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guajiro [1.7K]
3 years ago
15

Define state of matter ​

Chemistry
1 answer:
Bess [88]3 years ago
3 0

State of matter refers to the forms in which matter can exist.

There are basically three states: Solid, Liquid, Gaseous.

But nowadays we extend this and add two more states: Plasma, Bose-Einstein Condensate

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10. (a) Describe how the structure of an alloy is different to a pure metal
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5.For each of the following, give the name of an element from Period 4 (potassium to krypton), which matches the description.
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Help
4 0
3 years ago
Oxygen decays to form nitrogen. 15 8 O → 15 7 N + 0 1 e This type of nuclear decay is called
Natasha2012 [34]

The type of nuclear decay in which Oxygen decays to form nitrogen is beta plus decay.

<h3>What is a beta plus decay?</h3>

A beta plus decay is a type of decay in which a proton in an element disintegrates to produce a neutron resulting in a decrease in the atomic number of the radioactive element.

In the given equation below:

  • ^{15}_{7}O \rightarrow ^{15}_{7}N + ^{0}_{1}e

Oxygen decays to form nitrogen due to a decrease in atomic number.

This is an example of beta plus decay.

In conclusion, oxygen decays to form nitrogen beta plus decay.

Learn more about beta plus decay at: brainly.com/question/12448836

#SPJ1

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Because the decomposition is the reverse process of the formation.

Enthalpy is a function of state, which means that the value dependes only on the state and not the pathway.


Then the change of enthalpy is the same in magnitude for both cases but in formation the change is netavie (releases energy) and in the other is postive (absorbs energy).
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