Well, percent ionization, simply allows you to find X which is the change in amount of substance into the final amount, it is dependent on the initial concentration of the substance present that is being dissociated.
For example, if the percent dissociation of CH3COOH is 1.5 % for an initial concentration of 0.15, then to solve for x, you would need to write percent as a decimal and solve.
% dissociation = X/Concentration of substance dissociated
0.015 = X/0.15
X = 0.0025.
Now since you know X, use the ice tables to solve for concentrations of species at equilibrium and plug in Kc expression.
I believe B) in both chemical changes and physical changes since in chemical changes, nothing is created or destroyed. In physical changes same thing but with matter.
Answer:
The Cape Horn was one of the most important routes for maritime trade, leading to sailing vessels.
the difficulty of all this is that it presents great iceberg and climatic factors that do not help the boats. nowadays other commercial routes were created that made this channel only be transited by larger ships, or oil tankers.
Explanation:
Sailing in its waters is still considered one of the greatest nautical challenges, so there are various sporting and tourist events that use this route, some as part of the circumnavigation of the globe, among which are important yacht regattas, such as the Vendée Globe.
Answer this ......,..,.,.,.,.,.,.,..,.,.,.,.,.z.z.,.,.,.,..,.,.,.,.,.,.,.,.,..,
ioda
A) CuBr2
b) Al(NO3)3
c) Ca3(PO4)2
d) Fe2S3
e) HgCl2
f) Mg(C2H3O2)2
Answer:
1x10⁻¹²
Explanation:
- Cu₂S(s) ⇌ 2Cu⁺(aq) + S²⁻(aq)
At equilibrium:
The equilibrium constant for the the reaction can be written as:
[Cu⁺] is squared because it has a stoichiometric coefficient of 2 in the reaction. <em>Cu₂S has no effect on the constant because it is a solid</em>.
Now we can <u>calculate the equilibrium constant</u>:
- Keq = (1.0x10⁻⁵)² * 1.0x10⁻² = 1x10⁻¹²
