Q:

Is heating sugar a chemical reaction?

A:

Quick Answer

Heating sugar results in caramelization and is a chemical reaction. A chemical reaction is the process in which one substance is altered and forms a new substance with differing properties.

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Full Answer

Exposure to heat initially melts the sugar into a syrup. This is the breakdown of the sugar into fructose and glucose, and it is marked by the aroma it creates. Continued exposure to heat alters the color of the melted sugar to yellow, then brown. The color change is caused by the further breakdown of the sugar molecules and formation of caramelin. The chemical change alters the color of sugar and changes the taste and consistency of the sugar as well.

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Related Questions

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    What is the chemical reaction for burning sugar?

    A:

    The chemical reaction for the burning of sugar by the body is shown through the chemical equation C12H22O11(s) + 12 O2(g) -----> 12 CO2(g) + 11 H2O(l). In this equation, C12H22O11 is the sugar, which burns by reacting with the oxygen to create carbon dioxide and water.

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  • Q:

    What is an example of a chemical reaction?

    A:

    A chemical reaction occurs when a cake bakes. The materials in the batter are changed into a different substance. If the cake burns, that is a separate chemical reaction. In fact, any type of burning, such as a piece of paper or a stick of wood, is a chemical reaction.

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    How can a chemical reaction be shown to be endothermic?

    A:

    A chemical reaction can be shown to be endothermic if it absorbs heat and causes a decrease in the temperature of its surroundings. Illustrative lab experiments performed in schools to demonstrate endothermic reactions often use the reaction occurring between vinegar and baking soda or the reaction between barium hydroxide and ammonium nitrate. The latter reaction, if taking place in a flask resting in a small amount of water, will absorb enough heat from the water to cause it to freeze.

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  • Q:

    What does "chemical reaction" mean?

    A:

    The term "chemical reaction" refers to any process that changes a set of chemical substances to another. That is, the substances that are put into a chemical reaction are different, on a molecular level, from those that result.

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