8. Which of the following combinations would act as buffered solutions (look at the ions individually)? JUSTIFY why. a. HCI and NaCl b. CH3COOH and KCH³COO c. H₂S and NaHS

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A: Atomic orbitals combine with each other to form molecular orbital and thus a chemical bond is…

Q: How many formula units are present in 825 mL of a 0.250 M solution of calcium hydroxide?

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A: Molarity is defined as number of mole of solute divide by volume of solution in liter

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A: We have to give the retrosynthesis and the forward synthesis pathway.

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A: Alkenes undergo addition reaction with halogen to form di halogen derivatives.

Q: How many dots would be used to draw the Lewis symbol for silicon?

A: Answer: Valence electrons are the electron present in the outermost shell of an atom.

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A: We have to give the products of the given reaction scheme.

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A: It is an example of second order kinetic reaction.  Here we are required to find the concentration…

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A: 2) Theoretical oxygen demand: It is the theoretical calculation of the oxygen required to completely…

Q: In the compound Fe203, the oxygen has an oxidation state of -2. O True O False

A: Answer: Oxidation state of the atom is the formal charge present on it in the molecule.

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A: Given : reaction and data  Tip : ∆Hrxn = (B.E)reactants - (B.E)products

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A: The concept used here is from chemical bonding of inorganic chemistry.  Both valence and molecular…

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A: Q = m . s . ΔT Where, Q = heat absorbed or evolved; m = mass of substance; s = specific heat of…

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A: We will find solubility product and then calculate molar solubility.

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A: 1) we have to calculate the value of  Ka for the weak acid

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A: Answer: Johannes vander walls.

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A: Combustion reaction is a reaction in which a substance reacts with oxygen gas to produce carbon…

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A: Answer: In chemistry functions has been classified into two parts: 1. State function 2. Path…

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A: Mole is defined as weight of substance divide by it's molar mass

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A: To solve this problem we have to know about the freezing point of water .

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.