Write the equilibrium constant expressions for the following equilibria: H2(g) + I2(g) ⇌ 2HI(g)

The balanced chemical equation for the reaction between nitrogen and hydrogen to form ammonia is:

N2(g) + 3H2(g) ⟶ 2NH3(g)

Using the given initial moles of nitrogen and hydrogen, we can calculate the limiting reactant and the amount of ammonia produced.

Number of moles of N2 = 0.100 mol

Number of moles of H2 = 0.321 mol

To determine the limiting reactant, we need to compare the moles of each reactant to their stoichiometric ratio in the balanced equation. The stoichiometric ratio of N2 to H2 is 1:3, which means that 1 mole of N2 reacts with 3 moles of H2 to produce 2 moles of NH3.

Moles of H2 required = 3 x moles of N2 = 3 x 0.100 = 0.300 mol

Since we have more moles of H2 than required (0.321 mol), H2 is in excess and N2 is the limiting reactant.

The amount of NH3 produced is determined by the moles of the limiting reactant. Since 1 mole of N2 reacts with 2 moles of NH3, the number of moles of NH3 produced is:

Moles of NH3 = 2 x moles of N2 = 2 x 0.100 = 0.200 mol

Therefore, 0.200 mol of NH3 are produced.

To calculate the moles of H2 and N2 remaining, we need to determine how much of each was not consumed in the reaction. Since N2 is the limiting reactant, all of the H2 would not be consumed, but only a portion of the N2 would react.

Moles of H2 remaining = Initial moles of H2 - Moles of H2 consumed

Moles of H2 remaining = 0.321 mol - (3 x moles of N2 consumed)

Moles of H2 remaining = 0.321 mol - (3 x 0.100 mol)

Moles of H2 remaining = 0.021 mol

Therefore, 0.021 mol of H2 remains.

Moles of N2 remaining = Initial moles of N2 - Moles of N2 consumed

Moles of N2 remaining = 0.100 mol - moles of N2 consumed

Moles of N2 remaining = 0.100 mol - 0.100 mol

Moles of N2 remaining = 0 mol

Therefore, all of the N2 is consumed and 0 moles of N2 remains.

In summary:

\(\huge{\colorbox{black}{\textcolor{lime}{\textsf{\textbf{I\:hope\:this\:helps\:!}}}}}\)

\(\begin{align}\colorbox{black}{\textcolor{white}{\underline{\underline{\sf{Please\: mark\: as\: brillinest !}}}}}\end{align}\)

\(\textcolor{blue}{\small\textit{If you have any further questions, feel free to ask!}}\)

\({\bigstar{\underline{\boxed{\sf{\textbf{\color{red}{Sumit\:Roy}}}}}}}\\\)

100Eu+e 16S---Sm150  represents alpha decay because  minimum penetration power and highest ionization power.

A positively charged particle similar to the helium-4 nucleus is spontaneously released during alpha decay. Two protons and two neutrons make up this particle, also referred to as an alpha particle. Sir Ernest Rutherford made the discovery and gave it a name in 1899.

The nuclei of heavy elements like radium, uranium, thorium, etc. undergo alpha decay. When a radium (Ra) nucleus decays, it releases an alpha particle and transforms into a radon (Rn) nucleus.

To know more about alpha decay visit:-

https://brainly.com/question/27870937

#SPJ1

The pressure of hydrogen gas formed is 709.5 mmHg.

Partial pressure is the pressure exerted by a single gas component in a mixture of gases, assuming all other gases are held constant.

In this case, the hydrogen gas is formed by a chemical reaction.

To calculate the partial pressure of hydrogen gas, we need to subtract the vapor pressure of water from the total pressure of the gas collected.

The vapor pressure of water at 18.0 °C is 15.5 mmHg.

Therefore, the partial pressure of hydrogen gas can be calculated as:

Partial pressure of hydrogen gas = Total pressure - Vapor pressure of water

Partial pressure of hydrogen gas = 725.0 mmHg - 15.5 mmHg = 709.5 mmHg

To know more about hydrogen gas here

brainly.com/question/12494649

#SPJ1

Explanation:

To calculate the pH of a buffer with a known pKa for the conjugate acid, the Henderson-Hasselbach equation can be used to obtain the pH of the buffer:

\(pH = pK_a + log_{10}(\frac{[A^-]}{[HA]} )\)

[A-] is the concentration of the conjugate base and [HA] is the concentration of the conjugate acid.

The pair of compounds forms a homogeneous solution when combined are : A. homogeneous solution, B. non homogeneous solution, C. homogeneous solution, D. non homogeneous solution.

Part A) :- (a) CH₃CH₂CH₂CH₂CH₃ and CH₃CH₂CH₂CH₂CH₂CH₃ form a homogeneous solution because they are both nonpolar molecules and therefore have similar intermolecular forces.

(b) CBr₄ and H₂O do not form a homogeneous solution because CBr₄ is a nonpolar molecule and H₂O is a polar molecule, so they have different intermolecular forces and are not miscible.

(c) LiNO₃ and H₂O form a homogeneous solution because LiNO₃ is an ionic compound that dissolves in water to form a solution.

(d) CH₃OH and CH₃CH₂CH₂CH₂CH₃ do not form a homogeneous solution because CH3OH is a polar molecule and CH₃CH₂CH₂CH₂CH₃ is a nonpolar molecule, so they have different intermolecular forces and are not miscible.

Part B)

For the homogeneous solutions, the type of forces involved are:

(a) CH₃CH₂CH₂CH₂CH₃ and CH₃CH₂CH₂CH₂CH₂CH₃: London dispersion forces (induced dipole-induced dipole)

(c) LiNO₃ and H₂O: Ion-dipole forces.

know more about homogeneous solution here

https://brainly.com/question/3293242#

#SPJ11

Answer:

13.672

Explanation:

2 moles of OH in Ba(OH)₂

0.235 M × 2 mol OH = 0.47 M OH

pOH = -log[OH-] ; pOH = -log[0.47 M OH] ; 0.328 = pOH (consider significant figures)

14 - pOH = pH because pH + pOH = 14

14 - 0.328 = 13.672 [there are three decimal places after the OH concentration, so there should be in the answer as well - 13.672]

Answer:

It should be c. 8 moles

Object Action to Release Energy Energy Transformation

Flashlight Press the switch Electric Energy → Light Energy

Chocolate Consume or melt Chemical Energy → Thermal Energy

Gas Ignite or burn Chemical Energy → Thermal Energy

Dynamite Detonate Chemical Energy → Mechanical Energy + Thermal Energy + Sound Energy + Light Energy

Olympic diver Jump or dive Potential Energy (Gravitational) → Kinetic Energy (Mechanical)

on platform  

Match Strike against a rough surface Chemical Energy → Thermal Energy + Light Energy

Stretched elastic band Release one end Elastic Potential Energy → Kinetic Energy (Mechanical)

Flashlight: To release the stored energy in a flashlight, you need to press the switch. This action completes an electrical circuit, allowing the electric energy stored in the battery to flow through the bulb, transforming into light energy.

Chocolate: Consuming or melting chocolate releases its stored energy. When you eat chocolate, it undergoes a chemical reaction in your body, breaking down the complex molecules and converting the chemical energy stored in the chocolate into thermal energy, providing you with warmth.

Gas: The stored energy in gas can be released by igniting or burning it. When gas reacts with oxygen in the presence of heat or a flame, a chemical reaction occurs, converting the chemical energy stored in the gas into thermal energy and producing light and heat.

Dynamite: To release the stored energy in dynamite, it needs to be detonated. When detonated, the chemical energy stored in dynamite rapidly transforms into various forms of energy, including mechanical energy (shockwave and debris movement), thermal energy (from the explosion heat), sound energy (from the blast), and light energy (from the explosion flash).

Olympic diver on platform: The stored energy in an Olympic diver on a platform is gravitational potential energy. To release this energy, the diver needs to jump or dive off the platform, converting the potential energy into kinetic energy as they descend, eventually entering the water.

Match: To release the stored energy in a match, you need to strike it against a rough surface. This action causes a chemical reaction in the match head, converting the chemical energy stored in the match into thermal energy and light energy, resulting in a flame.

Stretched elastic band: Releasing one end of a stretched elastic band allows it to return to its original shape, converting the stored elastic potential energy into kinetic energy. As the elastic band snaps back, it moves and vibrates, exhibiting mechanical energy.

These examples demonstrate different energy transformations, including chemical energy being converted to thermal energy, electrical energy transformed into light energy, potential energy being converted to kinetic energy, and elastic potential energy being converted to mechanical energy.

For more such questions on Energy Transformation

https://brainly.com/question/20735045

#SPJ11

The amount of energy transferred to the gas by heat is:

\(Q = (5/2)nRT_{1} - (3/2)nRT_{2}\)

ΔU = Q - W

where ΔU is the change in the system's internal energy, Q is the heat it adds, and W is the work it performs.

In this problem, the first step is carried out at constant volume, so no work is done by the system (W = 0). Therefore, the heat added to the system in the first step is equal to the change in internal energy:

\(Q_{1}\) = Δ\(U_{1}\)

We can use the ideal gas law to relate the initial pressure, volume, and temperature of the gas to its initial internal energy:

\(U_{1} = (3/2)nRT_{1}\)

where n is the number of moles of gas, R is the gas constant, and T1 is the initial temperature.

Similarly, we can use the ideal gas law to relate the pressure, volume, and temperature of the gas after the first step to its internal energy:

\(U_{2} = (3/2)nRT_{2}\)

where T2 is the temperature of the gas after the first step.

Since the first step is carried out at constant volume, we have:

\(V2 = V1\)

Using the ideal gas law, we can relate the pressure, volume, and temperature of the gas after the second step to its internal energy:

\(U_{3} = (3/2)nRT_{3}\)

where T3 is the temperature of the gas after the second step.

Since the second step is carried out at constant pressure, we have:

\(V_{3} = 4V_{2} = 4V_{1}\)

and

\(P_{3} = 5P_{2} = 5P_{1}\)

Using the ideal gas law, we can relate the temperature of the gas after the second step to its initial pressure, volume, and temperature:

\(T_{3} = (5/3)(P_{1} V_{1} /T_{1} )(4V_{1} /5P_{1} ) = (4/3)T_{1}\)

The change in internal energy of the gas during the two-step process is:

\(U = U_{3} - U_{1} \\= (3/2)nRT_{3} - (3/2)nRT_{1} \\= (3/2)nR((4/3)T_{2} - T_{1} )\\= (1/2)nRT_{1}\)

Therefore, the heat added to the gas during the first step is:

\(Q_{1}\) = Δ\(U_{1} = (1/2)nRT_{1}\)

and the heat added to the gas during the second step is:

\(Q_{2}\) = Δ\(U_{2} = U_{3} - U_{2}\)

\(= (3/2)nRT_{3} - (3/2)nRT_{2} \\= (3/2)nR((4/3)T_{1} - T_{2} )\)

The total heat added to the gas during the two-step process is:

\(Q = Q_{1} + Q_{2} \\= (1/2)nRT_{1} + (3/2)nR((4/3)T_{1} - T_{2} )\\= (5/2)nRT_{1} - (3/2)nRTx_{2}\)

Therefore, the amount of energy transferred to the gas by heat is:

\(Q = (5/2)nRT_{1} - (3/2)nRT_{2}\)

for such more question on volume

https://brainly.com/question/19491767

#SPJ4

Question

A container is filled with an ideal diatomic gas to a pressure and volume of P1 and V1, respectively. The gas is then warmed in a two-step process that increases the pressure by a factor of five and the volume by a factor of four. Determine the amount of energy transferred to the gas by heat if the first step is carried out at constant volume and the second step at constant pressure. (Use any variable or symbol stated above as necessary.)

We can approach this problem using the first law of thermodynamics, which states that the change in internal energy of a system is equal to the heat added to the system minus the work done by the system:

When hydrogen bromide (HBr) is added to 2-methylbut-2-ene ((CH3)2CCHCH3), an electrophilic addition reaction takes place, where the π bond of the alkene is broken, and the hydrogen and bromine atoms are added to the resulting carbocation.

The reaction proceeds through a Markovnikov addition, where the hydrogen atom attaches to the carbon atom with the greater number of hydrogen atoms.

In this case, the initial addition of HBr to 2-methylbut-2-ene leads to the formation of a primary carbocation, as the positively charged carbon atom only has one alkyl group attached to it. The primary carbocation is relatively unstable, and it can undergo a rearrangement to form a more stable secondary carbocation.

The major product that is typically obtained is the 2-bromo-2-methylbutane. The hydrogen atom from HBr adds to the carbon with three hydrogen atoms (the more substituted carbon), resulting in the formation of a secondary carbocation.

On the other hand, a minor product is also formed, which is 3-bromo-2-methylbutane. This product arises from the addition of HBr to the primary carbocation, which is less stable. Although the primary carbocation is less favored, it can still be formed and lead to the formation of the minor product.

In summary, the addition of HBr to 2-methylbut-2-ene yields two products: the major product is 2-bromo-2-methylbutane, resulting from the addition of HBr to the more stable secondary carbocation, and the minor product is 3-bromo-2-methylbutane, originating from the less stable primary carbocation.

For more such questions on  electrophilic addition visit:

https://brainly.com/question/9643304

#SPJ8

Answer: 4.76 * 10^2

476.

you bring the ending decimal to the first number and it takes you two hops to get the first number so that's what you put in the box after the 10

Answer:

So... for the element of SODIUM, you already know that the atomic number tells you the number of electrons. That means there are 11 electrons in a sodium atom. Looking at the picture, you can see there are two electrons in shell one, eight in shell two, and only one in shell three.

Explanation:

brainliest pleaseeee <3

Answer:

so there would be 2 electrons because

Explanation:

sodium has 11 electrons but if you look at the shels it onl has one electron (from the image im looking at) and the other shell only have one so theres 2 electrons

Answer:

See attached picture.

Explanation:

Hello,

In this case, given the compounds we notice:

a. Since carbon has four valence electrons (group IVA), it has three hydrogen atoms around it as well as a fluorine atom which has seven valence electrons (group VIIA). Moreover, we notice both carbon and fluorine attaining the octet.

b. In this case, two nitrogen atoms which have five valence electrons each (groupVA) are bonded via a single bond and two hydrogen atoms are bonded to each nitrogen atom in order to attain the octet for nitrogen only.

Thus, structures are given on the attached picture.

Regards.

Lewis structure for each covalent molecule CH₃F and N₂H₄ are attached to the image below.

a. CH₃F:

Carbon (C) has 4 valence electrons, Hydrogen (H) has 1 valence electron, and Fluorine (F) has 7 valence electrons.

The total number of valence electrons in CH3F can be calculated as follows:

1 carbon atom (C) × 4 valence electrons = 4 valence electrons

3 hydrogen atoms (H) × 1 valence electron = 3 valence electrons

1 fluorine atom (F) × 7 valence electrons = 7 valence electrons

Total valence electrons = 4 + 3 + 7 = 14

b. N₂H₄:

Nitrogen (N) has 5 valence electrons, and Hydrogen (H) has 1 valence electron.

The total number of valence electrons in N2H4 can be calculated as follows:

2 nitrogen atoms (N) × 5 valence electrons = 10 valence electrons

4 hydrogen atoms (H) × 1 valence electron = 4 valence electrons

Total valence electrons = 10 + 4 = 14

To learn more about the Lewis structure, follow the link:

https://brainly.com/question/29603042

#SPJ6

Answer:

(9.20×10)-7

92-7

=85

Explanation:

Multiplication comes first in BODMAS

Hope it helps

Answer:

C) 3

Explanation:

Given data;

Number of moles of oxygen produced = ?

Moles of KClO₃ decomposed = 2 mol

Solution:

Chemical equation;

2KClO₃      →      2KCl + 3O₂

Now we will compare the moles of KClO₃  with  O₂

                        KClO₃           :           O₂

                           2                :            3

Thus, 3 moles of oxygen are produced.

Answer:

2SO2(g)+O2(g)—>2SO3(g)

Explanation:

Answer:

B.) 6

Explanation:

Attached below is the Lewis structure of PCl₃ . Since phosphorus (P) has 5 valence electrons and chlorine (Cl) has 7 valence electrons, there should be 26 valence electrons (5 + 7(3) = 26) in the Lewis structure.

Bonding electrons are the electrons present in the chemical bonds between two atoms.

There are 2 electrons shared in every single bond. Within PCl₃, there are 3 single bonds. As such, there are 6 bonding electrons in the Lewis structure of PCl₃.

Answer:

167.217g/mol

Explanation:

Formula mass is defined as the mass in grams that a mole of a molecule weighs. To solve the formula mass of ZrF₄ we require the molar mass of Zr and of F (Molar mass Zr: 91.225g/mol; F: 18.998g/mol)

In this molecule, there is 1 mole of Zr and 4 moles of F. The formula mass is:

Zr = 1*91.225g/mol = 91.225g/mol

F = 4*18.998g/mol = 75.992g/mol

Formula mass: 91.225g/mol + 75.992g/mol

If 60 grams of the substance are added to 100 g of water, the solution can be categorized as supersaturated.

The graph shows the number of grams that can be dissolved in 100 grams of water at different temperatures. In general, solubility increases with temperature.

According to the graph, at a temperature of 30°C, it is possible to dissolve a total of 48 to 49 grams of \(KNO_{3}\). This information implies that if we add 60 grams at this temperature not all the substance would be dissolved, and therefore the solution would be supersaturated.

Learn more about solubility in https://brainly.com/question/31493083

#SPJ1

The non-metal elements in Group 7 – known as the halogens – get less reactive as you go down the group

Answer & Explanation:

The reactivity of elements in Group VII, also known as Group 17, decreases with increasing atomic radius. This is because halogens have high electronegativities and a proclivity to gain electrons in noble gas configurations. Myths are traditional stories or beliefs that explain cultural or societal beliefs, customs, or natural phenomena. They can be passed down through generations and can be based on true or fictitious events. Mythology, on the other hand, is the collection of myths associated with a specific culture or religion. Mythology can be amplified through retelling, incorporation into religious practices; association with significant events or figures, and adaptation into other media forms such as literature, film, or art.

Answer:

Prokaryotes are cells that lacks nucleus

Explanation:

Hope you have a great amazing day and winter break:)

Answer:

It is a combustion reaction

Explanation:

I'm not sure about the number, but for sure it's a combustion reaction because the products are water and co2.

Answer:

the wall pushes back on you with a FORCE equal in strength to the force you exerted.

The mass of the carbon dioxide is  49.72 g from the calculation done.

The phrase "mole fraction," which is often referred to as "molar fraction" or "amount fraction," is used to describe the proportions of a mixture's components. It is an intangible quantity that expresses the proportion between the moles of a given component and the total moles in the combination.

We know that;

Number of moles of ethanol = 9.2/46 g/mol

= 0.2 moles

Now;

Number of moles of water = 216.0 g/18 g/mol

= 12 moles

Mole fraction of water = Number of water/ Total number of moles

0.9 = 12/12 + 0.2 + x

0.9(12.2 + x) = 12

10.98 + 0.9x = 12

x = 1.13 moles

Now;

Moles = mass/Molar mass

1.13 = x/44

x = 49.72 g

Learn more about mole fraction:https://brainly.com/question/30724931

#SPJ1

Answer:

C = 67%

O = 22%

H = 11%

Explanation:

Given C = 12, O = 16, H = 1

C8 = 8(12) = 96

O2 = 2(16) = 32

H16 = 16(1) = 16

Total molar mass = 96 + 32 + 16 = 144

% of C = 96/144 = 0.67 = 67%

% of O = 32/144 = 0.22 = 22%

% of H = 16/144 = 0.11 = 11%

The position and energy of an electron are intricately linked in the quantum realm.

The position of an electron is related to its energy through the principles of quantum mechanics. According to the Bohr model, electrons occupy specific energy levels or orbitals around the nucleus of an atom. These energy levels are quantized, meaning they can only have specific values. Electrons with lower energy are found closer to the nucleus in lower energy levels, while those with higher energy occupy outer energy levels. The energy of an electron is directly proportional to its distance from the nucleus. As the electron transitions between energy levels, it either absorbs or emits energy in discrete quantities known as photons. The energy of an electron can also be influenced by external factors such as electric and magnetic fields.

For more such questions on electron

https://brainly.com/question/26084288

#SPJ11

The instantaneous rate of reaction at 17 minutes is approximately -0.178 mol dm⁻³

To find the instantaneous rate of reaction at 17 minutes, we can use the concept of differential calculus and estimate the slope of the tangent line at t=17 on the graph of rate versus time.

To do this, we can use the formula for the slope of a line

slope = (change in y) / (change in x)

In this case, the "y" values are the rates of reaction and the "x" values are the times. We want to find the slope at t=17, so we can choose two points that are very close to t=17, such as t=15 and t=20. Then, we can use these values to estimate the slope at t=17

slope = (rate at 20 min - rate at 15 min) / (20 min - 15 min)

slope = (0.135 - 0.223) / (20 - 15)

slope = -0.178

This slope represents the instantaneous rate of reaction at t=17. However, since it has a negative value, it means that the rate of reaction is decreasing at t=17.

Therefore, the instantaneous rate of reaction at 17 minutes is approximately -0.178 mol dm⁻³

To know more about instantaneous rate here

https://brainly.com/question/28644129

#SPJ1

The exothermic processes are;

freezing of water into ice

sodium hydroxide dissolving in water producing a hot solution

condensation of water vapor into rain droplets

We know that an exothermic reaction has to do with the kind of reaction that involves the loss of energy. This implies that energy is given out by the system.

In this case we would look for the kind of processes in which the temperature would increase at the end of the process much higher than it was at the beginning of the process.

Learn more about exothermic reaction:https://brainly.com/question/10373907

#SPJ1