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ohaa [14]
3 years ago
12

Three of the primary components of air are

Chemistry
1 answer:
Doss [256]3 years ago
3 0
Hey there,

Based on my research and my understanding, your correct answer would be exactly 760 torr. Because if you do <span>Pt = P1 + P2 + P2, that will eventaully give your 760 torr.

~Jurgen</span>
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How can the existence of spectra help to prove that energy levels in atoms exist?
Liula [17]
The existence of spectra can help the existence of atoms by expanding and multiplying in the law of London Dispersion
6 0
3 years ago
Why wouldn't two cations form a covalent bond?
Allushta [10]

Answer:

Covalent bonding is the sharing of electrons between atoms. In addition, the ionization energy of the atom is too large and the electron affinity of the atom is too small for ionic bonding to occur.

For example: carbon does not form ionic bonds because it has 4 valence electrons, half of an octet.

Explanation:

4 0
3 years ago
Which parameter is indicative of how far and in what direction a reaction will progress?
nekit [7.7K]

Answer:

Option b, The change in free energy of the reaction (ΔG)

Explanation:

Gibbs free energy is a measure of amount of usable energy in the system.

It is related with enthalpy (H), entropy (S) and temprature (T) as:

G = H - TS

The Gibbs free energy change (ΔG) provide spontaneity of a chemical reaction.

If ΔG is negative, then reaction is spontaneous that means reaction is moving towards forward direction.

If ΔG is positive, then reaction is non-spontaneous that means reaction is moving in backward direction.

If ΔG is zero, then reaction is at equilibrium.

Change in enthalpy only gives informtion about heat involed in a chemical reaction, it does not give information about direction of the reaction.

So, among the given options, option b is correct.

6 0
3 years ago
PLEASE HELP ME ANSWER
Delvig [45]

Answer:

570

Explanation:

a centigram is a gram times 100

So you do 5.7 times 10 and you get 570

7 0
3 years ago
Is electronegativity the tendency to attract electrons?
lutik1710 [3]

Answer:

Electronegativity, symbol χ, is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself. An atom's electronegativity is affected by both its atomic number and the distance at which its valence electrons reside from the charged nucleus.

Explanation:

7 0
3 years ago
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