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3 years ago

The number if particles in one molecule is?

Chemistry

1 answer:

igomit [66]3 years ago

5 0

6.022 x 10^23 particles in one molecule

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A) ¿De qué trata el cuento que leíste?<br>

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No hablo espanol could you put it in English?

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Despite the fact that the partial pressure difference is so much smaller for co2, why is there as much co2 exchanged between the

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3 years ago

Elements are arranged in groups by similar atomic structure on the periodic table. This allows for an element's properties to be

svlad2 [7]

D) energy required to remove a valence electron

Explanation:

The ionization energy is the energy required to remove a valence electron from an element.

Different kinds of atoms bind their valence electrons with different amount of energy.

To remove the electrons, energy must be supplied to the atom.
The amount of energy required to remove the an electron in the valence shell is the ionization energy or ionization potential.
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Ionization energy brainly.com/question/5880605

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3 years ago

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A student dissolved a 40-gram block of a salt in 100 grams of warm water at 45°C. The solution was allowed to cool down to 24°C.

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Answer: 28 grams

Explanation:

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Llana [10]

For the reactants,

The oxidation number of hydrogen = +1
The oxidation number of oxygen = -2
The oxidation number of arsenic = +5
The oxidation number of carbon = +3

For the products,

The oxidation number of hydrogen = +1
The oxidation number of oxygen = -2
The oxidation number of arsenic = +3
The oxidation number of carbon = +4

Here, arsenic (+5 to +3) and carbon (+3 to +4) are the only oxidation numbers changing.

Note that an increase in oxidation number means electrons are lost. Thus oxidation is occurring, and a decrease in oxidation number means electrons are being gained, and thus reduction is occurring.

Also, the compound that contains the element being oxidized is the reducing agent, and the compound that contains the element being reduced is the oxidizing agent.

So, the answers are:

name of the element oxidized: Carbon

name of the element reduced: Arsenic

formula of the oxidizing agent: $\text{H}_{3}\text{AsO}_{4}$

formula of the reducing agent: $\text{H}_{2}\text{C}_{2}\text{O}_{4}$

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2 years ago