what volume of nitrogen gas is produced when 165 liters of nitrogen monoxide react according to the following reaction? (all gases are at the same temperature and pressure.) nitrogen monoxide(g) hydrogen(g) nitrogen(g) water(l) liters nitrogen gas submit answerretry entire group

9.9 moles of water are produced by the reaction of 1.10 moles of octane.

In chemistry, a mole is a unit of measurement. The official explanation is as follows:

One mole of anything (let's say, atoms or raindrops) is the same as the number of atoms in 12 grammes of the carbon-12 isotope.

Given that 1.10 moles of octane undergo a combustion reaction.

The balanced chemical equation for the combustion of octane is:

C8H18 + 12.5O2 → 8CO2 + 9H2O

The stoichiometric ratio of C8H18 and H2O is 9:1 respectively, from the equation.

This means that, 1 mole of C8H18 reacts with 9 moles of H2O.

Thus, 1.10 moles of octane will react with (9 x 1.10) = 9.9 moles of H2O.

To know more about moles visit:

https://brainly.com/question/15209553

#SPJ11

Answer:

Kinetic Molecular Theory states that gas particles are in constant motion and exhibit perfectly elastic collisions. Kinetic Molecular Theory can be used to explain both Charles' and Boyle's Laws. The average kinetic energy of a collection of gas particles is directly proportional to absolute temperature only.

Explanation:

hope this helps! goodluck & enjoy the rest of ur day or night.

To find the molar mass of the unknown gas, we can use the ideal gas law, which relates the pressure, volume, temperature, and number of moles of a gas. The ideal gas law is given by:

PV = nRT

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

We can rearrange this equation to solve for the number of moles:

n = PV / RT

We can then use the number of moles and the mass of the gas to find the molar mass:

M = m / n

where M is the molar mass, m is the mass of the gas, and n is the number of moles.

Plugging in the given values, we have:

P = 1.00 atm

V = 20.0 L

T = 273 K

m = 205 g

R = 0.0821 L·atm/(mol·K)

First, we need to calculate the number of moles of the gas:

n = PV / RT

n = (1.00 atm) x (20.0 L) / (0.0821 L·atm/(mol·K) x 273 K)

n = 0.911 mol

Next, we can use the number of moles and the mass of the gas to calculate the molar mass:

M = m / n

M = 205 g / 0.911 mol

M = 224.8 g/mol

Therefore, the molar mass of the unknown gas is approximately 224.8 g/mol.

To know more about temperature refer here

https://brainly.com/question/7510619#

#SPJ11

To calculate the number of equivalents of Mg2+ in a solution, we need to divide the number of moles by 2, as each mole of Mg2+ contains 2 equivalents. In this case, the solution containing 2.50 mol of Mg2+ has 1.25 equivalents of Mg2+.

To answer this question, we need to know the definition of an equivalent. An equivalent is the amount of a substance that can combine with or replace one mole of hydrogen ions in an acid-base reaction. In the case of Mg2+, it can replace two hydrogen ions, so one equivalent of Mg2+ is equal to half a mole of Mg2+.
Given that the solution contains 2.50 mol of Mg2+, we can calculate the number of equivalents by dividing the number of moles by 2. This is because each mole of Mg2+ contains 2 equivalents, as we discussed earlier.
2.50 mol Mg2+ / 2 = 1.25 equivalents of Mg2+
Therefore, the solution that contains 2.50 mol of Mg2+ has 1.25 equivalents of Mg2+.

To know more about equivalents visit:

https://brainly.com/question/22081358

#SPJ11

The given redox reaction is:

Cr2O7^2- + C2H4O → C2H4O2 + Cr3+

To balance this reaction, we first balance the oxygen atoms by adding H2O on the right side of the equation. The number of H2O molecules added depends on the number of oxygen atoms needed. In this case, we need three O atoms on the right side, so we add three H2O molecules to the right side of the equation:

Cr2O7^2- + C2H4O → C2H4O2 + Cr3+ + 3H2O

Next, we balance the hydrogen atoms by adding H+ ions on the left side of the equation. The number of H+ ions added depends on the number of hydrogen atoms needed. In this case, we need eight H atoms on the left side, so we add eight H+ ions to the left side of the equation:

Cr2O7^2- + C2H4O + 8H+ → C2H4O2 + Cr3+ + 3H2O

Finally, we balance the charge by adding electrons. The number of electrons added depends on the difference in charge on the left and right side of the equation. In this case, the left side has a charge of -2 (from the Cr2O7^2- ion), while the right side has a charge of +3 (from the Cr3+ ion). This means that we need to add 5 electrons to the left side of the equation to balance the charge:

Cr2O7^2- + C2H4O + 8H+ + 5e- → C2H4O2 + Cr3+ + 3H2O

Therefore, the coefficient for water molecules in the balanced version of the given redox reaction is 3.

To know more about redox reaction visit

https://brainly.com/question/28300253?

#SPJ11

Answer: First Scientific method

Second: question

Third: research

Fourth: hypothesis

Fifth: experiment

Sixth: procedure

Seventh: variable

Eighth: observe

Ninth: interpret

Tenth: record

Eleventh: ethical

Twelfth: conclusion

Explanation: That is the order that the words in the box go in. Hope this helps!

The colors of flames in experiments can vary based on several factors, including the temperature and composition of the burning material.

In general, the color of a flame is determined by the emission spectrum of the excited molecules and atoms in the flame. When a material is burned, the heat and energy generated excites the molecules and atoms, causing them to emit light. The specific colors that are emitted depend on the temperature of the flame, as well as the chemical composition of the burning material.

For example, in a very hot flame, such as the flame produced by a welder's torch, the temperature can be high enough to excite and ionize the atoms of the burning material, causing them to emit light across the entire visible spectrum and beyond. This results in a flame that appears white.

In cooler flames, such as those produced by a candle, the temperature is not high enough to ionize the atoms, but it is still high enough to excite them and cause them to emit light. The specific colors that are emitted in this case depend on the chemical composition of the burning material. For example, in a candle flame, the wax is primarily composed of hydrocarbons, which emit a yellow-orange light when burned. The blue color that is often seen in the center of the flame is due to the reaction between the hydrogen and carbon in the wax, which produces excited molecules that emit blue light.

In conclusion, the colors of flames in experiments can vary based on the temperature and composition of the burning material. The specific colors that are observed depend on the conditions within the flame and the chemical reactions that are taking place.

Here you can learn more about the colors of the flames

https://brainly.com/question/23955162#

#SPJ11

Answer:

Balanced forces do not cause a change in motion.

The result is no motion. Balanced forces can cancel each other out. Any time there is a balanced force, the object does not move.

Explanation:

Answer:

The result is no motion. Balanced forces can cancel each other out. Any time there is a balanced force, the object does not move.

Explanation: MARK MOST BRAINLIEST PLEASE

The pH of the solution is 2.55 and the concentrations of C₂H₅COOH and C₂H₅COO⁻ are 0.594 M and 0.00282 M respectively.

The following chemical equation describes how propanoic acid, a weak acid, will ionise in water.

C₂H₅COOH(aq) + H₂O(l) ↔ C₂H₅COO⁻(aq) + H₃O⁺(aq)

The concentration of the initial solution of propanoic acid is 0.597 M.

The Ka of propanoic acid is 1.34 × 10⁻⁵.

Let the concentration of each of the products is x.

Now, We have Ka = [C₂H₅COO⁻] [H₃O⁺] / [C₂H₅COOH] [H₂O]

or, 1.34 × 10⁻⁵ = x × x / 0.597

or, x² = 0.8 × 10⁻⁵

or, x = 2.82 × 10⁻³ M

or, x = 0.00282 M

So, concentration of C₂H₅COO⁻ = x = 0.00282 M

Concentration of C₂H₅COOH = 0.597 - 0.00282 = 0.594 M

Now, pH of solution = -log[H₃O⁺] = -log[x] = -log(0.00282) = 2.55

To know more about propanoic acid from the link

brainly.com/question/20318658

#SPJ4

Answer:

Melting

Explanation:

Once heat is added it will turn to a liquid

Melting is the process of turning solid to liquid.

A greenhouse gas that is exclusively anthropogenic is called CFC and CO2

The term global warming has to do with the rise in the temperature of the earth due to several factors. In other words, when we find that the temperature of the earth has been on the rise consistently in the last few decades then we can be sure that what is occurring is the green house effect.

The gas that is almost exclusively anthropogenic in green house effect is CO2 and the CFCs. The rise in the amount of CO2 and CFCs all stem from the activities of man on the earth here.

Learn more about CFC:https://brainly.com/question/14330630

#SPJ1

Answer and Explanation:

The working-energy theorem defines work as the energy change brought on by the velocity change. The environment has acted on the object and it increases the energy of the object. When an object's velocity decreases, the object has worked on the world, and the object's energy decreases.

Unless the displacement is in the reverse direction and the force applied, then the work performed is negative. If the displacement is in the same direction and the force applied, then the work performed is positive.

Answer:

Work is the change in energy brought about by a change in velocity.  

When the velocity of an object increases, the environment has done work on the object and the energy of that object is increased.  

When the velocity of an object decreases, the object has done work on the environment and the energy of the object is decreased.

Explanation:

The crystal field splitting energy for the transition metal complex with a maximum absorbance of 610.7 nm is approximately 53.8 kJ/mol.

The absorbance maximum at 610.7 nm corresponds to the energy of the absorbed light, which can be calculated using the equation E = hc/λ, where E is the energy, h is Planck's constant, c is the speed of light, and λ is the wavelength. Rearranging the equation to solve for the crystal field splitting energy (Δ), we get Δ = hc/λ. Plugging in the values, Δ = (6.626 x 10^-34 J·s * 3.00 x 10^8 m/s) / (610.7 x 10^-9 m). The result is approximately 3.23 x 10^-19 J. To convert this to kJ/mol, we need to multiply by Avogadro's number (6.022 x 10^23) and divide by 1000, giving us a crystal field-splitting energy of approximately 53.8 kJ/mol. This value is obtained by calculating the energy of the absorbed light using the equation E = hc/λ, where E is the energy, h is Planck's constant, c is the speed of light, and λ is the wavelength. By rearranging the equation and plugging in the values, we can determine the crystal field splitting energy, which represents the energy difference between the d-orbitals in the complex.

To learn more about Avogadro's number, click here: brainly.com/question/28812626

#SPJ11

Answer:

The pI of glycine is 5.97, the pI of arginine is 10.76, and the labeled bond in the given molecule that is known as the peptide bond is bond 3. The product of the given reaction cannot be determined without additional information.

Explanation:

Answer:

La cantidad de energía disponible de una fuente de energía determinada se denomina recurso energético. La escasez de recursos energéticos (petróleo, carbón y madera) en algunas de las fuentes de energía más utilizadas plantear necesidad de usar otras fuentes investigar el modo más rentable de emplearlas

Explanation:

Answer:

false

Explanation:

its the amount of high-quality energy available from a given quantity of an energy resource minus the high-quality energy needed to make the energy available.

Answer:

The basic unit of any element would be the atom.

Answer:

Question 1 - A and C

Question 2 - B and C

Question 3 - A and D

Question 4 - A and B

Question 5 - A and C

Explanation:

BRAINLIEST PLEASE

Because of the atomic number, the size of an atom shrinks over a time.

The quantity of protons in the atom's nucleus is known as an element's atomic number. An element's atomic number uniquely identifies it and establishes where it belongs in the periodic table. The chemical characteristics of an element, such as its valence electrons and reactivity, are also influenced by its atomic number.

Because the atomic number, or number of protons in the nucleus, rises while the electron shell stays at a constant distance from the nucleus, the size of an atom shrinks as you move over a period. The atomic size is reduced as a result of the stronger attraction between the nucleus and electrons that occurs from the increase in the number of protons in the nucleus. Further strengthening the attraction between the electrons and the nucleus as you move throughout the period is a decrease in the electron shielding effect. Even though there are more electron shells present, this results in a reduction in atomic size.

To know more about atomic number, visit:

https://brainly.com/question/16858932

#SPJ4

Answer:

brainless me plss i help you out

Answer:a)No of moles of Aluminium=0.4703

b)number of aluminum atoms=2.832 x 10^23 atoms

Explanation:

a)Given that The Amount/ Mass of Aluminum is 12.69g

We know that

No of moles =Mass/ Molar mass

Molar mass of Aluminium, Al is 26.982 g/mol

No of moles =12.69g/26.982 g/mol

No of moles =0.4703

Also

b) 1  mole of aluminium must contain  6.022  x 10^23  atoms of aluminium  

which is  known as Avogadro's constant.

Therefore, 0.4703 moles will contain 0.4703 x  6.022  x 10^23  atoms =2.832 x 10^23 atoms

The pressure of \(N_{2}\) will rise under the given conditions. And, Yes, it is possible to reverse this tendency by adding \(H_{2}\). The minimum pressure of H2 required to reverse the tendency is 0.01 atm.

The reaction involved is: \(N_{2}\)(g) + 3\(H_{2}\)(g) ⇌ 2\(NH_{3}\)(g)  Hence, when \(H_{2}\) is added to the above system, the \(N_{2}\) and  \(H_{2}\)  will react to produce \(NH_{3}\). This reaction will reduce the amount of \(N_{2}\) present in the system, causing the pressure of \(N_{2}\) to decrease. Therefore, by adding \(H_{2}\)  , we can change the tendency of \(N_{2}\) pressure from rise to fall.To calculate the minimum pressure of  \(H_{2}\)  required to reverse the tendency, we have to use the equilibrium constant, Kp. The expression for Kp for the above reaction is: Kp =( \(NH_{3}\)) / p(\(N_{2}\)) p3( \(H_{2}\) )

At equilibrium, Kp = 1.7 × 104 at 1126 °C.Now, we will solve for the minimum pressure of \(H_{2}\)   needed to reverse the tendency. Let's assume that the pressure of \(N_{2}\) has increased by x atm. Therefore, the new pressure of \(N_{2}\) will be (0.0406 + x) atm. At equilibrium, we have:

p2(\(NH_{3}\) ) / p(\(N_{2}\)) p3( \(H_{2}\) ) = 1.7 × 104

On substituting the given values and simplifying, we get:

p2(\(NH_{3}\)) / p(N2) = 6.39 × 10-5

Now, p2(\(NH_{3}\)) = 5.97 atm, and p(\(N_{2}\)) = (0.0406 + x) atm.

On substituting these values, we get:5.97 / (0.0406 + x) = 6.39 × 10-5

Solving for x, we get:x = 0.00579 atm ≈ 0.01 atm (rounded to 2 significant digits)Therefore, the minimum pressure of \(H_{2}\)   required to reverse the tendency is 0.01 atm.

More on equilibrium: https://brainly.com/question/30188799

#SPJ11

Answer:

4- radioactive isotopes

Explanation:

I don't remember exactly but this question was on the regents

Uranium-238  is a non- fissile element. It is a radioactive isotope that can be best used to determine geological formations. Thus, option 4 is correct.

Radioactive isotopes are elements that have an unstable atomic nucleus and can undergo radioactive decay to produce new particles and energy. They have the same atomic number as that of their parent species.

Isobars are a substance that has atomic mass and do not include uranium. Nuclear fusion and fission are the processes of nuclear energy that combine or splits the unstable nucleus to form a new particle.

Therefore, option 4. Uranium-238 is a radioactive isotope.

Learn more about radioactive isotopes here:

https://brainly.com/question/863053

#SPJ2

The arrangement of element in the modern periodic table is based on metalic and non metallic element

Answer:

The arrangement of element in the modern periodic table is based on

Answer:

No.

Explanation:

In order to find the density of an object, you have to divide the weight of the object (mass) by the amount of space the object takes up (volume) by each other and then you get the density of the object. So, "no density is NOT a ratio of a substances volume to its mass, but a ratio of the substances mass to volume."

\(p=\frac{m}{v}\)
p = density
m = mass
v = volume

Hope this helps.

A maximum of two electrons will be placed in 1s first. With a maximum of two electrons, 2s will then be filled. With a maximum of 6 electrons, 2p will then be filled.

To learn more about orbital refer to:

https://brainly.com/question/20319149

#SPJ1

The positively charged center in an atom is called as Nucleus. It is made up of positively charged protons and neutral sub-atomic particle called as neutrons.

What is meant by protons ?

To learn more about  protons refer to

https://brainly.com/question/1805828

#SPJ4

The following options are correct for parts of measurement:

A number (magnitude) , An indication of uncertainty,  Aunit , A captive zero and A decimel place.

A quantitative observation or assessment of a physical quantity is referred to as a measurement. While taking a measurement, it's critical to explain the amount of the quantity as well as the degree of uncertainty associated with the measurement.

The following are the components of a measurement:

The value of the quantity being measured is represented by a number (magnitude). Based on the precision of the measurement device, it should be recorded to the appropriate number of significant numbers.

Uncertainty: This is a statement about how much the measurement is predicted to depart from the real value of the quantity. It may be stated in several ways, including absolute error, relative error, and confidence interval.

A unit is the unit of measurement for the quantity being measured. To minimise ambiguity or confusion, it is critical to provide the unit.

At least one notable figure: A measurement should always include at least one significant figure, which is the first non-zero digit in the reported number. The number of significant numbers should represent the measuring instrument's accuracy and the degree of uncertainty in the measurement.

A decimal place: Depending on the magnitude and quality of the measuring device, a measurement may or may not have a decimal place.

A captive zero: A captive zero is a zero that appears between major digits in a measurement. It is not significant in and of itself, however it aids in displaying the decimal point location and the number of significant digits.

For more such questions on measurement, click on:

https://brainly.com/question/28771966

#SPJ4