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Svetlanka [38]
3 years ago
7

Which statement is true regarding the sublimation of dry ice (solid co2?

Chemistry
1 answer:
WINSTONCH [101]3 years ago
5 0
Sublimation is the process of phase conversion of a compound or any entity from a solid state to gas state. The process is the opposite of deposition which converts a gas into its solid counterpart. Sublimation entails greater entropy as gas components are more entropic than solids are.
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sweet [91]

Answer:

1s2 2s2 2p6 3s2 3p3

Explanation:

8 0
2 years ago
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Elements with great electron affinities (large negative values) often have
Svet_ta [14]

Answer:

3. small sizes and high ionization energies.

Explanation:

Hello,

Ionization energies are always related with the formation of positive ions. On the other hand, electron affinities are the negative ion equivalent, and their use is almost always confined to elements in groups 6 and 7 of the Periodic Table

Small sizes and high ionization energies turn out into great electron affinities since it is easier for an electron to be added to an atom if it is small and it has a high ionization energy to promote the aforesaid addition.

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7 0
3 years ago
If you traded 6 cookies for m&ms, how many m&ms do you have?
larisa [96]

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probably like 4 bags of m and ms lol

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3 years ago
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A piece of plastic has a net charge of 2. 00 μc. How many more protons than electrons does this piece of plastic have?
ankoles [38]

The piece of plastic has   1.256× 10¹³  protons  more than  that of electrons.

<h3>What are protons and electrons?</h3>

A proton is a subatomic particle with a defined mass of 1 and a charge of +1 (positive charge). The symbol for the proton is either p or p+.

An electron is a subatomic particle that has a negative electric charge and that actively orbits the nucleus of the atom .

To calculate ,

given ,

magnitude of charge , q=+2μC=+2×10⁻⁶

Since, protons carry positive charge. Then, we know that standard number of proton in 1 Coulomb of charge is,

1C=6.28×10¹⁸ protons

Number of protons in 1 microcoulomb charge is,

=6.28×10¹⁸×10⁻⁶

=6.28×10¹²

Then for the net charge of q, the number of protons is given as,

np= q×6.28×10¹²

np= 2×6.28×10¹²

np=1.256×10¹³ protons

Thus, the piece of plastic has 1.256×10¹³   more protons than electrons.

Lear more about electron and proton ,here:

brainly.com/question/1421805

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5 0
2 years ago
Why is it necessary for the spins of two electrons that occupy one orbital, to be in the opposite directions? What is that law c
Lyrx [107]

Answer:

The Pauli Exclusion Principle

Explanation:

The Pauli Exclusion Principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers. As an orbital can contain a maximum of only two electrons, the two electrons must have opposing spins.

3 0
2 years ago
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