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16 Jan 2018

a solution of HCl in water conducts an electric current , but a solution of HCl in hexane does not. explain this behavior in terms of ionization and chemical bonding

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Related questions

Suppose that NaCl is added to hexane instead of water. Which of the following intermolecular forces will exist in the system?

Check all that apply.

Ion-dipole force between Na+ ions and a hexane molecule

Ion-ion force between Na+ and Clâ ions

Hydrogen bonding between Na+ ions and a hexane molecule

London dispersion force between two hexane molecules

Dipole-dipole force between two hexane molecules

2.Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and the product species, separated by the reaction arrow.

NH4+(aq)+OHâ(aq)+H+(aq)+Clâ(aq)â ?

Be sure to include the charges on the ionic species and the physical state of all the reactant and product species.

Express your answer as a chemical equation.

3Solve

.0.550 mole glucose in 0.100 L of a glucose solution

71.5 g of HCl in 1.00 L of a HCl solution

37.0 g of NaOH in 350. mL of a NaOH solution

4.Calculate the volume, in liters, of each of the following solutions that provides the given amount of solute:

a)7.80 mol of NaOH from a 11.8 M NaOH solution.

b)23.8 g of Na2SO4 from a 5.00 M Na2SO4 solution.

c)29.0 g of NaHCO3 from a 5.00 M NaHCO3 solution.

d)24.5 mL of a 6.00 M H3PO4 solution

What is the pH of 2 M NaOH and 2 M HCl and 3 x 10^-8 M HCl (the ionization of water must be considered in order to calculate the pH of this acidic solution.)

A. In any solution of HCl in water weâd expect to find not only H+ but also Clâ What concentration of Clâ would you expect to observe in a solution of HCl with an initial concentration of 1.00 x 10â8 M in water?

B. In a solution containing water as the solvent weâd also expect to find some concentration of OHâ. Write a mathematical expression that would permit you to calculate [OHâ] if you knew [H+].

C. If you were to handle a bottle containing an HCl solution in water that was initially 1.00 x 10â8 M it is unlikely that you would get an electrical shock from it, so it must be that the number of positive ions in the bottle exactly equals the number of negative ions. So write a mathematical expression representing this equality that takes into account all the ions present in a 1.00 x 10â8 M solution of HCl in water. You obtained a value for [Clâ] and an expression for [OHâ] above, so plug those in and solve for [H+]. What result does this approach give for the pH of a 1.00 x 10â8 M HCl solution in water? Does this value seem more reasonable than that which you obtained in Key Question 3? If so, in what way is it more reasonable?

1. Use the approach in Key Questions (AâC) to calculate the pH of a solution of HCl in water thatâs initially 1.00 x 10â3 M. Is the result reasonable based on your chemical intuition?