Answered

Freshly made, warm nacho cheese dip has a fairly low viscosity. When it is placed in a refrigerator overnight, what happens to the viscosity of the nacho cheese?

A. It causes the cheese to flow more easily, making it easier to eat.
B. It decreases.
C. It does not change.
D. It increases.



Answer :

GinnyAnswer

Final answer:

When placed in a refrigerator overnight, the viscosity of nacho cheese usually increases due to changes in internal energy. Higher internal energy/temperature generally leads to lower viscosity.


Explanation:

Increases. For most traditional substances, having higher internal energy/temperature also implies a lower viscosity, as the substance will be less resistant to movement (i.e. will deform sooner to an applied shear stress). For example, consider honey: at room temperature it oozes out of the squeeze bottle, but after a minute in the microwave it may be easily poured out, similar to a syrup.


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