Question

Which is most likely to occur during a chemical reaction?(1 point)
Responses

The original substance maintains its properties.
The original substance maintains its properties.

New atoms are created.
New atoms are created.

Mass is conserved.
Mass is conserved.

Atoms of the original substance are lost.

Answer 1

Mass is conserved.

Answer 2

Chemical Reactions Quick Check
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Question
Use the chemical reaction to answer the question.

NaHCO3+HC2H3O2→NaC2H3O2+H2O+CO2
A student mixes baking soda (NaHCO3
) and acetic acid (HC2H3O2
) to produce a chemical reaction shown. Which statement about the reaction is correct?

(1 point)
Responses

The atoms of the reactants are regrouped during the reaction.
The atoms of the reactants are regrouped during the reaction.

Atoms of Na are destroyed during the reaction.
Atoms of Na are destroyed during the reaction.

Some atoms gain mass after the reaction.
Some atoms gain mass after the reaction.

There are more H atoms after the reaction.

Answer 3

The atoms of the reactants are regrouped during the reaction.