Answer:
Electromeric effect refers to a molecular polarizability effect occurring by an intramolecular electron displacement (sometimes called the 'conjugative mechanism' and, previously, the 'tautomeric mechanism') characterized by the substitution of one electron pair for another within the same atomic octet of electrons.
Endothermic means it absorb energy from surrounding and its sign is positive so when it absorb this energy the flask or the container become colder
A is the one so she could spot the differnece with natural and the unnatrual decline
Answer:
D.)
Explanation:
Water, also known as H2O in chemistry, is a chemical substance.
Water vapor is the gas form of water, also known as the effect of evaporation. Ice is made up of water as well. It is the frozen version of water, or it other terms, the solid form of it.
I hope that this helps.
Chemical property can be referred to as a reaction into which a substance is changed
