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3 years ago

What process turns dry ice from a solid directly into a gas

Chemistry

1 answer:

Elan Coil [88]3 years ago

6 0

Answer:

Sublimation and the water cycle:

Sublimation is the conversion between the solid and the gaseous phases of matter, with no intermediate liquid stage. ... "Dry ice" is actually solid, frozen carbon dioxide, which happens to sublimate, or turn to gas, at a chilly -78.5 °C (-109.3°F).

- Quoted from www.usgs.gov

(You can find this by doing some different research. Make sure that you word it differently!)

Hope this helps! Can I have Brainliest, please?

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What does % composition represent? What are the steps to calculate percent composition?

andreev551 [17]

Answer:

Percent composition is calculated from a molecular formula by dividing the mass of a single element in one mole of a compound by the mass of one mole of the entire compound.

Explanation:

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4 years ago

Determine the highest occupied energy level in the

aleksandrvk [35]

I think its B!!! (: (:

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3 years ago

Compounds may be represented by chemical formulas. In the chemical formula for water which is H20, the 2 which represents the nu

trasher [3.6K]

Answer:

B the subscript

Explanation:

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3 years ago

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Neutralization Reactions

PolarNik [594]

Answer:

its a option neutralization takes place between acid and base plz mark me branliest

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3 years ago

Two electrons are found in the same atom. One has the quantum number set (3, 2, 0, +?), and the other has the quantum number set

Vilka [71]

D. Same energy level but different sublevel.

<h3>Explanation</h3>

There are four quantum numbers [1]:

n, the principal quantum number,
l, the orbital angular momentum quantum number,
 $m_l$ , the magnetic quantum number, and
$m_s$ , the electron spin quantum number.

As their names might suggest:

n determines the main energy level of an electron.
l determines the type of sublevel of an electron.
Each sublevel might contain more than one orbital. $m_l$ gives the orbital of an electron.
Each orbital contains up to two electrons. $m_s$ tells two electrons in the same orbital apart.

The two electrons in question come from the same atom. The question suggests that they have the same n, $m_l$ , and $m_s$ . As a result, both electrons are in main energy level n = 3. They share the same spin.

However, the two electrons differ in their value of l.

l = 2 for the first electron. It belongs to a d sublevel.
l = 1 for the second electron. It belongs to a p sublevel.

<h3>Reference</h3>

[1] Kamenko, Anastasiya, et. al, "Quantum Numbers", Physical & Theoretical Chemistry, Chemistry Libretexts, 24 Mar 2017.

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4 years ago