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During the cooling of naphthalene explain why the naphthalene must be stirred continuosly?
Stirring the naphthalene continuously during cooling helps to promote even heat distribution and prevent the formation of hot spots. This ensures that the naphthalene cools uniformly, reducing the risk of crystallization issues and improving the overall quality of the solid product.
Which solution in the titration is taken in conical flask?
The solution being titrated is placed in the conical flask. The titrant (the solution being added during titration) is then slowly added to the solution in the conical flask until the endpoint is reached.
A student found that the mass of the naphthalene collected was less than the mass determined by difference. What would account for the smaller amount of the naphthalene collected?
The naphthalene solid has a significant vapor pressure, as indicated by its strong odor. The solid naphthalene will evaporate, decreasing the mass of solid naphthalene present.m collected + m evaporated = Delta m
Do you use titrant in conical flask?
yes we use titrant in the conical flask ,this is because titrant is a solution we use in burrete for titration in this process we titrant the solution in the conical flask along with an indicator
Why does it not matter if conical flask you wet with water during titration?
Wetting the conical flask with water during titration helps to ensure thorough mixing and prevents solution splashing or clumping on the sides of the flask. This can help in obtaining accurate and consistent titration results.
During the cooling of naphthalene explain why the naphthalene must be stirred continuosly?
Stirring the naphthalene continuously during cooling helps to promote even heat distribution and prevent the formation of hot spots. This ensures that the naphthalene cools uniformly, reducing the risk of crystallization issues and improving the overall quality of the solid product.
Why a conical flask containing a hot solution is not tightly stoppered to prevent solvent during cooling?
Because... if it's tightly sealed - during cooling the volume of the solvent will decrease - making the pressure inside lower than outside he flask. This could be enough for the glass to shatter - spilling the contents.
Why would a smaller amount of naphthalene collected?
A smaller amount of naphthalene collected could be due to factors such as incomplete combustion, evaporation of naphthalene during collection, loss of product during transfer, or issues with the experimental setup affecting the efficiency of collection. It is important to carefully control these variables to ensure accurate and reliable results in the collection process.
Which solution in the titration is taken in conical flask?
The solution being titrated is placed in the conical flask. The titrant (the solution being added during titration) is then slowly added to the solution in the conical flask until the endpoint is reached.
A student found that the mass of the naphthalene collected was less than the mass determined by difference. What would account for the smaller amount of the naphthalene collected?
The naphthalene solid has a significant vapor pressure, as indicated by its strong odor. The solid naphthalene will evaporate, decreasing the mass of solid naphthalene present.m collected + m evaporated = Delta m
Is heat generated during boiling?
Boiling is an endothermic process.
Do you use titrant in conical flask?
yes we use titrant in the conical flask ,this is because titrant is a solution we use in burrete for titration in this process we titrant the solution in the conical flask along with an indicator
Does chlorine boil out of water during the boiling process?
Yes, chlorine can evaporate out of water during the boiling process.
Why does it not matter if conical flask you wet with water during titration?
Wetting the conical flask with water during titration helps to ensure thorough mixing and prevents solution splashing or clumping on the sides of the flask. This can help in obtaining accurate and consistent titration results.
What is boiling point in science?
during boiling,the temperature of a mixture is different at different times. during boiling,the temperature of a substance changes at the start then it becomes the same and constant.
What can you notice about the temperature of sea water during boiling?
The boiling point of sea water is higher compared with pure water. Temperature remain constant during boiling.
Why is the boiling of water and the cooling of water vapor a reversible reaction?
In a closed system, water can be boiled until it produces water vapor (steam). If the steam is then condensed through a coil of tubing and collected in another container, the same volume of water winds up in the second container that you started with originally. An action created and then reversed to it's original point. Note that this is in a closed system.
