34) Aluminum oxide was prepared by heating 225 g of chromium (II) oxide with 125 g of aluminum. Calculate the percent yield if 100 g of aluminum oxide was obtained. 2A1 (s) + 3C1O (s) > Al,0, (s) + 3Cr (s)

Q: How  many grams of  carbon can be formed by heating 10.0 g of    sugar, C 12H 22O 11?   According…

A: C12H22O11 -----------> 12 C    +    11H2O

Q: What is the mass in grams of NO that will be produced from 12.7 g of NO, reacted with excess water…

A: From a balance equation we can calculate the mass of the product .

Q: A student wished to prepare nickel hydroxide according to the reaction. NiCl, + 2 NaOH --> Ni(OH)2 +…

A: Yield is the amount of product formed when one the reactant is completely used up.  The yield of…

Q: 3 Aluminum reacts with an aqueous solution containing excess copper (II) sulfate. If 1.85 g Al…

A: 3. Given :-  Balanced chemical equation :  2 Al + 3 CuSO4 ---> 3 Cu + Al2(SO4)3  amount of Al =…

Q: A student performed the synthesis of aspirin and started with 3.96 g of salicylic acid. The…

A:

Q: 1. Write the balanced equation for the formation of lithium nitride from pure lithium metal and…

A: Limiting reactant :-  A reactant which is present in lesser number of moles than required as per…

Q: The equation for the reaction between sodium hydrogen carbonate and sulfuric acid at room…

A:

Q: Consider the formation of lithium nitride from lithium and nitrogen: 6 Li + N2 → 2 Li3N How much Li…

A:

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

A:

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

A: Mass of Al2O3 = 13 kg Mass of NaOH= 52.4 kg Mass of HF = 52.4 kg

Q: Iron oxide ores, commonly a mixture of FeO and Fe;O,, are given the general formula FeşO, They yield…

A: To balanced the given fist equation we have to make number of each atoms on product side equal to…

Q: Pure iron can be formed from iron ore through the process below. Suppose 158 g of Fe2O3 reacts with…

A: Ratio of experimental yield to the the theoretical yield multiply by 100 is known as percentage…

Q: Zinc reacts with iodine in a synthesis reaction: Zn + I 2 → Zn I 2 .a. Determine the theoretical…

A: Balance the chemical equation Zn +I2  →  Znl2   Given,   Moles of Zn = 1.912 mol   Percentage yield…

Q: Determine the theoretical yield of alum (KAl(SO4)2·12 H2O), in units of g, if a student starts with…

A: The balanced reaction for the formation of alum can be expressed as,                    2 Al (s) + 2…

Q: Calculate the theoretical yield in grams All, from the complete reaction of 18.3 grams Al according…

A: The reaction is 2Al(s) + 3I2(s) = 2AlI3 (s) here we see one mole of Al [MW = 27]  will give one…

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

A: Data given, Mass of Al2O3 (s) = 16.7 kg = 16700 g (1 kg = 1000 g) Mass of NaOH (l) = 56.4 kg = 56400…

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

A: Given that, synthesis of ammonia using Haber bosch process as follows;     N2(g) + 3H2(g)   ---->…

Q: Given the following reaction: 2 Al + 2 KOH + 4 H2SO4 + 22 H20 --> 3 H2 + 2KAI(SO)2•12H20 If you…

A: Aluminium in presence of KOH and sulfuric acid produces an alum.  Here Al is the limiting reagent…

Q: What is the theoretical yield of the reaction of aluminum oxide when 15.0 g of aluminum reacts with…

A: Given, mass of Al = 15.0 g Molar mass of Al = 26.98 g/mol Molar mass of Al2O3 = 101.96 g/mol

Q: The first step in the Ostwald process for producing nitric acid is the reaction, 4NH3(g)+ 5O2(g) =…

A: The balanced chemical equation for the given reaction is, The given weight of ammonia is 150.0 g.…

Q: A chemist reacted 11.50 grams of sodium metal with an excess amount of chlorine gas. The chemical…

A: Given Mass of Na metal = 11.5 g Percentage yield = 85%

Q: Aluminum carbide, Al4C3, is a yellow powder that reacts with water to produce aluminum hydroxide and…

A:

Q: Be sure to answer all parts. Industrially, vanadium metal, which is used in steel alloys, can be…

A:

Q: In the reaction, CuSO4(aq) + 4 NH3(aq) →Cu(NH3)4SO4(aq) a. What is the theoretical yield if 10.0 g…

A:

Q: Calculate the theoretical yield in grams Alls from the complete reaction of 18.3 grams Al according…

A: In given reaction 2 mole of aluminium produce 2 mole of aluminium iodide.

Q: The thermite reaction (shown below) is very important in welding projects and other important…

A: In a chemical reaction, two or more reactants react with each other to form a new substances. This…

Q: : The thermite reaction has been used for welding railroad rails, and to ignite solid-fuel rocket…

A: The thermite reaction occurs as follows: Fe2O3(s) + 2Al(s) → 2Fe(l) + Al2O3(s) 1 mol       2 mol…

Q: Tungsten metal, used in light bulb filaments, is produced from the reaction between tungsten (VI)…

A: Given, Mass of tungsten (VI) oxide, WO3 = 34.5 kg = 34500 g % yield = 75 %

Q: 4) If the actual yield of Cu is the result of the reaction of 8 x 10 mol of CuSO4 with a offer…

A: Given actual yield of Cu = 6 x 10-5 mole Moles of CuSO4 = 8 x 10-5 mole  Given equation is : CuSO4 +…

Q: The solid fuel in the booster stage of the space shuttle is a mixture of ammonium perchlorate and…

A: Consider the given information is as follows; Mass of ammonium perchlorate NH4ClO4 = 5.0×103 kg…

Q: 2. a. What is the theoretical yield if 35.2 g of aluminum reacts with excess sulfuric acid? 2Al(s) +…

A: From the given reaction we see that from 2 mol Al, 1 mol Al2(SO4)3 and 3 moles H2 are produced. 2…

Q: Silicon carbide, commonly known as carborundum, is a very hard and abrasive substance. The compound…

A: Given, Mass of graphite, C = 75.0 g Mass of silicon dioxide, SiO2 = 40.0 g   Moles of C and SiO2 can…

Q: What mass of silver oxide, Ag₂O, is required to produce 25.0 g of silver sulfadiazine, AgC H₂N SO₂,…

A:

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

A:

Q: Calculate the theoretical yield in grams All, from the complete reaction of 113 grams l according to…

A: Theoretical yield is the yield that is calculated theoretically using balanced chemical reaction.…

Q: What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of…

A: Given :  Al + Cr2O3 → Al2O3 + Cr  Amount of Al = 8.00 g  Amount of Cr2O3 = 40.0 g  To calculate :…

Q: Enter your answer in the provided box. Hydrogen fluoride is used in the manufacture of Freons (which…

A: Limiting reagent is defined as the reagent which is completely consumed in the reaction and limits…

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

A:

Q: 10.) If 112 grams of C,H,OH is reacted with 34.7 grams of Phosphorous trichloride based on the…

A: Molar mass of C2H5OH = 46.07 g/mol Molar mass of PCl3 = 137.33g/mol Given mass of C2H5OH = 112 g…

Q: Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows:…

A: The percent ratio of actual yield to the theoretical yield known as percent yield. Mathematically,…

Q: Methyl salicylate (oil of wintergreen) is prepared by heating salicylic acid, C, He Os, with…

A: Given that: Mass of salicylic acid = 1.40 g Mass of methanol = 13.1 g Actual yield of methyl…

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

A: Limiting reagent is the reagent which is consumed in the chemical reaction completely. It decides…

Q: 2 Pb(s) + 0,(g) 2 PbO(s) An excess of oxygen reacts with 451.4 g of lead, forming 302.8 g of…

A:

Q: Of the balanced chemical equations below, which one most correctly represents a combus tion…

A:

Q: Assume that the theoretical yield of iron in the process  was 47.6 g. 3Ba(s) +Fe2O3(s) arrow 3BaO…

A: The answer to the following question is given as:

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

A:

Q: Titanium is a strong, lightweight, corrosion-resistant metal that is used in rockets, aircraft, jet,…

A: Theoretical yield is the maximum yield that can be obtained in a chemical reaction.    The yield of…

Q: CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g).   Calculate the percent yield if the reaction of one mole of…

A: