It Is Often Possible to Use Atomic Masses When Calculating

question 38

Multiple Choice

It is often possible to use atomic masses when calculating the binding energy of a nucleus. This is not true for calculating the Q value for the e⁺ decay process since

• A) the electron masses do not cancel.
• B) a positron is an antiparticle.
• C) the electron masses cancel.
• D) the mass of a positron cannot be neglected when compared to the mass of a nucleus.
• E) none of the above.

Distinguish between different synthetic polymers on the basis of their chemical structures and common names.

Describe the effects of chemical reactions such as hydrolysis on polymers under various conditions (acidic, basic).

Understand the concept of transesterification in polymer chemistry.

Recognize the impact of cross-linking on the properties of polymers.

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