A reaction mixture is prepared containing 1.20g of Al and 0.80 g of MnO2. After the reaction is completed 0.5g of Mn is produced. According to the Law of conservation of Mass, how much Al2O3 must be produced ?    4Al +3 MnO2 --> 3 Mn + 2Al2O3

Q: CaO + CO2 = CaCO3. A chemist allows 14.4g of CaO and 13.8g of CO2  to react. When finished he…

A: CaO+CO2 ⇌CaCO3   14.4 g  13.8 gm    mass=?n=14.456.07        13.844  =0.25 moles =0.31 ,oles↓less…

Q: The decomposition of KClO3 is commonly used to prepare small amounts of O2 in the laboratory: KClO3…

A: Given  Reaction  KClO3   →  KCl + O2 Mass of KClO3   = 4.50 gram  Mass of O2        =  ?

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: During a lab preparation of aspirin, a student used 1.92 g of salicylic acid and an excess amount of…

A: The given data is as follows: The mass of salicylic acid = 1.92 g The mass of aspirin produced =…

Q: The fizz produced when an Alka-Seltzer tablet is dissolvedin water is due to the reaction between…

A:

Q: Silver is often extracted from ores such as K[Ag(CN)2] and then recovered by the reaction 2K [Ag(CN)…

A:

Q: you mix 13.4 mL of 0.320 M solution of K2CrO4 with 44.8 mL of a 0.320 M solution of AgNO3, what mass…

A:

Q: 18. The mass (in grams) of carbon dioxide that can be formed from the complete combustion of 0.377 g…

A: At first, the reaction needs to be balanced. Then using the reaction stoichiometry and mole concept,…

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

A:

Q: Ammonia can also be synthesized by this reaction: 3H2(g)+N2(g) → 2NH3(g)3H2(g)+N2(g) → 2NH3(g)…

A: The given reaction is ,                                    3H2(g)+N2(g) → 2NH3(g) Clearly, from the…

Q: The smell of a burning match is due to the formation of sulfur oxides. We can represent the relevant…

A: The given reaction is: S+O2→SO2......(1) The mass of sulfur burned is 4.8 g.

Q: Urea (CH,N2O) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with…

A: %Yield = (Obtained amount/calculated amount)x 100 Number of moles = Mass/molar mass Given that:'…

Q: Adipic acid, H2C6H8O4, used to produce nylon, is made commercially by a reaction between cyclohexane…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: 1.98 gg H2H2 is allowed to react with 9.76 gg N2N2, producing 1.95 gg NH3NH3. Part A What is the…

A: Answer :- So Below I have explained detailed solution. Hope this will really help you !!!!!   So…

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

A: The given reaction is,                       4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g) Clearly, from…

Q: For the balanced chemical reaction 4Al + 3O2 → 2Al2O3 how many moles of Al2O3 can be made by…

A:

Q: Anhydrous CuSO4 can be used to remove water (an impurity) from gasoline. When the CuSO4 absorbs the…

A: Reaction corresponding to absorption of water by copper sulfate is: CuSO4+5H2O→CuSO4.5H2O Hence, 1…

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

A: Given: Mass of MnO2 = 41.3g Mass of HCl = 44.3g Molar Mass of MnO2 = 86.84 g/mol Molar Mass of HCl =…

Q: The following reaction is known as the Haber Process. It is commonly used to make ammonia (NH3) for…

A:

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

A:

Q: 1. How many moles of Al are necessary to form 76.2 g of AlBr₃ from this reaction: 2 Al(s) + 3 Br₂(l)…

A:

Q: In the reaction shown, 95.9 g salicylic acid, C7H6O3 , reacts with excess acetic anhydride, C4H6O3 ,…

A: We have to calculate the percentage yield.

Q: You carefully weigh out 11.00 g of CaCO3 powder and add it to 44.55 g of HCl solution. You notice…

A: CaCO3(s)+2HCl(aq)→H2O(l)+CO2(g)+CaCl2(aq) according to mass conservation, mass of reactant=mass of…

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

A: Chemical Reaction Involved: 4NH3(g) + 7O2(g) ------->  4NO2(g) + 6H2O(g)

Q: Methylbenzene (toluene), C6H5CH3(l), is a common paint thinner. It can be prepared from benzene,…

A: From given  Initially we are calculating theoretical yield (masa) of toluene from moles of toluene…

Q: 19) 1 FeCl2(aq) + 2 KOH(aq) 1 Fe(OH)2(s) + 2 KCI(aq) How many moles of KOH will react with 86.2…

A: Since you posted multiple parts so I will be solving the 4 parts by unitary method.

Q: 1.90 gg H2H2 is allowed to react with 9.94 gg N2N2, producing 2.98 gg NH3NH3.   What is the…

A:

Q: What mass of CO is required to react with 25.13 g of Fe2O3 according to the equation Fe2O3 + 3CO…

A: Given  Reaction  Fe2O3  + 3CO  → 2Fe  +  3CO2 Mass of Fe2O3  = 25.13 gram  Mass of CO = ?

Q: calculate the masses of both reactants and products assuming a 100% reaction. Na3PO3 +…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

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

A:

Q: 6. While investigating mole ratios, a group of students collected data for the following chemical…

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

Q: Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion…

A: In the above question chemical reaction given which is represented by equation 1According to it 2…

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

A: First convert mass into mole by diving molar mass respectively Then Calculate limiting reagent by…

Q: A chemist carries out this reaction, starting with 30.5 g of C6H6 and an excess Br2: C6H6(l) + Br2…

A: A numerical problem based on theoretical yield, which is to be accomplished.

Q: For the balanced reaction      Mn2(SO4)5(aq) + 10LiOH(aq) --> 2Mn(OH)5(s) + 5Li2SO4(aq) how many…

A: The question is based on the concept of reaction stoichiometry. Where to calculate mass of lithium…

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

A: Given percentage yield is 80.7

Q: calculate the masses of both reactants and products assuming a 100% reaction. Mg(NO3) 2 +…

A: The given balanced chemical reaction is: 3Mg(NO3)2 + 2AlCl3  →  3MgCl2 + 2Al(NO3)3    The given mass…

Q: 1.14 g H2 is allowed to react with 10.2 g N2 producing 1.08 g NH3 What is the theoretical yield in…

A: The reaction to produce NH3 is as follows: N2+ 3H2   →  2NH3 The mass of H2=1.14 g The mass of…

Q: Consider the following reaction: 2C8H18(l)  +  25O2(g)  -->  16CO2(g)  +  18H2O(l)          How…

A:

Q: Coal gasification is a process that converts coal into methane gas. If this reaction has a…

A: If the percent yield is 88.5 % 2 C(s) + 2 H2O(l) --> CH4(g) + CO2(g) Mass of Carbon = 1070 g…

Q: Copper (II) oxalate tetrahydrate can be produced by the reaction of copper(Il) chloride tetrahydrate…

A:

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

A:

Q: sodium metal reacts with water according to the following reaction 2Na(s)+2H2O (l)-->2NaOH(aq)+…

A:

Q: 2CO(g)+O2(g) -----> 2CO2(g) Given an initial mass of 11.35g CO an excess of O2 and assuming that…

A: Mass-mass relationship  :-In these problems, the mass of one of thereactants/product is to be…

Q: A sample of sodium carbonate, Na2CO3. weighs 11.0 g. Calculate the following quantities. (a) moles…

A: The moles of the substance can be expressed as the ratio of the mass of the substance to the formula…

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

A: Given, 82.1 g of iodine, I2

Q: Ammonia, NH3, can be synthesized by this reaction: 2 NO(g) + 5 H2 (g) ----------→ 2 NH3 (g) + 2 H2O…

A: The balanced reaction taking place is given as, => 2 NO (g) + 5 H2 (g) ---------> 2 NH3 (g) +…

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…