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2 years ago

The common military explosive PETN (C5H8N4O12) belongs to the same chemical family as nitroglycerin, a

Chemistry

1 answer:

Gre4nikov [31]2 years ago

7 0

For 1 mole of C₅H₈N₄O₁₂ , 4 moles of water will be produced.

<h3>What is a Combustion Reaction ?</h3>

A combustion reaction is a chemical reaction in which a fuel/explosive undergoes oxidation , which results in release of high amount of energy.

The reaction of combustion of C₅H₈N₄O₁₂ (PETN) Explosive is

C₅H₈N₄O₁₂ → 4H₂O + 3CO₂ + 2CO + 2N₂

For 1 mole of C₅H₈N₄O₁₂ , 4 moles of water will be produced.

To know more about Combustion Reaction

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The radius of a lithium atom is 130 picometers, and the radius of a fluorine atom is 60 picometers. The radius of a lithium ion,

natali 33 [55]

Answer:

A positive ions is always smaller than the corresponding atom.

A negative ion is always larger than the corresponding atom.

Explanation:

The reason for this is that, when a positive ion is formed, a full shell is usually removed with its electrons thereby reducing the size of the electron cloud and decreasing the size of the electron cloud.

A negative ion is formed by addition of more electrons to the electron cloud hence it spreads out. Interelectronic repulsion accounts for the larger size of the negative ion.

3 0

3 years ago

You have 16.0 g of some compound and you perform an experiment to remove all of the oxygen, 11.2 g of iron is left. What is the

oksian1 [2.3K]

The empirical formula of this compound is equal to $Fe_{2}O_3$ .

<h3>Empirical formula</h3>

To calculate the empirical formula of a compound, it is necessary to know the number of moles present.

Therefore, we will use the molar mass of iron and oxygen to find the amount of moles, so that:

$MM_O = 16g/mol\\MM_Fe = 55.8g/mol$

$MM = \frac{m}{mol}$

Oxygen

$16 = \frac{4.8}{mol}$

$mol = 0.3$

Iron

$55.8 = \frac{11.2}{mol}$

$mol = 0.2$

Finally, as the empirical formula is composed of integers numbers of moles, just multiply the values by the smallest common factor to transform into an integer, so that:

O => $0.3 \times 10 = 3moles$

Fe => $0.2 \times 10 = 2moles$

So, the empirical formula of this compound is equal to $Fe_{2}O_3$

Learn more about empirical formula in: brainly.com/question/1363167

6 0

3 years ago

What is true of a molecule

kobusy [5.1K]

Answer:

All molecules of a compound have the same properties

Explanation:

Molecules are particles of elements or compounds that are made of more than one atoms.
Molecules of an element are made up of similar atoms. For example, Oxygen molecule, O₂, has two oxygen atoms and chlorine molecule, Cl₂, has two chlorine atoms.
Molecules of a compound are made up of different types of atoms, for example, a water molecule, H₂O is made up of two hydrogen atoms and one oxygen atom.
Molecules of a compound have similar properties that are similar to that of the compound. The properties of a molecule of a compound are different from those of an individual atom.

6 0

3 years ago

To squeeze a gas into a smaller space

Ray Of Light [21]

Compressing the gas. It will increase the pressure.

6 0

3 years ago

1. When you have 43 grams of sodium, how many grams of NaCl can you produce?

seropon [69]

Molar mass is the amount grams that one mole weighs.

Explanation: You need to find the molar mass of NaCl which is the same as the amu on the periodic table in grams. So it is 22.99(Na) + 35.45(Cl) = 58.44

You also know that for every mole of NaCl you have 1 mole of Na because every molecule of NaCl has 1 atom of Na.

Finally, using the periodic table, again, you see that the molar mass of Na is 22.99.

Then using stoichiometry, you can find the grams of sodium.

100(g NaCl) * 1 mol (NaCl)/58.44 g (NaCl) * 1 mol (Na)/ 1 mol (NaCl) * 22.99 (g of Na)/ 1 mol (Na)

which equals 39.339435 g of Na.

If you need to maintain significant figures the answer will be 40.

hope this helps

6 0

3 years ago