1.) According to the following reaction, how many moles of calcium oxide will be formed upon the complete reaction of 31.2 grams of calcium carbonate? calcium carbonate (s) calcium oxide (s) + carbon dioxide (g) 2.) According to the following reaction, how many grams of oxygen gas are necessary to form 0.249 moles water? hydrogen sulfide (g) + oxygen (g) water (l) + sulfur dioxide (g) 3.) According to the following reaction, how many grams of oxygen gas are necessary to form 0.539 moles iron(II) oxide? iron (s) + oxygen (g) iron(II) oxide (s)

Q: 1- An unknown compound has the following chemical formula: P2Ox where x stands for a whole number.…

A: Chemical formulae provide a means of describing any chemical material that uses the symbol of the…

Q: The combustion of ethane (C2 H6 ) produces carbon dioxide and steam. 2C2 H6 (g) + 7 O2 (g) ➡️ 4 CO2…

A: Given,5.40 mole ethane is burned

Q: A common laboratory preparation of oxygen gas is the thermal decomposition of potassium chlorate…

A: Thermal decomposition of KC1O3 KC1O3 (g)  KC1 (g) + O2 (g)     Balance the reaction 2KC1O3  2KC1 (g)…

Q: 4) Nicotine, the stimulant in tobacco, causes a very complex set of physiological effects in the…

A: From the amount of CO2, H2O and N2 formed, we find out the amount of C, N and H present in the given…

Q: I.) Steel wool, which is made of pure iron metal, burns with oxygen gas to produce ferric oxide…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: For the chemical reaction,   CaI2+2AgNO3⟶2AgI+Ca(NO3)2CaI2+2AgNO3⟶2AgI+Ca(NO3)2   what mass of…

A: CaI2       +     2 AgNO3     →  2 AgI +Ca(NO3)2 Double displacement ReactionCalculate 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 common laboratory method for preparing oxygen gas involves decomposing potassium chlorate (KClO3),…

A:

Q: 1. The first thing you've been tasked to do is to create the antacid through chemical reaction and…

A:

Q: Sodium chloride, NaCl, forms by the following reaction between sodium and   a. How many moles of…

A: Given data:  mol of Cl2 = 3.4 Molar mass of NaCl = 58.44 g/mol

Q: composition by mass: C – 8.7 % ; F -13.8 %; Cl – 77.5 % Calculate the empirical formula of CFC11.…

A: 1) First convert mass into mole by dividing molar mass Then divide least value of mole to all values…

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A: Determine number of moles of each reactant: From the balanced equation, it is clear that 1 mol N2O…

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A: In the field of chemistry, the reactions are carried out by using certain reactants to produce the…

Q: 1. Ammonia, NH3, a common fertilizer is made by causing hydrogen (H2) and nitrogen (N2) to react at…

A:

Q: Copper(II) sulphate, CuSO4, is a white crystalline compound that gives an aqueous solution from…

A: The mass of copper(II) sulphate pentahydrate, CuSO4.5H2O is = 1.547 g  The mass of anhydrous of…

Q: How many moles of phosphate ions are present in a sample that contains 2.13 moles of iron(II)…

A:

Q: Hydrogen peroxide H2O2 is commonly used to clean bacteria in scrapes and cuts. It can be used as a…

A: 1 mol of a substance has   6.022×1023 (NA)   atoms/ molecules/ formula units of the substance.Number…

Q: ammonium phosphate (nh4)3po4 is an important ingredient in many fertilizers. it can be made by…

A: Given, the mass of phosphoric acid = 4.98 g The balanced chemical reaction between phosphoric acid…

Q: The Haber-Bosch process involves the combination of nitrogen and hydrogen at high temperatures in…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: In air, nitric oxide gas reacts with oxygen to produce nitrogen dioxide, which appears brown in…

A: Given, Reaction : 2NO(g) +O2(g)⇌2NO2(g) mass of nitric oxide = 0.551 g

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: 4. Consider the following reaction: I2O5 + CO(g) CO29) + I2(9) a. 85 grams of iodine (V) oxide,…

A: Balanced reaction is : I2O5 + 5CO ....> 5CO2 + I2 a) mass of I2O5 = 85g  Molar mass of I2O5 =…

Q: 3N2 (g) + H2(g) ~> 2NH3(g) is the balanced chemical equation for the synthesis of ammonia. If an…

A: Given balanced chemical equation for the synthesis of ammonia is  3N2 + H2 ----> 2NH3 Starting…

Q: Urea, (NH2)2CO 60.06 g/mol, is used as a fertilizer, an active ingredient in skin care lotions, and…

A: The balanced reaction taking place is given as, => COCl2 + 4 NH3 → (NH2)2CO + 2 NH4Cl Given: Mass…

Q: The earth's ozone layer is under attack in part by chlorine released when UV radiation breaks apart…

A: The percentage weight of chlorine in CFC-11 is calculated as

Q: The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a…

A: The given reaction is not balanced. The balanced reaction is as follows. 10 KClO3+3 P4 →3 P4O10 + 10…

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

A:

Q: Consider the following reaction: 4Al + 3O2 ⟶ 2Al2O3 If 7.4 moles of Al are reacted with 9.2 moles of…

A: Given :-  balanced equation :- 4Al + 3O2 → 2Al2O3  number of moles of Al = 7.4 mol number of moles…

Q: Disulfide dichloride (S2C12) is used in the vulcanization of rubber, a process that prevents the…

A: Molar mass of S8=256 g/mol The molar mass of Cl2=71 g/mol The molar mass of S2Cl2=135 g/mol The…

Q: The Haber-Bosch process involves the combination of nitrogen and hydrogen at high temperatures in…

A:

Q: Acrylonitrile (C3 H3N) is the starting material for many synthetic carpets and fabrics. It is…

A: First we have to determine the limiting reagent. Limiting reagent is that which consumed first or…

Q: The Haber-Bosch process involves the combination of nitrogen and hydrogen at high temperatures in…

A:

Q: Ammonium phosphate ((NH4)3PO4) is an important ingredient in many fertilizers. It can be made by…

A: Chemical reaction between phosphoric acid and ammonia is given by:

Q: Ammonium phosphate ((NH4),PO4) (NH3). is an important ingredient in many fertilizers. It can be made…

A: The balanced reaction for the production is  H3PO4 + 3 NH3 -----> (NH4)3PO4  Hence from the above…

Q: 3. Mass Ratio. Hydrogen gas for fuel cells can be made by decomposing methane (CH4), which is the…

A:

Q: 2. Photosynthesis is the process through which water and carbon dioxide are converted to sugar and…

A: Photosynthesis is a mechanism used by plants and other animals to transform light energy into…

Q: A sample of sandstone consists of only silica (SiO2) and calcite (CaCO3). When sandstone is heated,…

A: Given: Mass of sample = 18.7 mg. And mass of CO2 produced = 3.95 mg.

Q: 4. Salicylic acid is an organic compound composed of 61 % C, 7% H, and the rest is oxygen. If 0.218…

A: Given, In salicylic acid; Percent composition of C=61% Percent composition of H=7% Percent…

Q: 1. Ethanol, C2H6O, is added to gasoline to produce ‘gasohol’, a fuel for automobile engines. How…

A: Note : As per our guidelines we are supposed to answer first question. Please repost  other question…

Q: When dinitrogen pentoxide, N2O5, a white solid, is heated, it decomposes to nitrogen dioxide and…

A:

Q: 1. Phosphine, PH3, a reactive and poisonous compound, reacts with oxygen as follows: 4PH3(g) +…

A: The given chemical reaction is: 4PH3 (g) + 8O2 (g) → P4O10 (s) + 6H2O (g) According to the given…

Q: For the following reaction, 2.90 grams of methane (CH4) are allowed to react with 32.5 grams of…

A: The limiting agent in a chemical reaction is the species that exist in smaller moles and controls…

Q: A.) How many Cu atoms are there in a 99.9 gram sample of Cu ? B.) A compound is found to contain…

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Q: A vitamin syrup for infants contains 27.44 mg of zinc sulfate monohydrate (ZnSO4.H2O) and 100.00 mg…

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Q: Nitroglycerin (C3H5N309 ) is a powerful explosive. Its decomposition may be represented by 4C3H5N309…

A: a mole of a substance will always weigh its molar mass at STP   moles =mass takenmolar mass

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A: Nitrogen dioxide reacts with water to form nitric acid. Write the complete reaction.…

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A: Determine number of moles of aluminum:

Q: For the following reaction, 5.63 grams of methane (CH4) are allowed to react with 25.0 grams of…

A: Given information: Mass of methane = 5.63 g Mass of carbon tetrachloride = 25.0 g

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".