Answer:
An acid dissociation constant, K a, (also known as acidity constant, or acid-ionization constant) is a quantitative measure of the strength of an acid in solution. It is the equilibrium constant for a chemical reaction ↽ − − ⇀ − + + known as dissociation in the context of acid–base reactions.
Explanation:
Quick answer: Exothermic reactions mean that heat has escaped the system. The answer is A. Heat is released.
Sabendo que A Densidade do Metal De Chumbo e 11,3/cm3 means Knowing that the density of lead Metal and 11,3/cm3.
1 mole Fe produces 1 mole Cu
<span> molar mass of Fe is 55.8 g / mole
answer: </span><span>55.8g</span>
The formula of the ppt. formed is PbSo4 , which is inslouble.
