Why is baking a cookie a chemical change?
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Studied at the University of Tokyo, Lives in Tokyo, Japan.
When sodium bicarbonate (baking soda) heats up, it causes a chemical reaction: 2NaHCO3 ? Na2CO3 + H2O + CO2. The CO2 gas that's formed makes the --bubbles-- in the cookies. ... The fat (butter) keeps the flour from forming an overly extensive network of gluten, giving the cookie a lighter texture.
2023-04-28 15:48:08
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Oliver Parker
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When sodium bicarbonate (baking soda) heats up, it causes a chemical reaction: 2NaHCO3 ? Na2CO3 + H2O + CO2. The CO2 gas that's formed makes the --bubbles-- in the cookies. ... The fat (butter) keeps the flour from forming an overly extensive network of gluten, giving the cookie a lighter texture.