1. A student mixes baking soda and vinegar in a glass. Do you think any new substances are being created in this mixture? If so, how do you know?

2. Suppose this was done on top of a balance. Do you think the mass would change as the reaction proceeded?

3. What do you think would happen to the mass if the reaction took place inside a sealed plastic bag?

1. Yes I do think new substances are being created because there is a chemical reaction between the baking soda and vinegar turning it into a bubbly substance.

2. Yes because gas is produced.

3. The mass would increase due to the fact that nothing would be able to evaporate and everything would build up in a sealed place.

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onyebuchinnaji onyebuchinnaji · Answer 2 · 2021-09-24T20:33:39+02:00

(1) There will be a chemical reaction between the vinegar and baking soda, thus new substance will be created.

(2) If the reaction takes places on open balance, the mass will change as the reaction proceed because of carbon iv gas will be released.

(3) If the reaction takes place inside a plastic bag, the mass of the product formed will increase because the gas formed will not escape.

The chemical reaction between acid and base produces entirely new substance. The products are usually salt and water, and sometimes emission of gas.

Vinegar is an acid (CH₃COOH) and baking soda (NaHCO₃) is a base.

CH₃COOH + NaHCO₃ → CH₃COONa + H₂O + CO₂

(2) If the reaction takes places on open balance, the mass will change as the reaction proceed because of carbon iv gas will be released.

(3) If the reaction takes place inside a plastic bag, the mass of the product formed will increase because the gas formed will not escape.

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