Based on what you observed in the video, Choose your answer below:: Is combining baking soda and vinegar a chemical change or physical change?
(1 point)
Responses
Chemical
Chemical
Physical
Physical
Chemical
Based on what you observed in the video, Choose your answer below:: Is combining baking soda and vinegar a chemical change or physical change?
Is this an example of an exothermic reaction or an endothermic reaction? Hint: how did the temperature of the vinegar before the experiment compare to the vinegar after the experiment?(1 point)
Responses
Exothermic
Exothermic
Endothermic
Exothermic
is cooking an egg chemical change or physical
Cooking an egg is a chemical change. When an egg is cooked, the heat causes the proteins in the egg to denature, resulting in irreversible structural changes. This changes the texture, color, and flavor of the egg, and new compounds are formed as a result of the chemical reactions taking place.
is cutting a tree and Turing it into logs chemical or physical change
Cutting a tree and turning it into logs is a physical change. The process involves physically altering the shape and size of the wood, but it does not result in any chemical reactions or changes in the composition of the wood itself.
is a forest fire chemcial or physical change
A forest fire involves both chemical and physical changes. The initial ignition and combustion of the vegetation in the forest would be considered a chemical change. The burning of organic matter releases various gases, such as carbon dioxide and water vapor, as well as produces heat and light.
As the fire spreads and consumes more vegetation, you would also observe physical changes such as the release of heat, smoke, and ash. The fire can physically alter the landscape, destroy vegetation, and even change the physical properties of the soil.
Therefore, a forest fire involves a combination of chemical changes (combustion of organic matter) and physical changes (release of heat, smoke, and alteration of the landscape).
What is a forest fire a chemical or physical change
there can only be one change