Tim's mom woke up with a stomach ache, so she dropped an antacid tablet in a cup of water and boiled another cup of water in the microwave to make tea. Both processes causes bubbles to form in water, but one is a physical change, while the other is a chemical change. Determine which change is physical, which is chemical, and why the two changes are different at the molecular level. PLEASE HELP I WILL GIVE 30 POINTS

Question

21-03-2022
Chemistry

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Tim's mom woke up with a stomach ache, so she dropped an antacid tablet in a cup of water and boiled another cup of water in the microwave to make tea. Both processes causes bubbles to form in water, but one is a physical change, while the other is a chemical change. Determine which change is physical, which is chemical, and why the two changes are different at the molecular level. PLEASE HELP I WILL GIVE 30 POINTS

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Oseni Oseni · Answer 1 · 2022-03-29T11:23:03+02:00

Dropping an antacid tablet in a cup of water is a chemical change while boiling a cup of water for tea is just a physical change.

Physical versus chemical change

Physical changes have to do with the physical properties of substances. Such changes can be reversed.

Chemical changes, on the other hand, have to do with the chemical properties of substances and are usually irreversible when they occur.

Dropping an antacid in water with the formation of bubbles indicates that gas is evolved in the reaction. This means that a chemical reaction has occurred.

The bubble formed from boiling water is a result of increased entropy. Evaporated water can be retrieved by condensation.

More on physical and chemical changes can be found here: https://brainly.com/question/25014732