Nitrogen combines with oxygen in the atmosphere during lightning flashes to form nitrogen monoxide, NO, which then reacts further with O2 to produce nitrogen dioxide, NO2. (a) What mass of NO2 is formed when NO reacts with 364 g O2? __ g (b) How many grams of NO are required to react with this amount of O2?
Answers
(a) 1046.5 g of NO₂ is formed when NO reacts with 364 g of O₂.
(b) 682.5g of NO is required to react with 364 g of O₂.
(a)The balanced chemical equation for the formation of nitrogen dioxide is given below:
2NO + O₂ → 2NO₂
We have been given the mass of oxygen, and we have to calculate the mass of nitrogen dioxide formed. Using stoichiometry:
Amount of NO₂ produced =2 x Amount of O₂ used
The molecular mass of NO₂ = 46 g/mol
The molecular mass of O₂ = 32 g/mol
Number of moles of O₂ = 364 g / 32 g/mol = 11.375 mol
From the balanced chemical equation:
1 mole O₂ produces 2 moles of NO₂
So, 11.375 moles O₂ will produce 11.375 x 2 = 22.75 moles of NO₂
Amount of NO₂ produced
= Number of moles × Molecular mass
=22.75 mol × 46 g/mol= 1046.5 g
Thus, 1046.5 g of NO₂ is formed when NO reacts with 364 g of O₂.
(b)From the balanced chemical equation:
2 moles of NO requires 1 mole of O₂ or 1 mole of O₂ needs 2 mole of NO₂
11.375 moles of O₂ will need = 11.375 x 2 = 22.75 moles of NO
Amount of NO required = Number of moles × Molecular mass= 22.75 mol × 30 g/mol= 682.5 g
Thus, 682.5g of NO is required to react with 364 g of O₂.
Therefore, 364g of O₂ will require 682.5g of NO and will produce 1046.5 g of NO₂.
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Related Questions
What is the difference between ethanol and methanol.
Answers
draw the structure of the major organic product isolated from the reaction of 1-hexyne with chlorine (1 mol).
Answers
The structure of the major organic product isolated from the reaction of 1-hexyne with chlorine (1 mol) is 3-chloro-1-hexene.
When one mol of 1-hexyne reacts with chlorine, the major organic product isolated from the reaction is 3-chloro-1-hexene.
Structure of the major organic product isolated from the reaction of 1-hexyne with chlorine (1 mol):Explanation:1-hexyne is an alkyne containing six carbon atoms and a triple bond between the first and second carbon atoms. When it reacts with chlorine, the triple bond breaks, and a chlorine atom is added to one of the carbons.
This results in the formation of several products.3-chloro-1-hexene is the major organic product that is obtained from this reaction. It is an alkene that contains six carbon atoms, with a chlorine atom attached to the third carbon atom. Its structure is shown below:
Therefore, the structure of the major organic product isolated from the reaction of 1-hexyne with chlorine (1 mol) is 3-chloro-1-hexene.
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true or false?
all atoms of the same element contain the same number of neutrons
Answers
Answer: The answer is False
Explanation: They can be the same element yet have different numbers of neutrons i'm pretty sure they are called isotopes
I JUST NEED HELP!!! ASAP!!1 PLEASE!!!
Which fundamental principle from chemistry states different samples of the same substance contain elements in the same proportions?
Question 15 options:
A)
Law of simple multiple proportions
B)
Plum-pudding model
C)
Law of constant composition
D)
Bohr model
Answers
Answer:
I believe its A) Law of simple multiple proportions
Explanation:
The law of definite proportions states that a given chemical compound always contains the same elements in the exact same proportions by mass.
Answer:
A) Law of simple multiple proportions
Explanation:
What is the name of NaC2H3O2?
Answers
The chemical name for NaC₂H₃O₂ is sodium acetate.
Sodium acetate is a compound that consists of sodium ions (Na+) and acetate ions. It is also known by its chemical formula CH₃COONa. The compound is commonly found in both solid and aqueous forms.
Sodium acetate is produced by the neutralization reaction between acetic acid and sodium hydroxide. It can also be obtained by reacting sodium carbonate with acetic acid. The resulting product is a white crystalline solid that is highly soluble in water.
One of the notable properties of sodium acetate is its ability to act as a buffer solution, meaning it can resist changes in pH. It is often used in various applications.
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There is a series of nitrogen oxides with the general formula N?O?. What is the empirical formula of one that contains 63.66% nitrogen?
Answers
Answer:
N₂O
Explanation:
Empirical formula is defined as the simplest whole number ratio of atoms presents in a molecule
For a nitrogen oxide that contains 63.66% of nitrogen, the percent of oxygen must be:
100-63.66 = 36.34% Oxygen
This percent is the percent in mass. To solve this question we must convert the mass of each atom to moles in order to find the simplest whole number ratio:
Moles of the atoms:
N = 63.66g * (1mol / 14g) = 4.547 moles N
O = 36.34g * (1mol / 16g) = 2.271 moles O
The ratio N:O is:
4.547 moles N / 2.271 moles O = 2
That means there are 2 atoms of N per atom of O and the empirical formula is:
N₂OPlease help thank you
Answers
Answer:
The answer is the 2nd one down: The green house affect
A glucose solution in water is labelled as 20%. the density of the solution is 1.20 g/ml.
what is the molarity of the solution?
help your boy out
Answers
The molarity of the glucose solution is 6.66 M.
To determine the molarity of the glucose solution, we first need to convert the percentage concentration to grams of glucose per milliliter of solution.
Since the solution is labeled as 20%, we know that there are 20 grams of glucose in 100 milliliters of solution.
We can then use the density of the solution to convert from milliliters to grams:
1.20 g/mL x 100 mL = 120 g
So, there are 120 grams of glucose in the entire solution.
Now, we can calculate the number of moles of glucose using its molar mass, which is 180.16 g/mol:
moles of glucose = mass of glucose / molar mass = 120 g / 180.16 g/mol = 0.666 moles
Finally, we can calculate the molarity of the solution:
molarity = moles of solute / volume of solution in liters
We know that the volume of the solution is 100 mL or 0.1 L:
molarity = 0.666 moles / 0.1 L = 6.66 M
Therefore, the molarity of the glucose solution is 6.66 M.
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what is the autoionization of water? autoionization of water is what is the autoionization of water?autoionization of water is a process where water acts as an acid and a base when it reacts with itself. a process where water acts as a base when it reacts with itself. a process where water acts as neither an acid nor a base when it reacts with itself. a process where water acts as an acid when it reacts with itself.
Answers
The autoionization of water is a unique property that describes the process where water molecules act as both an acid and a base when they react with each other.
This process is also known as self-ionization, where a small percentage of water molecules dissociate into ions, H+ and OH-, spontaneously. This happens due to the presence of a weak hydrogen bond between the hydrogen and oxygen atoms in water molecules. This reaction is essential for many chemical reactions that occur in aqueous solutions since it determines the concentration of H+ and OH- ions in the solution, which is crucial for pH calculation.
It is interesting to note that pure water at 25°C has an equal concentration of H+ and OH- ions, which is why it is considered neutral. Autoionization of water is a fundamental concept in chemistry that helps us understand the unique behavior of water as a universal solvent.
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What is the best alternative to safely cooling foods without a blast chiller?
Answers
Moving hot food in a covered pan to a cooler space, such as a storage room, or submerging it in ice water, is another option. Ice can also be used to hasten the cooling process.
Soups can be chilled by submerging them in cold water. This technique aids in a swift and secure drop in food temperature. To make a slush, put some ice in a big container or sink and add some water. After that, put the plate of food to be chilled into the ice bath. bathing in ice water and stirring the food often.Food is stirred with ice paddles, which are plastic containers that have been frozen after being filled with water.using ice as a component (if water is an ingredient).chiller that jars or tumbles.
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covalent bonds usually form between atoms of _______?
Answers
Answer:
Non-metals
Explanation:
Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom.
how many ionic bonds are in copper?
Answers
The number of ionic bond in copper is zero.
Pure copper or any pure metal for that matter are examples of metallic bonds, which are neither ionic nor covalent. The copper atoms are stacked very tightly in a solid lattice. In fact it has a face centered cubic lattice which is the closed packing of atoms possible. Each atom has twelve nearest neighbors which allows their 4s orbitals (mostly) to have the optimal overlap. All of these orbitals therefore combine in one gigantic band of delocalized orbitals that spans the entire crystal with its myriad atoms. This band is only partly filled and the difference in energy between one state and the next is puny, which explains copper’s outstanding conductive properties.
Therefore, the bonding in copper has a metallic character.
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What value must you identify before measuring the absorbance of your diluted solutions?
a.????max
b.molar absorptivity
c.path length
d.concentration of spinach extract solution
Answers
Before measuring the absorbance of a diluted solution using a spectrophotometer, it is necessary to identify the path length of the sample cell. The path length refers to the distance that light travels through the solution in the cell, and it is typically measured in centimeters.
The absorbance of a solution depends on the concentration of the absorbing substance, the path length of the cell, and the molar absorptivity of the substance at a given wavelength. The molar absorptivity, also known as the extinction coefficient, is a constant that reflects the efficiency of a substance in absorbing light at a specific wavelength.
However, in order to use Beer's Law (A = εbc) to calculate the concentration of the absorbing substance in a solution, it is necessary to know the path length (b) of the cell. Therefore, it is important to measure or know the path length of the cell before measuring the absorbance of the diluted solutions in order to calculate the concentration of the absorbing substance accurately.
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methane gas (ch4) at 25°c, 1 atm and a volumetric flow rate of 27 m3/h enters a heat-treating furnace operating at steady state. the methane burns completely with 140% of theoretical air entering at 127°c, 1 atm. products of combustion exit at 427°c, 1 atm. determine a. the volumetric flow rate of the air, in m3/h. b. the rate of heat transfer from the furnace, in kj/h.
Answers
a) The volumetric flow rate of air entering the furnace is approximately 20.78 \(m^3/h.\)
b) the rate of heat transfer from the furnace is approximately 15,600 kJ/h.
To solve this problem, we need to apply the principles of stoichiometry and energy balance. Let's break it down step by step:
a.) To determine the volumetric flow rate of air, we'll use the stoichiometry of the combustion reaction. Methane (\(CH_4\)) burns completely with air according to the following balanced equation:
\(CH_4\)+ 2 ( \(O_2\)+ 3.76 \(N_2\)) -> \(CO_2\)+ 2 \(H_2O\) + 7.52 \(N_2\)
Since we're given that the methane flow rate is 27 m^3/h, we can set up the equation:
27 \(m^3/h.\) \(CH_4\)* (2 + 3.76) = Air flow rate * 7.52
Simplifying, we find:
27 * 5.76 = Air flow rate * 7.52
Air flow rate = (27 * 5.76) / 7.52 ≈ 20.78 m^3/h
Therefore, the volumetric flow rate of air entering the furnace is approximately 20.78 \(m^3/h.\).
b. To determine the rate of heat transfer from the furnace, we'll use the energy balance equation. The energy balance can be expressed as follows:
Q = m_air * Cp_air * (T_exit_air - T_enter_air)
Where:
Q is the rate of heat transfer (in kW),
m_air is the mass flow rate of air (in kg/h),
Cp_air is the specific heat capacity of air (assumed constant at around 1.005 kJ/kg·°C),
T_exit_air is the exit temperature of air (427°C),
T_enter_air is the entering temperature of air (127°C).
To convert the volumetric flow rate of air to mass flow rate, we'll need to consider the density of air at the given conditions. At 127°C and 1 atm, the density of air is approximately 0.941 kg/m^3.
m_air = Air flow rate * Density_air = 20.78 m^3/h * 0.941 kg/m^3 = 19.53 kg/h
Now we can substitute the values into the energy balance equation:
Q = 19.53 kg/h * 1.005 kJ/kg·°C * (427°C - 127°C) = 15,600 kJ/h
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The process of burning a fossil fuel to release energy is called
Answers
Answer:combustion
Explanation:
Which statement about Niels Bohr's atomic model is true?
Answers
Correct answer is Each orbit has a specific energy level.
According to Bohr's atomic model There is a certain energy for each orbit, with the inner orbit having the lowest energy. As you move farther from the nucleus, the energy of the orbits increases. We can say that the energy of the electrons are quantized if we state that they can only have certain energies.The ground state, also known as the lowest orbit, is where the electron typically resides.A lower energy level to a higher energy level is reached by an atom's electrons by gaining the necessary energy, and a higher energy level to a lower energy level by losing energy.Inner energy levels have low energy and outer or higher energy levels have high energy.Therefore, Correct statement is Each orbit has a specific energy level.
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The complete question is mentioned below:
Which statement about Niels Bohr’s atomic model is true?
a) Higher orbits have lower energies.
b) Each orbit has a specific energy level. c) Electrons can exist in any energy level. d) Orbits close to the nucleus have no energy.
Which of the following has mechanical energy? (5 points)
Car battery
Compressed spring
Glowing incandescent lightbulb
Nucleus of uranium atom
Answers
Answer:
compressed spring
Explanation:
An Erlenmeyer flask holds
19.0 g of a liquid that takes
up a volume of 25.0 mL.
What is the density of the
liquid?
Answers
Taking into account the definition of density, the density of the liquid is 0.76 \(\frac{g}{mL}\).
First of all, density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.
In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.
Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:
\(density=\frac{mass}{volume}\)
From this expression it can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.
In this case, you know:
mass= 19 gvolume =25 mLSo, replacing in the definition of density:
\(density= \frac{19 g}{25 mL}\)
Solving:
\(density= 0.76 \frac{g}{mL}\)
Finally, the density of the liquid is 0.76 \(\frac{g}{mL}\).
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brainly.com/question/952755?referrer=searchResults brainly.com/question/1462554?referrer=searchResultsWhat are the reactants for respiration?
Question 1 options:
carbon dioxide and water
oxygen and sugar
water and oxygen
water and sugar
Answers
Carbon dioxide and water is the correct answer**
2. At about what temperature will 37 g of both copper(II) sulfate and potassium chloride disse
in 100 g of water?
Answers
The temperature at which 37 g of both copper(II) sulfate and potassium chloride dissolve in 100 g of water is approximately 38 ⁰C.
What is solubility?The solubility of a substance is its ability to be dissolved in water.
Solubility of 37 g of Copper (II) sulfateThe solubility of 37 g of Copper (II) sulfate is determined from the solubility curve of Copper (II) sulfate.
Solubility of 37 g of potassium chlorideThe solubility of 37 g of potassium chloride is determined from the solubility of potassium chloride.
Thus, from the solubility charts, the temperature at which 37 g of both copper(II) sulfate and potassium chloride dissolve in 100 g of water is approximately 38 ⁰C.
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Jaden completed a chart on the properties of four known substances and one unknown substance.what type of matter is jadens unknown substance
Answers
Answer:
This unknown substance is a liquid.
Hope it helped.
Which change will produce a new substance
Answers
Answer:
Chemical change
Explanation:
Because it will be 2 mixtures of each substances making it 1 substance, and 1 change.
Define the ground state of an atom
Answers
Explanation:
The nucleus of an atom is surround by electrons that occupy shells, or orbitals of varying energy levels. The ground state of an electron, the energy level it normally occupies, is the state of lowest energy for that electron. There is also a maximum energy that each electron can have and still be part of its atom.
a. What is the mass of 3.47x10^26 molecules of CuCl2?
Answers
Answer:
77460 g
Explanation:
To solve this problem first we convert molecules into moles, using Avogadro's number:
3.47x10²⁶ molecules ÷ 6.023x10²³ molecules/mol = 576.12 moles
Then we convert 576.12 CuCl₂ moles into grams, using its molar mass:
576.12 mol * 134.45 g/mol = 77460 g
So the answer is 77460 g, or 77.46 kg.
3. which of the following is not true?
A. In Polar Reaction a, nucleophile reacts an elctrophile
B. Carboactions are elcrophiles
C. Carboanions are nucleophile
D. A Half-headed curver arrow shows the movemant of an electron pair 4. Which of the following statements is true? A. The size of the activiation energy tells us about the reaction mecanism
B. The size of the activiation energy tells us about the reaction rate
C. A show reaction has low reaction energy
D. A fast reaction has large reaction energy
Answers
Which of the following statements regarding electrophiles is untrue? According to ideas about acid-base reactions, electrophiles are Lewis acids rather than Lewis bases because they receive electrons.
Because their partial positive charge is masked by polar bonding and/or resonance, electrophiles can be hard to spot. We thus come to the conclusion that the proper understanding of an electrophile is that it may exist as a positively charged or neutral species and that it can establish a bond by receiving a pair of electrons from a nucleophile. So, the appropriate choice is BF3 is an electron-poor substance. It lacks a spare pair of electrons that it could provide. It is therefore not nucleophilic.
When two bound atoms separate, one takes more of the shared electrons than the other, and this causes a polar reaction.
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Purification of copper can be achieved by electrorefining copper from an impure copper anode onto a pure copper cathode in an electrolytic cell. How many hours will it take to plate 14.5 kg of copper onto the cathode if the current passed through the cell is held constant at 35.0 A?
Answers
To calculate the time it will take to plate 14.5 kg of copper onto the cathode, we need to use Faraday's law of electrolysis, which states that the amount of substance deposited or liberated during electrolysis is directly proportional to the quantity of electricity passed through the cell.
The formula we can use is:
Amount of substance deposited = (Current × Time × Molar mass) / Faraday's constant
First, we need to determine the molar mass of copper (Cu), which is 63.55 g/mol.
Next, we need to determine the Faraday's constant, which is 96,485 C/mol.
Given that the current passed through the cell is held constant at 35.0 A and we want to plate 14.5 kg of copper, we can rearrange the formula to solve for time:
Time = (Amount of substance deposited × Faraday's constant) / (Current × Molar mass)
Plugging in the values:
Time = (14,500 g / 63.55 g/mol) × (96,485 C/mol) / (35.0 A)
Time = (228.17 mol) × (96,485 C/mol) / (35.0 A)
Now, we can calculate the time in seconds. However, since the current is in amperes (A) and the Faraday's constant is in coulombs per mole (C/mol), the units cancel out, and we can convert the result to hours.
Time = (228.17 mol) × (96,485 s) / (35.0 A) / (3600 s/hour)
Time ≈ 180.84 hours
Therefore, it will take approximately 180.84 hours to plate 14.5 kg of copper onto the cathode when a current of 35.0 A is passed through the cell.
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Translate the triangle.
Then enter the new coordinates.
C (5,2)
<-6,1 >
B(6,1)
A (8,4)
'A' ([?], [])
B'([_], [_])
C'([ ], [ ])
![Translate the triangle.Then enter the new coordinates.C (5,2)<-6,1 >B(6,1)A (8,4)'A' ([?], [])B'([_],](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/VEKte1JDasWiZbAIokGtUtaTsX2fWWVw.png)
Answers
In the graph, the triangle is shown. The new coordination is A' (-3,3) B' (-2,-1) C' (-6, -2).
What is coordination?The first quadrant, second quadrant, third quadrant, and fourth quadrant are the only names given to the four quadrants of the coordinate plane.
Start at the point, then move up or down a vertical line until you reach the x-axis. Your x-coordinate is shown there. To get the y-coordinate, repeat the previous step while adhering to a horizontal line.
Simply put, coordinates are the numbers that identify each X, Y, and optionally Z position of an object. Its metric refers to the set of coordinates that characterizes an object.
Therefore, the new coordinations are A' (-3,3) B' (-2,-1) C' (-6, -2).
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what are the structures and physical properties of the following compounds which can be found in the spearment and caraway oils: limonene, a-phellandrene, b-phellandrone, larvone, pinene
Answers
Spearmint and caraway oils contain several compounds. Some of these compounds have several structures and physical properties. Below is the discussion of the physical properties and structures of the compounds found in the spearment and caraway oils.
Limonene Limonene is a colorless liquid compound with a strong sweet citrus odor. Limonene is an acyclic monoterpene that has a molecular formula of C10H16.
The physical properties of Limonene include a boiling point of 176 °C, a melting point of -74 °C, a specific gravity of 0.84, and a refractive index of 1.471.
Limonene is used in food, medicines, and perfumes. A-Phellandrene A-Phellandrene is a chemical compound that is liquid and colorless.
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____________________________ the cell organelle where cellular respiration occurs.
Answers
Answer:
Mitochondrion is the cell organelle where cellular respiration occurs.
Hope it helps ^^
Answer:
Mitochondria
I hope this helps!
Aqueous zinc bromide reacts with solid aluminum to produce aqueous aluminum bromide and solid zinc. Write a balanced equation for this reaction
Answers
The balanced equation for the reaction between aqueous zinc bromide (ZnBr₂) and solid aluminum (Al) to produce aqueous aluminum bromide (AlBr₃) and solid zinc (Zn) is:
3ZnBr₂ + 2Al -> 2AlBr₃ + 3Zn
In this reaction, three moles of zinc bromide (ZnBr₂ ) react with two moles of aluminum (Al) to yield two moles of aluminum bromide (AlBr₃) and three moles of zinc (Zn). The equation is balanced in terms of both mass and charge, ensuring that the number of atoms of each element is the same on both sides of the equation.
This reaction represents a single replacement or displacement reaction, where aluminum replaces zinc in the compound to form a new compound and release zinc as a solid product.
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