Exactly one pound of bread dough is placed in a baking tin. the dough is cooked in an oven at 350 °f releasing a wonderful aroma of freshly baked bread during the cooking process. is the mass of the baked loaf less than, greater than, or the same as the one pound of original dough? explain.

The mass of the baked loaf will be less than the original dough. In making dough for bread, we have ingredients that are liquid such as water, melted butter, food flavoring, etc. All of this liquid ingredients mixed on the dough will definitely turn into vapor. This vapor is responsible for releasing of the aroma of the freshly baked bread.

You will hear a hissing sound because of the carbon dioxide escaping the can or bottle

Velocity is the speed of an object in a certain direction so you'd need to know speed and direction