When an electron moves from a higher to a lower energy level, energy is released (often as light).
Answer:
1.slimy feel
2.corrosive
Explanation:
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Answer is: HCl (hydrochloric acid) <span>will have the largest amount of conjugate base.
Hydrochloric acid is the strongest acid present in this question, because it has largest Ka value:
pKa(HCl) = -8.
Ka(HCl) = 10</span>∧(-pKa).
Ka(HCl) = 10⁸.
Chemical dissotiation of hydrochloric acid:
HCl(aq) → H⁺(aq) + Cl⁻(aq).
Ka(HCl) = [H⁺]·[Cl⁻] / [HCl].
Concentration of Cl⁻ ions (conjugate base of hydrochloric acid) is very high.
Soil
profile
Soil
profile is the vertical sequence of the layers of soil. Furthermore, there are
actually six layers of the soil which involves the organic matter, -where most
humus is present-, surface soil, the subsoil, the parent rock, and the bedrock
as the innermost and core layer of the soil. In addition each soil layer has
three to four soil horizon. These horizons are the physical features of the soil,
mainly the texture, color and composition.
Answer:
Exothermic reaction
Explanation:
The freezing of n-octane is an exothermic reaction.
An exothermic reaction is a type of reaction in which energy usually in the form of heat is released to the environment. In an exothermic reaction, the reactants are at a higher energy level compared to the product. Hence heat energy is usually released.
Now, freezing is a change in state from the liquid state to the solid state , for example, the turning of water to ice block.
In freezing, energy is released and hence, thus it is an exothermic reaction