What are the REDOX and BALANCED EQUATION for: Aluminum metal and aqueous hydrochloric acid (HCl) will form Aqueous aluminum chloride and hydrogen Gas

Hydrogen peroxide (H2O2) will decompose to hydrogen and oxygen gas

In salt water solution, the salt is the blank

Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.