It's essentially another word for concentration, of the acid. e.g. "the molarity of the acid is 3moldm^-3"
(I hope I am right.)
I think it would be 5 a.m.
Have a lovely day! ~Pooch ♥
Answer:
Rusting is a chemical change while breaking down of ricks may just be due to mechanical weathering of rocks
Explanation:
Rusting is a chemical reaction. Rust refers to hydrated iron III oxide. This substance is soft and flakes easily hence making the iron soft and brittle. The entire process of rusting is an electrochemical reaction set up with water as the electrolyte.
Mechanical weathering is the process of breaking big rocks into smaller pieces. The process usually occurs near the surface of the earth. The cool nights and hot days always cause rocks to expand and contract. This movement can cause rocks to crack and break apart. The entire process is a physical process.
Hence rusting makes iron brittle and flake by a chemical process while mechanical weathering break rocks in pieces by a physical process.
Answer:
8.55 moles
Explanation:
The formula for calculating molarity is moles of solute divided by liters of solution. In this case:

moles. Hope this helps!
Answer: The concentrations of
at equilibrium is 0.023 M
Explanation:
Moles of
= 
Volume of solution = 1 L
Initial concentration of
= 
The given balanced equilibrium reaction is,

Initial conc. 0.14 M 0 M 0M
At eqm. conc. (0.14-x) M (x) M (x) M
The expression for equilibrium constant for this reaction will be,
![K_c=\frac{[CO]\times [Cl_2]}{[COCl_2]}](https://tex.z-dn.net/?f=K_c%3D%5Cfrac%7B%5BCO%5D%5Ctimes%20%5BCl_2%5D%7D%7B%5BCOCl_2%5D%7D)
Now put all the given values in this expression, we get :

By solving the term 'x', we get :
x = 0.023 M
Thus, the concentrations of
at equilibrium is 0.023 M