If 24 grams of sodium chloride reacts with an excess amount of magnesium how many grams of sodium oxide will be produced

Answer:

The answer is

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

\(volume = \frac{mass}{density} \\ \)

From the question

mass of iron = 15.64 g

density = 2.27 g/cm³

The volume is

\(volume = \frac{15.64}{2.27} \\ = 6.889867841...\)

We have the final answer as

Hope this helps you

The number of moles of NaF that will be produced from 3moles of Na is 3 moles.

Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, sodium reacts with fluorine as follows:

2Na+ F₂ → 2NaF

Based on the above equation, 2 moles of Na will produce 2 moles of NaF

This means that 3 moles of Na will produce 3 moles of NaF.

Learn more about stoichiometry at: https://brainly.com/question/9743981

#SPJ1

Answer:

To make sure all the sulphuric acid has been used up

The volume of the copper(II) fluoride solution can be calculated by dividing the given number of moles of copper(II) fluoride by the molarity of the solution.

To determine the volume of the copper(II) fluoride solution, we need to know the number of moles of copper(II) fluoride and its molarity (concentration).

The volume can be obtained by dividing the number of moles by the molarity of the solution using the formula V = n / m, where V represents the volume, n represents the number of moles, and m represents the molarity.

However, in the given question, the number of moles and the molarity of the copper(II) fluoride solution are not provided. Without these values, it is not possible to calculate the volume accurately.

To obtain an accurate answer, please provide the number of moles and the molarity of the copper(II) fluoride solution.

Calculating the volume of a solution involves considering the number of moles of the solute and the molarity of the solution.

The volume can be determined by dividing the number of moles by the molarity using the formula V = n / m. This equation applies to various solutions and is widely used in chemical calculations.

It is crucial to have accurate and precise values for both the number of moles and the molarity to obtain a reliable volume measurement.

Paying attention to significant figures is essential to ensure the final answer reflects the appropriate level of precision.

Learn more about volume

brainly.com/question/28058531

#SPJ11

The engineers fitted a multiple linear regression model to analyze the effect of variables on the efficiency of the ammonia oxidation process, assessed significance levels, and recommended a final model.

Engineers conducted an investigation on the efficiency of a process that oxidizes ammonia to nitric acid by studying the effect of three variables: Airflow, Water temperature, and Acid concentration.

They collected data on stack loss, which represents the percentage of unabsorbed ammonia escaping from the absorption tower. Using R, they fitted a multiple linear regression model with polynomial terms and interactions for the predictors.

They analyzed the model summary table to determine the mean square error (MSE), R², and adjusted R².

They also assessed the significance of variables/terms at a 0.1 significance level, tested the joint significance of interaction terms, and evaluated the joint significance of quadratic terms.

Based on the results, they recommended a final model containing only significant variables/terms at a significance level of 0.05.

Learn more about engineers fitted

brainly.com/question/31665459

#SPJ11

The element that is being reduced in the given redox reaction is Cl (Chlorine)

The given redox reaction is

Cr(OH)₄⁻(aq) + ClO⁻(aq) → CrO₄²⁻(aq) + Cl⁻(aq)

First, we will define the terms oxidation and reduction

Oxidation can be defined as an increase in oxidation number

Reduction is defined as a decrease in oxidation number

This means the element that is being reduced in the reaction would have a decrease in oxidation number.

Oxidation number of Cr in Cr(OH)₄⁻ is +3; and the oxidation number of Cr in CrO₄²⁻ is +6. This is an increase in oxidation number and it means Cr is being oxidized.

Oxidation number of Cl in ClO⁻ is +1; and the oxidation number of Cl in Cl⁻ is -1. This is a decrease in oxidation number and it means Cl is being reduced.

Hence, the element that is being reduced in the given redox reaction is Cl (Chlorine).

Learn more here: https://brainly.com/question/25673444

According to the molar concentration, if you  have 550 ml of 7 M solution HCI and you want to make 3 L of diluted solution,the new concentration will be 1.28 M.

Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.

The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.In case of two solutions it is calculated as, M₁V₁=M₂V₂ on substitution gives M₂=7×550/3000=1.28 M.

Learn more about molar concentration,here:

https://brainly.com/question/13385951

#SPJ9

Answer:

Is less than

Explanation:

Vinegar contains more chemicals and molecules in it thus has a higher density thus pushing the oil upward because there is no room for the oil

When a vinegar and oil salad dressing separates into two layers, the oil floats on top of the vinegar, the density of the oil is less than the density of the vinegar.

A substance's density is a measurement of how heavy it is in relation to its size. When placed in water, an object will float if its density is lower than that of the water, whereas it will sink if its density is higher.

The density of a material is a distinguishing quality that is independent of the substance's volume.

A nonpolar material won't dissolve in a polar one. When oil and vinegar are combined, the vinegar is more thick and polar than the oil and sinks to the bottom of the container.

Because it is nonpolar and less thick than the vinegar, the oil floats on top rather than dissolving in it.

Thus, the density of oil is less than the vinegar.

For more details regarding density, visit:

https://brainly.com/question/29775886

#SPJ2

Swelling of the nasal sinuses during upper respiratory infections is a common occurrence. It leads to symptoms like nasal congestion, facial pressure, headaches, and post-nasal drip.

The nasal sinuses are hollow cavities located within the facial bones surrounding your nose. They are lined with a mucous membrane that produces mucus, a sticky fluid that helps to moisten and clean the nasal passages. The sinuses also play a role in filtering the air we breathe and adding resonance to our voices.

During an upper respiratory infection, viruses or bacteria can invade the nasal passages and cause inflammation. In response to this invasion, the immune system releases various chemicals, such as histamines, to fight off the infection. Histamines are responsible for causing blood vessels in the nasal passages and sinuses to dilate, leading to increased blood flow and swelling.

The swelling of the nasal sinuses can result in several uncomfortable symptoms. One of the most common symptoms is nasal congestion or a blocked nose. The swollen sinuses can obstruct the flow of air through the nasal passages, making it difficult to breathe freely. This congestion can also lead to a stuffy or ""stuffy"" feeling in the nose.

In addition to congestion, swelling in the sinuses can cause facial pressure and pain. The increased pressure within the sinuses can result in headaches, particularly in the forehead and around the eyes. Some individuals may experience tenderness when touching the affected areas of their face.

Swollen sinuses can also disrupt the normal drainage of mucus. Normally, mucus produced in the sinuses drains into the nasal passages and is either swallowed or blown out through the nose. However, during an upper respiratory infection, the swollen sinuses can block the natural drainage pathways. This can lead to the accumulation of mucus, resulting in post-nasal drip, where excess mucus drips down the back of the throat. Post-nasal drip can cause a sore throat, coughing, and a feeling of needing to clear the throat frequently.

Managing the swelling of the nasal sinuses during an upper respiratory infection involves both symptom relief and treating the underlying infection. Over-the-counter nasal decongestant sprays or oral decongestants can help alleviate nasal congestion by reducing swelling in the sinuses. However, these medications should be used sparingly and as directed, as excessive or prolonged use can lead to a rebound effect and worsen congestion.

Nasal saline irrigation, commonly done using a neti pot or nasal spray, can help flush out mucus and reduce nasal congestion. Warm compresses applied to the face can also provide relief by promoting sinus drainage and reducing inflammation.

It's important to stay hydrated and get plenty of rest during an upper respiratory infection to support the immune system's ability to fight off the infection. If symptoms persist or worsen, it's advisable to consult a healthcare professional who can provide a proper diagnosis and recommend appropriate treatment options, such as antibiotics if a bacterial infection is present.

Click the below link, to learn more about swelling :

https://brainly.com/question/29333024

#SPJ11

Rutherford used scientific investigations to study atoms.

Ernest Rutherford is well-known for his groundbreaking research into radioactivity and also the atom. He discovered that uranium emits two kinds of radiation, alpha as well as beta particles.

An atom is a matter particle that describes a chemical element uniquely. An atom is made up of the central nucleus and one or even more electrons with negative charges. The nucleus has been positively charged as well as contains one or more protons and neutrons, which are relatively heavy particles.

Protons, electrons, and neutrons are the three basic types of particles that make up an atom. Protons and neutrons have roughly the same mass, whereas the weight of an electron seems to be negligible. A proton is positively charged, a neutron is neutral, and an electron has been negatively charged.

To know more about the Atoms, here

https://brainly.com/question/12231872

#SPJ4

If we have solution with Ethanol as solvent and Water as solute, it is expected that water will not be dissolved in ethanol, because of the polarity, since water is polar and ethanol is only a little bit polar, they don't mix, which means that water will not be dissolved in ethanol

The half-life of 218Po is 3.1 minutes. This means that half of a given amount of 218Po will decay in 3.1 minutes.

Therefore, we can use the half-life formula to determine how much of a 155-gram sample remains after 0.40 hours. The half-life formula is as follows:N = (No)(1/2)^(t/T)Where:N = the final amountNo = the initial amountt = the time elapsedT = the half-lifeLet's plug in the given values:N = (155 g)(1/2)^(0.40 hours ÷ 3.1 minutes)First, let's convert 0.40 hours to minutes:0.40 hours × 60 minutes/hour = 24 minutesNow, we can plug in all the values:N = (155 g)(1/2)^(24 min ÷ 3.1 min)N = (155 g)(1/2)^7.74193548N = (155 g)(0.005808)N = 0.89964 gTherefore, approximately 0.9 grams of a 155-gram sample remains after 0.40 hours.

To know more about decay, visit ;

https://brainly.com/question/1236735

#SPJ11

The steps to make chocolate so that it does not melt on my hands are: heat the chocolate up to 120 degree fahrenheit and then after removing the bowl cool down it below 80 degree fahrenheit.

The main reasons to temper chocolate are:

1. Tempered chocolate is firm and solid in nature at room temperature. This is critical when making the chocolate confections or decorations. Chocolate which is out of temper requires refrigeration to maintain its shape.

2. The appearance of tempered chocolate is much better than that of its un-tempered counterpart. Tempered chocolate is smooth in nature , shiny and evenly colored.

3. Chocolate that is not been tempered has a distinctly dull appearance and may develop fat bloom -- grayish-white spots on the surface of the chocolate where unstable beta crystals have gathered.

To know more about melting, visit here:

https://brainly.com/question/15873508

#SPJ4

To calculate the concentration of the iron sample by using a spectrophotometric method, it is necessary to dilute the sample. The volume to which the sample should be diluted is a crucial question in achieving the most accurate result.

The process involves diluting the sample, and the concentration must be calculated to determine the precise result of the dilution. This question can be answered by calculating the uncertainty and identifying the value of the uncertainty. The value with the lowest uncertainty will be the best value to choose. The volume with the lowest uncertainty will be the ideal volume to dilute the 5 ml aliquot of the iron sample to achieve a result with the minimum level of uncertainty.
To determine the optimal volume for dilution, the uncertainty should be calculated.
This can be done by using the equation for propagation of uncertainty, which states that the uncertainty of the result is equal to the square root of the sum of the squares of the uncertainties of the individual components. When calculating the uncertainty of the diluted sample, the uncertainty of the initial sample and the uncertainty of the diluent must be considered. The uncertainty of the initial sample can be calculated using the calibration curve. As the expected iron content is 40-60%, the concentration of the sample is expected to be 8-12 ppm. The uncertainty of the calibration curve is given by the standard deviation of the calibration standards.
The diluent has a negligible uncertainty. The uncertainty of the diluted sample will be lower if a larger volume is used for dilution because the relative contribution of the uncertainty of the initial sample will decrease. However, the uncertainty of the measurement will increase if the sample is diluted too much because the concentration of the analyte will be too low to be detected accurately. A 100 mL volume is a good choice because it balances the need for sufficient dilution to reduce the uncertainty of the initial sample with the need for sufficient concentration to allow for accurate detection of the analyte.

The volume of the sample that should be diluted is 5 ml. The minimum level of uncertainty is obtained at a dilution of 100 ml. When the volume of the diluent is greater than 100 ml, the uncertainty of the measurement increases, and when the volume of the diluent is less than 100 ml, the uncertainty of the measurement also increases. Thus, a 100 ml volume of diluent is the ideal volume to minimize the uncertainty in the analysis of iron.

to know more about spectrophotometric visit:

brainly.com/question/31632843

#SPJ11

Redox (Oxidation-Reduction) (Oxidation-Reduction) Al2(SO4)3 + H2 from the reaction Al + H2SO4 may be a redox reaction.

To learn more about Chemical reaction refer to:

https://brainly.com/question/11231920

#SPJ4

The concentration of Cl- ion in the resulting solution is 6.12 M.

This can be calculated by finding the moles of Cl- ion in each solution, adding them together, and dividing by the total volume of the combined solutions. To find the moles of Cl- ion in the iron (III) chloride solution, we can use the formula: moles = concentration x volume. Thus, moles of Cl- ion = 4.25 M x 0.075 L = 0.31875 moles. Similarly, for the calcium chloride solution, we have moles of Cl- ion = 3.50 M x 0.081 L = 0.2835 moles.

Adding these two moles together gives a total of 0.60225 moles of Cl- ion in the combined solution. Dividing this by the total volume of the combined solutions (75 mL + 81 mL = 156 mL = 0.156 L) gives a concentration of 6.12 M. Therefore, the resulting solution has a Cl- ion concentration of 6.12 M, which is higher than the individual concentrations of the original solutions. This is because the two solutions have been mixed together, leading to an increase in the total number of Cl- ions in the resulting solution.

For more questions like Ions visit the link below:

https://brainly.com/question/15051468

#SPJ11

The number of mole of O₂ required for the reaction if 15.0 grams of N₂O4 is produced, is 0.326 mole

We'll begin by obtaining the number of mole in 15.0 g of N₂O₄. Details below:

Mole = mass / molar mass

Mole of N₂O₄ = 15 / 92

Mole of N₂O₄ = 0.163 mole

Next, we shall write the balanced equation for the reaction. This is givrn below:

N₂ + 2O₂ -> N₂O₄

From the balanced equation above,

1 mole of N₂O₄ was produced from 2 moles of O₂

Finally, we shall determine the number of mole O₂ required for the reaction. Details below:

From the balanced equation above,

1 mole of N₂O₄ was produced from 2 moles of O₂

Therefore,

0.163 moles of N₂O₄ will be produced from = 0.163 × 2 = 0.326 mole of O₂

Thus, number of mole of O₂ required is 0.326 mole

Learn more about number of mole:

https://brainly.com/question/23350512

#SPJ1

Answer:

Endoplasmic reticulum, Golgi apparatus, Nucleus, Storage Organelles, and Energy - Producing Organelles.

Explanation:

Hope its right! Mark me as Brainliest if it it right ;)!

Explanation:

a process for separating minerals from gangue by taking advantage of the differences in their hydrophobicity.

I believe that is accurate

hope this helped have a nice day

and mark me brainiest :)

Answer:

Yes, A  toothpick can be a good model for showing the strength and brittleness of salt as It will break and splinter just like salt.

What are the properties of  salt ?

Salts are ionic in nature due to the presence of ions.

They are brittle, hard and crystalline solids.

Salt is white, odorless and it has a salty taste.

Toothpick will break and splinter just like salt, exclamation, because it breaks easy and if we use a hammer on a tooth pick its gonna break and splinter just like salt.

Therefore , A  toothpick can be a good model for showing the strength and brittleness of salt as It will break and splinter just like salt.

Explanation: hope this helps

A double replacement reaction, also known as a double displacement reaction or a metathesis reaction, is a type of chemical reaction in which ions are exchanged between two compounds option(3).

In this reaction, the positive and negative ions of two compounds switch places, resulting in the formation of two new compounds.

The general form of a double replacement reaction is AB + CD → AD + CB, where A, B, C, and D represent elements or groups of elements. During the reaction, the cations of the compounds (positively charged ions) trade places, as do the anions (negatively charged ions). This exchange of ions leads to the formation of two new compounds, with the cation of one compound combining with the anion of the other compound.

Unlike single replacement reactions where a single element replaces another in a compound, double replacement reactions involve the exchange of ions. The reaction typically occurs in aqueous solutions or when compounds are dissolved in a solvent. However, double replacement reactions can also occur in other states, such as when two ionic compounds are in the solid state and react.

To summarize, a double replacement reaction involves the exchange of ions between two compounds, resulting in the formation of two new compounds. This reaction does not involve the loss of atoms or the exchange of electrons between individual atoms.

For  more questions double displacement, click on:

https://brainly.com/question/26413416

#SPJ8

Explanation:

LiCl2 3 M =

in sol. 1 L there is LiCl2 3 mol

if sol. 0.5 L there is LiCl2 0.5×3 = 1.5 mol

LiCl2 = 6.9 + 35.5(2)

= 6.9 + 71

= 77.9 g

Answer:

63.52g of LiCl are in a 3.0 molarity solution of 0.5L

Explanation:

Moles = Molarity x Volume

Molarity = 3.0 mol/L

Volume = 0.5L

Moles = (3.0) x (0.5)

Moles = 1.5

In order to find the grams dissolved in the solution, we must first find the molar mass of Lithium Chloride (LiCl).

Molar mass of LiCl = (6.9) + (35.45) = 42.35g/mol

Now we multiply the moles by the molar mass of LiCl to get the grams of LiCL dissolved in the solution.  

1.5 * 42.35 = 63.52g of LiCl

Answer: 1. 20.0 grams

2. 0.272 moles

3. B) Mass --> Moles --> Volume

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to molecular mass and contains avogadro's number \(6.023\times 10^{23}\) of particles.

To calculate the number of moles, we use the equation:

\(\text{Number of moles}=\frac{\text{Given molecules}}{\text{Avogadros number}}\) or

\(\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}\) or  

Putting in the values we get:

1. \(\text{Number of moles of} Cl_2=\frac{1.7\times 10^{23}}{6.023\times 10^{23}}=0.282moles\)

Mass of \(Cl_2=moles\times {\text {Molar mass}}=0.282mol\times 71g/mol=20.0g\)

2. \(\text{Number of moles of NaCl}=\frac{3.28\times 10^{23}}{2\times 6.023\times 10^{23}}=0.272moles\)

3. \(\text{Number of moles of water}=\frac{26g}{18g/mol}=1.44moles\)

Volume of water =\(moles\times {\text {Molar volume}}=1.44mol\times 22.4L/mol=32.4L\)

Option B. I and IV. ii. the stationary phase is non-polar and iv. the mobile phase is solventless and more polar than silica-gel.

The stationary phase is made up of silica-gel and it is polar and the mobile phase is less polar than this. Due to this difference in polarity, the organic compounds get separated with mobility with the mobile phase.

The desk-bound segment in chromatography is the one which does no longer circulate with the sample while the mobile section in chromatography is one that moves with the sample.​ ​ instance: ​ In Paper Chromatography:​ The paper strip acts as a desk-bound phase at the same time as the solvent act as a "mobile section" in paper chromatography. ​

Skinny layer chromatography is accomplished precisely as it says - the use of a skinny, uniform layer of silica gel or alumina covered onto a chunk of glass, metallic or rigid plastic. The silica gel (or the alumina) is the stationary segment.

Learn more about the stationary phase here:-https://brainly.com/question/13754098

#SPJ1

Disclaimer:- your question is incomplete, please see below for the complete question.

Which of the following statements about the stationary and mobile phases in thin-layer chromatography is (are) true? i. the stationary phase is made of silica gel. ii. the stationary phase is a non-polar solvent. iii. the mobile phase is water. iv. the mobile phase is solventless and more polar than silica-gel.

A. I and II

B. I and IV.

C. II and IV.

D. II and III.

Answer:

True? I think.........

2.56 moles of HCl are required to react with 0.64 moles of KMnO4.

The balanced chemical equation is given as;2KMnO4 + 8HCl → 3Cl2 + 2MnO2 + 4H2O + 2KCl.This equation is balanced in such a way that 2 moles of KMnO4 reacts with 8 moles of HCl to produce 3 moles of Cl2, 2 moles of MnO2, 4 moles of H2O and 2 moles of KCl.We are given the number of moles of KMnO4 as 0.64 moles.Now, we can use stoichiometry to find the number of moles of HCl required to react with 0.64 moles of KMnO4.The balanced chemical equation shows that 8 moles of HCl reacts with 2 moles of KMnO4.

So, one mole of KMnO4 would react with 8/2 = 4 moles of HCl.Now, the number of moles of HCl required to react with 0.64 moles of KMnO4 would be;Moles of HCl = Moles of KMnO4 x (Moles of HCl / Moles of KMnO4) Moles of HCl = 0.64 x 4 = 2.56 moles of HCl.

for such more questions on moles

https://brainly.com/question/15356425

#SPJ8

To calculate the mole fraction of acetone (C3H6O2) in a solution of water where equal masses of both compounds are present, we first need to determine the number of moles of each compound.
Since the masses are equal, we can assume that each compound has a mass of 50 grams (100g total). The molar mass of acetone is 58.08 g/mol, so 50 g of acetone is equal to 0.861 moles (50 g / 58.08 g/mol).
Therefore, the mole fraction of acetone in the solution is 0.237, which corresponds to answer choice (b).

To calculate the mole fraction of acetone (C3H6O) in a solution with equal masses of acetone and water, we first need to determine the moles of each substance.
The molecular weight of acetone is 58 g/mol (12*3 + 1*6 + 16), while the molecular weight of water is 18 g/mol (1*2 + 16).
Assuming 100 g of the solution, we have 50 g of acetone and 50 g of water (equal masses). To find the moles, we use the formula moles = mass/molecular weight:
Moles of acetone: 50 g / 58 g/mol = 0.862 moles
Moles of water: 50 g / 18 g/mol = 2.778 moles
Now, we can calculate the mole fraction of acetone using the formula mole fraction = moles of component / total moles:
Mole fraction of acetone: 0.862 moles / (0.862 + 2.778) moles ≈ 0.237
Therefore, the mole fraction of acetone in the solution is approximately 0.237, which corresponds to option b.

To know more about mole fraction visit:

https://brainly.com/question/30724931

#SPJ11

1. The enthalpy of reactant is 80 KJ

2. The enthalpy of product is 160 KJ

3. The activaition energy for the reaction is 160 KJ

4. The heat of reaction is 80 KJ

5. The forward reaction is endothermic

6. The addition of catalyst will lower the activation energy

7. The enthalpy of reactant is less than the enthalpy of product

8. False

9. False

10. False

The enthalpy of reactants defines the energy of the reactants while the enthalpy of products defines the energy of product.

From the diagram given, we obtained the following

The activation energy for the reaction can be obtain as follow:

Activation energy = Peak energy - Energy of reactant

Activation energy = 240 - 80

Activation energy = 160 KJ

The heat of reaction can be obtain as follow:

Heat of reaction = Enthalpy of products - Enthalpy of reactants

Heat of reaction = 160 - 80

Heat of reaction = 80 KJ

The heat of reaction obtained above is positive (i.e 80 KJ).

Thus, we can conclude that the forward reaction is endothermic reaction.

A catalyst is a substance which alters the rate of a reaction. Catalyst tends to lower the activation energy of a reaction, thereby enhacing the reaction rate.

However, we must take note of the following:

From the diagram above, we obtain:

We can see that the enthalpy of the reactant is less than that of the products.

Learn more about activation energy:

https://brainly.com/question/29060218

#SPJ1

Answer:

It is a water molecule.

Explanation:

A water molecule consists of two atoms of hydrogen linked by covalent bonds to the same atom of oxygen. Atoms of oxygen are electronegative and attract the shared electrons in their covalent bonds.

Answer:

A water molecule is an example of a molecule created through covalent bonding. Water is made up of one oxygen atom and 2 hydrogen atoms, hence the chemical symbol H2O. A hydrogen atom is made up of 1 proton at its core and 1 electron that revolves around the core in a three-dimensional orbit.

Explanation: