CHECK MY ANSWERSS
1. Acrylonitrile and ethyl acetate have the same boiling point: 77.2ºC. In one to two sentences, explain what outcome you would expect if a mixture of these two substances were distilled
My answer: These two substances cannot be separated using distillation. Since both Acrylonitrile and ethyl have the same boiling point.
2. Ribbon diagrams show secondary structures and appear less detailed than other model types. In one to two sentences, give a reason that chemists would use ribbon diagrams. What type of information do they provide?
My answer:
Chemists would use ribbon diagram when wanting to study different types of proteins, this is because ribbon diagrams illustrate proteins very well.
3. In one to two sentences, explain why structural formulars are good for depicting polymers
My answer:
Structural formulas are good for depicting polymers because they are able to explain the properties and structures of the compound. Structural formulas of polymers are also able to show the arrangement of atoms that are within the power.
I think 1 and 2 look OK but I would work on 3. Especially the "that are within power" part.
1. Your answer is partially correct. Distillation may not be able to separate Acrylonitrile and ethyl acetate completely because they have similar boiling points. However, it is still possible to separate them to some extent by fractional distillation, as their boiling points are not exactly the same.
2. Your answer is correct. Chemists use ribbon diagrams to visualize and analyze the secondary structures of proteins, such as alpha helices and beta sheets. They provide information about the overall shape and folding patterns of proteins.
3. Your answer is correct. Structural formulas are effective in depicting polymers because they show the arrangement and connectivity of monomer units, allowing chemists to understand the structure-property relationships of polymers. Additionally, structural formulas can provide insight into the bonding and functional groups present in the polymer chain.
1. Your answer is correct. The boiling points of Acrylonitrile and ethyl acetate are the same, indicating that they have similar vapor pressures at that temperature. Therefore, when the mixture is distilled, both substances will vaporize at the same temperature and cannot be separated effectively through distillation.
2. Your answer is partially correct. Ribbon diagrams are indeed used by chemists to study proteins. However, the reason they are preferred is that they provide a simplified representation of the protein's secondary structure, which makes it easier to understand the overall folding and arrangement of the protein. Ribbon diagrams show the alpha-helices and beta-strands, helping chemists visualize the 3D shape of the protein.
3. Your answer is partially correct. Structural formulas are used for depicting polymers because they provide information about the connectivity and arrangement of atoms in the polymer chain. They help in understanding the repeat units and the overall structure of the polymer. Additionally, structural formulas can also show functional groups attached to the polymer backbone, providing additional information about its chemical properties.