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Author Question: Explain how an emulsifier or a foaming agent works to stabilize an emulsion or a foam. What will ... (Read 68 times)

dakota nelson

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on: Aug 2, 2018
Explain how an emulsifier or a foaming agent works to stabilize an emulsion or a foam.
 
  What will be an ideal response?

Question 2

Freezing of emulsions causes
 
  (1) no change, (2) thickening of the thawed product, (3)changes in flavor, (4) a broken emulsion, (5) none of these.


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djofnc

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Reply #1 on: Aug 2, 2018
Answer to Question 1

Emulsifying or foaming agents contain both polar and nonpolar groups and are drawn to the interface of the two phases to coat the surface of the dispersed droplets. The polar groups are attracted to water, whereas the nonpolar groups are attracted to oil. The emulsifying or foaming agent decreases the surface tension of one liquid more than the other, allowing it to spread and form the dispersion medium.

Answer to Question 2

4


dakota nelson

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Reply 2 on: Aug 2, 2018
Gracias!

xiazhe

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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