What do you need help with? Can you specify?
Answer:
A
Explanation:
We are usually asked to close the valve of the gas cylinder in our various kitchens at home <u>due to the inflammable property of the Liquified Petroleum Gas.</u>
<em>Without closing the valve, the LPG would diffuse into our homes, and any form of spark would cause an explosion and lead to a fire. Lives and properties could be lost in the process.</em>
The correct option is A.
I think the answer is:
B. Chemical Change.
Answer:
Explanation:
The total amount of atoms is found by multiplying Avogradro's Number and the number of moles:
