Answer:
6.0 x 10 to the power of 23
A boat being accelerated by the engine
Bringing water to the boil in an electric kettle
The chemical equation needs to be balanced so that it follows the law of conservation of mass.
Okay
40ml-35ml=5ml
5ml is the volume of the rock
1ml=1cm3
hence the volume of the rock is 5cm3
