If you did not add sugar, would the ice cream freeze faster or slower? Why?

Answer 1

faster

Whenever a solute is added to a pure solvent the the freezing point of the solution decreases.

If you try to freeze water it would take lesser time to freeze it than freezing a solution of water and salt.

The solute decreases the vapor pressure if added to the solvent and this reduces the freezing point.The molecules or ions (if there are any) also make the solution dense resulting in the decrease of the freezing point of the solution. As a result the process will take more time to reach a lower temperature.

4:1 solution starts freezing at 26-27 degrees F and pure water freezes at 0C or 32F

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Answer 2

Peyton Adams

The ice cream would freeze slower without sugar. Sugar lowers the freezing point of water, resulting in a mixture that freezes at a lower temperature, allowing it to freeze faster.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.