Answer:
See explanation
Explanation:
In order to answer this question, we have to look at the principle of conservation of mass. This principle states mass is neither created nor destroyed in a chemical reaction.
Hence, in a chemical system undergoing a reaction, the total number of atoms present in the system remain the same before and after the reaction. This also implies that the weight of the system does not change.
Thus, the weight of a chemical system does not change after a chemical reaction.
Answer:
You should not speak in class while others are working since it may cause others to become distracted. If you speak while they are working, they may find it difficult to concentrate. Unless you are discussing the work in class, you will deviate from working as well. You should not speak in class while others are speaking to prevent distracting others and yourself.
Explanation:
why is this a question tho? lol