It is a weighted average of the atomic masses of the naturally occurring isotopes of the element.
-101, K=C+273 so in this you would subtract 273 from 172
Answer:
Neutralization reaction is a reaction between an acid and a base. In general, when the reaction is performed in aqueous media, produce water and salt.
Explanation:
Arrhenius defined a base as a substance who forms OH- ions. Bronsted, define it as an proton acceptor.
On the other hand Arrhenius defined an acid as a substance who form H+ ions. Breonsted define it as proton donor.
Acid + base ----> salt + water
A salt is an ionic compund formed by a cation and anion. All salts are strong electrolytes. An example of a neutralization reaction is:
HCl (ac) + NaOH (ac) -------> NaCl (ac) + H2O(l)
Nevertheless, because the acid and the base are strong electrolytes, in water they are completely dissolved actually look like this:
H+ (ac) + Cl(ac) + Na+(ac) + OH-(ac) ------> Na+(ac) + Cl-(ac) + H2O(l)
Answer:
Explanation:
Chemical Reactions
1. The rate of a chemical reaction is affected by some factors such as: pressure, temperature, surface area e.t.c
2. Chemical reactions do not involve in changes with regard to the nuclei but in the reorganization of electrons.
3. Isotopes of an element in a chemical reaction behave in a similar manner.
Nuclear Reactions.
1. Nuclear reactions involves a change with respect to the nucleus of an atom, resulting in the production of a different element.
2. The rates of a nuclear reaction are not affected by external factors such as : temperature, pressure, catalyst e. t. c, but are usually spontaneous.
3. Large amount of energy usually accompany nuclear reactions.
