A 19.51 ݃ sample of impure methylamine, which contains 72.58% (by mass) of CH3NH2 , is reacted with 30.81 ݃ of pure oxygen gas: 4CHଷNHଶ(g) + 9Oଶ(g) ⟶ 4COଶ(g) + 10HଶO(ℓ) + 2Nଶ(g) 2.1.1 What is the percentage yield of this reaction if 5.54 ݃ of nitrogen gas is collected?

Q: A three-step process for producing molten iron metal from Fe2O3 is: 3Fe2O3 + CO → 2Fe3O4 + CO2…

A: Since CO is present in excess, Fe2O3 is the limiting reagent in the first step. Given mass of Fe2O3…

Q: Another component of acid rain is nitric acid, which forms when NO2NO2, also a pollutant, reacts…

A: The molar mass of NO2 is 46 g/mol So 46g = 1 mole So, 19Kg = 413 moles.

Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

A: The reaction of NaOH with HBr is as follows NaOH. + HBr-------->>> NaBr +H2O So one mole of…

Q: The gre ench chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by doing a…

A: According to ideal gas law the volume of a gas is directly proportional to the number of moles of…

Q: The reaction of iron (III) oxide reacts with carbon to produce iron metal and carbon dioxide. What…

A:

Q: A student was synthesizing Aspirin (C9H8O4) in the laboratory produced by the reaction of salicylic…

A: b. Mass of salicylic acid is 4 g. Molar mass of salicylic acid is 138.1 g/mol.

Q: Urea (CH4N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with…

A: Theoretical yield of Urea can be calculated as(137.2 kg NH3) / (17.04 g NH3/mol) = 8.0516 kmol…

Q: 2. An important source of hydrogen and oxygen, used as rocket fuels, is the decomposition of water…

A:

Q: A pure sample of Epsom salt was oven dried and loss 51.17% of its mass due to loss of water of…

A: To calculate the mole ratio, we would first calculate moles of both magnesium sulfate and water in…

Q: The reaction of 7.71 x 103 g of titanium (IV) chloride gas with 1.45 x 103 g of oxygen gas produces…

A: Titanium chloride reacts with oxygen to give titanium oxide and two moles of chlorine gas.

Q: 717.7 grams of isomaltitol, C12H24O11, was combusted in a furnace completely in an excess oxygen.…

A:

Q: Gaseous ethane CH3CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and…

A: Given,

Q: One process for the commercial production of baking soda (sodium hydrogen carbonate) involves the…

A: Baking soda is also known as sodium bicarbonate. It is a versatile ingredient as it has many uses…

Q: 3) When acetic anhydride is dissolved in water, it forms acetic acid according to the balanced…

A:

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

A: Given  Mass of TiCl4   =  3.54 × 107 gram  Mass of Mg     =  1.13 × 107 gram  Actual yield of Solid…

Q: Combustion of hydrocarbons such as butane (C H10) produces carbon dioxide, a "greenhouse gas."…

A: Since the hydrocarbons are mainly composed of C and H-atoms, therefore, their complete combustion in…

Q: Solid diiodine pentoxide is used in respirators to remove carbon monoxide from air. The reaction…

A: We have to predict the mass of CO  as well as mass of I2 .

Q: Potassium chromate, a bright yellow solid, is produced by the reaction of solid chromium ore…

A: We are given that the mass of used FeCr2O4 = 169 g and mass of K2CO3 used = 298 g and mass of O2…

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

A: Given: Mass of N2H4= 1.00×102 = 100.0 g Mass of N2O4 = 2.00×102 = 200.0 g Mass of N2(actual yield) =…

Q: For the reaction 5.31 grams of iron (iii) ocide are moxed with excess hudrochloroc acid. The…

A: The correct answer is given below

Q: The refining of aluminum from Bauxite ore (which contains 50.% Al2O3 by mass) proceeds by the…

A: The number of moles of a species is calculated by the expression (1) in which n is the number of…

Q: Nitrobenzene, CH,NO,, is an important raw material for the preparation of dyes. It is prepared from…

A:

Q: When benzene (C6H6) reacts with bromine (Br)2, bromobenzene(C6H5Br) is obtained:C6H6 +…

A: Given: mass of benzene (C6H6) = 30.0 g mass of bromine (Br2) = 65.0 g actual yield of bromobenzene…

Q: A scientist conducted an experiment of magnesium nitride, Mg3N2 reacts with excess water to produce…

A: Number of moles = given mass/ moler mass

Q: Gaseous ethane  CH3CH3  reacts with gaseous oxygen gas  O2  to produce gaseous carbon dioxide…

A: Moles of ethane and Oxygen are calculated for the given reaction as follows,

Q: If the theoretical yield for the synthesis of the pain reliever acetaminophen in a reaction was…

A: Recall the expression for percentage yield Percentage yield=amount of acetaminophen recovered during…

Q: Thermite welding is an exothermic reaction, which produces molten iron that permanently binds metals…

A: Given information: Grams of aluminium = 55 g Grams of ferric oxide = 75 g

Q: What is the theoretical yield of aspirin (C9H8O4) in grams? If mass of salicylic acid used is 2.998…

A: Given : Moles of salicylic acid used = 0.0217 mol.

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: Aspirin, acetylsalicylic acid (C9H8O4), is produced by the reaction of salicylic acid (C7H6O3) and…

A: The required equation is given below.

Q: 3. Titanium is a strong, lightweight, corro sion-resistant metal that is used in rockets, aircraft,…

A: According to the given reaction, one mole of TiCl4 reacts with 2 mole of liquid Mg to produce one…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,O,) and acetic anhydride…

A: Consider the balanced equation is as follows; Reaction:       C7H6O3     +    C4H6O3     →…

Q: Liquid octane (CH (CH, CH; reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide…

A: The given data is as follows: The mass of octane = 60.5 g The mass of oxygen gas = 424 g The…

Q: Gaseous methane  CH4  reacts with gaseous oxygen gas  O2  to produce gaseous carbon dioxide…

A: The balanced chemical reaction between methane and oxygen is shown below.

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

A:

Q: The theoretical yields =    What are the percentage yields of our experiment? the percentage…

A: Two mole of salicylic acid reacts with one mole of acetic anhydride to give two mole of acetyl…

Q: "Smelling salts," which are used to revive someone who has fainted, typically contain ammonium…

A: When stoichiometric coefficient results in the equal number of atoms of each element on both the…

Q: If you start with a mixture of Nacl and KClO3 that weighs 3.00g, and the mass of the sample…

A: Given, The mixture of NaCl and KClO3. Weight of the mixture is ---- 3.00g The mass of the sample…

Q: Aspirin can be synthesized in the lab by combining salicylic acid (C,H,O,) and acetic anhydride…

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

Q: Combustion of hydrocarbons such as nonane (C,H20) produces carbon dioxide, a "greenhouse gas."…

A: When a hydrocarbon reacts with oxygen then, it will form carbon dioxide and water and liberate huge…

Q: Aspirin is produced by the reaction of salicylic acid and acetic anhydride.…

A:

Q: n the synthesis of aspirin experiment, a student reacted 0.987 g of salicylic acid (C7H6O3) with…

A: Given that,mass of salicylic acid = 0.987 gMolar mass of salicylic acid = 138.121 g/molvolume of…

Q: If the reaction is carried out using 2.00g of CaCl2 and 1.91g of Na2CO3, what is the limiting…

A: Reaction: CaCl2 + Na2CO3 → CaCO3 + 2NaCl 1 mol     1 mol         1 mol      2 mol The molar mass of…

Q: An ore sample is known to contain copper sulfate pentahydrate, CuSO4•5H2O. If a 10.392 g sample of…

A:

Q: 2. Early rockets used a fuel composed of hydrazine (N2H4) and dinitrogen tetraoxide (N204), which…

A: Given: The mass of N2H4 is 1.00×102 g. The mass of N2O4 is 2.00×102 g.

Q: 7. Solid diiodine pentoxide is used in respirators to remove carbon monoxide from air. The reaction…

A: The question clearly mentions that diiodine pentoxide is used in respirators to remove Carbon…

Q: If 9.9 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, what is the mass in kg of CO₂…

A: 1 mole of a substance has 6.022 ×1023 atoms or molecules. The mass of 1 mole of a substance is equal…

Q: Oxygen bleach acts in the release of oxygen which best works in hot water mixture. Which of the…

A:

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".