Ammonia is formed from the reaction of nitrogen and hydrogen according to the equation:
N2(g) + 3H2(g) 2NH3(g)
What is the maximum number of moles of ammonia that can be formed from the reaction of 27 moles of hydrogen?
A
41
B
27
18
D
9

Answer:

D.Metallic

Explanation:

The metallic model is often characterized as a "sea of electrons". This is because the electrons delocalize from the ion's orbitals, allowing them to roam freely around the substance. This is what the model is showing.

If this helped, a brainliest would be greatly appreciated!

Answer:

Option a

Explanation:

simple

Answer:

The two solutions do not react with each other unless the water is boiled off, then the two will decompose.

Explanation:

Answer:

1500 meters per second

Explanation:

which is 15 football fields

Answer:

1 to 8 km per second.

the equilibrium constant for the given reaction at 298 K is 8.96 x 10^-7.

The equilibrium constant for the given reaction, CIO(g) + O2(g) → Cl(g) + O3(g), at 298 K can be determined using the Gibbs free energy of the reaction and the following equation:ΔG° = - RT lnK

where ΔG° is the standard Gibbs free energy change, R is the gas constant, T is the temperature in Kelvin, and K is the equilibrium constant.

The equation can be rearranged to solve for K:K = e^(-ΔG°/RT)where e is the natural logarithmic base, and all other variables are the same as in the previous equation.Substituting the given values,

we have:ΔG° = 34.5 kJ/molR = 8.314 J/(mol·K)T = 298 K

Using these values, we get:-

ΔG°/RT = (-34.5 × 10^3 J/mol) / (8.314 J/(mol·K) × 298 K)

= -13.19e^(-ΔG°/RT) = e^(-13.19) = 8.96 × 10^-7

Therefore, the equilibrium constant for the given reaction at 298 K is 8.96 x 10^-7.

learn more about equilibrium constant here

https://brainly.com/question/3159758

#SPJ11

Answer:

room

Explanation:

because it'd in your house and u go there everyday and sleep and live there

The molarity of a solution consisting of 6.0 moles of nacl dissolved in a total 3.0l of solution is 2.0 M.

The molarity of the solution is calculated by dividing the moles of solute by the volume of solution in liters. In this case, we have 6.0 moles of NaCl dissolved in a total volume of 3.0 liters of solution.

Therefore, the molarity of the solution is:
Molarity = moles of solute / volume of solution in liters
Molarity = 6.0 moles / 3.0 liters
Molarity = 2.0 M
So, by calculating the molarity of the solution, the result is 2.0 M (M stands for molar, which is a unit of concentration).

To know more about the molarity refer here :

https://brainly.com/question/8732513#

#SPJ11

Answer:

Electrolysis of water

Explanation:

The electrolysis of water is a decomposition reaction in which electricity is used to break down a compound into simpler molecules.

Decomposition of water is carried out in the Hofman Voltameter.

This process is achieved by passing current through an acidified water.

The expression is given as:

               2H₂O →  2H₂   +  O₂

The reaction of ∆G° is -14,736 J. A negative ∆G° indicates that the reaction can proceed spontaneously without the input of external energy.

To calculate ∆G° (standard Gibbs free energy change) for a reaction, we can use the equation:

∆G° = ∆H° - T∆S°

Given:

∆H° = 24.6 kJ

∆S° = 132 J/K

T = 298 K

First, we need to convert the units of ∆H° to match the units of ∆S° (kJ to J):

∆H° = 24.6 kJ = 24,600 J

Now, we can substitute the values into the equation to calculate ∆G°:

∆G° = 24,600 J - (298 K) * (132 J/K)

∆G° = 24,600 J - 39,336 J

∆G° = -14,736 J

Since ∆G° is negative (-14,736 J), the reaction is spontaneous under these conditions. A negative ∆G° indicates that the reaction can proceed spontaneously.

Learn more about the Gibbs free energy change here:

https://brainly.com/question/14415025

#SPJ11

Option 3 accurately represents the essence of an ethogram as an inventory of species-specific behaviors.

An ethogram can be best described as an inventory of the behavior of a particular species. It is a systematic catalog or list of behaviors exhibited by a specific animal species.

An ethogram provides a comprehensive overview of the behaviors displayed by the animals under study, documenting various activities, actions, and patterns of behavior.

While options 1 and 2 are related to visual representations or descriptions of behavior, they do not capture the comprehensive nature of an ethogram. Option 4 refers specifically to behaviors observed in response to an experimental intervention, which is more narrow in scope compared to an ethogram. Therefore, option 3 accurately represents the essence of an ethogram as an inventory of species-specific behaviors.

To know more about ethogram, click here, https://brainly.com/question/29839391

#SPJ11

Answer:

(a) 55 kJ of heat are released when 1 mol of reactant A is used;

(b) 110 kJ of heat are released when 2 moles of reactant A are used;

(c) 27.5 kJ of heat are released when 1 mol of reactant B is used;

(d) 55 kJ of heat are released when 2 moles of reactant B are used.

Explanation:

The question requires us to determine the amount of heat released when the given amounts of reactants are used, considering the following balanced chemical equation:

When the enthalpy change for a reaction (or heat of reaction, ΔH) is given in units of energy, such as kilojoules (kJ), and not units of energy per mol (such as kJ/mol), we can consider that ΔH corresponds to the heat absorbed or released for the molar quantities of reactants as given in the balanced chemical equation. In the case given by the question, for example, we can say that 55 kJ of energy are released when 1 mol of A reacts with 2 moles of B.

Therefore, we can use the molar quantitites from the balanced chemical equation as a reference to determine the amount of heat released when different amounts of reactants are used.

Considering the information above, we can calculate:

(a) heat released when 1 mol of A reacts:

Note that 1 mol of A corresponds to the amount of reactant A given by the balanced chemical equation. Therefore, 55kJ of energy are released when 1 mol of A is used.

(b) heat released when 2 moles of A reacts:

Note that 2 moles of A corresponds to the double of the amount of reactant A given by the balanced chemical equation. Thus, we must multply ΔH by 2: 55 kJ x 2 = 110 kJ of energy are released when 2 moles of A are used.

(c) heat released when 1 mol of B reacts:

Note that 1 mol of B corresponds to half of the amount of reactant B given by the balanced chemical equation. Thus, we must divide ΔH by 2: 55 kJ / 2 = 27.5 kJ of energy are released when 1 mol of B is used.

(d) heat released when 2 moles of B reacts:

Note that 2 moles of B corresponds to the amount of reactant B as given by the balanced chemical equation. Therefore, 55 kJ of energy are released when 2 moles of B are used.

Emulsion polymerization is a radical polymerization technique that uses a monomer, emulsion-containing water, and a surfactant. Polystyrene for general use is transparent, rigid, and brittle.Per unit weight, it is a reasonably priced resin.

However, a number of techniques, including desolvation, hemodialysis, ionic gelation, holding the other variables, solvent extraction, salting out, spray drying, and supercritical fluid, are employed to create polymeric nanoparticles.However, a number of considerations must be taken into consideration while choosing a strategy.

Twin-screw extruders were created primarily to make mixing and compounding procedures easier, but they are also used as polymerization reactors.

To know more about polymerization technique visit:

https://brainly.com/question/28207030

#SPJ4

Answer:

Explanation:

vdW radius (nm) ionic radius of X- (nm)

Cl 0.175          0.181

Br 0.185          0.196

I 0.198          0.220

Answer:

E is answer

Explanation:

salt water is the answer

Answer:

E.Salt water

Explanation:

Salt water  is  a homogeneous because the dissolved salt is evenly distributed throughout the entire salt water sample. The amount of salt in the salt water can vary from one sample to another.

Based on the given information, the bands assigned to the CEC and terminal -C (alkyne) stretches are CEC, 3311 cm-1 and H-C(alkyne), 2120 cm⁻¹.

The given hydrocarbon, hex-1-yne, has a terminal H-CEC-(alkyne) group and the remaining part of the molecule contains CH2 groups and a terminal CH group. The IR spectrum of hex-1-yne exhibits several absorptions, and we need to determine which bands are assigned to the CEC and terminal -C(alkyne) stretches.

The absorptions provided in the IR spectrum are as follows:

To assign the bands correctly, we need to analyze the stretching vibrations of the different functional groups in the molecule.

1. CEC (Carbon-Carbon Triple Bond) Stretch:

The stretching vibration of the CEC group typically appears in the region of 3300-3500 cm-1 in the IR spectrum. In this case, we have a relatively strong absorption at 3311 cm-1, which is within the expected range for a CEC stretch. Therefore, we can assign this band to the CEC stretch.

2. Terminal -C(alkyne) Stretch:

The stretching vibration of the terminal -C(alkyne) group, which is the carbon atom directly attached to the alkyne, is typically observed in the region of 2100-2300 cm-1. In the given spectrum, we have a relatively strong absorption at 2120 cm-1, which falls within this range. Thus, we can assign this band to the terminal -C(alkyne) stretch.

To summarize, the correct assignments for the CEC and terminal -C(alkyne) stretches in the given IR spectrum of hex-1-yne are as follows:

Learn more about IR spectrum at:

https://brainly.com/question/31609937

#SPJ11

Activation energy is the energy required to allow a reaction to proceed. In order to increase the rate of a reaction, the activation energy must be lowered. The activation energy is by adding a catalyst to the reaction. A catalyst is a substance that increases the rate of a reaction without being consumed in the process. The correct option is b.

Firstly, increasing the temperature of the reaction can lower the activation energy required for the reaction to proceed. This is because increasing the temperature causes the particles in the reaction to move faster and collide more frequently, which increases the likelihood of successful collisions. This increase in energy can overcome the activation energy barrier and allow the reaction to proceed more quickly. Another way to lower the activation energy is by adding a catalyst to the reaction.

A catalyst is a substance that increases the rate of a reaction without being consumed in the process. Catalysts work by providing an alternative pathway with a lower activation energy for the reaction to proceed. Increasing the surface area of the particles involved in the reaction can also lower the activation energy. This is because a larger surface area means there are more particles available to collide and react with each other, which increases the likelihood of successful collisions and reduces the activation energy required for the reaction to proceed.

Finally, adding more reactant molecules to the reaction can also lower the activation energy. This is because an increase in the number of particles in the reaction increases the likelihood of successful collisions, which reduces the activation energy required for the reaction to proceed. The correct option is b.

For more such questions on Activation energy

https://brainly.com/question/26724488

#SPJ11

To calculate the final heat of your substance, add the temperature difference to its initial temperature. If your water started out at 24 degrees Celsius, the ultimate temperature would be 24 Plus 6, or 30 degrees Celsius.

The connection between atmospheric pressure and a location's temperature is exactly proportional to each other. The warmth of a location raises as the atmospheric pressure climbs.

Calculate the pressure-temperature ratio: k = p1/T1. By multiplying any temperature by k, you can calculate the equivalent pressure in the same container: p2 = k T2. T2 = p2/k is the temperature calculated by dividing each pressure number by k.

Learn more about final temperature

https://brainly.com/question/11244611

#SPJ1

The following incorrect atomic symbol is s - sodium where the correct  atomic symbol of sodium is Na.

The stable isotope of sodium, sodium-23, has a nuclear spin of 3/2, a nuclear abundance of 100%, and a relative atomic mass of 22.989770. an elemental metal from the alkali group. Its atomic weight is 23, atomic number 11, and atomic symbol are Na. Na, derived from the sodium synonym natrium, is the chemical symbol for sodium. Sodium is a chemical element with the atomic symbols Na, 11, and 23. An alkali metal atom is one like sodium. In order to determine whether a person's sodium uptake levels are within normal ranges, sodium 24 is employed as an electrolyte tracer, whereas sodium 22 is used in nuclear medicine imaging for positron emission tomography. There are non-medical uses for sodium-24 as well.

Learn more about sodium from here:

https://brainly.com/question/29327783

#SPJ4

The finding of the ocean clams in the rocks of the Appalachian Mountains most likely indicates that: A. These mountains were once under the ocean.

Imprint fossils are remains of dead plants and animals that are indicative of the existence of some species and the ways these animals existed.

The imprint fossils of the ocean clams that were found close to the Appalachian mountains indicate that the mountains were once under the oceans and carried the clams with them as they erupted.

Learn more about imprint fossils here:

https://brainly.com/question/21906322

#SPJ1

To solve this problem, we need to use the ideal gas law equation:

PV = nRT

where P is pressure, V is volume, n is the number of moles of gas, R is the gas constant, and T is temperature.

First, we need to calculate the number of moles of each gas in the cylinder. We can use the formula:

n = m/M

where n is the number of moles, m is the mass of gas, and M is the molar mass of the gas. The molar mass of helium (He) is 4.00 g/mol, and the molar mass of argon (Ar) is 39.95 g/mol.

For helium:

n = 2.29 atm x 2.00 L / (0.0821 L·atm/mol·K x 300 K)
n = 0.182 mol

For argon:

n = 3.97 g / 39.95 g/mol
n = 0.0994 mol

Now, we can calculate the total number of moles of gas:

n_total = n_He + n_Ar
n_total = 0.182 mol + 0.0994 mol
n_total = 0.281 mol

Next, we can use the ideal gas law equation to calculate the total pressure:

P_total = n_total x R x T / V

where R is the gas constant (0.0821 L·atm/mol·K), and T is the temperature in Kelvin (27.0 °C + 273 = 300 K).

P_total = 0.281 mol x 0.0821 L·atm/mol·K x 300 K / 2.00 L
P_total = 10.5 atm

Therefore, the total pressure of the resulting gaseous mixture is 10.5 atm.

https://brainly.com/question/27570432

#SPJ11

The landscape region is best classified as an eroded Plain. plateaus are elevated flat areas with steep sides, often created by volcanic activity or tectonic forces.


An eroded landscape refers to a landform that has been worn down and shaped by natural forces such as water, wind, and ice over a long period of time. A plain is a flat or gently rolling landform that has undergone extensive erosion, resulting in a smooth and relatively featureless surface.

Plains are often characterized by their low elevation, wide expanses, and lack of significant topographical variations. They are typically found in areas where erosion has removed layers of rock or soil, leaving behind a level surface. Examples of plains include the Great Plains in North America and the Pampas in South America.

Learn more about The landscape region: https://brainly.com/question/17601220

#SPJ11

Answer:

442.7m

Explanation:

12.42m+421.0m+9.28

442.7m

The required heat in BTU, for the water at 50°C to become ice at -50°C is 209 BTU/lb.

To determine the required heat in BTU, for the water at 50°C to become ice at -50°C, we need to calculate the heat of fusion and the heat of cooling of water. We can use the following formula to calculate the required heat.

Q = mL

Where:Q is the required heat in BTU.

m is the mass of water in pounds.L is the specific heat of water at the desired temperature.

Lf is the heat of fusion of water.

Lc is the specific heat of ice.

Using the above formula, we get;

Q = mLf + mL + mLc

The heat of fusion of water is 144 BTU/lb

The specific heat of water at 50°C is 1.00 BTU/lb °F.

The specific heat of ice is 0.5 BTU/lb°F.

We know that: 1°C = 1.8°F.

So,50°C = 122°F and -50°C = -58°F

Also, the mass of water is not given, so let us assume that the mass of water is 1 lb.

Thus;

Q = mLf + mL + mLc

Q = 1(144) + 1(1.00)(122-32) + 1(0.5)(-50-0)

Q = 144 + 90 + (-25)

Q = 209 BTU/lb

Therefore, the required heat in BTU, for the water at 50°C to become ice at -50°C is 209 BTU/lb.

To know more about heat visit:

https://brainly.com/question/13860901

#SPJ11

Answer:

1 has the highest density because it has the most amount of circles in the least amount of space- it is the most densely filled with circles; it is the most dense.

Answer:

image 1 would have the highest density

Explanation:

the closer the molecules are the more solid an object is. if the molecules are far apart and rarely bump into eachother, it is more gaseous. the object in the middle (2) is a liquid

3) Cement particles together: Water does not physically or chemically bind particles together.

Instead of binding particles together, it weakens the cohesion between them, making them more likely to move under the influence of gravity in processes such as landslides, mudflows, and creep.

When water enters the pore spaces between particles, it can increase the pore pressure and reduce the friction between particles, making them less stable.

This can cause soil particles to become saturated and start to move, resulting in the mass movement. Additionally, water adds weight to the mass of the material, making it more susceptible to mass movement.

Hence, the correct choice is to Cement particles together.

To know more about the chemical properties of water, click here:

https://brainly.com/question/17184293

#SPJ4

Subatomic particles that cause the mass of an atom to change are called isotopes. Isotopes are atoms of the same element that have an unequal number of neutrons in their nuclei.

This difference in the number of neutrons causes the mass of the atom to vary. For example, the most common form of carbon is Carbon-12, which has an atomic mass of 12 and contains 6 protons and 6 neutrons, while Carbon-14 has an atomic mass of 14 and contains 6 protons and 8 neutrons. The extra two neutrons make Carbon-14 slightly heavier than Carbon-12. The number of neutrons in an atom is determined by the number of protons and the element's atomic number, so when the number of neutrons changes, the mass of the atom changes as well. Isotopes can be naturally occurring or artificially created, and their properties may vary depending on the number of neutrons in the nucleus. Overall, isotopes are subatomic particles that cause the mass of the atom to change.

To learn more about isotopes click here https://brainly.com/question/21536220

#SPJ4

Explanation:

least= Li,F,N,He,Ca,O

medium=N,Br,K,Ne,Zn,Fr

most= F,I,K,Kr,Br,Ga

The nucleus of an atom is small compared to the size of the atom because of Rutherford's nuclear theory. Rutherford's nuclear theory states that most of the mass of an atom and all of its positive charge are contained in a small core called the nucleus.

This statement is consistent with the fact that the nucleus of an atom is small compared to the size of the atom. Rutherford's nuclear theory states that the nucleus of an atom is small compared to the size of the atom, and, therefore, the nucleus has a relatively low mass compared to the mass of an atom.

Rutherford's nuclear theory states that the nucleus is small but contains about half of the mass of an atom. The nuclear theory was discovered by Ernest Rutherford in 1911.

You can learn more about the nucleus at: brainly.com/question/23366064

#SPJ11

Answer:

Since 1982, STP is defined as a temperature of 273.15 K (0 °C, 32 °F) and an absolute pressure of exactly 105 Pa (100 kPa, 1 bar).

Explanation:

I hope I helped

Answer:

b

Explanation:

Answer:

D. the quantity of heat that is required to raise 1 g of the sample by 1°C (or Kelvin) at a given pressure

Explanation: