Explain why soaps produce a scum when used in hard water (water containing divalent ions such as magnesium and calcium).
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Q10: Exhibit 27-2
Refer to the structures of the
Q25: When soaps disperse in water,the long hydrocarbon
Q26: Cell membranes,which form an effective barrier to
Q27: Exhibit 27-4
Draw the structures of the major
Q28: Exhibit 27-4
Draw the structures of the major
Q29: In humans,most steroids function as:
A)enzymes
B)hormones
C)nucleic acids
D)proteins
Q31: Draw and name the product of the
Q32: Abietic acid is an example of:
A)a monoterpene
B)a
Q33: Exhibit 27-4
Draw the structures of the major
Q34: A group of C20 lipids that contain
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