which list below consists of only polymer Question 13 0.5 pts Because water and

Question

which list below consists of only polymer Question 13 0.5 pts Because water and oil don't mix, water is not very effective at washing away oily dirt. The ability of soap to mix with both water and oily dirt allows dirt to be washed away. Which statement provides the most logical chemical explanation for this phenomenon? O Soap molecules have charged regions and neutral regions; the charged regions are attracted to water molecules; the neutral regions are attracted to oils. Soap molecules have both positively and negatively charged regions. The positively charged regions are attracted to water: the negatively charged regions are attracted to oil. Soap molecules carry no charge. As a result, soap can form an effective bridge between charged water molecules and neutral oil molecules Soap molecules have both positively and negatively charged regions, The negatively charged regions are attracted to water; the positively charged regions are attracto to oil. Soap molecules have charged regions and neutral regions. The neutral regions are

Explanation / Answer

1st is the most logical explanation. Soaps are sodium/potassium salts of fatty acids so they contain the charged sodium /potassium end and an uncharged carbon-rich hydrophobic end. Oil is hydrophobic and it interacts with the carbon-rich noncharged fatty acid part of the soap while charged sodium/potassium end interacts with partial charges on the water molecule. Thereby allowing the removal of dirt by bringing them into solution and washing them away.

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