Feeling the heat when touching a hot piece of metal is an example of

Chemistry

1 answer:

Semmy [17]3 years ago

3 0

The answer is A, I’m pretty sure, I remember learning this a few years ago, I hope you get it right :)

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For a reaction to be spontaneous under standard conditions at all temperatures, the signs of δh° and δs° must be __________ and

Shalnov [3]

For a reaction to be spontaneous under standard conditions at all temperatures, the signs of ΔH° and ΔS° must be negative and positive, respectively.
<span>Gibbs free energy (G) determines if reaction will proceed spontaneously, if </span>ΔG is negative, reaction is spontaneous.<span>
ΔG = ΔH - T·ΔS.
ΔG - changes in Gibbs free energy.
ΔH - changes in enthalpy.
ΔS - changes in entropy.
T is temperature in Kelvins.</span>

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4 years ago

How does an atom end up with an octet, if it loses all of the electrons in its valence shell

tamaranim1 [39]

Answer:

When atoms have fewer than eight electrons, they have an inclination to react and type a lot of stable compounds.

Thus, associate atom continues to create bonds till associate octet of electrons is formed. this can be called octet rule by Lewis.

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3 years ago

A complex, ML₆²⁺, is violet. The same metal forms a complex with another ligand, Q, that creates a weaker field. What color migh

Bingel [31]

A complex, ML₆²⁺, is violet. The same metal forms a complex with another ligand, Q, that creates a weaker field. MQ₆²⁺, be expected to show green color.

<h3>What is spectrochemical series?</h3>

The ligands (attachment to a metal ion) are listed in the spectrochemical series according to the strength of their field. The series has been created by superimposing several sequences discovered through spectroscopic research because it is impossible to produce the full series by examining complexes with a single metal ion. The halides are referred to be weak-field ligands whereas the ligands cyanide and CO are strong-field ligands. Medium field effects are claimed to be produced by ligands like water and ammonia.