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What has no effect on the rate of an enzyme-catalyzed reaction?
Enzyme concentration has no effect on the rate of an enzyme-catalyzed reaction after reaching a saturation point where all enzyme active sites are occupied. At this point, adding more enzyme will not increase the reaction rate further.
Does adding water slow down a chemical reaction?
Adding water can potentially slow down a chemical reaction if it dilutes the reactants, leading to lower concentrations and reducing the frequency of molecule collisions. However, in some cases, water can also act as a solvent or a reactant, depending on the specific reaction.
Which causes the pH of a solution of a solution to increase?
Adding a base
Why do you have to wait 10 minutes after adding an enzyme before testing for glucose?
Waiting 10 minutes after adding an enzyme before testing for glucose allows sufficient time for the enzyme to catalyze the reaction and convert the substrate (such as starch) into glucose. This incubation period ensures that the enzymatic reaction reaches a measurable level of glucose, providing accurate results in the subsequent test. Additionally, it helps to stabilize the reaction conditions, minimizing variability in the measurements.
Enzymes split large molecules into two or more smaller molecules by adding water through which type of reaction?
Hydrolysis is the reaction that stems from the breakdown of large molecules by the enzymatic addition of water. Hydrolysis is step leading to the degradation of the substance. It is a chemical reaction in which a molecule of water is added to a substance. At times water and the substance will split and one part of the parent molecule will receive one hydrogen ion.
What has no effect on the rate of an enzyme-catalyzed reaction?
Enzyme concentration has no effect on the rate of an enzyme-catalyzed reaction after reaching a saturation point where all enzyme active sites are occupied. At this point, adding more enzyme will not increase the reaction rate further.
Does adding water slow down a chemical reaction?
Adding water can potentially slow down a chemical reaction if it dilutes the reactants, leading to lower concentrations and reducing the frequency of molecule collisions. However, in some cases, water can also act as a solvent or a reactant, depending on the specific reaction.
Why adding a basic solution to an acidic solution will neutralize the solution?
Adding a basic solution to an acidic solution results in a chemical reaction that forms water and a salt. The reaction between the acid and base produces water molecules, which neutralizes the excess of either acidity or basicity, resulting in a neutral solution.
What is the purpose of adding an indicator to an unknown solution?
Indicators contain chemicals that will react with certain substances. If that substance is present in your unknown solution, a reaction will occur. If no reaction occurs, then that substance is not present in your solution
Why is the solution boiled after adding excess hydrochloric acid to the solid hydrate?
to remove carbondioxide from the solution and also to increase the rate of reaction
What is A method to determine the concentration of a substance in solution by adding a solution of known volume and concentration until the reaction is done?
The method you are referring to is called titration. Titration involves slowly adding a solution of known concentration (titrant) to a solution of unknown concentration (analyte) until the reaction is complete, allowing the determination of the analyte's concentration.
Why is the permanganate solution added slowly to hydrogen peroxide solution?
To avoid a violent reaction.
What is formal titration?
Formal titration is a method used in chemistry to determine the concentration of a substance in a solution by reacting it with a solution of known concentration. It involves adding the titrant (solution with known concentration) to the analyte (solution with unknown concentration) until a reaction is complete. The point at which the reaction is stoichiometrically balanced is known as the equivalence point.
Could you prepare oxalic acid by adding hcl to a solution og sodium oxalate?
Yes, oxalic acid can be prepared by adding hydrochloric acid (HCl) to a solution of sodium oxalate. The reaction that occurs is double displacement reaction where sodium chloride and oxalic acid are formed. Oxalic acid can be obtained by precipitating it out of the solution by adjusting the pH.
What is the purpose of titrating sodium hydroxide with an acid solution?
The purpose of titrating sodium hydroxide with an acid solution is to determine the concentration of the acid solution. By carefully adding the acid solution to the sodium hydroxide until the reaction reaches equivalence, the amount of acid needed can be used to calculate its concentration.
Which causes the pH of a solution of a solution to increase?
Adding a base
Why is NaOH heated before adding BaCl2?
Heating NaOH before adding BaCl2 helps to dissolve NaOH completely in water, ensuring that no solid NaOH remains undissolved in the solution. This is important because the reaction between BaCl2 and NaOH requires the NaOH to be in solution to react with the BaCl2. Heating the solution can also speed up the reaction between NaOH and BaCl2.
