The reaction of Cr2O3 with silicon metal at high temperatures will make chromium metal. 2Cr2​O3​(s)+3Si(s) -------> 4Cr(l)+3SiO2(s) The reaction is begun with 161.00 g of Si and 139.00 g of Cr2O3. How many grams of the excess reactant is left after the reaction is complete?

Q: 1. Sphalerite is a zinc sulfide (ZnS) mineral and an important commercial source of zinc metal. The…

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Q: Disulfi de dichloride (S 2 Cl 2 ) is used in the vulcanization of rubber, a process that prevents…

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Q: The catalytic converter that is standard equipment on American automobiles converts carbon monoxide…

A: Balanced chemical equation: 2CO + O2 ------> 2CO2  Number of moles of O2 =  number of moles of…

Q: For the reaction 2H2+O2➡️2H2O , if 30.0 g of H2 is reacted with 20.0 g of O2, what mass of the…

A: The mass of excess reagent left over is given below

Q: Phosphorus trichloride is produced from the reaction of Phosphorus (P.) and chlorine. P4 C2 - PCI: +…

A: Given reaction ---  P4 + Cl2 ----> PCl3  First of all balanced the reaction then after calculate…

Q: 5) If 42.1 g of benzene reacts with 73.0 g of Bromine, given the reaction CsH6 + Br2 → CGH$B + HBr…

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Q: The action of dilute nitric acid on copper is represented by the equation: Cu + HNO9->…

A: Given-> Weight of HNO3 = 250.0 gm Cu(s) + HNO3-----> Cu(NO3)2 + H2O + NO

Q: Take the reaction: NH3 + O2 ---> NO + H2O. In an experiment, 3.25 g of NH3 are allowed to react with…

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Q: Sodium azide, an explosive chemical used in automobile airbags, is made by the following reaction:…

A: Given, mass of NaNO3 = 10.0 g mass of NaNH2 = 15.0 g percentage yield = 100%   To calculate : mass…

Q: Adipic acid, H2C6H&O4, used to produce nylon, is made commercially by a following reaction petween…

A: the given reaction is  2C6H12+5O2→2H2C6H8O4+2H2O According to the above reaction  2 mole of…

Q: 1) The fizz produced when an Alka-Seltzer tablet is dissolved in water is due to the reaction…

A: The answer to both the Questions are given as -

Q: Hydrogen fluoride is used in the manufacture of Freons (which destroy ozone in the stratosphere) and…

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Q: Nickel (II) hydroxide is a useful component in making rechargeable batteries. It can be produced…

A: molar mass of Ni(NO3)2 = 182.7 g/mol molar mass of NaOH = 40 g/mol molar mass of Ni(OH)2 = 92.708…

Q: 1. The organic solvent thiophene is a carbon-hydrogen-sulfur compound that yields CO2, H2O, and SO2…

A: Given: Mass of compound burned = 1.3020 g. Mass of CO2 produced = 2.7224 g. Mass of H2O produced =…

Q: Ethyl alcohol (C2H5OH), also called grain alcohol, can be made by the fermentation of glucose:…

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Q: 1. In an experiment, 41.0g of iron (II) chloride reacts with 23.0 g of sodium phosphate, producing…

A: The balanced reaction taking place is given as, => 3 FeCl2 + 2 Na3PO4 → Fe3(PO4)2 + 6 NaCl Given:…

Q: Lead (II) nitrate will decompose by the following reaction:  2 Pb(NO3)2 (s) -> 2PbO(s) + 4 NO2 (g)…

A: Limiting reagent is the reagent that is totally consumed in the reaction. Limiting reagent can be…

Q: Solid sulfur and oxygen gas react to produce sulfur trioxide as shown below. In a particular…

A: The chemical equation :  S8(s) + O2(g)  ----> SO3(g)  Mass of S8 = 6.0 g  Mass of O2 = 5.0 g…

Q: Adipic acid, H.CH.Os, used to produce nylon, is made commercially by a following reaction between…

A: Firstly we have to calculate the mass of product ( known as theoretical yield of Adipic acid ) from…

Q: Sodium chloride is formed from the reaction between sodium metal and chlorine gas. 2 Na + Clk → 2…

A: Q1)    (a)                     2Na       +       Cl2 ----------> 2 NaCl                         2…

Q: Adipic acıd, HC¢H&O4, used to produce nylon, is made commercially by a following reaction between…

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Q: Preparation of the pure silicon used in silicon chips involves the reaction between purified liquid…

A: Limiting reactant It is a reactant in a chemical reaction which iss consumed completely and gives…

Q: Silver sulfadiazine burn-treating cream creates a barrier against bacterial invasion and releases…

A: GIven: The mass of Ag2O (Silver oxide) is 25.3 g The mass of C10H10N4SO2 is 50.6 g The molar mass of…

Q: Aluminum oxide (used as an adsorbent or a catalyst for organic reactions) forms when aluminum reacts…

A: The given chemical reaction is ,                           4 Al(s) + 3O2(g) → 2 Al2O3(s) Clearly,…

Q: f 19.2 g of O2 is reacted with excess iron, what is the theoretical yield of Fe2O3?

A: Oxygen (O2) is not in excess means it is the limiting reactant for the given reaction. So, product…

Q: Disulfur dichloride, S2Cl2, is used to vulcanize rubber. It can be made by treating molten sulfur…

A: S8 (l) + 4 Cl2 (g) → 4S2Cl2 (l) Mass of Sulfur = 31.0 g Mass of Chlorine = 74.7 g   First we have to…

Q: One of the reactions in the industrial production of nitric acid involves the production of nitric…

A: The reaction in the industrial production of nitric acid involves the reaction of production of…

Q: Consider the production of copper metal from copper ore: 2 Cu3FeS3 (s) + 7 O2 (g) → 6 Cu (s) + 2…

A: The given balanced equation is: 2 Cu3FeS3 (s) + 7 O2 (g) ------>  6 Cu (s) + 2 FeO (s) + 6SO2 (g)…

Q: The reaction of Cr2O3 with silicon metal at high temperatures will make chromium metal. 2Cr2O3(s) +…

A: The given reaction is,2Cr2O3(s) + 3Si(s) → 4Cr(l) + 3SiO2(s)The number of moles of Si and Cr2O3…

Q: In the reaction of Fe 3 O 4 with carbon to form carbon dioxide and iron, the number of moles of carb…

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

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Q: For the reaction 2H2 + O2 → 2H2O, if 30.0 g of H2 is reacted with 20.0 g of O2, what mass of the…

A: In the reaction, 2H2 + O2 → 2H2O 2 moles of H2 reacts with 1 mole of O2 to give 2 moles of H2O

Q: If the reaction N2 + 3 H2 → 2 NH3 is carried out using 1.40 g of N2 and 0.432 g of H2, what mass of…

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Q: a. Piperidine, a starting compound for drugs, consists of C, H, and N. Combustion of such compounds…

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Q: A student does the following reaction 3FeO (s) + 2Al(s) Al,0,(s) + 3Fe(s) How much Al would you need…

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Q: Pure iron, Fe, can be produced from an ore called hematite, Fe, O,, by reaction with carbon at high…

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

A: The balance chemical reaction :  4NH3(g) + 5O2(g) ----> 4 NO(g) + 6H2O(g)  Mass of each reactant…

Q: To obtain bromobenzene, C6H6Br is mixed benzene C6H6, with bromine Br2, according to the reaction:…

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Q: A side reaction in the manufacture of rayon from wood pulp is 3CS2 + 6NAOH → 2N22CS3 + Na2CO3 + 3H2O…

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Q: Leaded gasoline contains an additive to prevent engine "knocking". However, because of the…

A: Given data: Mass of sample = 12.1 g mass of CO2 = 30.2 g mass of H2O = 14.8 g

Q: Adipic acid, H.CeHsO4, used to produce nylon, is made commercially by a following reaction between…

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Q: organic compound containing C, H, and O is burned completely in oxygen, 8.1 g of CO2 and 4.956 g of…

A: Mass of CO2 = 8.1 g molar mass of CO2 = 44.0 g/mol Moles of CO2 = mass/MM    = 8.1/44 = 0.184 mol…

Q: If the reaction N2 + 3 H2 → 2 NH3 is carried out using 1.40 g of N2 and 0.468 g of H2, what mass of…

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Q: 1. Consider the equation 2KOH + H2SO4 → K2SO4 + 2H2O a) If 25g H2SO4 is reacted with 7.7g KOH, how…

A: "Since, you have posted multiple questions, we will solve only first question for you according to…

Q: Thionyl chloride, SOCl2, is a widely used source of chlorine in the formation of pesticides,…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".