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3 years ago

What would happen if N2 were added to N2(g) + O2(g) = 2NO(9) at

Chemistry

1 answer:

DerKrebs [107]3 years ago

4 0

Balanced chemical equation is :

$N_2(g)+O_2(g)-->2NO(g)$

It is given that the equation is in equilibrium.

We need to find what will happen if we add more $N_2$ is added .

By Le Chatelier's principle :

Changing the concentration of a chemical will shift the equilibrium to the side that would counter that change in concentration.

It means production of the side where content is added will decrease and concentration on other side will increase .

So , more NO would form .

Therefore, option B. is correct.

Hence, this is the required solution.

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SashulF [63]

This is not the best way to organize a periodic table because two elements might have similar atomic mass.

<h3>What is periodic table?</h3>

Periodic table is a chart in which arrangement of chemical elements are done.

In the early periodic table elements are arranged on the basis of their atomic masses, while after sometime Moseley arranged the periodic table on the basis of atomic number as he proposed that properties of an element is justified on the basis of number if electrons.

And mass of two substances may be same so it is difficult to differentiate between them.

Hence, two elements might have similar atomic mass.

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6 0

2 years ago

A ruler has smallest graduations that increase by 1 cm

Tatiana [17]

The acceptable measurement of the length of the piece of paper is 3.5 cm.

<h3>What is measuring accuracy of a ruler?</h3>

The measuring accuracy of ruler determines how precise or accurate the length of an object is measured.

The limit of accuracy of a ruler is indicated by how "precisely" you can read the length on that ruler's scale—that is, how well you can estimate between the marks.

In a ruler the distance between the closest marks is 0.1 cm.

This implies that the measuring accuracy of meter rule is 0.1 cm.

The acceptable measurement of the length of the piece of paper is calculated as follows;

length = (3 cm + 4 cm)/2 = 3.5 cm

Thus, the acceptable measurement of the length of the piece of paper is 3.5 cm.

Learn more about measuring accuracy of meter rule here: brainly.com/question/16548360

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7 0

2 years ago

The molecular aggregation for bromine most likely be

tankabanditka [31]

The aggregation state, or state of aggregation, is the form of the substance in different kinds of states. For example, Bromine could occur as solid, liquid or gas. For all these forms, its molecular aggregation is diatomic in nature. It is always written as Br₂.

7 0

3 years ago

Read 2 more answers

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the

Alchen [17]

In the first law of thermodynamics, it states when heat is converted into energy, where as the total energy in the room could transform into another but can never be created or destroyed. If you release 258J of energy in the room, 258J would also be removed from the food according to the isolating system.

Your answer would be 258J.

4 0

3 years ago

The density of lithium is 0. 546 g/cm3. what volume is occupied by 3. 66 x 10 23 atoms of lithium?

s344n2d4d5 [400]

The volume occupied by 3.66 x $10^{23}$ atoms of lithium is 7.73 $cm^3$

<h3>What is Density?</h3>

The density of a substance is defined as the mass of the substance per unit volume. It is often denoted by the symbol ρ

The density of a substance is given by,

$\rho = \frac{m}{V}$

The mass of a substance is the measure of the amount of matter present in it. It is generally measured in grams (g) or kilograms (kg).

The volume of a substance is defined as the amount of 3D space occupied by it.

<h3>What is Mole Concept?</h3>

It is a concept which uses mole as a unit to measure the number of atoms, molecules or ions.

A mole is defined as the amount of substance which has the same number of elementary particles as there are atoms in 12 grams of $\ce{^{12}C}$

1 mole = Avogadro's number = 6.022 x $10^{23\\$ atoms

<h3>Steps to find out the volume</h3>

Molar Mass of Lithium = 6.94 g/mol

1 mole of Lithium has 6.022 x $10^{23}$ atoms

3.66 x $10^{23}$ atoms of lithium has molar mass = $\frac{6.94 g}{6.022\times10^{23} } \times 3.66 \times 10^{23}$

$m = 4.218 g$

Substitute in density formula,

$\rho = \frac{m}{V}$

$V = \frac{m}{\rho}$

$=\frac{4.218g}{0.546g/cm^3}$

= 7.73 $cm^3\\$

Therefore, 3.66 x $10^{23}$ atoms of lithium occupies 7.73 $cm^3\\$ of volume.

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3 0

2 years ago