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KATRIN_1 [288]
3 years ago
13

Are bonds broken or formed, throughout each phase change present on a heating curve?

Chemistry
1 answer:
Blababa [14]3 years ago
5 0

Answer:

During a phase change no chemical bonds are broken. Atoms are not rearranged because a phase change is a physical change rather then a chemical change. However, intermolecular forces are almost entirely removed from the liquid since the intermolecular forces are what cause the liquid to be a liquid.

Explanation:the nature of the intermolecular forces (IMF) will not change when the state changes from solid to liquid, however, the number of IMF changes.

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What is oxidized in the following reaction? Na+CI —>NaCI
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Answer:

the reducing agent is the Na ion, therefore the Na ion is oxidised. The oxidising agent is Cl ion, therefore the Cl ion is reduced.

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2 years ago
A pure element unbound or in a diatomic state, such as cl2, always has an oxidation number of ________. a. 1 b. 2 c. magnitude e
nignag [31]

A pure element unbound or in a diatomic state, such as cl2, always has an oxidation number of 0 (zero).

<h3>Why does pure element or a diatomic molecule has zero oxidation state?</h3>

In a neutral substance with atoms of only one element, the oxidation number of an atom is zero. As a result, the oxidation number of the atoms in O2, O3, P4, S8, and aluminum metal is 0. The oxidation numbers for an element in its normal state will be zero. O2 and Cl2 are diatomic gas molecules that occur naturally, thus when they are in that state, they have an oxidation state of zero. Metals like zinc will also have an oxidation number of zero if they are in their natural solid state.

O2 and Cl2 are neutral diatomic, hence they will always have a zero oxidation state. It is impossible for one oxygen atom to have a negative 2 charge while the other has a positive 2. The oxidation states should be 0 if the elements are solids, liquids, or any type of diatomic molecule.

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brainly.com/question/6707068

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8 0
2 years ago
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Which of the following best explains how subsoil becomes rich in minerals?
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3 years ago
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Answer:

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3 years ago
The chemical definitions of acids and bases for Arrhenius are:
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Answer:

Explanation:

Arrhenius defined an acid as a substance that interacts with water to produce excess hydrogen ions in aqueous solution.

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Bronsted-Lowry theory defined an acid as a proton donor while a base is a proton acceptor.

6 0
3 years ago
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