4. Manganese metal can be prepared by the thermite process: 4Al(s) +3MnO,(s) 3Mn(1)+2A1,0,(s) If 203 g of Al and 472 g of MnO, are mixed, which is the limiting reactant?

Q: In one experiment, 12.0 g of PCl5 was slowly added to 15.0 g of H2O according to the following…

A: The given chemical reaction is  PCl5s + 4H2Ol →H3PO4aq + 5HClg. The mass of PCl5 is 12.0 g. The mass…

Q: You plan to make a buffer solution with sulfurous acid (H₂SO3) and it undergoes dissociation…

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Q: Which ones of the following cannot act as a buffer solution? Select all that apply.. 0.50 M HCN and…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

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A: Given: [HF]=0.452 M[LiF]=0.337 MKa for HF=3.5×10-4

Q: For the reaction below, Kc = 1.10 × 108. Note Kc is sometimes called K. What is the equilibrium…

A:

Q: H₂S and O₂ react according to the equation below. Predict the equilibrium pressure of SO, by…

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Q: Calculate the number of Hions in 8.14 g of SrH₂. Hrdions Enter your answer in scientific notation.…

A:

Q: Report sheet analysis of KCIO3/KCI Unknown substance 1 Mass of empty 400mL beaker 164.93g, Mass of…

A: Mass of empty 400mL beaker= 164.93  g  Mass of 30mL beaker + test tube = 96.181g  Mass of 30mL…

Q: Match the appropriate hybridization schemes with the appropriate electron geometries. sp Choose...…

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Q: A sample of CO2 has a mass of 57.6g. If it is at 195K in a 25.1L what is the pressure in kPa?

A: Given,  Mass of CO2= 57.6g Temperature= 195K Volume= 25.1L Pressure=?

Q: For the equilibrium Bra(g) + Cl₂(g)=2BrCl(g) at 400 K, K, 7.0. Part A 0.54 mol of Bry and 1.23 mol…

A: Recall the given reaction,                           Br2 g + Cl2 g ↔ 2 BrCl g…

Q: Consider the molecule below: H | H-C-F: I :F: Select ALL the intermolecular forces that are expected…

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Q: In terms of molecular orbital theory, a benzene molecule is enormously stable because Select one: O…

A: Here , multiple choice  question

Q: Construct the expression for Kp for the following reaction. C(s) + 2 Cl₂(g) → CCI (g) Drag the tiles…

A: Equilibrium constant at constant pressure, Kp is the product of the partial pressure of the…

Q: 6. You have 3 isomers with the chemical formula of C4H9Br. All of them reacted with the same Nu in a…

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Q: The succinyl CoA to citrate pathway of the citric acid cycle is shown. Identify the missing…

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Q: Solve the Question: - 0.9775 grams of an unknown compound is dissolved in 50.0mL of water.…

A:

Q: A 24.7 mL sample of 0.345 M formic acid (HCHO₂) is titrated with 0.345 M NaOH. Calculate the pH…

A: This question belongs to dynamic equilibrium.

Q: QUESTION 7 The reaction below proceeds via an E2 elimination. Using Newman projections explain the…

A: In a Newman projection, the carbon-carbon bond is viewed end-on, with one carbon atom represented as…

Q: If a student weighs out 0.600 g of potassium hydrogen phthalate (MW 204.22 g/mol) and titrates it…

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Q: тон H2SO4 (con) Д

A: 1st reaction is the type of esterification reaction  And 2nd one is general reaction

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Q: Nitrogen dioxide gas is produced by the reaction of oxygen gas and nitrogen monoxide gas. Write a…

A: Nitrogen dioxide gas is obtained by the reaction of oxygen gas and nitrogen monoxide gas.  NO=…

Q: When the ammonium salt (CH3CH2CH2)3NHCl is treated with NaOH, the products are water, NaCl, and an…

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Q: you didn't transform resonance structure 2 into resonance structure 1.

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Q: The Ksp of beryllium hydroxide, Be(OH)₂, is 6.92 x 10-22. Calculate the solubility of this compound…

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Q: Draw the lowest energy conformer of each of the 5 compounds H OH CH3 OH Į mga on De NC CH3 CI CH3 B…

A: We will draw the lowest possible energy conformers for above 5 compounds.

Q: What is the pH of a solution obtained by dissolving two extra-strength aspirin tablets, containing…

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

Q: Based on the given titration curve, which acid could be involved in this titration? 13E pH 12 11 10…

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Q: Only one rxn occurs which one? I II III CH₂CH₂ 6 . IV NO₂ 0 1= -OH -CH₂ CLI-CH. AICI, -CH₂ AICI…

A: We have to choose which reaction takes place among the given set of reactions.

Q: How much energy is required to decompose 765 g of PCI3, according to the reaction below? The molar…

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Q: Complete the reaction. Add hydrogen atoms and charges to the appropriate atoms. CH3-CH₂- -N-CH3 H H…

A:

Q: Which of the following species is aromatic? I Select one: O A. III OB. I ⒸC. IV OD. II II III >

A: Aromatic species are cyclic, planar and follows (4n+2)π electrons (i.e Huckel's rule)

Q: CH3CH₂CH₂CH=CHCH3

A: IUPAC name comprises,   Prefix + Root Word + Suffix   Prefix : Any branch to the longest chain or…

Q: A solution contains 6.73x103 M potassium hydroxide and 6.64x10-3 M potassium sulfide. Solid…

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Q: Answer the following questions. 1. What is the effective nuclear charge for strontium. Calculation:…

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Q: Which compound engages in an acid-base reaction with water! HC H = HC C = C H A A NH₂ CH B Both A…

A: According to Bronsted Lowry theory, the substance which donates proton is called acid. the substance…

Q: Question 2 Calculate the pH of a buffer solution that is 0.500 M HA and 0.650 M A. K = 8.85 x 104.…

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Q: What is the role of the catalyst in electrophilic aromatic substitution reactions of benzene? O A.…

A: The role of the catalyst in electrophilic aromatic substitution reactions of benzene

Q: 3- Draw the following planes and directions in a cubic unit cell: (001), (011), (113), [110] [201],…

A:

Q: The combustion of propane is as follows: C3H8 + 502 ---> 3CO2 + 4H₂O. What mass of oxygen gas is…

A: Answer: To solve this question we need to use stoichiometric correlation between moles of propane…

Q: Calculate the free energy change and the cell potential for the reaction at 298.0 K if all reactants…

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Q: as the following carbanion aromatic? OA. YES OB. NO -

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Q: Only one rxn occurs which one? I II III IV CH₂CH₂ NO₂ Select one: O A. III B. IV O C. I D. II - + O…

A: We have given decide and explain which among the given reaction happens and why not others.

Q: Skeletal Equation Co³+ (aq) + Mn²+ (aq) → Co²+ (aq) + Mn++ (aq) Which of the following…

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".