In the important industrial process for producing ammonia (the Haber process), the overall reaction is:
N2(g) +3H2(g) yields 2NH3(g)+100.4kJ
A yield of NH3 of approximately 98% can be obtained at 200 degrees celsius and 1,000 atmospheres of pressure.
How many grams of N2 must react to form 1.7 grams of ammonia, NH3?
a) 0.0058g
b) 2.8g
c) .052 g
d) 1.4g
e) 2.123 g

Answer:

Hydrogen Chloride

Explanation:

H is the chemical symbol for Hydrogen

Cl is the chemical symbol for Chlorine

N is the chemical symbol for Nitrogen but i'm not sure how that fits there..

:)

Ammonium chloride is the name for the ionic chemical with the formula NHCI. It is created when the ammonium cation (\(NH_4\)+) and chloride anion (Cl-) combine.

Ammonium chloride is a white crystalline substance that is frequently employed in a variety of processes, including as a flux in metalworking, a source of nitrogen in fertilizers, and an ingredient in dry cell batteries. Ammonium chloride contributes to its ionic behavior by dissociating into ammonium and chloride ions when it is dissolved in water. The term "Ammonium Chloride" indicates the compound's ionic nature and composition because it contains both the chloride anion and the ammonium cation.

To know more about Ammonium chloride, here

brainly.com/question/14501371

#SPJ2

The question is located at the end of the page or it is located below the section "with a reference point".

As explained in the text, this is a known point or location used to describe the location of an object.

In this case, some of the reference points you can use include the other sections in the page or the page itself.

Based on this, two possible locations are:

Learn more about location in: https://brainly.com/question/13376711

answer

1. Neon

2. Astatine

3. oxygen

4. Arsenic

5. Silicone

6. Aluminium

7. Calcium

8. Sodium

Answer:

2KClO3 = 2KCl + 3O2

I hope it's helps you

Water has a much higher specific heat, than air, because it takes more energy to heat water than it does to heat air.

This is a term which is referred to as the quantity of heat which is required to raise the temperature of one gram of a substance by one Celsius degree.

Water has a higher specific heat because it requires more energy to heat water than it does to heat air and an example is result of the specific heat  of the two variables from various studies by scientists in various parts of the world.

Water has a specific heat of 4.186 J/g degrees celsius, versus air, which has a specific heat of 1.005 J/g degrees celsius which is therefore the reason why water was chosen as the correct choice and the one which has a higher specific heat.

Read more about Specific heat here https://brainly.com/question/27991746

#SPJ1

The atomic mass of manganese atom​ : 55

Given

Manganese (Mn) atom has 30 neutrons

atomic number 25

Required

the atomic mass

Solution

The atomic mass=number of protons+number of neutrons

The atomic number = number of protons=number of electrons

The number of protons=25, so the atomic mass :

\(\tt =ptotons+neutrons\\\\=25+30\\\\=55\)

Answer:

The correct answer is -

Thermal, mechanical, electrical, and thermal.

Explanation:

In this system, From the flames, two types of energy generate light and thermal, thermal energy heats the other object while light energy only provides light so the kettle gets heat from thermal energy.

Thermal energy from flames converts water into steam which in turn moves out of the kettle and turns the turbine by mechanical energy to produce electrical energy. The electrical energy increases the temperature of water and produces steams and it release in the atmosphere in the form of thermal energy.

Answer:

d. The temperature at which each bean is kept.

Explanation:

Temperature would be the variable (precisely independent variable) because you will change temperature (hence variable) to determine what is the best temperature for fastest growth.

Dependent variable would be plant growth as it depends on temperature.

The cheese curds are formed due to the coagulation of the protein by acidic lemon juice.

We need to review the fundamental nature of the milk and the lemon juice. In this case, it must occur to us again that milk is made up of a protein and since it is a protein, we know that there is an optimum pH where a protein is able to function quite well. Outside that pH, the protein may not be able to function well.

Again the lemon juice is largely composed of acid since it is of the citrus family hence it contains the citric acid and this would cause the pH of the system to ow tilt towards the acid range.

Having laid these foundations, we can now see that when we do add the lemon juice to the milk the pH of the system is now outside the optimal and the protein in the milk would coagulate thus the cheese curds are formed.

Learn more about milk protein:https://brainly.com/question/21265328

#SPJ1

An increase in temperature will shift the position of the equilibrium toward the products.

In an exothermic reaction, heat is released as a product. According to Le Chatelier's principle, when a system at equilibrium is subjected to a change in temperature, it will shift in a direction that opposes the change. Since the reaction is already exothermic in the forward direction, an increase in temperature represents an external addition of heat. To counteract this increase in temperature, the equilibrium will shift in the endothermic direction, which is towards the products.

This shift helps to absorb the excess heat and restore equilibrium. Therefore, the increase in temperature will shift the position of the equilibrium toward the products.

You can learn more about temperature  at

https://brainly.com/question/25677592

#SPJ11

Thomson's model suggested that electrons were mixed into the sphere of an atom, much like raisins in a plum pudding.

Thomson's atomic model was proposed by William Thomson in the year 1900. This model explained the description of the inner structure of the atom and was strongly supported by Joseph Thomson, who had discovered the electron earlier.

A negatively charged particle was discovered by J.J. Thomson during the cathode ray tube experiment that was called an electron. Thomson assumed that an electron was lighter than a proton and that an atom is composed of thousands of electrons.

In this atomic model, he considered an atom is a cloud having positive as well as negative charges. The demonstration of the ionization by X-ray was done by him together with Rutherford. Thomson’s model of an atom was quite similar to a plum pudding.

Learn more about Thomson's model, here:

https://brainly.com/question/1348806

#SPJ1

Given, Manganese dioxide (MnO2) = 28gHydrochloric acid (HCl) = 42g

To find, Theoretical yield of Cl2, We will find the limiting reagent and use its mole to find the theoretical yield of Cl2.MnO2 + 4HCl → MnCl2 + 2H2O + Cl2First we will find the limiting reagent.

The number of moles of MnO2 is, Moles of MnO2 = Mass/Molar mass = 28/86.94 = 0.322 mol The number of moles of HCl is, Moles of HCl = Mass/Molar mass = 42/36.46 = 1.151 mole will use the mole ratio of MnO2 and HCl to find the mole of Cl2. The mole of HCl required to react with 0.322 mol of MnO2 = 0.322 x 4 = 1.288 mol The number of moles of Cl2 will be, Moles of Cl2 = 0.322 x 1 / 4 = 0.0805 mol. The theoretical yield of Cl2 from the given reactants is,

Theoretical yield of Cl2 = Moles x Molar mass = 0.0805 x 70.9 = 5.71 g Chlorine gas will be produced with a theoretical yield of 5.71 g when 28 g of MnO2 and 42 g of HCl are mixed.

Learn more about theoretical yield

https://brainly.com/question/25996347-

#SPJ11

A carbon-hydrogen bond in ethane (CH3CH3) is best described essentially nonpolar. Option B is correct.

A nonpolar bond is one in which electrons are shared equally between atoms.In Ethane, the carbon atom has four valence electrons, while the hydrogen atom has one valence electron. The carbon atom forms four covalent bonds to the hydrogen atoms. Since the hydrogen atoms are equivalent, all of the carbon-hydrogen bonds are identical.

Each of the carbon-hydrogen bonds has a bond distance of 109.5°.Ethane is a hydrocarbon with the formula C2H6. It is an alkane with two carbon atoms. It's also known as a saturated hydrocarbon because all of its carbon atoms are bonded to as many hydrogen atoms as possible. Because of this, it contains only single bonds between atoms.Each carbon in ethane is surrounded by four other atoms and has a tetrahedral geometry.

Since the electronegativity of carbon and hydrogen atoms is quite close, the carbon-hydrogen bonds in ethane are nonpolar and symmetric. Because the electronegativity values of carbon and hydrogen are close, there is no significant polarity between the carbon-hydrogen bonds. Therefore, the carbon-hydrogen bond in ethane is best described as essentially nonpolar.

Therefore, Option B is correct.

Learn more about nonpolar -

brainly.com/question/30763634

#SPJ11

Answer:

m = 0.122 m

Explanation:

Molality(m): A measure of the number of moles of solute in a solution corresponding to 1 kg or 1000 g of solvent.

\(\mathrm{Molality\:Formula}:\quad \mathrm m = \dfrac{ mole\:of\:solute }{ mass\:of\:solvent\:in\:kg }\)

\(\mathrm m = \dfrac{ mole}{ kg }\)

\(\mathrm{Substitute\:the\:numbers\:into\:the\:"Molality\:Formula"}\)

\(\mathrm m = \dfrac{ 0.250 }{ 2.05 }\)

\(\mathrm{Divide\:0.250\:by\:2.05\:and\:get\:0.12195122}\)

\(\mathrm m = {0.12195122}\)

\(\mathrm{Round\:to\:the\:nearest\:thousandths\:place}\)

\(\mathrm m = 0.122\)

Answer:

To calculate the molality of the resulting solution, we need to use the formula:

Molality (m) = moles of solute / mass of solvent (in kg)

Given:

Number of moles of NaCl (solute) = 0.250 mol

Mass of H2O (solvent) = 2.05 kg

Step 1: Convert the mass of the solvent from grams to kilograms:

Mass of H2O = 2.05 kg

Step 2: Calculate the molality using the formula:

Molality (m) = moles of solute / mass of solvent (in kg)

Molality = 0.250 mol / 2.05 kg

Molality = 0.122 mol/kg

Therefore, the molality of the resulting solution is 0.122 mol/kg.

PLEASE MARK AS BRAINLIEST

Answer: The atomic symbol represent an isotope that undergoes radioactive decay to produce Pb-206 can be, Polonium (Po).

Explanation:

Answer:

A. cannot tell which change produced the results.

If more than one variable is changed in an experiment, scientist cannot attribute the changes or differences in the results to one cause. By looking at and changing one variable at a time, the results can be directly attributed to the independent variable

Answer:

He recommended max dose of a medication is 5.00 mg/kg of body weight. You have a patient who weighs 125 pounds. The pharmacy offers three different pills containing 500 mg, 250 mg, and 100 mg of medication.

Answer: 100mg

Explanation: if 454g= 1lb take 125lbs times the number of grams (which would be about 56699 grams), convert that to mg and you would get about 100mg of a dose tablet

(P.S don't know if i'm right)

The law of multiple proportions says that when two elements combine and form more than one compound, the mass of one element that combines with a fixed mass of the other is present in a ratio of small whole numbers.

The law of multiple proportions states that when two elements form more than one compound then the ratios of the masses of the second element that combine with a fixed mass of the first element will always present in ratios of small whole numbers. So sodium chloride and sodium bromide. The Law of multiple proportions is a statement that when two elements combine and form more than one compound, the law of multiple proportions. This law was an important step toward the atomic theory that would propose later, and it laid the basis for the formation of chemical formulas for compounds.

So we can conclude that the law of multiple proportions states that if two elements form more than one compound, then the ratios of the masses of the second element.

Learn more about multiple proportions here: https://brainly.com/question/24443630

#SPJ1

Answer:

1.Transport through surface water

2.Transprt through soil

Explanation:

I learned it from my 7th- grade science teacher and suprisingly I still t it. Hope this helps.

Answer:

it is oil.

Explanation:

it is oil because if water was written that would be wried so I think it is oil.

The sets in σ(A,B) are the smallest σ-algebra that contains both A and B.

In probability theory and measure theory, a σ-algebra is a collection of subsets of a given set Ω that satisfies certain properties. The notation σ(A,B) represents the smallest σ-algebra that contains both subsets A and B. This means that σ(A,B) consists of all possible subsets that can be formed by taking the union, intersection, and complement of sets in A and B.

To understand this concept better, let's consider an example. Suppose we have a set Ω = {1, 2, 3, 4} and two subsets A = {1, 2} and B = {2, 3}. The σ-algebra σ(A,B) would include the empty set, the set Ω itself, as well as other subsets such as {1}, {2}, {3}, {1, 2}, {2, 3}, and {1, 2, 3}. It would also include their complements, for example, the complement of {1} would be {2, 3, 4}.

The σ-algebra σ(A,B) is important in probability theory as it allows us to define probability measures and study various properties of events and random variables. By identifying all the sets in σ(A,B), we can determine the range of events that can be analyzed within this framework.

Learn more about σ-algebras

brainly.com/question/32708586

#SPJ11

The mass of NH₄ClO₄ needed to react for every kilogram of Al is 4.351 Kg

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

3Al + 3NH₄ClO₄ -> Al₂O₃ + AlCl₃ + 3NO + 6H₂O

Molar mass of Al = 27 g/mol

Mass of Al from the balanced equation = 3 × 27 = 81 g = 81 / 1000 = 0.081 Kg

Molar mass of NH₄ClO₄ = 117.5 g/mol

Mass of NH₄ClO₄ from the balanced equation = 3 × 117.5 = 352.5 g = 352.5 / 1000 = 0.3525 Kg

SUMMARY

From the balanced equation above,

0.081 Kg of Al reacted with 0.3525 Kg of NH₄ClO₄

From the balanced equation above,

0.081 Kg of Al reacted with 0.3525 Kg of NH₄ClO₄

Therefore,

1 Kg of Al will react with = (1 × 0.3525) / 0.081 = 4.351 Kg of NH₄ClO₄

Thus, 4.351 Kg of NH₄ClO₄ is needed for the reaction.

Learn more about stoichiometry:

https://brainly.com/question/14735801

#SPJ1

Answer:

A. avoid talking to Anna altogether and stay out of her way

B. ask her manager for advice

C. check with Gary to see if there is any gossip about what's going on with Anna

D. take a curt approach of her own to show Anna how it feels

Explanation:

ANSWER: B.

To calculate the number of grams in 4 moles of potassium chloride (KCl), the atomic masses of potassium and chlorine have to be found. It is then added to obtain the molar mass of KCl.

Finally, multiply the molar mass of KCl by the number of moles of KCl to determine the amount of KCl in grams.    Potassium has a molar mass of 39.1 grams/mole, and chlorine has a molar mass of 35.5 grams/mole. Therefore, the molar mass of potassium chloride (KCl) is calculated as follows:Molar mass of KCl = 39.1 g/mol + 35.5 g/molMolar mass of KCl = 74.6 g/molTo compute the number of grams in 4 moles of KCl, the following formula is used:Number of grams = Number of moles × Molar massNumber of grams = 4 mol × 74.6 g/molNumber of grams = 298.4 gTherefore, 4 moles of potassium chloride (KCl) contain 298.4 grams of KCl.   Answer: There are 298.4 grams in 4 moles of potassium chloride.

For more information on  potassium chloride visit:

brainly.com/question/31104976

#SPJ11

Answer:

cell walls

Explanation:

looked it up on google

A fungus is an organism whose cells have nuclei as is present in eukaryotic cells.

Eukaryotic cells are the cells which show presence of  a nucleus and have  membrane bound organelles.They may be  either unicellular or multicellular depending on the number of cells which are  present in them.

In eukaryotes , the genetic material is is stored within an organelle which is called as it's nucleus wherein it is organized in to long molecules which are called as chromosomes.They possess other organelles like mitochondria which are responsible for generation of energy . Endoplasmic reticulum which helps in transport of proteins .

Eukaryotic cells also contain organelles, including mitochondria, a Golgi apparatus , an endoplasmic reticulum , and lysosomes .

Learn more about eukaryotic cells,here:

https://brainly.com/question/29512671

#SPJ6

The EPA stream quality indicator for dissolved oxygen in stream water is:c. 5 mg per liter

Dissolved oxygen (DO) is an important indicator of the health of a water body. The EPA (Environmental Protection Agency) has set guidelines for the minimum dissolved oxygen levels to support a healthy aquatic ecosystem. For streams, the recommended minimum level of dissolved oxygen is 5 mg per liter. This level ensures that the water can support a diverse range of aquatic life, including fish, invertebrates, and other organisms.
To maintain good water quality, it's essential to regularly monitor dissolved oxygen levels using various sampling methods and equipment. If dissolved oxygen levels drop below the recommended threshold, it can indicate problems such as pollution or excessive nutrient loading, which can lead to eutrophication and negatively impact the ecosystem.

Learn more about Dissolved oxygen Refer: https://brainly.com/question/29027453

#SPJ11

Answer:

- Water from beaker will move to the tube

Explanation:

Total percentage of water in the beaker;

\( = { \tt{100\% - 5\%}} \\ = { \tt{95\%}}\)

Total percentage of water in dialysis tube;

\({ \tt{ = 100\% - 15\%}} \\ = { \tt{85\%}}\)

So, there is much water concentration in the beaker than the dialysis tubing, this causes a determined percentage of water to diffuse to the tubing, and determined percentage of salt to move from tubing to the beaker.

Percentage of water moving to tubing;

\({ \tt{ = 95\% - 85\%}} \\ = { \tt{10\%}}\)

Percentage of salt moving from tubing to beaker

\({ \tt{ = 15\% - 5\%}} \\ { \tt{ = 10\%}}\)