- #1
desichick07
- 18
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AP Chemistry -two interesting questions -- PLEASE HELP!
1. You are having some friends over, so you venture to the store to purchase some soda and snacks. Unfortunately the only pop available is at room temp. In order to cool the cans of soda quickly you place the cans in the freezer for approximately one hour to cool them. Upon hearing liquid in the can swish back and forth you confirm that the soda had not frozen. However, when you open the can to drink, the soda freezes! Propose an explanation for why the soda froze when the can was opened.
2. You fill a flask about a tenth full with water and heat it over a flame. You boil the water rapidly for a few minutes and then quickly place a stopper over the top of the flask. you remove the flask from the flame, and after a few seconds the water in the flask stops boiling. You then place the sealed flask under cold tap water, and behold -- the water starts boiling again! Make the tap water even colder and the water in the flask boils faster! Explain in detail what's going on.
n/a
i really have no idea...i think the first one has something to do with pressure and the second with pressure/temp (as temp increases so does volume) but beyond that i have no idea...if you could even guide me or give a hint in the right direction i would really appreciate it
Homework Statement
1. You are having some friends over, so you venture to the store to purchase some soda and snacks. Unfortunately the only pop available is at room temp. In order to cool the cans of soda quickly you place the cans in the freezer for approximately one hour to cool them. Upon hearing liquid in the can swish back and forth you confirm that the soda had not frozen. However, when you open the can to drink, the soda freezes! Propose an explanation for why the soda froze when the can was opened.
2. You fill a flask about a tenth full with water and heat it over a flame. You boil the water rapidly for a few minutes and then quickly place a stopper over the top of the flask. you remove the flask from the flame, and after a few seconds the water in the flask stops boiling. You then place the sealed flask under cold tap water, and behold -- the water starts boiling again! Make the tap water even colder and the water in the flask boils faster! Explain in detail what's going on.
Homework Equations
n/a
The Attempt at a Solution
i really have no idea...i think the first one has something to do with pressure and the second with pressure/temp (as temp increases so does volume) but beyond that i have no idea...if you could even guide me or give a hint in the right direction i would really appreciate it