How does the temperature of carbonated beverage affect its acidity (pH)?

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    レポート酸性度温度実験

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    実験温度酸性度

    資料紹介

    >>> INTRODUCTION
    Determine the relationship between the temperature of carbonated beverage and its acidity. We feel acid is strong when the soda is really cold. On the other hand, even the exact same type of soda, we feel acid is weak when the drink is warm. In this experiment, we will measure the pH of different temperature carbonated beverages. If we all pH are same, we can show that the temperature do nothing with acidity and if we can see the changes of pH, we can prove that the temperature relate with acidity. I think for cold drink, we will get the high pH because we taste strong. And I think for warm drink, we will get the low pH because we taste weak. However, I think the difference of pH value will be very small because, carbonic acid is already weak acid. And also, already one error can be predicted and that is when we open the can. Some carbon dioxide will release to the air so, that can cause some error.

    >>> PROCEDURE
    ?Setup computer and pH meter (sensor).
    ?Open one can and quickly put pH meter and thermometer,
    ?Setup the bowl with water and ice.
    ?Put 3 cans into the bowl with water and ice.
    ?After 1 minute, quickly open the can and put pH meter and thermometer. Then record the temperature and pH.
    ?After 5minutes, do same things. Record the data.
    ?After 10 minutes, do same things. Record the data.
    ?Setup the Bunsen burner.
    ?Wear glove then quickly open the can and put pH meter and thermometer. Then record the temperature and pH.
    ?Place one can on the Bunsen burner for 1 minute.

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    *How does the temperature of carbonated beverage affect its acidity (pH)?
    >>> INTRODUCTION
    Determine the relationship between the temperature of carbonated beverage and its acidity. We feel acid is strong when the soda is really cold. On the other hand, even the exact same type of soda, we feel acid is weak when the drink is warm. In this experiment, we will measure the pH of different temperature carbonated beverages. If we all pH are same, we can show that the temperature do nothing with acidi..

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