H4x - pka1 =1.5
h3x 2- pka2 =3.6
h2x 3- pka3 =7.8
hx 4- pka4 =10.9
x 5- pka5 =11.5
8.67
5.45
13.45

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?