What is the percentage of each element in this substance?

Q: Iodine is prepared both in the laboratory and commercially by adding Cl, (g) to an aqueous solution…

A: The given reaction is : 2NaI(aq) + Cl2(g)→I2(g) +2NaCl(aq) Mass of I2 produced = 23.6 g

Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:…

A: The given reaction is, 4 NH3 (g) + 7 O2 (g)  →   4 NO2 (g)  + 6 H2O (g) The reaction is already…

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

A: According to the given reaction, 4 moles of HCl reacts with 1 mole of MnO2 to produce 1 mole of…

Q: A sample of phosphorous is placed in a 10.05 g crucible and gives 10.24 g then heated red hot to…

A: Mass of empty crucible =10.05g Mass of phosphorus  + crucible =10.24 g Mass of phosphorus oxide +…

Q: Aniline, a starting material for urethane plastic foams, consists of C, H, and N. Combustion of such…

A: Given that: mass of aniline = 9.71 g mass of H2O = 6.63 g mass of N2 = 1.46 g To find: the…

Q: The combustion of ammonia in the presence of oxygen yields NO2 and H2O: 4 NH3(g) + 7 O2(g) → 4…

A: Combustion is an exothermic reaction that leads to the liberation of heat during reaction. In this…

Q: A fuel mixture used in the early days of rocketry consisted of two liquids, hydrazine (N,H,) and…

A:

Q: Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,…

A: The molar mass of Fe is 55.85 g/mol. The molar mass of Al is 26.98 g/mol. The molar mass of Fe2O3 is…

Q: Carborundum is silicon carbide, SiC, a very hard material used as an abrasive on sandpaper and in…

A: Silicon carbide has been produced in the Acheson graphite electric resistance furnace. In this…

Q: Hydrogen cyanide, HCN, is prepared from ammonia, air, and natural gas (CH4) by the following…

A: To calculate the number of moles, we use the equation:       .....(1) Given the mass of ammonia =…

Q: Over the years, the thermite has been used for welding railroad rails, in incendiary bombs, and to…

A: Given: Mass of iron = 15.0g To find: The masses of iron(III) oxide, aluminium and maximum mass of…

Q: The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many…

A: To find mass of product formed.

Q: Aluminium carbide, Al4C3, reacts with water to produce methane. Al4C3(s) + 12H2O(l) → 4Al(OH)3(s) +…

A: Aluminum carbide, Al4C3, reacts with water to produce methane. The balanced chemical reaction is as…

Q: A) What is the molar mass of nickel (II) sulfate (NISO4) in grams per mole?  B) What is the amount…

A: Molar mass = Sum of the atomic mass of elements present in the compound  1 Mole = 6.023*1023 number…

Q: rcise Over the years, the thermite reaction has been used for welding railroad rails, in incendiary…

A: The considered thermite reaction can be represented as,

Q: Consider the reaction: P4(s) + 6Cl₂(g) → 4PC13 (1) Given an initial mass of 15.75 g P4, an excess of…

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Q: [References] Hydrogen cyanide, HCN, is prepared from ammonia, air, and natural gas (CH4) by the…

A: Ammonia reacts with oxygen and methane to form hydrogen cyanide and water. The equation for the…

Q: lodine is prepared both in the laboratory and commercially by adding Cl, (g) to an aqueous solution…

A: The balanced reaction taking place is given as, => 2 NaI (aq) + Cl2 (g) -------> I2 (s) + 2…

Q: the fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of…

A: Number of moles of butane is calculated by dividing the amount in grams by molar mass.

Q: On faucets and plumbing fixtures in areas with hard water, limescale accumulates over time.…

A:

Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: Given: Weight of impure sample of limestone =4.138 g Weight of CO2 = 1.49 g We know that molar mass…

Q: Consider the balanced equation for the reaction of molecular iodine with molecular oxygen: 2 12 + 5…

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Q: Hydrogen cyanide, HCN, is prepared from ammonia, air, and natural gas (CH4) by the following…

A: Given Chemical Reaction: 2NH3 + 3O2 +2CH4 -------> 2HCN +6H2O. To solve this problem we will be…

Q: The following reaction can be used to convert carbon dioxide to oxygen gas. 4 KO2 (s) + 2 CO2(g) → 2…

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Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: Heating limestone and other soil samples revealed calcium oxide and carbon dioxide. The balanced…

Q: The Hall process for the production of aluminum involves the reaction of aluminum oxide with…

A: Given, The reaction is →      Al2O3+3C→2Al+3CO      mAl2O3=1.65×106 g      mC=1.50×106 g

Q: The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen…

A: Theoretical yield is the maximum possible yield of the product in a chemical reaction. The limiting…

Q: The equation for one process for making aluminum fluoride follows. What is the maximum mass, in…

A: Interpretation: The maximum mass, in grams, of aluminium fluoride, AlF3, produced from the complete…

Q: 4.84. Aluminum chloride (AICI3) is used as a catalyst in the production of polyisobutylene, which is…

A: Given, Mass of Aluminium (Al) metal reacts = 2.70 g Mass of chlorine (Cl2) gas reacts = 7.10 g…

Q: Acrylohitrile starting material many synthetic carpets and fabrics. produced by the following…

A: mass of C3H6 = 15 gmass of O2 = 10 gmass of NH3 = 5gMolar mass of C3H6 = 42.08 g/mol Molar mass O2 =…

Q: Coke is an impure form of carbon that is often used in the industrial production of metals from…

A: Given: percentage of carbon by mass = 95% Mass of copper(II) oxide = 1.0 ton To find: The mass of…

Q: a What is the maximum mass of ammonia that can be produced from a mixture of 1.00 x 10 g N2 and 5.60…

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Q: Hematite, Fe,O3, is an important ore of iron. (An ore is a natural substance from which the metal…

A: 1 mole of Fe2O3 react with 3 moles of CO to produce 2 moles of Fe and 3 moles of CO2.

Q: For the following reaction, 2.72 grams of methane (CH4) are allowed to react with 30.4 grams of…

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Q: A mixture of butene, C4H8, and butane, C4H10, is burned in air to give CO2 and water. Suppose you…

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Q: Consider the reaction of solid P, and chlorine gas to form gaseous phosphorus trichloride. a) Write…

A: a) The balanced chemical equation for the given reaction is given below,

Q: Hematite, Fe₂O3, is an important ore of iron. (An ore is a natural substance from which the metal…

A:

Q: Iodine is prepared both in the laboratory and commercially by adding Cl2(g)Cl2(g) to an aqueous…

A: The balanced reaction is as follows: Molar mass of NaI = 149.89 g Molar mass of I2 = 253.81 g

Q: One starting material for the preparation of nylon is adipic acid, which is produced from the…

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Q: Methanol can be produced through the reaction of CO and H, in the presence of a catalyst. catalyst…

A: Given data  Mass of CO reacted 75.0 g  CH3OH produce 68.4 g

Q: If 5.467 g of KAl(OH)4 was the limiting reagent in the synthesis of Alum, calculate the mass of Alum…

A: Mass of  KAl(OH)4  = 5.467 g  Given that yield of reaction is 98.00 %  We need to find mass of Alum…

Q: Phosphorus trichloride, PCl3, is commercially important compound used in the manufacture of…

A: Given information,   P4 + 6Cl2 ==> 4PCl3 Mass of P4 is 125 g Mass of Cl2 is 323 g

Q: The "barking dog" reaction is an exciting combustion reaction that generates a bright blue flame…

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Q: In the combustion of methanol, 2CH3OH(1) + 302(g) 2CO2(g) + 4H20(g),

A: We have given that   2CH3OH(l)   +  3O2(g)    →  2CO2(g)  + 4H2O(g) How many mole of  the excess…

Q: The thermite reaction occurs when iron(III) oxide reacts with solid aluminum. The reaction is so hot…

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Q: Cryolite (Na3AlF6) is used in the production of aluminum from its ores. It is made by the reaction 6…

A: First, calculate the moles of Al2O3 Moles = Mass/Molar mass = 287 g/(101.96gmol-1) = 2.815 moles

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

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