Chemistry High School

2N2 + 502 --> 2N205
Based on the above reaction, if 7 moles of Ny react completely, how many moles of Oz must also react?
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2N2 + 502 --> 2N205Based On The Above Reaction, If 7 Moles Of Ny React Completely, How Many Moles

Answers

Answer 1

Answer:

wait are you talking about the bottom question??

Related Questions

Calculate the relative formula mass (Mr) of gold chloride (AuCl3).
Relative atomic masses (Ar): Cl = 35.5 Au = 197

Answers

Answer:

197 + (35.5×3) = 303.5

Explanation:

relative formula mass is the sum of the relative atomic masses of the atoms in the formula ( AuCl3 )

Explain why the properties of metals, ceramics, semiconductors, polymers, and composites need to be considered before decisions are made about which types of materials are used in a product. Enter your answer in the space provided.

Answers

Answer:

See explanation

Explanation:

In different products, different properties are desired based on the intended use of the final product.

The properties of the final product depends highly on the properties of the materials from which it was made.

For instance, when we desire a light weight product which is corrosion resistant and maintains a high tensile strength, we may consider the use of composite materials since they exhibit such properties.

Hence, the producer must consider the properties of each particular material before it is used in a product.

Hydrolysis of fructose..​

Answers

Answer:

Fructose, as glucose, reacts in high-temperature and supercritical water to several products. For the hydrolysis of fructose to 5-(hydroxymethyl)-furfural (HMF), Antal and coworkers [6,24] found a sequence of reactions commencing with the fructofuranose ring and retaining it intact.

Explanation:

Are electrons always shared equally in a covalent bond? Give two examples.

Answers

Answer:

covalent bonds form between two nonmetals, resulting in a sharing of electrons-in order to reach their eight valence electrons (octet rule ) however the atoms rarely share the electrons equally. In polar covalent bonds, the electrons are shared unequally.

ex. HCl

and H2O

Density can be dasdied as a
A physical property of matter
B. chemical property of matter
C. physical change
D. chemical change

Answers

Answer:

A

Explanation:

physical property of matter

- no chemical reaction involved

- involves the measurements of mass and density

Mark brainly if answered correctly

Answers

ROW - ( 3 ) is correct

SYSTEM (A)

Respiratory system - here gaseous exchange takes place.

SYSTEM (B)

Digestive system - here nutrients from food is absorbed and assimilated .

SYSTEM (C)

Excretory system - removal of waste occurs

Which statement describes how echolocation and ultrasound imaging are the same? They both use the absorption of sound waves. They both use the diffraction of sound waves. They both use the reflection of sound waves. They both use the transmission of sound waves.

Answers

Answer:

C.) They both use the reflection of sound waves.

Explanation:

Right on Edge

Answer:

C.) They both use the reflection of sound waves.

Explanation:

stay safe 2021

the equation demonstrates a reaction of sodium chloride and fluorine. 2NaCl+F2=2NaF+Cl2. in order for the reaction to proceed, for every two moles of sodium chloride, there must be at least how many mole(s) for fluorine

Answers

Answer: You would need 1 mole of Fluorine

Explanation:The equation is already balanced so just looking at the coefficients in the equation we can see that Sodium Chloride (2NaCl) needs two moles for this equation and fluorine (F2) only needs one.

In order for the reaction to proceed, for every two moles of sodium chloride, there must be at least  1 mole for fluorine.

Balanced chemical reaction:

2NaCl +  F₂ → 2NaF + Cl₂

The reaction given above is balanced. When 2 moles of sodium chloride reacts with 1 mole of fluorine produces 2 moles of sodium fluoride and 1 molecule of chlorine.

Thus, two moles of sodium chloride, there must be at least  1 mole for fluorine.

Find more information Balanced chemical reaction here:

brainly.com/question/16031275

Ohio Achievement Test Coach Science, Grade 5
10. Bob first blows whistle hard. Then he blows the same whistle gently. What
changed when Bob blew the whistle the second time?
POSTTEST
A pitch
B. volume
C. pitch and volume
D. frequency

Answers

I think it’s the frequency? Because it lower his voice when he whistle again

Which is an example of a double
replacement reaction?
2Na+ Cl2 + 2NaCl
H2SO3 → H20 + S02
2K + 2H20 – 2KOH + H2
NaCl + AgF-NaF + AgCI

Answers

this is an example of displacement reaction
NaCl + AgF-NaF + AgCI

Can someone please help me with the right answer? I only have one more attempt :(

Answers

The decomposition of a solid to yield a gaseous product would involve an increase in entropy. So, the fourth answer choice would be correct.

Which element is in group 15 period 6? Periodic table 

Answers

Answer:

Bismuth ( Bi )

Explanation:

In a molecule of N204 how many different types of atoms are there ?

Answers

Answer:

               Symbol         # Atoms

Nitrogen     N                    2

Oxygen     O                    5

What gases are exchanged during respiration?

Answers

Answer:

Explanation:

there should be more showing than telling

Answer:

oxygen and carbon dioxide.

Explanation:

In which type of atom would radioactive decay most likely occur?
Group of answer choices

Radioactive decay will most likely occur in an atom with 26 protons.

Radioactive decay will most likely occur in atoms that have gained or lost electrons to form charged ions.

Radioactive decay will most likely occur in an atom that has more protons than electrons.

Radioactive decay will most likely occur in an atom with an unstable number of protons and neutrons in its nucleus.

Answers

Answer:

4

Explanation:

¿Qué energías son usadas en la fabricación de las llantas desde la obtención de materia prima caucho natural, hasta el producto terminado ?

Answers

Answer:

yo te diria que el elastico amigo es esa

Identify the ideal gas law equation.

Answers

Answer:

The ideal gas law is the relationship described by the equation" PV = nRT where P is pressure , V is volume , n is the number of moles of an ideal gas , R is the ideal gas constant , and T is the temperature .

HOPE THIS HELPS

HAVE A GOOD DAY

Explanation:

Answer:

PV=nRT

Explanation:

How to find the final product of Fe (II) + CI ?

Answers

The valency of iron (Fe) in this equation is 2

While, the valency of chlorine is 1

Therefore, we know that iron wants to give away 2 electrons to attain octet configuration, and chlorine wants to get an electron to attain octet configuration.

Also while find the products the number of atoms is similar to the oppostie valency

Fe = 1 atom , Cl = 2 atoms

Which will form FeCl₂

Happy to help :)

If you need any help pls ask

The following statements were stated by a politician who was paid by the nuclear energy lobby in a debate in favor of nuclear energy:



a. Nuclear energy doesn’t produce a byproduct because the atoms disappear.

b. Nuclear energy produces no polluting gas in its reaction.

c. Nuclear energy does not contribute to global warming.

d. Nuclear energy has low mining and transportation effects on environment.



Which statement is false and should not be used to argue in favor of nuclear energy?



A) Statement A

B) Statement C

C) Statement D

D) Statement B

Answers

Answer:

d

Explanation:

the best state ment is d lol

SnO2 + 2H2 → Sn + 2H2O Tin oxide reacts with hydrogen to produce tin and water. What is the limiting reactant

Answers

Answer:

You can't tell with the information provided.

Explanation:

Since this is a balanced chemical equation, there is no limiting reactant. Can you tell us how much of the reactants you began with?

If you know chemistry please be so kind and take some time to help me with these 2 problems!! Marking brainliest!!

Answers

Our balanced equation is Cu + 2AgNO₃ → Cu(NO₃)₂ + 2Ag.

The coefficients of reactants tell us that 1 mole of Cu reacts per 2 moles of AgNO₃. We want to know the mass of Cu that will react with a mass (specifically, 420 g) of AgNO₃. To start, we must convert the mass of AgNO₃ to moles of AgNO₃:

Moles of AgNO₃ = Mass of AgNO₃ ÷ Molar Mass of AgNO₃

Moles of AgNO₃ = 420 g AgNO₃ ÷ 169.88 g AgNO₃/mol AgNO₃

Moles of AgNO₃ = 2.47 moles of AgNO₃.

Since only half as many moles of Cu is consumed in reacting with the AgNO₃, the number of moles of Cu that will react with 2.47 moles of AgNO₃ would be half of 2.47, or 1.24 moles of Cu.

Finally, we can convert the molar quantity of Cu to mass by multiplying the number of moles of Cu by the molar mass of Cu:

Mass of Cu = Moles of Cu × Molar Mass of Cu

Mass of Cu = 1.24 moles Cu × 63.546 g Cu/moles Cu

Mass of Cu = 78.6 g of Cu

So, 78.6 grams of Cu are needed to react with 420 g of AgNO₃.

---

The way to solve the second question is identical to how we solved the first question. The coefficient of Ag is 2, so the molar ratio between the Ag produced and Cu reacted is 2:1. In other words, half as many moles of Ag produced is equivalent to the number of moles of Cu that was consumed in the reaction.

So, as we did with the first question, we first convert the mass of the Ag produced to moles. The molar mass of Ag is 107.8682 g/mol. Dividing 98.5 g of Ag by the molar mass gives us 0.913 moles of Ag produced. The number of moles of Cu that reacted to produce 0.913 moles of Ag would be 0.913/2 = 0.457 moles of Cu.

Lastly, multiplying 0.457 moles of Cu by the molar mass of Cu, we obtain the mass of Cu (in grams) that reacted: 0.457 × 63.546 = 29.0 g of Cu.

So, 29.0 grams of Cu reacted to produce 98.5 grams of Ag.

Note: I have provided the answers for both questions to three significant figures; while 420 technically has only two significant figures, it would seem consistent to treat it as having three since 98.5 has three digits and three significant figures.

True or false: When adding acid to base the phenolphthalein indicator changes colour from colourless to pink at the end of the titration.

Answers

Answer: false

Explanation: I don’t know why but I just had this question and gussed false and I was right so false is therefore the right answer. Your welcome.

Read the article and answer the 6 questions in it.

Answers

Answer:

Yea.....where is the article and the 6 questions?

Answer:

Answering

Explanation:

do u want us to tell u what we got?

The greater the difference in EN (electronegativity) between the intramolecular bonding of two atoms, the bond will experience more ionic behavior. A. True b. False​

Answers

true, electronegativity >1.7 is ionic

A lab requires 20.5g of KNO₃. How many moles of KNO₃ are being used in the lab. Your answer should include a correct numerical set up. What is the approximate percent by mass of the water in the hydrated salt? [Show all work.] *

Answers

Answer:

the answer is 0.2

Explanation:

we have a formula that mole= reacting mass/ molar Mass and the molar Mass of KNO3 is 101 so since mole is reacting mass/ molar Mass and our reacting mass is 20.5 then divided it by 101 it is equal to 0.2

HELP!!!!
please omg

Answers

Answer:

I believe it's A. to reduce air bubbles. Tbh, it's been a while

The initial pressure of a balloon floating in the air is 0.53 atm. After the balloon has reached a certain point in the sky, the volume of the air particles in the balloon is 4.3 liters at a final pressure of 0.42 atm. What was the initial volume of the balloon?

Answers

Answer:

The initial volume of the balloon is 3.41 L.

Explanation:

The gas laws are a set of chemical and physical laws that allow determining the behavior of gases in a closed system. The parameters evaluated in these laws are pressure, volume, temperature, and moles.

As the volume increases, the gas particles (atoms or molecules) take longer to reach the walls of the container and therefore collide with them fewer times per unit of time. This means that the pressure will be lower because it represents the frequency of collisions of the gas against the walls. In this way pressure and volume are related, determining Boyle's law which says:

"The volume occupied by a certain gaseous mass at constant temperature is inversely proportional to pressure"

Boyle's law is expressed mathematically as:

Pressure * Volume = constant

or P * V = k

Now it is possible to assume that you have a certain volume of gas V1 that is at a pressure P1 at the beginning of the experiment. If you vary the volume of gas to a new value V2, then the pressure will change to P2, and it will be fulfilled:

P1 * V1 = P2 * V2

In this case:

P1= 0.53 atmV1= ?P2= 0.42 atmV2= 4.3 L

Replacing:

0.53 atm* V1= 0.42 atm* 4.3 L

Solving:

[tex]V1=\frac{0.42 atm* 4.3 L}{0.53 atm}[/tex]

V1= 3.41 L

The initial volume of the balloon is 3.41 L.

Which of the following would not produce a sound?
some pls help me

Answers

Answer:

D

Explanation:

sound waves can not be carried in space

Answer:D

Because space us silent

Is Palladium an elementary substance or a compound?

Answers

Answer:

Elementary substance, since it is in the periodic table of elements.

Hope that helps!

-SCSB

Explanation:

Name three uses for mercury.

Answers

USES OF MERCURY

used in thermometer as it is liquid at room temperature.It is used in batteries , florescent lightit is also used in dental filling
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