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Daniel [21]
3 years ago
14

What is an electrically charged atom? A. ion B. isotope C. molecule D. compound

Chemistry
2 answers:
Leokris [45]3 years ago
8 0
Hey!


ANSWER:
An electrically charged atom is an ion.

Hope this helps!


— Lindsey Frazier ♥️
Xelga [282]3 years ago
7 0

Answer: Option (A) is the correct answer.

Explanation:

When a neutral atom loses an electron then it acquires a negative charge and if a neutral atom gains an electron then it acquires a positive charge. Hence, an ion is formed in both the cases.

For example, sodium on losing an electron become Na^{+} ion.

An isotope is defined as the specie which contains same number of protons but different number of neutrons.

For example, ^{14}_{7}N and ^{15}_{7}N are isotopes.

A molecule is defined as a substance that contains chemically combined two or more number of atoms of an element.

For example, Cl_{2} is a molecule.

Whereas a compound is defined as a substance in which different atoms of different elements chemically combine together in a fixed ratio by mass.

For example, H_{2}O is a compound.

Thus, we can conclude that an ion is an electrically charged atom.

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When CO2(g) is put in a sealed container at 730 K and a pressure of 10.0 atm and is heated to 1420 K , the pressure rises to 24.
d1i1m1o1n [39]

Answer:

48%

Explanation:

Based on Gay-Lussac's law, the pressure is directly proportional to the temperature. To solve this question we must assume the temperature increases and all CO2 remains without reaction. The equation is:

P1T2 = P2T1

<em>Where Pis pressure and T absolute temperature of 1, initial state and 2, final state of the gas:</em>

P1 = 10.0atm

T2 = 1420K

P2 = ?

T1 = 730K

P2 = 10.0atm*1420K / 730K

P2 = 19.45 atm

The CO2 reacts as follows:

2CO2 → 2CO+ O2

Where 2 moles of gas react producing 3 moles of gas

Assuming the 100% of CO2 react, the pressure will be:

19.45atm * (3mol / 2mol) = 29.175atm

As the pressure rises just to 24.1atm the moles that react are:

24.1atm * (2mol / 19.45atm) = 2.48 moles of gas are present

The increase in moles is of 0.48 moles, a 100% express an increase of 1mol. The mole percent that descomposes is:

0.48mol / 1mol * 100 = 48%

8 0
3 years ago
A student used standard solutions of aspirin in a FeCl3-KCl-HCl mixture to plot a graph of molarity versus absorbance for dilute
kvasek [131]

Answer:

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What is the main benefit of this model?
igor_vitrenko [27]

Answer:

letter D.

Explanation:

it shows a pattern for determining the side of lengths of a triangle yeah the triangle had a model and a length

4 0
2 years ago
Global warming is most closely associated with
Tatiana [17]

Answer:

Increases in the frequency of intense rainfall,

Decreases in snow cover and sea ice,

More frequent and intense heat waves,

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Explanation:

4 0
2 years ago
Read 2 more answers
Iron and oxygen form rust. How many moles of rust should be produced if 1
kakasveta [241]

Answer:

1.387 moles

Explanation:

Step 1:

The balanced equation for the reaction. This is illustrated below:

4Fe + 3O2 —> 2Fe2O3

Step 2:

Determination of the number of mole of Fe in 155.321g of Fe. This can be achieved by doing the following:

Mass of Fe = 155.321g

Molar Mass of Fe = 56g/mol

Number of mole of Fe =?

Number of mole = Mass/Molar Mass

Number of mole of Fe = 155.321/56

Number of mole of Fe = 2.774 mol

Step 3:

Determination of the number of mole of rust (Fe2O3) produced. This is illustrated below:

From the balanced equation above,

4 moles of Fe produced 2 moles of Fe2O3.

Therefore, 2.774 moles of Fe will produce = (2.774 x 2)/4 = 1.387 moles of Fe2O3.

Therefore, 1.387 moles of rust (Fe2O3) is produced from the reaction

6 0
3 years ago
Read 2 more answers
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