1. Calculation of equilibrium concentrations from Ka Calculate the pH of a 1.0 M Acetic acid solution, using approximations. Ka = 1.8 x 10^-5
HC2H3O2+H2O⇆H3O(+)+C2H3O2(-)
Initial:
Change
at Equilibrium:

2. Calculation of species concentrations from Ka, using the quadratic formula
Calculate the pH of a 0.000010 M Acetic acid solution
HC2H3O2+H2O⇆H3O(+)+C2H3O2(-)
Initial:
Change:
at Equilibrium:

3. Calculation of Ka from the pH of a weak acid solution
Calculate the Ka of HNO2 if a 0.10 M HNO2 solution has a pH of 2.187
Initial:
Change:
at Equilibrium:

4. Calculation of Ka from the percent ionization
Calculate the Ka of Glycine if a 0.10 M Glycine solution is 4.1 x 10^-3 ionized
HGly+H2O⇆H3O(+)+Gly(-)
Initial:
Change:
at Equilibrium:

The correct answer is c. orbital shape. "the angular momentum quantum number l describes the shape of an orbital. it corresponds to each orbital type, i.e. (0,1,2,−1)=(s,p,d,f,g,"

Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.