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What is any compound that increases the number of hydroxide ions when dissolved in water?
A compound that increases the number of hydroxide ions when dissolved in water is called a base. Bases are alkaline substances that release hydroxide ions (OH-) in solution. Examples include sodium hydroxide (NaOH) and calcium hydroxide (Ca(OH)2).
What happens to the number of electrons in an atom when the atomic number increases?
When the atomic number increases, the number of protons in the nucleus also increases. Since atoms are electrically neutral, the number of electrons in the atom would also increase to match the number of protons, maintaining a balanced charge.
What substance has and equal number of hydrogen ions as hydroxide ions?
Neutral, pH=7.0 by using:[H+]*[OH-] = Kw = 1.0*10-14and [H+]= [OH-]you will resolve this to [H+]= [OH-] = 10-7 and so pH = pOH = 7.0
What has a high concentration of hydroxide ions?
Any solution that has a pH level higher then seven is going to contain the higher concentrations of hydroxide. The gastric acid located in the stomach has very high concentrations of hydroxide.
The general formula for an alkaline is?
An alkaline compound can be described as a substance that releases hydroxide ions (OH-) when dissolved in water. Therefore, the general formula for an alkaline compound is M(OH)n, where M represents the metal cation and n represents the number of hydroxide ions released.
What causes the pH of a substance to increase?
The pH of a substance increases when there is an increase in the concentration of hydroxide ions (OH-) relative to hydrogen ions (H+). This can be due to the addition of a base or the removal of an acid. When the balance between H+ and OH- shifts towards OH-, the pH increases, indicating a more alkaline or basic environment.
What is s typical basic substance is one that increases what following ion in solution?
A hydroxide (as NaOH) release the ion OH- in water.
What makes pH go up and down?
pH tells us the hydrogen ion (H+) ion concentration. The lower the number - the greater the number of hydrogen ions. Adding hydrogen ions decreases pH (and increases acidity) removing them (eg by adding hydroxide OH-) increases pH.
When a substance is undergoing oxidation does the oxidation number increase?
Yes, during oxidation, the oxidation number of the substance increases. This is because oxidation involves the loss of electrons, leading to an increase in the oxidation number.
How does a substance 's temperature change when the average kinetic energy of it's particle increases?
As the average kinetic energy of the particles in a substance increases, the temperature of the substance also increases. This is because temperature is a measure of the average kinetic energy of the particles in a substance. So, when the average kinetic energy increases, the temperature increases as well.
When a substance melts The temperature of the substance increases?
it decreases.
What the meaning of the oxidation?
Oxidation has three main meanings in science, 1) An substance gaining oxygen 2) A substance loses electrons 3) A substance increases in oxidation number (ox. State)
What happens when a base dissolve?
It increases the concentration of OH - in a solution.
As the density of a substance increases the volume of a given mass of that substance .?
Decreases
What happends to the OH- as the H plus increases?
The concentration of OH- decreases as the concentration of H+ increases. This is beacause there is an equilibrium H2O <-> H+ + OH- and therefore the [H+][OH-] is a constant
How is the themal energy of a substance?
The thermal energy of a substance is a measure of the total kinetic energy of its particles. It is directly proportional to the temperature of the substance. As the temperature increases, the thermal energy of the substance also increases.
What increases When a substance gains energy?
When a substance gains energy, its temperature typically increases. The increased energy causes the particles in the substance to move faster, leading to an increase in kinetic energy and temperature.
