplished.

Q: 10.00 grams of a sample containing C, H, O, and N with a molar mass of about 324AMU were burned in a…

A: Given : Mass of compound burned = 10.00 g Mass of CO2 produced = 17.6 g Mass of H2O produced = 5.55…

Q: 5. In the commercial preparation of Hydrogen Chloride, what weight of HCl in grams may be obtained…

A: The reaction for the preparation of hydrogen chloride is as follows: 2NaCl + H2SO4 → NaSO4 + 2HCl…

Q: If you are given 2.5g of C2H4 and 2.75g of O2 to conduct the combustion reaction below: C2H4 + 3O2…

A:

Q: 2.a) An oxide of gold (AuxOy) thermally decomposes. A 0.0205g sample of the oxide is heated, forming…

A: Given that Mass of gold oxide = 0.205 g Mass of gold metal formed = 0.183 g