Bottom line Your dissolution reaction<span> is endothermic, but because </span>dissolution reactions<span> lead to states of higher entropy, your particular </span>reaction is spontaneous<span> (it occurs) at your specific temperature nonetheless</span><span />
<span>What are some examples of monomers and oligomers?
</span>Organic molecules, such as proteins, carbohydrates, lipids and nucleic acids, are made of simple subunits called monomers. <span>Plasticizers are </span>oligomeric esters widely used to soften thermoplastics such as PVC and <span>urethane acrylate </span>.
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</span><span>If a chemical compound accelerates and regulates metabolic reactions, which type of role does it play - structural or physiological?
</span>I believe the function that it plays would be physiological since it focuses more on the regulation of the reactions inside the body.
Answer: The correct option is B.
Explanation: Pure substances are defined as the substances which are made up of one one type of atom or a molecule. Example: Iron (Fe), etc.
Option A: These substances can be cut into smaller pieces because only the size of the substance is changing.
Option B: All the pure substances are made up of atoms and group of atoms known as molecules. So, this is common to all the pure substances.
Option C: These substances can be mixed with other substance. For example: Iron can be mixed with another Copper.
Option D: These substances when undergoing a chemical reaction will change its chemical composition.
Hence, the correct option is B.
Answer:
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