According to the following reaction, how many moles of mercury will be formed upon the complete reaction of 0.450 moles mercury(II) oxide? mercury(II) oxide (s) →mercury (1) + oxygen (g) moles mercury

Q: You start with 265.0 mg of ammonium sulfate dissolved in water, and react it with excess lead(II)…

A: Ammonium sulfate, being salt of strong acid and weak base, dissociates in water as,  NH42SO4↔2NH4+…

Q: standard galvanic cell is constructed with Hg²* Hg and Br, Br half cell compartments onnected by a…

A:

Q: What is the mass in grams of H₂ that can be formed from 54.6 grams of NH3 in the following reaction?…

A: Given that the mass of ammonia is 54.6 g which decomposes to form nitrogen gas and hydrogen gas. The…

Q: According to the following reaction, how many moles of bromine will be formed upon the complete…

A:

Q: 2 Al + 3 Cl2 2 AlCl3   Aluminum reacts very vigorously with chlorine. 0.674 moles of chlorine will…

A: The moles of product produced = 0.449 mol The moles of aluminium metal needed  = 0.449 mol

Q: Calculate how many moles of Ca(OH)2 are needed to produce 4.8 x 1024 NH3 molecules

A:

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

A: The reaction can be written as follows:The given mass of HBr = 69.6 gThe given mass NaOH = 45. g The…

Q: Sucrose (C₁₂H₂₂O₁₁) is combusted in air according to the following reaction: C₁₂H₂₂O₁₁(s) + O₂(g) →…

A: Given :  Mass of sucrose = 35.4 gram  Molar mass of sucrose = 342 gm/mole

Q: According to the following reaction, how many grams of mercury(II) oxide are needed to form 29.4…

A: We have the reaction of mercury(II)oxide, 2 HgO  → 2Hg + O2 we need to calculate mass of HgO…

Q: What is the mass in grams of H2 that can be formed from 44.8 grams of NH3 in the following reaction?…

A: The given reaction shows that two moles of ammonia reacts to form three moles of hydrogen and one…

Q: The reactant side of a balanced chemical equation is shown below. C₃Hg +50₂ → How many oxygen atoms…

A: Given reaction :  C3H8 + 5O2 ==>

Q: 4 KO₂ (s) + 2 CO₂(g) → 2 K₂CO₃(s) + 3 O₂(g) The theoretical yield for the reaction is 0.319 g O₂.…

A: Theoritical yield of reaction = 0.319 g percent yield of reaction =  83.4%   We know , Percent yield…

Q: The following reaction describes the production of elemental sulfur. Calculate the mass of elemental…

A: Given- Weight of dihydrogen sulphide =15.39 g  H2S(g)+O2(g) -> S8(s) + H2O(g)

Q: A mixture is 19.9% NaCl, 21.0% CaCl2, and 59.1% NaBr. What mass of the mixture contains 0.485 moles…

A: mass of the mixture that contains 0.485 moles of chloride ions moles of sodium ions present in 24.0…

Q: What mass of each product is expected when a 6.40 g sample of pure carbon is burned under each of…

A:

Q: Sand is mainly silicon dioxide. When sand is heated with an excess of coke (carbon), pure silicon…

A: Given : Silicon dioxide reacts with coke i.e carbon to produce silicon and carbon monoxide. Hence…

Q: Combustion of a hydrocarbon in a limited supply of air produces CO in addition to CO2 and H2O. When…

A: Given data :

Q: What's. H2O name ?

A: Water is a common name for H2O  Water is contains two hydrogen atoms and one oxygen atom.

Q: How many moles of Al are necessary to form 67.8 g of AlBr₃ from this reaction: 2 Al(s) + 3 Br₂(l) →…

A: Molar mass of Al=26.98 g/mol Molar mass of Br2 =159.808  g/mol The molar mass of AlBr3 =266.69 g/mol…

Q: For the chemical reaction 2KI+Pb(NO3)2-->PbI2+2KNO3 what mass of lead (ii) is produced from 1.13…

A: Given: Moles of KI = 1.13 g Molar mass of PbI2 = 461.01 g/mol

Q: What is the mass in grams of H₂ that can be formed from 70.4 grams of NH₃ in the following reaction?…

A: Given, 70.4 grams of NH₃

Q: sample containing 58.51g manganese (Mn

A: We have to calculate the actual yield

Q: Aluminium metal reacts with sulphuric acid, H2SO4, to yield aluminium sulphate and hydrogen gas.…

A: Aluminium metal reacts with sulphuric acid, H2SO4, to yield aluminium sulphate and hydrogen gas. The…

Q: Consider the combustion of methane.   CH4(g)+2O2(g)→CO2(g)+2H2O(g)  Suppose 2.5 mol  of methane are…

A: Given:Moles of CH4 = 2.5 mol.Moles of O2 = 3.5 mol.

Q: A chemist weighs 50.0 grams of solid Mg(OH)2. How many moles of Mg(OH)2 are in the sample? How…

A: Given :-  Amount of Mg(OH)2 = 50.0 g  To Calculate :-  No.of moles of Mg(OH)2  No.of formula units…

Q: According to the following reaction, how many moles of carbon dioxide will be formed upon the…

A: When an element or compound reacts with oxygen and it leads to the formation of heat and light then…

Q: consider the following balanced equation. N2O4(l) + 2 N2H4(l)  →  3 N2(g) + 4 H2O(g) Determine the…

A: Given, N2O4(l) + 2 N2H4(l)  →  3 N2(g) + 4 H2O(g) Given, mass of N2O4 react = 60.0 g mass of N2H4…

Q: Fe₂O₃(s) + Al(s) → Fe(l) + Al₂O₃(s) calculate the moles of Fe₂O₃ that will be required to produce…

A: The balanced chemical equation for the reaction between Fe2O3 and Al is: Fe2O3(s) + 2Al(s) → 2Fe(l)…

Q: What is the mass in grams of H₂ that can be formed from 43.6 grams of NH₃ in the following reaction?…

A: Molar mass of NH3 = Atomic mass of N + H x 3                                = 14 g/mol + 1 g/mol x 3…

Q: Sucrose (C₁₂H₂₂O₁₁) is combusted in air according to the following reaction: C₁₂H₂₂O₁₁(s) + O₂(g) →…

A: Given - Un - Balanced Chemical equation is -  C₁₂H₂₂O₁₁(s) + O₂(g) → CO₂(g) + H₂O(l)    The balanced…

Q: What is the mass in grams of NO that can be formed

A:

Q: According to the following reaction, how many moles of calcium oxide will be formed upon the…

A: Given reaction -- CaCO3 ----> CaO + CO2

Q: What mass of carbon dioxide is produced from the complete combustion of 3.20×10−3 g of methane?…

A: Given, Mass of methane (CH4) gas react = 3.20 × 10−3 g  mass of carbon dioxide (CO2) gas produced =…

Q: According to the following reaction, how many moles of hydrogen gas will be formed upon the complete…

A: The balanced reaction taking place is given as, 2 H2O (l) ------> 2 H2 (g) + O2 (g)

Q: 3 FeS2   +  11 O2   →  Fe3O4   +  6 SO3 75 g of iron sulfide was added to a vessel containing 200 g…

A: As per our guidelines, I can answer only first question. Because you have posted multiple questions.…

Q: Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate,…

A: Given -> 2KClO3 ----> 2KCl + 3O2 ----(1) Weight of KClO3 = 73.9 gm

Q: What is the mass in grams of NO that can be formed from 4.96 moles of NO, in the reaction below? 3…

A: The balanced chemical reaction is, 3NO2 + H2O <=> 2HNO3 + NO

Q: How many moles of Al are necessary to form 28.6 g of AlBr₃ from this reaction: 2 Al(s) + 3 Br₂(l) →…

A: Given , mass of AlBr₃  = 28.6 g Thus, moles of AlBr₃  = mass of AlBr₃ molar mass of AlBr₃  = 28.6…

Q: How many molecules (not moles) of NH3 are produced from 7.42×10−4 g of H2?

A: To obtain the number of molecules, first of all the reaction for the production of NH3 should be…

Q: Potassium chlorate (KClO3) decomposes to KCl and O2. Determine the mass of O2 obtained from the…

A:

Q: What is the mass in grams of H₂ that can be formed from 55.6 grams of NH₃ in the following reaction?…

A: Mass of NH3= 55.6gm Mole of NH3= 55.6÷17= 3.27 Apply mole-mole relationship. Mole of H2=3.27×3/2=…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.