What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia? N2 + 3H2 --> 2NH3

Answers

Answer 1

Answer: Volume of hydrogen required to produce ammonia = 3*5 = 15L
since, 1 mole of nitrogen reacts with 3 moles of hydrogen to produce ammonia.
Amount of ammonia produced = 2*5 = 10L as 1 mole of nitrogen produces 2 moles of ammonia

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Initially, a 55.0 liter compressible container, holding 2.4 moles of a gas, exerts a pressure of 760 millimeters of mercury at a temperature of 280 Kelvin. What is the pressure when the container is compressed to 43.0 liters, the moles of gas reduces to 1.8 moles, and the temperature changes to 36 degrees Celsius?93.7 mm Hg 492 mm Hg 740 mm Hg 805 mm Hg
The ideal gas constant, R has several different values that could be used. Which quantity causes these differences?a. pressure b. temperature c. volume d. moles
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If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution,what is the concentration of the HCl ?

Answers

volume of NaOH = 54 mL / 1000 = 0.054 L

Molarity NaOH = 0.1 M

Number of moles NaOH :

n = M * v

n = 0.1 * 0.054

n = 0.0054 moles of NaOH

Finally we calculate the number of moles of HCl in the solution from the stoichiometry of the reaction :

HCl + NaOH = NaCl + H₂O

1 mole HCl -------- 1 mole NaOH
? moles HCl ------- 0.0054 moles NaOH

moles HCl = 0.0054 * 1 /1

= 0.0054 moles of HCl

Volume of HCl = 125 mL / 1000 = 0.125 L

M ( HCl ) = n / V

M = 0.0054 / 0.125

= 0.0432 M

hope this helps!

Consider this molecular‑level representation of a mixture of gases. There are three gas particles containing two spheres. There are six gas particles containing a single sphere of a different color. There are five gas particles containing a single sphere of a third color. If the partial pressure of the diatomic gas is 0.330 atm, what is the total pressure?

Answers

The total pressure of the gaseous mixture is 1.57 atm.

The mixture of the gases consists of 3 diatomic molecules, 6 monoatomic molecules, and 5 other monoatomic molecules.

The total number of molecules in the mixture are:

$\rm Total\;molecules\;=\;3+6+5\nTotal\;molecules\;=\;14$

Computation for the total pressure of the gas

The total pressure of a gas by Raoult's law is given as:

$\rm Total\;pressure=(Partial\;pressure)/(Mole\;fraction)$

The partial pressure of the diatomic gas is 0.330 atm.

The mole fraction of the diatomic gas is given as:

$\rm Mole\;fraction=(Molecules\;of\;diatomic\;gas)/(Total\;molecules) \n\nMole\;fraction=(3)/(14)\n\n Mole\;fraction=0.2$

The mole fraction of the diatomic gas is 0.2.

The total pressure of the gas is given as:

$\rm Total\;pressure=(0.330)/(0.2)\;atm\n\n Total\;pressure=1.57\;atm$

The total pressure of the gaseous mixture is 1.57 atm.

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Explanation:

The given data is as follows.

Number of particles of diatomic gas = 3

Number of particles of monoatomic gas = 6

Number of particles of another monoatomic gas = 5

Therefore, total number of particles or moles present will be as follows.

3 + 6 + 5 = 14

As we know that, mole fraction = $\frac{\text{moles of given substance}}{\text{total no. of moles}}$

Hence, more fraction of the diatomic gas will be as follows.

mole fraction = $\frac{\text{moles of given substance}}{\text{total no. of moles}}$

= $(3)/(14)$

= 0.21

Now, formula to calculate partial pressure will be as follows.

Partial pressure of one species = molar fraction of that species x total pressure

Therefore, $P_(diatomic) = \text{mole fraction diatomic} * P_(total)$

$P_(total) = (0.330 atm)/(0.21)$

= 1.57 atm

Thus, we can conclude that total pressure is 1.57 atm.

Where earth's plates move, they may slide alongside one another, pull apart, or A. Collies
B. Divide

Answers

The earth's plates move, slide alongside one another, pull apart, or collide. Therefore, option (A) is correct.

What is it called when tectonic plates collide?

If two tectonic plates of the earth collide there is the formation of a convergent plate boundary. One of the converging plates will usually move beneath the other is called subduction.

The fluids are released from the rock as the sinking plate moves deeper into the mantle, causing the overspreading mantle to partially melt. The new magma rises and forms volcanoes.

When two plates are pulling apart from each other, it is a divergent plate boundary. The magma rises from deep within the Earth along these boundaries and forms a new crust on the lithosphere. Most divergent plate boundaries form submarine mountain ranges known as oceanic spreading ridges and are underwater.

Another type of plate boundary that occurs when tectonic plates slide alongside one another is known as a transform plate boundary. As the earth's plates rub each other, large stresses can cause the rock to break, resulting in earthquakes.

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The answer is A...
Well one is usually heavier than the other plate so i think A

What is the ratio of NO:N2 in the given reaction4NH3+6NO->5N2+6H2O?
A) 5:6
B) 6:5
C) 4:5
D) 5:4

Answers

The ratio of NO:N2 in the given reaction is4NH3+6NO->5N2+6H2O

Since you have six moles of NO and 5 moles of N2, the ratio of NO:N2 is 6:5. The answer is letter B.

What are some uses of metals?

Answers

They are used to make plane bodies.
Some are used for electrical wires eg copper because they are good conductors of electricity.
Used in building materials.
used to make jewelry eg gold and silver

Copper and aluminium wire are used to carry electric current.Copper, aluminium and iron are used to make domestic utensils and factory equipment.Thin foils of aluminium are used for wrapping cigarettes, medicines, confectionery, etc.Aluminium is used for making angles, doors, pipes, etc. which are used in the construction of houses.Metals such as sodium, titanium, zirconium, etc. are used in generation of nuclear energy and in space science projects.Mercury is used in thermometers.Magnesium metal is used as a strong reducing agent to prepare other metals.Gold and silver metals are used to make jewellery.Thin foils of silver and gold are used to decorate sweets.Uranium metal is used to generate nuclear energy.Titanium metal is very hard, resistant to corrosion, light, has high melting point and is good conductor of heat and electricity. Because of its unique and useful properties titanium is sometimes called ‘the wonder metal’.

Predict whether a reaction will occur when HClO and Sr(OH)2 solutions are mixed, if yes determine spectator ions in the ionic equation.

Answers

Answer:

$ClO^-\n\nSr^(2+)$

Explanation:

Hello there!

In this case, according to the reaction between hypochlorous acid and strontium hydroxide which yields stontium hypochlorite and water as a neutralization reaction:

$2HClO(aq)+Sr(OH)_2(aq)\rightarrow Sr(ClO)_2(aq)+2H_2O(l)$

Thus, since HClO is a weak acid, it is not fully ionized so the complete ionic equation turns out to be:

$2H^++2ClO^-+Sr^(2+)+2(OH)^-\rightarrow Sr^(2+)+2(ClO)^-+2H_2O(l)$

Whereas the spectator ions, which remain the same at both sides of the equation, are:

$ClO^-\n\nSr^(2+)$

Best regards!

Final answer:

A reaction occurs when HClO and Sr(OH)2 are mixed forming Sr(ClO)2 and H2O. In this reaction there are no spectator ions as all ions participate in the reaction forming new compounds.

Explanation:

When HClO (hypochlorous acid) and Sr(OH)2 (strontium hydroxide) solutions are mixed, a reaction takes place, resulting in the formation of Sr(ClO)2 and H2O. In this reaction, Sr2+ and OH- from Sr(OH)2 and H+ and ClO- from HClO are the ions that participate, therefore there are no spectator ions in the reaction. In the net ionic equation, spectator ions are the ions that remain the same in their ionic form on the both sides of the equation (reactant side and product side), thus, in this case, there are none. It's important to understand the concept of

solubility guidelines

and their use in determining reaction outcomes and recognizing

spectator ions

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