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Why desiccator is not used to dry acetanilide in crystallization?
A desiccator is not typically used to dry acetanilide after crystallization because acetanilide is a relatively stable compound that can absorb moisture from the air, potentially affecting its purity. Moreover, using a desiccator may not effectively remove all the solvent used during crystallization, such as water or other volatile solvents. Instead, techniques like gentle heating or vacuum drying are preferred to ensure complete removal of impurities and solvents without compromising the integrity of the acetanilide.
A sample thought to be pure lead occupies a volume of 15.0 mi.and has a mass of 160.0g.determine the density and is the sample pure lead?
The density of the sample is calculated by dividing the mass (160.0g) by the volume (15.0 mi^3), which results in 10.67 g/cm^3. The density of pure lead is known to be 11.34 g/cm^3, suggesting that the sample is not pure lead but likely a different material with a lower density.
The density of lead is 11.4 gcm3 at 20 and degC. A chemist has a metallic sample that is either pure lead or mostly lead. If the density of the sample is 11.0 gcm3 at 20 and degC then the sample most?
The sample is likely not pure lead, as its density of 11.0 g/cm³ is lower than the density of pure lead, which is 11.4 g/cm³. This suggests that the sample may contain other metals or impurities that decrease its overall density. Therefore, it can be concluded that the sample is mostly lead but is not pure lead.
How would a contaminated unknown sample affect the accurate identification of the unknown?
A contaminated unknown sample could potentially introduce foreign material that may interfere with the identification process. This contamination could lead to misleading results or hinder the ability to correctly identify the unknown sample. It is important to ensure the sample is pure and free from contamination for accurate identification.
Is acetanilide an amide?
Yes, acetanilide is an amide. It is derived from aniline and acetic acid, containing the amide functional group (-CONH2).
What is a reason for low yield in the bromination of acetanilide?
A possible reason for low yield in the bromination of acetanilide could be the presence of impurities in the starting material. Impurities can compete for reaction sites or react in unwanted ways, leading to lower yields of the desired product. It is important to start with a pure sample of acetanilide to maximize the yield of the bromination reaction.
How do you make a pure sample of fluorine?
No you cannot make a pure sample of Fluorine because it is an earth made element.
A sample is composed completely of gold absolutely free of impurities Which term or terms could be used to describe this sample?
The sample could be described as pure gold or 100% pure gold.
Most suitable for recrystallizing acetanilide?
the most suitable for recrystrallizing acetanilide is water..
What are the different substances to which acetanilide form eutectic mixtures?
Acetanilide can form eutectic mixtures with substances like urea, phenacetin, and resorcinol. Eutectic mixtures can have lower melting points than either pure component, making them useful in various applications such as pharmaceuticals and organic synthesis.
How could you determine if a sample gold is pure?
One way of determining if a sample of gold is pure, would be to compare the density with that of real gold.
How could you determine is a sample of gold is pure?
One way of determining if a sample of gold is pure, would be to compare the density with that of real gold.
What is a pure sample of atoms that are all the same known as?
a element is a pure substance
Why desiccator is not used to dry acetanilide in crystallization?
A desiccator is not typically used to dry acetanilide after crystallization because acetanilide is a relatively stable compound that can absorb moisture from the air, potentially affecting its purity. Moreover, using a desiccator may not effectively remove all the solvent used during crystallization, such as water or other volatile solvents. Instead, techniques like gentle heating or vacuum drying are preferred to ensure complete removal of impurities and solvents without compromising the integrity of the acetanilide.
How do you make a pure sample of cobalt?
boobies
What functional groups are present in acetanilide?
Acetanilide contains an amide functional group (CONH-) and an aromatic ring.
A sample thought to be pure lead occupies a volume of 15.0 mi.and has a mass of 160.0g.determine the density and is the sample pure lead?
The density of the sample is calculated by dividing the mass (160.0g) by the volume (15.0 mi^3), which results in 10.67 g/cm^3. The density of pure lead is known to be 11.34 g/cm^3, suggesting that the sample is not pure lead but likely a different material with a lower density.
