Evaluate the quotient. 4.21×10^4 divided by 7.77 x 10^7

Q: 17. Consider the formation of the three solutions shown in the table. Rank the formation of the…

A: The reaction is exothermic reaction when the heat is liberated in the reaction and the endothermic…

Q: Why standardize the HCl before determination the NaOH normality.

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Q: Determination the normality of a sodium hydroxide solution (naoh) using a standard solution of…

A: In acid-base titrations, unknown acid or base is titrated against such acid or base whose…

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Q: ive the three characteristics of precipitation

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Q: A rise in temperature accompanies the addition of water to a concentrated solution of HCI. Explain…

A: Here the rise in temperature can be explained in terms of hydration of concentrated acid .

Q: Will a ppt of Au(OH)3 (s) form if you mix 8.3 x 10-24 M Au3+ (aq) with 6.3 x 1013 M OH (aq)? (Which…

A: Given information, [Au3+(aq)] = 8.3*10-24 M [OH-(aq)] = 6.3*10-13 M Ksp of Au(OH)3 (s) = 5.5*10-46

Q: can volumetry or electrogravimetry be used to measure lead concentrations in water?

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Q: Explain how you could separate an equimolar mixture of Compound X, Y and Z. (a flow chart). HN OH…

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Q: Consider the formation of the three solutions shown in the table. Strength of interaction Type of…

A: Stronger the interaction between solute and solvent particles, higher will be the energy released.

Q: Enumerate the procedures/processes in the determination of water hardness.

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Q: 2. NH, 3. О, O= 3.5 1. MgF, Mg = 1.2 F2 = 4.0 N = 3.0 H, = 2.1 SOLUTION: SOLUTION: SOLUTION: Mg F2 N…

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Q: Determine the molar concentration of 5,0 moles of calcium hydroxide (Ca(OH)2)dissolved in 200ml of…

A: Given: The number of moles of calcium hydroxide is 5.0 mol. The volume of the solution is 200 mL.

Q: The process of dissolving is favored if the __________ interactions are weaker than the __________…

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Q: How can dilution can sometimes affect the conductivity in solutions

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Q: If an aqueous system exhibits the Tyndall effect it is because the particles:

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Q: Explain why pure water has the maximum water potential.

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Q: Write Kep for Ca3(POg)2 salt ..

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Q: ubstance pH [H3O+] Lemon Juice 2.20   Coffee 5.00   Soil   3.2 x 10-6 Apple Juice…

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Q: aluminum hydroxide has a Ksp value of 2.0x10-32.  This indicates that aluminum hydroxide is…

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Q: Complete and balance each of the following equations for acid-base reactions. Express your answer…

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Q: A student determined the average molarity of their sample of acetic acid to be 0.773 M. Calculate…

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Q: a. Water is good solvent. Relate this property to issues of pollution b.  Water has a high specific…

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Q: Calculate the mass of nitrogen dissolved at room temperature in an 86.0 LL home aquarium. Assume a…

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Q: Aluminum hydroxide has a Ksp value of 2.0x10-32.  This indicates

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Q: Consider the formation of the three solutions shown in the table. Strength of interaction Type of…

A: The formation of three solutions were shown in the table:

Q: Determine the percentage solution 1. 0.25 g sodium chloride diluted to 100 mL = %3D

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Q: Sort and explain the degree of miscibility of 3 molecules in water: CH3COOH (acetic acid); C2H5OH…

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Q: Give one example each of a solid solution, a liquid solution, and a gaseous solution. Solid…

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Q: Is the value of K greater than I or less than I ? Explain using the equation involving K and Delta…

A: The relationship between K and ∆G can be given by the following equation:

Q: Use the averaged volume of 0.020M KMnO4(aq) solution to calculate the number of moles of KMnO4…

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Q: The sample solution in Graph A is v weak acid strong acid weak base strong base The sample solution…

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Q: Dilution is necessary for commercially available acids such as HNO3, H2SO4 etc so that the strength…

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Q: The spectroscopic data given in the table was generated for two different concentrations of a…

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Q: Calculate the mole fraction of sulfuric

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Q: Define the term ‘Tyndall effect’

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Q: Q1: Gravimetric analysis refers ? 10 points Your answer Q2: Equivalence point calculate 10 points by…

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Q: based on the conductivity results of pure distilled water, does water exist predominantly as ions or…

A: As per the conductivity results of pure distilled water, it does not conduct electricity.

Q: If the algebraic sign of  change in internal energy is negative, in which direction has energy…

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Q: The spectroscopic data given in the table was generated for two different concentrations of a…

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Q: Determine the limiting value i (Van’t Hoff Factor). Write the stoichiometry of the ionization if…

A: The van't Hoff factor means how many particles or ions in solution.NaOH(aq) → Na+  + OH-number of…