What is electron affinity? A. the energy change that happens when a neutral atom gains an electron B. the energy change that hap
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Compounds which on dissolving in water gets completely dissociates into its ions are known as strong electrolytes whereas compounds which on dissolving in water gets partially dissociates into its ions are known as weak electrolytes.
Substances which gives solution on dissolving in water and do not dissociates into ions also does not conduct electric current are known as nonelectrolyte.
- Hydrochloric acid,
On adding (strong acid) in water, it will completely dissociates into ions (
and
) and thus, it is a strong electrolyte.
- Sodium hydroxide,
On adding (strong base) in water, it will completely dissociates into ions (
and
) and thus, it is a strong electrolyte.
- Formic acid,
On adding (weak acid) in water, it will partially dissociates into ions (
and
) and thus, it is a weak electrolyte.
- Methyl amine,
On adding (weak base) in water, it will partially dissociates into ions (
and
) and thus, it is a weak electrolyte.
- Potassium chloride,
On adding in water, it will completely dissociates into ions (
and
) and thus, it is a strong electrolyte.
- Ethanol,
On adding in water, it will not dissociates into ions and thus, it is a nonelectrolyte.
- Sucrose,
On adding in water, it will not dissociates into ions and thus, it is a nonelectrolyte.
Find volume of pillow
L=78cm
B=55cm
H=25cm
Now
Mass=5.5kg
Density of water=1000kg/m^3
As it is less than density of water it will float on water