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Why the NaOH solution is heated before adding BaCl2 in the two solutions method for determination of purity of NaOH sample?
Why the NaOH is heated before adding in BaCl2 for determination of purity of NaOH sample?
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How do you safely dispose of cold lye solution?
To safely dispose of a cold lye solution, neutralize it by slowly adding an acid such as vinegar until the solution reaches a pH close to 7. Once neutralized, dilute the solution with plenty of water before disposing of it down the drain. Be sure to wear proper protective gear and work in a well-ventilated area when handling lye solutions.
Why are solutions heated before evaporation?
well i THINK heating the solution will speed up the reaction in the solution before adding the precipitate since the final observation required is the precipitation. you dont add the reagent before heating since it may give a false observation after heating, it might not precipitate normally but since you've otherwise it might. BY : RAY LEE SEACREST
Why must the sugar solution be cooled before adding yeast?
Cooling the sugar solution before adding yeast helps prevent the yeast from being killed by the high temperature. Yeast is a living organism that is sensitive to extreme temperatures, and adding it to a hot solution can potentially kill the yeast and hinder fermentation. Cooling the sugar solution to a suitable temperature ensures that the yeast can thrive and ferment the mixture properly.
What is The process of adding a known amount of solution of known concentration to determine the concentration of another solution is called?
titration is the best method to determine the unknown concentration of the unknown. if ur known is a solid then you would have to used distilled water to ensure it is submerged before you titrate.
What does applying heat to the water before adding the sugar allow it to do in sugar crystalization?
Applying heat to the water before adding sugar allows the sugar to dissolve more easily and completely, increasing the saturation level of the solution. As the water temperature rises, the solubility of sugar increases, enabling you to dissolve more sugar than you could at room temperature. This creates a supersaturated solution, which is crucial for sugar crystallization when the solution cools, allowing sugar crystals to form as the excess sugar precipitates out of the solution.
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.
What solutions did the Nazis have for killing people before the final solution?
Most of the solutions before the Final Solution were not killing. The Jewish question was what to do with the Jews, they had tried to get them to emigrate, they had tried to deport them, to slowly starve them, there were more suggested solutions, like sterilization, but the Final Solution was to outright murder them.
Why would you boil a potato in a biology experiment before adding solutions to it?
to make it more absorbent
How do you safely dispose of cold lye solution?
To safely dispose of a cold lye solution, neutralize it by slowly adding an acid such as vinegar until the solution reaches a pH close to 7. Once neutralized, dilute the solution with plenty of water before disposing of it down the drain. Be sure to wear proper protective gear and work in a well-ventilated area when handling lye solutions.
What problems did the Nazi's have to deal with before they could carry out their final solution?
they had to try all of the other 'Solutions', hence the Final in the 'Final Solution'.
Why are solutions heated before evaporation?
well i THINK heating the solution will speed up the reaction in the solution before adding the precipitate since the final observation required is the precipitation. you dont add the reagent before heating since it may give a false observation after heating, it might not precipitate normally but since you've otherwise it might. BY : RAY LEE SEACREST
Why do we dip the leaf in water before adding the iodine solution?
Dipping the leaf in water before adding the iodine solution helps to soften the leaf tissue, making it easier for the iodine solution to penetrate and react with the starch present in the leaf. This process enhances the visibility of the starch by allowing the iodine solution to spread more evenly throughout the leaf.
What is the difference solution dye and dope dyed?
Solution dyeing involves adding color to the fiber solution before it is extruded, resulting in a fully colored fiber. Dope dyeing involves adding color to the polymer dope (solution) before spinning, making the fiber colored throughout. Solution dyeing tends to offer more vibrant colors and greater colorfastness compared to dope dyeing.
When might a speaker present solutions before explaining the problem in a problem-solution speech?
When the audience knows all about the problems
Why must the sugar solution be cooled before adding yeast?
Cooling the sugar solution before adding yeast helps prevent the yeast from being killed by the high temperature. Yeast is a living organism that is sensitive to extreme temperatures, and adding it to a hot solution can potentially kill the yeast and hinder fermentation. Cooling the sugar solution to a suitable temperature ensures that the yeast can thrive and ferment the mixture properly.
What is The process of adding a known amount of solution of known concentration to determine the concentration of another solution is called?
titration is the best method to determine the unknown concentration of the unknown. if ur known is a solid then you would have to used distilled water to ensure it is submerged before you titrate.
What must you do to determine weather a soluion is an exraneous solution?
If the solution, makes the denominator equal to zero, makes the expression of a logarithm or under a square root, a negative one. If there are more than one denominator, check all the solutions. Usually, we determine the extraneous solutions before we solve the equation.
