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vladimir1956 [14]
3 years ago
14

Using the phase diagram for CO2, what phase is carbon dioxide in at -20°C

Chemistry
1 answer:
djyliett [7]3 years ago
5 0

Answer:

A. It is in the gas phase.

Explanation:

it was correct on ap3x :)

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What do all atoms of the same element have
nordsb [41]

Answer:

All atoms of the same element have always have the same amount of protons.

Explanation:

Atoms of the same element have always have the same amount of protons but not always the same electrons and neutrons. If an atom gains or loses one of its valance electrons, the electrons on the outermost shell, then it becomes ionized. Also not all atoms of the same element have the same amount of neutron. This is called an isotope. A good example would be Carbon 13. Normally, Carbon atoms have an atomic mass of 12 AMU or 12 atomic mass units. However, Carbon atoms have an atomic mass of 13 AMU, consisting of 7 neutrons instead of 6 neutrons. So the only thing that all atoms of the same element have in common is the amount of protons.

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3 years ago
What type of elements make up ionic bonds?
iragen [17]
Answer: An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal.
basically explains
3 0
3 years ago
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The symbol of an element is represented by (a) Calculate the number of neutrons in the atom of X. [1mark] (b) State the number o
aliina [53]

Answer:

The question is incomplete.

A sample question and solution is given below.

Check the attachment for explanation.

Explanation:

Check the attachment below

3 0
3 years ago
The partial negative charge at one end of a water molecule is attracted to the partial positive
Neporo4naja [7]

Answer:

             Hydrogen Bond

Explanation:

                   Hydrogen bond interactions are formed between the hydrogen atom bonded to most electronegative atoms (i.e. F, O and N) of one molecule and most electronegative atom (i.e. F, O and N) of another molecule.

In this interaction the hydrogen atom has partial positive charge and electronegative atom has partial negative charge.

6 0
2 years ago
What enzyme catalyzes the conversion of carbon dioxide and water to carbonic acid, and where is this enzyme located
adoni [48]

Answer:

Carbonic anhydrase and they are located in renal tubules.

Explanation:

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