Enter a balanced chemical equation for each of the following. Aqueous hydrochloric acid reacts with solid manganese(IV) oxide to form aqueous manganese(II) chloride, liquid water, and chlorine gas. Express your answer as a chemical equation. Identify all of the phases in your answer.

Q: Determine the number of moles of H in each sample. 8.11 mol NH3 to mol

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Q: Determine the number of moles of HH in each sample.   4.70 mol H2O to mol

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: H3CO

A: Resonance means we have to transfer the charge with the pi bond present in the ring.

Q: 2) Describe the different chemical and physical methods of preparing nanomaterials. Give their…

A: Different  chemical and physical  methods of preparing  nanomaterial.  There merit and demerits

Q: . The reaction given below was found to be first-order with a rate constant of 1.70 x 10-³ s-¹. If…

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Q: A metal pellet with a mass of 50.0 g, originally at 85.0 °C is dropped into 150.0 g of water…

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Q: The subatomic particle that is correctly paired with its electrical charge is: A) proton; negative.…

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Q: How many double bonds are present in Yellow No. 6? (Include the S=O double bonds).

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Q: Show that Thomson's atomic model cannot explain Rutherford's experiment

A: According to Thomson's plum pudding atomic model, the mass of an atom is uniformly distributed…

Q: Consider the hypothetical reaction A + B + 2C 2D + 3E where the rate law is Δ[Α] At = An experiment…

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Q: In one of the boxes below, draw the Lewis structure of C2H6

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Q: 2. The table shows inforr Fraction gases naphtha kerosene gas oil residue a) What is the fraction…

A: Boiling point: The boiling point can be defined as the temperature at which liquid will change its…

Q: Choose the reagent that can accomplish the following transformation: 1) BH3 2) NaOH/H₂O2/H₂O H₂/Pd…

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Q: 7. Which of the following statement(s) is/are correct? (1) (ii) At the Boyle temperature a real gas…

A: At boyle's temperature a real gas behaves as ideal gas for wide range of pressure. True Ethene have…

Q: What is the osmotic pressure of a solution with a molarity of 0.884 M at 16oC?

A: Given data :  1. Concentration (C) =0.884 M  2. Temperature (T) = 16oC = 16 + 273 = 289k

Q: How many atoms are in a 3.56 g sample of Cu?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: CI H-CI b) CI

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Q: 2. Compute the pH of a 10-22 M solution of HNO₂.

A: Dear student since you have posted multiple questions . we are allowed to solved the first question…

Q: Ethylene and chlorine react to form ethylene dichloride, like this: CH₂CH₂(g) + Cl₂(g) →…

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Q: Q46: Is the molecule chiral? Does it contain planes of symmetry? Bril.. "Br

A: plane of symmetry is the plane which separate the molecule into two equal half .

Q: Enter your answer in the provided box. The reaction between nitric oxide (NO) and oxygen to form…

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Q: 3. Diamonds are measured in units called a carat. One carat equals 200 mg. If a diamond is 0.600…

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Q: 10.32 Calculate the [OH] of each aqueous solution with the following [H₂O¹]: a. oven cleaner, 1.0 ×…

A: 10.32) The reaction between H+ and OH- concentrations is given by the following equation [H+][OH-] =…

Q: 1) For each condensed or skeletal structure below: A. Draw a complete Lewis structure. Note: show…

A: A Lewis Structure is a simplified representation of the valence shell electrons in a molecule. It is…

Q: Why are there two MHCL variables? Surely that's a typo and the second is meant to be MMgOH(2) ?

A: In this question, we have to solve the doubt regarding the preceding question.

Q: 10.32 Calculate the [OH] of each aqueous solution with the following [H₂O*]: a. oven cleaner, 1.0 ×…

A: Given data : [H3O+] of  a. oven cleaner, 1.0 × 10-12 M b. milk of magnesia, 1.0 × 10-9 M c. aspirin,…

Q: Say 0.0101 moles of gas in a car engine cylinder under a pressure of 608 kPa at 606 K expands…

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Q: 1. In the provided table, identify the IMF present in each compound shown. (Answers can be…

A: Intermolecular force: The attracting and repellent forces that develop in between molecules of a…

Q: (a) p(Br2) = 1.84 atm, p(Cl2) = 7.24 atm, p(BrCl) = 16.8 atm; this reaction: does which one of…

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Q: Chemistry PLEASE HELP! THANK YOU 1. Define hydrate. 2. Name each of the following hydrates.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: why are pH measurements significant upon studying chemistry? How will it benefit us?

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Q: Please add any missing charges to the molecules below. :OH HÖNH3 -Determine the chemical formula and…

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Q: Briefly explain the techniques of catalyst characterization: c) FT-IR of solids with pyridine…

A: Infrared spectroscopy is a technique which deals with the analysis of a molecule when it reacts with…

Q: How to do synthesis for this problem

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Q: lower higher A solution of 3.2 M HI has a dissolving 145 g of NaI in water to make 150 mL of…

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Q: with a model of methane (CH4) can the mirror image be superimposed on the original (in regard to…

A: with a model of methane (CH4) can the mirror image be superimposed on the original (in regard to…

Q: H3C HC. CH₂ H3C -CH₂ HC CH3 CH CH H3C CH₂ CH

A: Common name of organic compound.

Q: The unbalanced reaction for the combustion of pentane (C5H12) is: C5H12 + O2 ⟶ CO2 + H2O If the…

A: Given the unbalanced equation: C5H12 + O2 ⟶ CO2 + H2O We have to find the mass of carbon dioxide in…

Q: 2 equiv. H₂NNH₂ оно H₂ of led mechanism for the above g curved arrows. NH₂

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Q: The unbalanced reaction for the combustion of pentane (C5H12) is: C5H12 + O2 ⟶ CO2 + H2O If the…

A: The Answer to the following question is-

Q: 5- Deduce the Miller indices for the planes shown below X Y

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Q: 3. Determine the full rate law (via the method of initial rates), the overall order of reaction, and…

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Q: When 7.0522 g of an unknown nonelectrolyte is dissolved in 150.45 g of water the freezing point is…

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Q: 1. Draw nine constitutional isomers with a molecular formula of C3H6O and label the functional…

A: We have to draw the constitutional isomers for the given molecular formula and label the functional…

Q: Calculate the mass of FeS formed when 8.5 g of iron reacts with 12.8 g of sulfur according to the…

A: Concept:  Always the limiting reactant will decide the amount of the product formed as it will be…

Q: 1.826 g of an unknown substance dissolved in 28.640 g of glacial acetic acid (Kf =3.90 ⁰C/m) lowers…

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Q: Which orbital is partially filled with potassium atom? 3d, 4s, 3s, 3p

A: Atomic number of Potassium (K) is 19. It has 19 electrons in different orbitals. The full electron…

Q: what is a skeletal formula?

A: Organic compounds are made up of carbon and hydrogen. These compounds are called hydrocarbons.…

Q: 8. What is true of the relative basicity of H₂CCH₂CH₂O, H₂CCH₂CCl₂O, and H₂CCH₂CH₂NH? A. H₂CCH₂CH₂NH…

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Q: What mass of the specified compound is formed in the following reactions? (Assume that the reactants…

A: Here, we have to find the mass of the products as required from the given balanced equation.

d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.