The equator is the parallel
Answer:- 1.62 moles
Solution:- At constant temperature and pressure, volume is directly proportional to the moles of the gas.

from given data,
= 5.17 L,
= 1.05 moles
= 8.00 L,
= ?
Let's plug in the values in the formula:

On cross multiply:

= 1.62 moles
So, now the toy contains 1.62 moles of the air.
Answer: The standard entropy of vaporization of ethanol is 0.275 J/K
Explanation:

Using Gibbs Helmholtz equation:

For a phase change, the reaction remains in equilibrium, thus 

Given: Temperature = 285.0 K

Putting the values in the equation:


Thus the standard entropy of vaporization of ethanol is 0.275 J/K
B is the answer to your question