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How does the Concentration gradient of a substance affect the movement of that substance and the expenditure of energy?
A concentration gradient of a substance drives the movement of that substance from an area of high concentration to an area of low concentration. The steeper the concentration gradient, the faster the movement of the substance, requiring less energy to transport it. If the concentration on both sides of the gradient is equal, there is no net movement of the substance.
Is diffusion an active mechanism?
False
What determines the direction in a substance diffuses across a membrane?
The concentration gradient determines the direction in which a substance diffuses across a membrane. The concentration gradient is a measure of how the concentration of a substance changes from one place to another.
What chemical substance does diabetes produce?
The consequence of diabetus is a high blood glucose concentration.
What is high concentration and low concentration?
High concentration refers to a large amount of a substance present in a given volume, while low concentration refers to a small amount of a substance present in a given volume. These terms are commonly used in chemistry to describe the relative amount of a solute dissolved in a solvent.
What does high concentration mean?
High concentration means high density, or a large amount of a particular substance in a mixture or solution.
What ions are in a high concentration in a base?
OH-
What a substance with a higher concentration of H3O ions?
A substance with a higher concentration of H3O+ ions would be an acidic solution. In acidic solutions, the concentration of H3O+ ions is greater than the concentration of OH- ions, leading to a lower pH value. Substances like hydrochloric acid or sulfuric acid are examples of substances with a high concentration of H3O+ ions.
What is The net movement of particles of a substance from a high concentration to a low concentration?
DIFFUSION DIFFUSION
Is it true that An acidic solution has a very high concentration of OH ions?
No it is false -it has a high concentration of H+ ions
What does the hydronium ion concentration measure for a substance?
The hydronium ion concentration measures how acidic a substance is. A high hydronium ion concentration means the substance is acidic. A low hydronium ion concentration means the substance is basic. You may be more familiar thinking of it as the pH scale. At pH = 7 [H3O]+ = 10-7 and [OH]- = 10-7
How do you make alkaline?
The concentration of dissociable OH- ions is a measure of the basicity of the substance. Greater the concentration of hydroxyl ions, greater is it alkaline.
How does the concentration of H plus and OH- ions determine pH?
The concentration of H+ ions in a solution determines its acidity; the higher the concentration of H+ ions, the lower the pH. The concentration of OH- ions in a solution determines its alkalinity; the higher the concentration of OH- ions, the higher the pH. pH is a logarithmic scale that represents the concentration of H+ ions in a solution.
What motion is the next movement of particles of a substance from areas of high concentration to areas of low concentration?
diffusion
What motion is the net movement of particles of a substance from area high concentration to areas of low concentration?
Diffusion
What kind of ions does a base substance form in water?
A base substance forms hydroxide ions (OH-) in water. This occurs when the base substance donates OH- ions to the water molecules, increasing the concentration of hydroxide ions in the solution.
How does the Concentration gradient of a substance affect the movement of that substance and the expenditure of energy?
A concentration gradient of a substance drives the movement of that substance from an area of high concentration to an area of low concentration. The steeper the concentration gradient, the faster the movement of the substance, requiring less energy to transport it. If the concentration on both sides of the gradient is equal, there is no net movement of the substance.
