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creativ13 [48]
4 years ago
7

CO2(s) → CO2(g)

Chemistry
1 answer:
Vesnalui [34]4 years ago
4 0

Answer: entropy, increase

Explanation:

During the sublimation of carbon dioxide, the disorder and the entropy of the system increase. Hope this works :)

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Use the drop-down menus to match the name and structure for the following cycloalkanes. A five-sided polygon. A square. A five-s
Mashutka [201]

Answer:

A five-sided polygon.- cyclopentane

A square.- cyclobutane

A five-sided polygon with one line extending from a point.- methylcyclopentane

A 6-sided polygon with a line extending from one point to a C H 3.- methlcyclohexane

Explanation:

7 0
3 years ago
In a chemical equation, which symbol should be used to indicate that a substance is in solution?
lisov135 [29]
Example :

2FeCl_3_{(aq)}+2KI_{(aq)}=2FeCl2_{(aq)}+2KCl_{(aq)}+I_2_{(s)}

If you use the subscript (aq) (=aquaris) , this means that the substance is in a solution.

Subscripts:
-aq-this means that the substance is in a solution
-s-this means that the substance is a solid(or precipitate)
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6 0
3 years ago
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Soil with high amounts of
scoray [572]

Answer:

C. Hydrogen Ions.

Explanation:

The pH level of soils is measured based upon the acidity or basicity level in the soil. The pH scale usually measures between 0-14. 7 is the neutral pH level of soil and a pH level below 7 is considered acidic and above 7 is alkaline.

So, soil with a high amount of hydrogen ions (H+) will be considered acidic. As the amount of hydrogen ions increases in the soil, the pH level of the soil decreases, making it acidic.

Therefore, option C is correct.

8 0
3 years ago
Exothermic reactions release energy. Where is the energy used for these reactions to occur stored? .
Tanya [424]

Answer:

In the chemical bonds.

Explanation:

There are different types of chemical bonds, some store a TON of energy while others do not store as much. You can think of it like this: for bonds with low energy, it takes a LOT of force to pull them apart, meaning they are strong bonds. However, this way, you have to put energy into them to break the bonds and form a chemical reaction. This is an endothermic reaction, a reaction that absorbs heat from its surroundings.

Instead, bonds in exothermic reactions are BEGGING to form a more stable bond, and hence store a lot of potential energy. Due to the difficulty of maintaining these bonds, there is a lot of energy put into them. If you break them, however, (exothermic reaction) the energy is released, and hence the exothermic reaction happens.

Hope this helped. Please give Brainliest! :>

7 0
3 years ago
Which is one characteristic of deep ocean currents someone pls help
melamori03 [73]

Answer:

visbility if that is an answer

Explanation:

6 0
3 years ago
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