1 Gigapascal: One gigapascal (GPa) is equal to exactly one billion pascals. A pascal (Pa) is the SI unit for pressure define as one newton per square meter. 1 GPa = 1,000,000,000 Pa.
I think the answer would be A.
I think! I could be wrong!
Answer: (B) The reverse reaction will proceed to establish equilibrium.
Explanation:
Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.
This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.
For the given equation:
Given : when 
is added to the system
If the concentration of that is the product is increased, so according to the Le-Chatlier's principle, the equilibrium will shift in the direction where decrease of concentration of takes place. Therefore, the equilibrium will shift in the left or backward direction.
Thus the reaction will shift towards reactants to reestablish equilibrium and thus partial pressure of and 
decreases and the partial pressure of 
increases.
Answer:
<h2>4 1 2</h2>
Explanation:
4 Li(s) + 1 O2(g) -> 2 Li2O(s)
