What is the mass to mass stoichiometry of:  CaS5 + 2HCl → 4S + CaCl2 + H2S with mass given in the attached photo

Q: The general formula for the alkynes is CnH2n-2 O True O False

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Q: Write the formula of an alkene containing 13 carbon atoms. Answer:

A: General molecular formula for alkene is CnH2n where n is no. of atoms of carbon. Here no. of catbon…

Q: 100 mol of oxygen is mixed with 300 mol of nitrogen at SATP (T = 298.15 K, P = 105 Pa). Calculate…

A:

Q: Problem The change of the molar enthalpy (AHM J / mol) of the Zn-Cd alloy with wwwwwww the molar…

A: Xzn = 0.6  ∆T = 700°c  ∆Hm at 0.6 = 2000 J/mol

Q: How to plot Txy diagram for p-xylene and benzene mixture at the pressure of 95 kpa

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Q: At STP conditions which of the following gases would have the highest average molecular speed? a. H2…

A: STP condition means , P = 105 Pa T= 273 K V= 22.4 liter  n= 1 mole average molecular speed ?

Q: Write a balanced nuclear equation for the following: The nuclide polonium-210 undergoes alpha…

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Q: This problem is (13.11) from a book  "Thermodynamics and Statistical Mechanics An Integrated…

A: Let,     N1 be number of polymer molecules and     N2 be the number of solvent molecules.    M be…

Q: 11.8. Find all stability criteria that are first violated for a ternary system of components 1, 2,…

A: The general stability criteria for the second derivative of thermodynamic potentials a shown below:

Q: Explain why the chemicalproperties of elements are largelydetermined by the number ofvalence…

A: It is to be mentioned why the chemical properties of elements are related to the valence electrons.

Q: The values of K for the adsorption of CO on charcoal are 2.5 × 103 Torr¹ at 273 K and 3.7 x 10³ Torr…

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Q: A new structural application uses partially stabilized zirconia with equimolar (equal molar amounts)…

A: For a 5wt% CaO, we use the below equation

Q: What is the approximate H-C-O bond angle in formaldehyde, O a. 120 degrees O b. 109 degrees С. 180…

A: The angle formed between two covalent bonds that originate from the same atom is called as bond…

Q: How would you confirm the presence of the geometry of the rhodium complex in the solid and liquid…

A: Geometry of complexes is predicted from the co-ordination number of complexes. If the co-ordination…

Q: What advantages do the Maxwell–Stefan relations provide for multicomponent mixtures containing…

A: The advantages of the Maxwell-Stefan relation over the Fick's law are to be mentioned.

Q: What is the molal boiling point constant for water, in oC per molal?

A: Molal boiling point of water is asked.

Q: The element whose electron configuration is represented by [Ne] 352 3p1 is O sodium i: magnesium O…

A: Given Electronic configuration: [Ne]3S2 3P1 Element =?

Q: β-decay of 40K , a naturally occurring rare isotope of potassium responsible for some of our…

A: In order to gain stability, an unstable atom undergoes radioactive decay. During the decay of an…

Q: What is the molar solubility (in mol L-1) of a salt with general molecular formula MX (where M is a…

A: Given, Ksp of MX = 4.46 x 10-5

Q: The benzene (1) / toluene (2) mixture is found at 101.3 kPa. Assuming Raoult's law behavior,…

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Q: What is High Temperature Hydrogen Attack (HTHA), and what are the T, P and compositions of…

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Q: In which of the following molar quantities of sulfur would 1.475 x 10 atoms of sulfur be present…

A: The atoms of sulfur given are = 1.475×1024 atoms Avogadro's number states that, one mole of any…

Q: What mass of antimony crystallizes from 20 kg of Pb-Sb melt containing 35 mass % Pb after cooling to…

A: Given, The mass of the mixture is 20 kg. The mass % of Pb is 35%.   The melting point of Pb is 327…

Q: If a single particle in a 4 mM pure ideal gas collides with an average of 35 other particles every…

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Q: This problem is (12.25) from a book  "Thermodynamics and Statistical Mechanics An Integrated…

A: It is given that when mole fraction of specie 1 is approaches to 1 then it follows Raoult’s lawSuch…

Q: Data for the next problems A commercial adsorbent can remove impurities from amyl acetate that meets…

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Q: Write a balanced nuclear equation for the following: The nuclide uranium-234 undergoes alpha…

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Q: Question) Draw the following by the Chemdraw and write the Molar Mass? Amino-5-nethylnaphthalene

A: 2-amino-5-methylnaphthalene = molar mass = 157.212 g/mol 2,5-Diaminotoluene = molar mass = 122.168…

Q: Determine the range of mean density of a mixture of air in a 50:50 oil-water liquid phase across a…

A: Given Data:

Q: Under the Born-Oppenheimer approximations, write out the electronic Hamiltonian for the BeH3+

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Q: A four component mixture of ethylbenzene (z1=0.06, α1=1.25), p-xylene (z2=0.40, α2=1.15), o-xylene…

A: A mixture of four species is to be separated in a distillation column.

Q: 4-Using Hammett equation, calculate the relative acidity of each of the following: 1.…

A: Hammett equation which is mentioned in question is given as follows-  logKKo=σρ where, K =…

Q: Question) Draw the following by the Chemdraw and write the Molar Mass?

A: 3-nitro-2,4,6-trimethylaniline = molar mass = 135.21 g/mol

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. e+ At 218 85

A: To fill in the nuclide symbol for the given nuclear equation

Q: 2) Kinetic molecular theory equation Prove the kinetic molecular theory equation shown as PV="Mc-…

A: Hi, thank you for posting the question. Although it is asked to start from the ideal gas law, it is…

Q: 2. What are the Miller indices of plane stu? [001] [OTO] [100] [010]

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Which of the following staternent is true for copolymers according to the figure?

A: This is a question from polymer science. Homo-polymers are those polymers which contains only one…

Q: Which of the following molecule/s shows paramagnetism? O A. H2 O B. C2 C. 02 O D. F2 O E. none of…

A: This question is related to the molecular orbital theory. We will analysis every option and explain…

Q: Calculate the energy of 3s orbital in He+ ion. Compare it to energy of 3p. Giver E= -1312/n2 KJ/mol…

A: Given energy is E = -1312n2 kJ/mol   .......(1)   Where, n is the shell number. In 3s orbital, the…

Q: alculate the solubility of MnCO3 (in mol/L) in the following. Assume the Ksp of MnCO3 = 1.8 x 10-11.…

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Q: what is the valence shell electron configuration of the halogens? ns? np6 O ns O ns? O ns? np3 O ns?…

A: Halogens are group 7 elements, the elements present  include fluorine chlorine bromine and iodine.…

Q: The general Ksp expression in terms of "S" (molar solubility) of FePO4 is: Select one: a. 10885 O b.…

A: Write the reaction for the dissociation of FePO4 as follows: FePO4  → Fe3+ + PO43- One mole of FePO4…

Q: Cu has F.C.C structure, lattice parametres of 0. 3615 nm, 83.7 kj / m is requried to produce…

A: Given that, copper (Cu) crystallizes in face centered cubic (FCC) lattice. Lattice parameter, edge…