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What form of cellular transportation helps human cells maintain a constant sodium and potassium concentration?
A cell membrane pump
What else can I help you with?
What forms of cellular transportation helps human cell maintain a relatively constant sodium and potassium concentration?
A Cell membane Pump
Does constant gradient have anything to do with passive transport?
No, constant gradient does not directly relate to passive transport. Passive transport is the movement of molecules across a membrane without the use of cellular energy, while constant gradient refers to a consistent change in concentration over a distance. However, the presence of a constant gradient can facilitate passive transport by driving the movement of molecules down their concentration gradient.
Does the rate constant change with concentration in a chemical reaction?
Yes, the rate constant can change with concentration in a chemical reaction.
What is the pH of HCOOK?
The pH of a salt such as HCOOK (potassium formate) depends on its concentration in water. Generally, the solution will be slightly acidic due to the presence of the weak acid formate ions. The pH can be calculated using the dissociation constant of formic acid and the concentration of HCOOK.
Does the pH of the solution increase decrease or stay the same when you add solid potassium chloride to dilute solution of potassium hydroxide?
The pH of the solution will decrease when solid potassium chloride is added to a dilute solution of potassium hydroxide. This is because potassium chloride is a neutral salt that will not affect the pH significantly, while potassium hydroxide is a strong base. The addition of more chloride ions will reduce the concentration of hydroxide ions in the solution, leading to a decrease in pH.
How can one calculate the acid dissociation constant (Ka) from the concentration of a solution?
To calculate the acid dissociation constant (Ka) from the concentration of a solution, you can use the formula Ka HA- / HA, where H is the concentration of hydrogen ions, A- is the concentration of the conjugate base, and HA is the concentration of the acid.
How does concentration impact the rate constant in a chemical reaction?
Concentration directly affects the rate constant in a chemical reaction. As the concentration of reactants increases, the rate constant typically increases as well. This is because a higher concentration means more collisions between reactant molecules, leading to a higher likelihood of successful reactions. Conversely, a lower concentration usually results in a lower rate constant due to fewer collisions and a lower chance of successful reactions.
Why do your cells need a constant supply of glucose?
Cellular Respiration
How can one determine the equilibrium concentration using the equilibrium constant, Kc?
To determine the equilibrium concentration using the equilibrium constant, Kc, you can set up an expression that relates the concentrations of the reactants and products at equilibrium. The equilibrium constant, Kc, is calculated by dividing the concentration of the products by the concentration of the reactants, each raised to the power of their respective coefficients in the balanced chemical equation. By rearranging the equation, you can solve for the unknown concentration to find the equilibrium concentration.
What is the rate constant for a zero-order reaction?
The rate constant for a zero-order reaction is a constant value that represents the rate at which the reaction proceeds, regardless of the concentration of reactants. It is typically denoted as "k" and has units of concentration/time.
Are liquids included in the equilibrium constant calculation?
Yes, liquids are included in the equilibrium constant calculation as they are considered to have a constant concentration in the reaction.
How does increasing substrate concentration affect the rate of enzyme action when the enzyme concentration remains constant?
It doesn't
