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Name the products of the dissociation of water and give their concentration in pure water?
Wiki User
∙ 10y ago
2H2O <--> H3O^+1 + OH^-1
at 25 deg C, [H3O+] = [OH-] = 1x10^-7 mol/L
H3O^+1 = hydronium ion
OH^-1 = hydroxide ion
Wiki User
∙ 10y ago
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What is splitting of ionic compounds into ions?
The name of this phenomenon is dissociation; an example: NaCl------------Na+ + Cl-
What is the pH of concentrated sulfuric acid?
Sulfuric acid can not be defined by a single pH, and can only have a pH as such when it is in a solution of water, where the pH is a measure of the hydrogen ion concentration: pH=-log10(H+) which occurs from dissociation.The pH of sulfuric acid in water, and any other acid in water, for that matter depends upon its concentration (moles of the acid per litre of the acid/water mixture, where 1 mol is the amount of pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of carbon-12). We usually say that 'X' mol L-1 of a substance has a pH of 'Y'.For the case of sulfuric acid, first consider its dissociation. Sulfuric acid is diprotic, meaning that it has 2 ionizable hydrogen atoms per molecule and dissociates in a 2-step process:H2SO4 → H+(aq) + HSO4−(aq)The second step in dissociation is:HSO4− → H+(aq) + SO42−(aq)The dissociation is not as straightforward as it may appear since the completeness of the dissociation in each case is governed by Ka values (dissociation constants), which are different for each step: one proton is a strong acid and dissociates completely (i.e., dissociation in the first step is complete), and the other is a weak acid and does not (i.e., dissociation in the second step is not complete). Without going in to unnecessary detail (which only a chem major would need to worry about), we'll assume that dissociation in the second step is negligible, and hence we consider one H+ in our calculation of pH.X mol L-1 H2SO4 therefore produces X mol L-1 H+.The pH of X mol L-1 H2SO4 is therefore:pH = -log10(X)Hence, if we have, for example, a 0.2 mol L-1 H2SO4 solution, it has a pH of -log10(0.2)=0.7. A higher concentration of sulfuric acid will have an even lower pH.
A diluted saltwater solution that is naturally found in cells is called?
Osmosis is the water solution. It is the same as salt concentration.
What is the chemical name of benzoic acid after heating?
The products of the thermal degradation of benzoic acid are carbon dioxide and water.
Which name identifies the acid HBr?
This is definitely an acid. It is the chemical formula for hydrobromic acid, which is actually one of the six strongest acids. It will dissociate immediately in water to form a high concentration of the H+ ion, and the concentration of that ion is what determines the pH of the substance. High ion concentration, low pH, strong acid.
Name two ions that are the products of the dissociation of water?
Another way to describe the dissociation of water is as follows where two water molecules form a hydronium ion (essentially a water molecule with a proton attached) and a hydroxide ion
What do you give the name to a large concentration of tiny water droplets?
cloud
What is a special form of diffusion where water moves from an area of high water concentration to an area of low water concentration?
This is not special at all, it is what happens normally. You can also think of it as water moving down a solute gradient (from low solute concentration to high solute concentration, till the concentrations are the same. The name for this process is osmosis.
What is the name of the process of water moving from a higher concentration to a low concentrarion?
"osmosis"
What name is given to the process by which substances pass into or out of a cell from an area of higher concentration to an area of lower concentration?
diffusion
Is the diffusion of water?
yes. diffusion is the movement of molecules from a high concentration to a low concentration. think of plant cells. when saltwater is added to freshwater elodea cells it sucks the water that was in a high concentration from inside the cell, causing the cell to have a lower concentration of water molecules. a type of diffusion that involves water is called osmosis. Osmosis is the diffusion of water across a membrane.
What is the name for the movement of water access the plasma membrane?
The movement of water across the plasma membrane is called osmosis. Water moves from where it is in higher concentration to where it is in lower concentration. Osmosis is a type of passive transport and does not require any energy expenditure by the cell.
What is splitting of ionic compounds into ions?
The name of this phenomenon is dissociation; an example: NaCl------------Na+ + Cl-
Name two products that are made when diesel burns?
carbon dioxide and water
What is the pH of concentrated sulfuric acid?
Sulfuric acid can not be defined by a single pH, and can only have a pH as such when it is in a solution of water, where the pH is a measure of the hydrogen ion concentration: pH=-log10(H+) which occurs from dissociation.The pH of sulfuric acid in water, and any other acid in water, for that matter depends upon its concentration (moles of the acid per litre of the acid/water mixture, where 1 mol is the amount of pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of carbon-12). We usually say that 'X' mol L-1 of a substance has a pH of 'Y'.For the case of sulfuric acid, first consider its dissociation. Sulfuric acid is diprotic, meaning that it has 2 ionizable hydrogen atoms per molecule and dissociates in a 2-step process:H2SO4 → H+(aq) + HSO4−(aq)The second step in dissociation is:HSO4− → H+(aq) + SO42−(aq)The dissociation is not as straightforward as it may appear since the completeness of the dissociation in each case is governed by Ka values (dissociation constants), which are different for each step: one proton is a strong acid and dissociates completely (i.e., dissociation in the first step is complete), and the other is a weak acid and does not (i.e., dissociation in the second step is not complete). Without going in to unnecessary detail (which only a chem major would need to worry about), we'll assume that dissociation in the second step is negligible, and hence we consider one H+ in our calculation of pH.X mol L-1 H2SO4 therefore produces X mol L-1 H+.The pH of X mol L-1 H2SO4 is therefore:pH = -log10(X)Hence, if we have, for example, a 0.2 mol L-1 H2SO4 solution, it has a pH of -log10(0.2)=0.7. A higher concentration of sulfuric acid will have an even lower pH.
What name do you give a large concentration of tiny water droplets?
It is called a cloud.
What is the name of the diffusion of water?
Osmosis. Osmosis is not the same as diffusion of water. Diffusion of water is just diffusion like with any other substance: the particles spreading, making a homogeneous distribution. Osmosis involves a semipermeabel membrane, where water goes from low solvent concentration to high solvent concentration.
