Answer:
1.82 L
Explanation:
We are given the following information;
- Initial volume as 2.0 L
- Initial temperature as 60.0°C
- New volume as 30.0 °C
We are required to determine the new volume;
From Charles's law;

Where,
are initial and new volume respectively, while
are initial and new temperatures respectively;



Rearranging the formula;


Therefore, the new volume that would be occupied by the gas is 1.82 L
Here's the Answer !
Atomic number = no. of electrons = no. of protons, therefore :
and mass number = no. of protons + no. of neutrons
so,
Hormones ! hope i helped :)