The mass is 5kg
I hope this helps
Explanation:
to set 1 container inside, without air movement. 1 outside in that location. compare the 2 containers to see which container has less or more fluid...
It is not directly over a flame because it depends on the substance you might not want to heat it too much.you never know what could happen
you can google it and it pops up right away
Explanation:
A physical change is one which can be reversed.it also does not produce any new substance.
changes in state such as the melting of a solid, the freezing and vaporization of a liquid as well as changes In shape are examples of physical changes
