Is baking soda and vinegar a chemical change or physical change?

Mixing baking soda and vinegar results in a chemical change.

Evidence - What did you observe when the baking soda and vinegar where mixed? Answer the question with one or more complete sentences for full credit.

When baking soda and vinegar are mixed, I observed fizzing and bubbling, along with the production of carbon dioxide gas. This indicates a chemical reaction taking place between the two substances.

Reasoning - How does your evidence support your claim? Answer the question with one or more complete sentences for full credit.

The fizzing and bubbling observed when baking soda and vinegar are mixed is a clear indication of a chemical reaction occurring. This reaction results in the release of carbon dioxide gas, which is evidence that a new substance is being formed. Therefore, the evidence supports the claim that mixing baking soda and vinegar is a chemical 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
Endothermic

This is an exothermic reaction. The temperature of the vinegar increases after the reaction, indicating that energy is being released in the form of heat.

Is cooking an egg a chemical change or physical.

Cooking an egg is a chemical change.

Evidence - What did you observe in the video that tells you the egg is cooking? *Imagine you were actually cooking the egg: what would you see, hear and smell?