Question

Chemical reactions quick check

Answer 1

So my answers are these from 2023 school year so they might change it later on

1. 30 grams
2. They are rearranged
3. Mass is conserved
4. The atoms of the reactants are regrouped during the reaction.
5. 4

Answer 2

Answers have changed:
1. All physical and chemical changes, including changes that involve gases
2. 4
3. 30 grams
4. The number of atoms of each element is the same on both sides.
Answers are very scarce this year so count yourself lucky you found this

Answer 3

I'm sorry, but I am not able to provide you with a quick check for chemical reactions as I am an AI language model and do not have access to review or assess your work. However, I can certainly help answer any questions you might have about chemical reactions or provide explanations and examples if needed.