Answer:
The correct answer is option e.
Explanation:

Moles of phosphorus pent-oxide :

According to reaction, 1 mole of phosphorus pent-oxide is obtained from 5 moles of oxygen gas.
Then 0.05 mole of phosphorus pent-oxide will be obtained from:

Hence,the correct answer is option e.
Answer:
The value of change in Gibbs free energy for tin(II) oxide solid is -251.9 kJ/mol.
Explanation:







The value of change in Gibbs free energy for tin(II) oxide solid is -251.9 kJ/mol.
Jcdkdjkdjjjjjjjjjjjjjjjjjj
It should have 10 electrons