When the weather starts to cool down, some people in the Midwest like to toast marshmallows over a fire to make a dessert sandwich called a s'more.

A marshmallow was toasted at a constant temperature in a laboratory. Use the gif and table below to answer the following questions.



Mass Odor Temperature Texture
Before 25.21 g Slight sweet smell 23 °C Squishy
After 23.78 g Smell of burned sugar and sweetness 105 °C Crumbly with a liquid center
Claim

Is toasting a marshmallow a chemical or physical change?

(1 point)
Responses

Toasting a marshmallow is a chemical change.
Toasting a marshmallow is a chemical change.

Toasting a marshmallow is not a chemical change. It is only a physical change.
Toasting a marshmallow is not a chemical change. It is only a physical change.

Toasting a marshmallow is not a chemical or physical change.
Toasting a marshmallow is not a chemical or physical change.

1 answer

Toasting a marshmallow is a chemical change.

This is because the process involves a transformation at the molecular level, resulting in new substances (e.g., the formation of burnt sugar compounds) and changes in properties such as odor and texture. Additionally, the loss of mass and the production of different odors (like the smell of burned sugar) further indicate that a chemical change has occurred.