Jason combines the two intermediate steps shown. 2 equations. First: upper N subscript 2 (g) plus upper O subscript 2 (g) right arrow 2 upper N upper O (g). Second: 2 upper N upper O (g) plus upper O subscript 2 (g) right arrow 2 upper N upper O subscript 2 (g). Which best describes what Jason should do with the oxygen molecules?

Answers

Answer 1

Answer:

The molecules of oxygen should be placed as reactants in the equation.

Explanation:

1:      N₂ + O₂ → 2NO

2:     2NO + O₂ → 2NO₂

complete reaction:

N₂ + 2O₂ → 2NO₂

In both intermediate equations' oxygen is used as reactant because the end product is the product of the combination of nitrogen and oxygen. So in the  complete or overall reaction, oxygen should also be placed as reactant.

We can not place oxygen at the side of products neither we can cancel it because, products can only be obtained at the end of the reaction but according to the equations' oxygen is not the end product of the reaction. But the addition into the reaction (Eq. 2) to make the new product.

Also, we can not cancel it because to cancel out molecules of oxygen should be present at the both sides with same amount in the stoichiometric equation.

Hence, in a balanced chemical equation, oxygen should be written as a reactant by using the correct number of moles.


Related Questions

Which one is it ?! (Hurry)

Answers

second one!!!!!!!!!!!!!!

When does the electron shown release the greatest amount of energy as it moves from one level to another

Answers

Answer:

s1 to GS as the amount of energy required to remove the electron is greatest when it is closest to the nucleus.

Explanation:

Fun facts:

When the electron changes levels, it decreases energy and the atom emits photons. The photon is emitted with the electron moving from a higher energy level to a lower energy level. The energy of the photon is the exact energy that is lost by the electron moving to its lower energy level.

Answer:

The answer is: S.1 to G.S

Hope this helpss :) <3

Explanation:

SOMONE HELP DUE IN 5 MINUTES

Answers

Answer:

Silicon

Explanation:

Nucleus

14 protons

Group 14

Number 14

+4, +2, or -4

Answer:

Explanation:

Name of the part of this atom labeled z is nucleus.

number of protons is 14 .

the given element is silicion and it lies in group 14.

the no of period that contains this element is  3.

charge formed on the ion formed from this atom is positive charge because it gives 4 electron to other element .

If the element gains the electron then it has negative charge where as when it loses it will have positive charge.

If 3.02 g of CuNO3 is dissolved in water to make a 0.560 M solution, what is the volume of the solution in milliliters?

Answers

Answer: The volume of the solution is 28.75 mL

Explanation:

Molarity is defined as the amount of solute expressed in the number of moles present per liter of solution. The units of molarity are mol/L. The formula used to calculate molarity:

[tex]\text{Molarity of solution}=\frac{\text{Given mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (mL)}}[/tex] .....(1)

Given values:

Molarity of copper nitrate = 0.560 M

Given mass of copper nitrate = 3.02 g

Molar mass of copper nitrate = 187.56 g/mol

Putting values in equation 1, we get:

[tex]0.560=\frac{3.02\times 1000}{187.56\times \text{Volume of solution}}\\\\\text{Volume of solution}=\frac{3.02\times 1000}{187.56\times 0.560}=28.75mL[/tex]

Hence, the volume of the solution is 28.75 mL

A TV has a standby current of 0.05 amperes. The voltage going through the TV is 120 volts. Determine the power consumption while the TV is in standby.

Answers

Answer:

6 Watts

Explanation:

From the question given above, the following data were obtained:

Current (I) = 0.05 A

Voltage (V) = 120 V

Power (P) =?

Electrical power is defined by the following equation

The power consumption while the TV is in standby can be obtained as follow:

Power (P) = Current (I) × Voltage (V)

P = IV

With the above formula, we can obtain the power consumption while the TV is in standby. This can be obtained as follow:

Current (I) = 0.05 A

Voltage (V) = 120 V

Power (P) =?

P = IV

P = 0.05 × 120

P = 6 Watts

Therefore, the power consumption while the TV is in standby is 6 Watts.

in which of the following type of colloid, the physical state of dispersed phase and dispersion medium is same?

Gel

Foam

Emulsion

Aerosol

Answers

Answer:

Emulsion

Explanation:

According to Oxford dictionary, a colloid is, ''a homogeneous non-crystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle, and cannot be separated out by ordinary filtering or centrifuging like those in a suspension.''

An emulsion is a dispersion of a liquid in a liquid. This means that the the physical state of dispersed phase and dispersion medium is same.

Examples of emulsions include; Vinaigrette, homogenized milk and hair cream.

How does dissolving a salt molecule in water make its atoms ionize?

Answers

Answer:

It's take 1 and a half hours

Explanation:

Ugbdunvisrtg

CHEM FINAL PLEASE HELP
This is?
alkene
aromatic hydrocarbon
alkyne
alkane

Answers

Answer:

It is alkyne

Explanation:

Identify the atom oxidized, the atom reduced, the oxidizing agent, and the reducing agent.
SO2+ 2H2S----> 3S + 2H2O​

Answers

Explanation:

here is the answer bae. Feel free to ask for more chem help

0.30 kg cart moves on an air track at 1.2 m/s.It collides with and sticks to another cart of mass 500 g,which was stationary before collision. What is the velocity of the combined carts after collision?

Answers

See the photo - hope it helps;)

give few property of PET​

Answers

Answer:

Transparency to visible light and microwaves. Very good resistance to ageing, wear and heat. Lightweight, impact and shatter resistant. Good gas and moisture barrier properties

Explanation:

Answer:

Your Welcome! :)

Explanation:

What are the Characteristics of Polyethylene terephthalate (PETE or PET)?

Chemical Resistance: PET does not react with water or food which is one of the reasons it is used for consumable packaging.

Strength to Weight Ratio: PET is very strong for its lightweight.

Shatterproof: PET will not break or fracture.

Which are the fundamental particles whose masses are mainly responsible for the mass of an atom?Give Reason

No links​

Answers

Answer:

Proton & neutron

Explanation:

electrons only affect the charge. neutrons affect the mass and stability of an atom.

The student is now told that the four solids, in no particular order, are aluminum chloride (AlCl3AlCl3), sugar (C6H12O6C6H12O6), butanoic acid (C3H7COOHC3H7COOH), and potassium bromide (KBrKBr), and potassium bromide (KBr). Assuming that conductivity is correlated to the number of ions in solution, rank the four substances based on how well a 0.20 M solution in water will conduct electricity. Rank from most conductive to least conductive. To rank items as equivalent, overlap them.

Answers

Answer:

aluminum chloride> potassium bromide> butanoic acid> sugar

Explanation:

Conductivity has to do with the ability of a solid to dissolve in solution leading to the formation of mobile ions which are the charge carriers in solution.

Strong electrolytes produce more ions in solution hence they have a higher conductivity.

Aluminum chloride produces four particles in solution hence it has the highest conductivity followed by potassium bromide which produces two particles in solution. Butanoic acid is a weak electrolyte which dissociates only to a small extent while sugar is a nonelectrolyte, it does not dissociate at all in solution.

Which statement best describes wave-particle duality as it applies to electrons?

A. The electrons present in radio waves and microwaves act more like particles than waves.

B. Electrons are particles that emit waves of radiation when they move from higher energy levels to lower energy levels.

с.Electron clouds can be understood as clumps of particles held near one another by wave forces.

D.Electrons can be modeled as waves in some situations and as particles in other situations.

Answers

Answer:

D es pero que te ayude amigo

write a word equation for the reaction between dilute hydrochloric acid and magnesium

Answers

Magnesium reacts with hydrochloric acid according to the equation: Mg(s) + 2 HCl(aq) --> MgCl 2(aq) + H 2(g) This demonstration can be used to illustrate the characteristic reaction of metals with acid, a single replacement reaction, or to demonstrate the generation of hydrogen gas.

Tea contains which acid?

A
Tannic acid

B
Tartaric acid

C
Carbonic acid

D
Citric acid

Answers

The answer is A tannic acid

definition of boiling point​

Answers

Answer:

boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapour of the liquid; under this condition, addition of heat results in the transformation of the liquid into its vapour without raising the temperature.

Explanation:

Radhe Radhe

Explanation:

The point at which a matter melts is called boiling or melting point.

An atom has an atomic number of 19 and mass number of 39 how many electrons and protons does it have? ​

Answers

Answer:

19 protons, 20 neutrons and 18 electrons.

Explanation:

The atomic number gives the number of protons 19

p = 19

The atomic mass is the sum of the protons and neutrons

p + n = 39   p = 19

put p into the equation and solve for n the neutrons.

19 + n = 39

Subtract 19 from both sides

19 − 19 + n = 39 − 19

n = 20

The number of electrons equals the number of protons in a neutral atom. The positive charge equals the negative charge. The negative charge is the number of electrons. This ion has a charge of +1. So solve for the negative charge.

− 19 + 1 = − 18

The negative charge is -18 so

e = 18

Solve for a, b, c, AND d
d
C
84°
930
970
b

Answers

A is 87
B is 83
C is 96
D is 94
You can simply subtract the given degree from 180
And for D you should subtract the sum of given degree from 360 and do as above

Roundup, a herbicide manufactured by Monsanto, has the formula C3H8NO5P. How many moles of molecules are there in a 647.3-g sample of Roundup?

I got the answer 2.305 x 10^24 but for some reason it’s not working. Is it the wrong one?

Answers

Answer:

3.830177515 moles

Explanation:

You have :

647.3 g of RoundupMolar mass of Round up which is equal to 169 g.moland the formula: n=m/M

Therefore: n=647.3/169

=3.830177515 moles

How do I solve for a and b using the Van Der Waals equation using only the given values: P= 1 atm, V= 1.310 L, and T= 160 K

Answers

Answer:

[tex]a = \frac{24.79078- 1.7161b}{1.310 - b}[/tex]

[tex]b = 1.310 - \frac{22.5427}{a - 1.7161}[/tex]

Explanation:

Given

[tex]P = 1\ atm[/tex]

[tex]V = 1.310\ L[/tex]

[tex]T =160\ K[/tex]

Required

Solve for a and b

Van Der Waals equation is:

[tex]P = \frac{RT}{V - b} - \frac{a}{V^2}[/tex]

Substitute values for P, V and T, we have:

[tex]1 = \frac{R*160}{1.310 - b} - \frac{a}{1.310^2}[/tex]

R is a constant and the value is:

[tex]R = 0.0821[/tex]

So, the equation becomes:

[tex]1 = \frac{0.0821*160}{1.310 - b} - \frac{a}{1.310^2}[/tex]

Simplify the expression

[tex]1 = \frac{13.136}{1.310 - b} - \frac{a}{1.7161}[/tex] ----- (a)

Solving for (a):

[tex]1 + \frac{13.136}{1.310 - b} = \frac{a}{1.7161}[/tex]

Multiply both sides by 1.7161

[tex]a = [1 + \frac{13.136}{1.310 - b}] * 1.7161[/tex]

Take LCM

[tex]a = [\frac{1.310 - b+13.136}{1.310 - b}] * 1.7161[/tex]

Evaluate like terms

[tex]a = [\frac{14.446- b}{1.310 - b}] * 1.7161[/tex]

Open bracket

[tex]a = [\frac{24.79078- 1.7161b}{1.310 - b}[/tex]

Solving for (b), we have:

[tex]1 + \frac{13.136}{1.310 - b} = \frac{a}{1.7161}[/tex]

Subtract 1 from both sides

[tex]\frac{13.136}{1.310 - b} = \frac{a}{1.7161}-1[/tex]

Take LCM

[tex]\frac{13.136}{1.310 - b} = \frac{a-1.7161}{1.7161}[/tex]

Inverse both sides

[tex]\frac{1.310 - b}{13.136} = \frac{1.7161}{a - 1.7161}[/tex]

Multiply both sides by 13.136

[tex]1.310 - b = 13.136 * \frac{1.7161}{a - 1.7161}[/tex]

[tex]1.310 - b = \frac{22.5427}{a - 1.7161}[/tex]

Collect like terms

[tex]b = 1.310 - \frac{22.5427}{a - 1.7161}[/tex]

Which statement best summarizes what happens during cellular respiration?
A. Energy in food is released and stored in ATP molecules.
B. Energy from sunlight moves through a food web.
C. Chemical energy is converted to kinetic energy.
D. Solar energy is converted and stored in chemical bonds.

Answers

Answer:

A

Explanation:

B is for photosynthesis, C and D are just energy conversions, A is all about producing energy and stored as Adenosine Triphosphate(ATP) which is respiration

what is the formula for number of moles?​

Answers

Answer:

number of moles=volume/molar volume or mass/molar mass

Mark Brainliest please

Answer : The formula for the number of moles formula is expressed as

Number of moles = Mass of substance / Mass of one mole


A mole is defined as the mass of the substance which consists of the equal quantity of basic units. Example atoms in 12 grams are the same as 12C. The basic units can be molecules, atoms or formula units based on the substance.
A mole fraction indicates the number of chemical elements. One mole of any substance is equal to the value of 6.023 x 1023 (Avagadro number). It can be used to measure the products obtained from the chemical reaction. The unit is denoted by mol.


13. If a reaction is endothermic,
a) The temperature increases
b) It takes more energy to break the bonds of the reactants than is released when the bonds in
the products are formed
c) More energy is released when the bonds in the products are formed than is used to break
the bonds in the reactants
d) The same amount of energy is used to break the bonds of the reactants as is
released when the bonds in the products are formed

Answers

Answer:

Endothermic reactions are reactions that require external energy, usually in the form of heat, for the reaction to proceed. In order to melt the ice cube, heat is required, so the process is endothermic. Endothermic reactionIn an endothermic reaction, the products are higher in energy than the reactants.

Explanation:

Some one help me with these real quick I need help with questions 4 & 6.!

Answers

Answer:

4 is chemical and 6 is a

Explanation:

hope this helps

When heat is applied to 80 grams of CaCO3, it yields 39 grams of B. Determine the percentage of the yield.

Answers

The question is incomplete, the complete question is:

When heat is applied to 80 grams of CaCO3, it yields 39 grams of CaO Determine the percentage of the yield.

CaCO3→CaO + CO2

Answer: The % yield of the product is 87.05 %

Explanation:

The number of moles is defined as the ratio of the mass of a substance to its molar mass.

The equation used is:

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex] ......(1)

We are given:

Given mass of [tex]CaCO_3[/tex] = 80 g

Molar mass of [tex]CaCO_3[/tex] = 100 g/mol

Putting values in equation 1, we get:

[tex]\text{Moles of }CaCO_3=\frac{80g}{100g/mol}=0.8mol[/tex]

For the given chemical reaction:

[tex]CaCO_3\rightarrow CaO+CO_2[/tex]

By stoichiometry of the reaction:

If 1 mole of [tex]CaCO_3[/tex] produces 1 mole of CaO

So, 0.8 moles of [tex]CaCO_3[/tex] will produce = [tex]\frac{1}{1}\times 0.8=0.8mol[/tex] of CaO

We know, molar mass of [tex]CaO[/tex] = 56 g/mol

Putting values in above equation, we get:

[tex]\text{Mass of CaO}=(0.8mol\times 56g/mol)=44.8g[/tex]

The percent yield of a reaction is calculated by using an equation:

[tex]\% \text{yield}=\frac{\text{Actual value}}{\text{Theoretical value}}\times 100[/tex] ......(2)

Given values:

Actual value of the product = 39 g

Theoretical value of the product = 44.8 g

Plugging values in equation 2:

[tex]\% \text{yield}=\frac{39 g}{44.8g}\times 100\\\\\% \text{yield}=87.05\%[/tex]

Hence, the % yield of the product is 87.05 %

An atom or ion has 42 neutrons
, 36 protons, and 36 electrons. Identify the element symbol, and determine the mass number and charge for this atom or ion

Answers

Answer:

Krypton

Explaination:

Element-Krypton

Symbol-Kr

Mass-83.8amu

charge-none

Read the following reactions. Reaction 1: CaO(s) + CO2(g) → CaCO3(s) Reaction 2: H2O(g) → H2O(l) Which reaction leads to an increase in entropy? Only Reaction 1 Only Reaction 2 Both Reaction 1 and 2 Neither Reaction 1 nor 2

Answers

Answer: In the given reactions neither reaction 1 nor 2 reaction leads to an increase in entropy.

Explanation:

The degree of randomness present in the molecules of a substance is called entropy.

In gases, molecules are held by weak forces due to which they move apart from each other. Hence, they have high entropy.

In liquids, molecules are a little close to each other so they have less entropy than gases.

In solids, molecules are tightly held together so they have least or negligible entropy.

As reaction 1 is [tex]CaO(s) + CO_{2}(g) \rightarrow CaCO_{3}(s)[/tex] and it shows that product is in solid state. Therefore, entropy is decreasing.

As reaction 2 is [tex]H_{2}O(g) \rightarrow H_{2}O(l)[/tex] and it shows that gas is converted into liquid. Therefore, entropy is also decreasing here.

Thus, we can conclude that in the given reactions neither reaction 1 nor 2 reaction leads to an increase in entropy.

Answer: Neither Reaction 1 nor 2

Explanation:

6. La electronegatividad es una propiedad periódica que incide en un enlace químico verdadero o falso? Si es falso, porque?

Answers

Answer:

Verdadero.

Explanation:

¡Hola!

En este caso, dado que las propiedades periódicas nos hablan de un comportamiento específico sobre los elementos en la tabla periódica, resulta primeramente necesario recordar que la electornegatividad nos dice que tan fuerte es un elemento para atraer electrones de valencia de otros elementos.

De este modo, inferimos que es verdadero, ya que de hecho la electronegatividad nos define el tipo de enlace, basado en la diferencia de electronegatividades de los elementos enlazados, de acuerdo con la imagen adjunta.

Saludos!

If a tornado causes considerable damage with wind speeds of 111 to 135 miles per hour, it’s classified as _______ on the Enhanced Fujita Scale.

The type of major storm called a/an _______ is driven primarily by the Coriolis effect.

The weather pattern that stays over one area for an extended period of time is known as _______.

What are the two types of downbursts, and how are they different?

How is a funnel cloud different from a tornado?

Why does a hurricane begin to dissipate after it makes landfall?

Explain how the heat index and the wind chill index are similar and different.

What type of severe weather prevents sweat from evaporating to cool down bodies?

Answers

Answer:

EF-2

hurricane/tropical cyclone

recurrent weather

The two types of downbursts are macrobursts and microbursts. A macroburst affects an area that's greater than 2.5 miles across. A microburst affects an area that's less than 2.5 miles across.

A funnel cloud forms as a spinning column of air that descends from a thundercloud. However, a funnel cloud doesn't become a tornado until it actually touches the ground. Once it touches the ground, where it begins to pick up dust and debris, it becomes a tornado.

Tropical cyclones, such as hurricanes, are fueled by warm ocean waters. Once they make landfall, they lose this fuel source and begin to lose strength.

The heat index and the wind chill index are similar because both consider other factors that affect how air temperature feels. The heat index considers relative humidity in relation to air temperature. Higher humidity makes air temperatures feel hotter. The wind chill index considers wind speed in relation to air temperature. Higher wind speeds make air temperatures feel colder.

Heat waves—Heat waves can be very dangerous when accompanied by high humidity. The human body depends on evaporation of sweat to cool itself down on hot days. When humidity levels are high, the rate of evaporation slows down. Consequently, it becomes harder for the body to cool itself and much easier for the body to overheat.

Explanation:

took the testoronee

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Cunto mide el lado de un terreno cuadrado, si su rea 144 m2? on which data van mahotsav is celebrated? And why? The process of finding the age of fossil is called which answer carbondating,urinumdating ,both of them,none Which of the following is NOT a feature of unclustered index A. There can be several unclustered indexes on a data file B. unclustered indexes are cheap to maintain and update C. un Clustered index has the same ordering of data records as that of the data entries in the database D. unClustered index has a different ordering of data records as that of the data entries in the database 13. During what period in ancient Egypt were the pyramidsbuilt?A. The First IntermediateB. The New KingdomC. The Old KingdomD. The Middle Kingdom Which of the following best describes the role of the Virginia Company in the Jamestown settlement? How is pH measured?A. It is based on a scale of o to 14.B. It is a percentage between 1 and 100.C. It is a level between 1 and 4.D. 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