No, no heat is involved when mixing baking powder and water.
Yes.
mixing vinegar and baking powder:)
Baking powder is a mixture of backing soda and other compounds
You can get a chemical reaction by mixing baking powder and vinegar together.
Baking powder is a mixture of a carbonate or bicarbonate and a weak acid. If you don't have any on hand you can make your own by mixing baking soda with lemon juice.
After a fashion. Pioneers had "Cream of Tartar" (Potassium bitartrate), and they also had "Saleratus" (Bicarbonate of soda). Mixing a bit of each of these together made what we call today "baking powder".
Only substitute baking soda for baking powder if the cookie dough will be baked within 30 minutes of mixing. Baking soda begins to lose potency as soon as it gets wet so baking powder is used when the dough will be allowed to sit for a long time before baking.
The glutton starts to develop from the flour and the raising agents ( baking soda and/or baking powder) starts to work.
Baking Powder
Baking powder in a recipe helps your item rise when baking.
baking powerder is baking powder is not the same!