Question

During a chemical reaction, the mass of the compounds before the reaction ______ the mass of the compounds after the reaction.

is equal to

is greater than

is less than

has no affect on

Answer 1

@Frostbite

Answer 2

The law of mass conservation. :)

Answer 3

You kinda answered the question in the other questions you asked.

Answer 4

hmmm

Answer 5

If no mass is destroyed or created before and after the reaction, the total mass of the compounds in the closed system before and after the most be what?
(sorry I can hardly write today)

Answer 6

D?

Answer 7

A

Answer 8

Exactly :)

Answer 9

You can remember it this way:
\[\sum_{}^{}m(before)=\sum_{}^{}m(after) \leftarrow \rightarrow \sum_{}^{}m(before)-\sum_{}^{}(after)=0\]

Answer 10

ohhhh ok :)

Answer 11

Unless that is more confusing? :P

Answer 12

no its better lol