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Why should base solutions be carbonate free?
Base solutions should be carbonate free because of carbonate interference. They can cause impurities and changes to the concentration in the solutions.
How is the effect of concentration changes on the reaction rate seen in rate law?
The exponents determine how much concentration changes affect the reaction rate
How do different solutions affect cell volume and concentration?
Different solutions can affect cell volume and concentration through processes like osmosis. When a cell is placed in a hypotonic solution (lower solute concentration outside), water moves into the cell, causing it to swell. Conversely, in a hypertonic solution (higher solute concentration outside), water exits the cell, leading to shrinkage. Isotonic solutions maintain cell volume as solute concentrations are balanced inside and outside the cell.
How salt concentration affect the rate of enzyme reaction?
Each enzyme has an optimal salt concentration. Changes in the salt concentration may also denature enzymes.
What are three types of solutions at affect cells?
Hypertonic solutions have a higher solute concentration than the cell, causing water to move out of the cell and shrink it. Hypotonic solutions have a lower solute concentration than the cell, leading water to move into the cell and potentially burst it. Isotonic solutions have the same solute concentration as the cell, resulting in no net movement of water.
How do changes in CO2 concentration in seawater affect pH levels?
Changes in CO2 concentration in seawater can affect pH levels by increasing the amount of carbonic acid in the water, which lowers the pH and makes it more acidic. This process is known as ocean acidification.
How is the effect on concentration change on the reaction rate seen in the rate law?
The exponents determine how much concentration changes affect the reaction rate
How is the effect of concentration change on the reaction rate seen in the rate law?
The exponents determine how much concentration changes affect the reaction rate
Compounds that react with acidic or basic solutions to produce certain colors?
Litmus paper reacts with acidic solutions by turning red and with basic solutions by turning blue. Phenolphthalein changes color from colorless in acidic solutions to pink in basic solutions. Universal indicator changes color according to the pH of the solution, exhibiting a range of colors from red for acidic solutions to purple for basic solutions.
What are the factors that affect the rate of osmosis?
Factors that affect the rate of osmosis include the concentration gradient between the solutions, the surface area of the membrane through which osmosis is occurring, the thickness of the membrane, and the temperature of the solutions. Additionally, the presence of solutes that can affect the water potential of the solutions will also impact the rate of osmosis.
How does the amount of solute in a solvent affect the solutions concentration?
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How does the amount of a solute in a solvent affect the solutions concentration?
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