Using C2H4 + 3 O2 -> 2 CO2 + 2 H2O. If 20 moles of fuel are combusted in the above equation, how many moles of CO2 are produced?

Answers

Answer 1
According to the balanced equation:

1 mole of C2H4 produces 2 moles of CO2

Therefore, to determine the number of moles of CO2 produced when 20 moles of C2H4 are combusted:

20 moles C2H4 x (2 moles CO2/1 mole C2H4) = 40 moles CO2

Therefore, 40 moles of CO2 are produced.

Related Questions

1. What volume of hydrogen gas at STP is produced from the
reaction of 50.0g of Mg and 75.0 grams of HCl? How much
of the excess reagent is left over (in grams)?

Answers

Answer:

1.03 mol of dihydrogen gas will evolve, with a volume slightly over 22.4 dm3 at ST P. Explanation: Moles of magnesium: 50.0 ⋅ g 24.31 ⋅ g ⋅ mol−1 = 2.06 mol Moles of hydrogen chloride gas: 75.0 ⋅ g 36.2⋅ g ⋅ mol−1 = 2.07 mol

Explanation:

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Which of the following molecules is drawn in a conformation that has a proton and a leaving group anti-periplanar? H₂C, Br Ph. H CH3 Br H H₂C Br H₂C Ph H₂C CH3 H Ph H₂C, Br H Ph Save for Later CH3 CH3 CH3 CH3 CH3 Sul

Answers

The molecule that is drawn in a conformation that has a proton and a leaving group anti-periplanar is H₂C, Br.

The A, B, C, and D bond angles of a molecule are referred to as anti-periplanar, or antiperiplanar, in organic chemistry. The dihedral angles of the A–B and C–D bonds in this conformer are larger than +150° or less than 150°. In textbooks, the term "anti-periplanar" is frequently used to refer to a strictly anti-coplanar structure with a 180° AB CD dihedral angle. The anti-periplanar functional groups will be 180° apart from one another and in a staggered configuration in a Newman projection of the molecule.  

Conformation is an essential factor in predicting reactivity in organic molecules. The anti-periplanar conformation of a molecule is one that occurs when two atoms in a molecule are in the same plane and are separated by 180 degrees. In this case, the proton and leaving group are placed in a perpendicular plane to the atoms directly in between them. This is the most stable conformer of the molecule. A significant factor in predicting reactivity in organic molecules is conformation. In this case, the molecule H₂C, Br is drawn in a conformation that has a proton and a leaving group anti-periplanar.

Therefore, the correct option is H₂C, Br.

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Blood is an example of a basic buffer system. Which of the following could be used to mimic the buffering abilities of blood?
Select the correct answer below:
HF and NaF
CH3NH2 and CH3NH3Cl
KOH and H2O
none of the above

Answers

Using CH3NH2 and CH3NH3Cl, one may simulate the blood's buffering properties. A weak acid and its conjugate base, or a weak base and its conjugate acid, make up a buffer system.

Which of the following best describes the blood's buffer system?

Carbonic acid and sodium bicarbonate. Hint: Human blood has a buffer of bicarbonate anion (HCO3) and carbonic acid (H2CO3) to keep the blood's pH between 7.35 and 7.45. Blood pH values higher or lower than 7.8 or 6.8 can be fatal.

Is blood an illustration of a fundamental buffer system?

Bicarbonate anion and hydronium are in equilibrium with carbonic acid in this buffer. A weak acid and its conjugate base, or a weak base and its conjugate acid, make up a buffer.

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Answer:

CH3NH2 and CH3NH3Cl

Explanation:

Methylamine (CH3NH2) is an organic base. In order to produce a basic buffer solution similar to blood, we can combine this base with a soluble salt of its conjugate acid, such as CH3NH3Cl. The solution of KOH and H2O would not be a good buffer because KOH is a strong base. The solution of HF and NaF is a buffer, but the pKa of HF is about 3.2, which is far from the pH of blood, 7.4.

We know that Paz is trying to produce ammonia (NH3) from thin air. From looking at the experimental set-up, what are the reactants? a) NO2 and H20 b) N2 and H2 c) NO2 and H2 d) N2 and H20

Answers

To produce ammonia (NH₃) from thin air, the reactants required are N₂ and H₂. So the correct option is b).

Give a brief account on production of ammonia.

Ammonia is one of the most abundantly produced inorganic chemicals. In 2016, there are a number of large ammonia plants around the world that produced a total of 144 million tons of nitrogen (equivalent to 175 million tons of ammonia). That number will rise to 235 million tonnes of ammonia in 2021. China produced 31.9% of its global production, followed by Russia at 8.7%, India at 7.5% and the United States at 7.1%. More than 80% of the ammonia produced is used as fertilizer for agricultural crops.

Today, most ammonia is produced on a large scale using the Haber process, with capacities of up to 3,300 tons per day. Gases N₂ and H₂ are reacted at a pressure of 200 bar. A typical modern ammonia production plant first converts natural gas, LPG, or petroleum gas into gaseous hydrogen. The process of producing hydrogen from hydrocarbons is known as steam reforming. Hydrogen then combines with nitrogen to produce ammonia by the Haber-Bosch process.

One way to produce green ammonia is to use hydrogen from the electrolysis of water and nitrogen separated from air. These are fed into the Haber Process (aka Haber-Bosch), all of which produce sustainable power.

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When a mineral breaks along a weekly bonded plane it is called

Answers

Answer: Cleavage


Explanation:

When a mineral breaks along a weekly bonded plane it is called cleavage

Consider the reaction between aqueous solutions of potassium hydroxide and chromium (III) chloride. Based on your balanced equation for this reaction, answer the following questions: 1) What are the spectator ions in this reaction? and 2) What is the formula for the precipitate formed in this reaction? 3) What is the sum of all the coefficients in the net ionic equation for this reaction? Net lonic Equati....pdf Hydrocarbon C....pdf

Answers

The net ionic equation for the given reaction is: 1 Cr3+(aq) + 3OH-(aq) → Cr(OH)3(s)

2. The formula for the precipitate formed in this reaction is Cr(OH)3.

3. The sum of all coefficients in the net ionic equation is 4.

Consider the reaction between aqueous solutions of potassium hydroxide and chromium (III) chloride. The balanced chemical equation for the given reaction is:KOH(aq) + CrCl3(aq) → KCl(aq) + Cr(OH)3(s)1) Spectator ionsThe ions that do not take part in the reaction are known as spectator ions.

These ions are present on both sides of the equation without undergoing any chemical changes.The ionic equation for the given reaction is:3K+(aq) + 3OH-(aq) + Cr3+(aq) + 3Cl-(aq) → 3K+(aq) + 3Cl-(aq) + Cr(OH)3(s)The spectator ions are K+ and Cl-.2)

PrecipitateThe precipitate is formed when the two reactants are combined together, and it can be identified from the ionic equation. In this reaction, the precipitate is formed when KOH is added to the aqueous solution of chromium(III) chloride.The formula for the precipitate formed in this reaction is Cr(OH)3.3) Sum of all coefficientsThe net ionic equation represents the actual chemical change occurring in the reaction.

The spectator ions are removed, and only the ions that participate in the reaction are shown. The net ionic equation for the given reaction is:Cr3+(aq) + 3OH-(aq) → Cr(OH)3(s)The sum of all coefficients in the net ionic equation is 4.

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match each substance correctly to the principal type(s) of intermolecular force(s) present, other than covalent bonding.

Answers

Substance       intermolecular force

CH2OH   --->   Hydrogen bonding

CH3F       -->    Dipole-dipole forces

C3H8       -->    Dispersion forces

CaCL2      -->   Ionic bonding

The intermolecular force present in CH2OH is hydrogen bonding. The intermolecular force present in CH3F is  Dipole-dipole forces. Ionic bonding is defined as a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions or between two atoms with sharply different electronegativities. It is the primary interaction occurring in ionic compounds. Hydrogen bonding results from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom such as a N, O, or F atom and another very electronegative atom.

Dipole-dipole forces are defined as a attractive forces between the positive end of one polar molecule and the negative end of another polar molecule.  Dispersion force is defined as a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles.

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The complete question is,

Match each substance correctly to the principal type(s) of intermolecular force(s) present, other than covalent bonding.

CH2OH          Ionic bonding

CH3F              Hydrogen bonding

C3H8              Dispersion forces

CaCL2            Dipole-dipole forces

What kind of scientist would study the effects of acid rain on marble statues? A. A physicist B. A biologist C. A chemist D. An economist​

Answers

Scientists would research the impacts of marble monuments and acid rain. A chemist. Hoping this is useful.

The correct answer is :C.

What are the substances that change the earth's surface?

Surface sediments are transported and large stones are broken up through wind, water, and ice. Years are often needed for weathering, erosion, and deposition to cause noticeable changes. Nonetheless, certain things change the Planet's surface far more quickly than others. Extreme events, earthquakes, and volcanic eruptions are a few of them.

What adjustments to the Planet's surface may rain makes?

Weathering and erosion caused by water movement change the properties of the terrain. Regional wind patterns and climate are defined by several interactions, including the role of the ocean. The unique physical and chemical properties of water have a profound effect on the planet's dynamics.

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Identify each of the following orbitals, and determine the n and quantum numbers. Explain your answers.

Answers

(a) one radial node the Number of radial nodes = n - l - 1

And number of angular nodes = l

n = 3 and l = 1

Orbital is 3p.

(b) It has zero angular node hence s-orbital and there is 1 radial node . 1 = n - 0 - 1 ; n = 2 and l = 0

The orbital is 2s.

(c) the shape of the orbital is that of dz². There is two angular nodes and there is no radial node.

n = 3 and l = 2

Hence the orbital is 3dz².

What is radial node?

In atomic physics, a radial node is a point in space where the probability density of finding an electron in an atom is zero. It is a type of nodal plane that occurs in atomic orbitals, which are regions of space where electrons are most likely to be found.

Radial nodes occur in the radial distribution function of an atomic orbital, which describes the probability density of finding an electron at a given distance from the nucleus. The number of radial nodes in an atomic orbital is equal to n - l - 1, where n is the principal quantum number and l is the azimuthal quantum number.

Radial nodes represent regions of space where the radial wave function of the electron changes sign.

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use the trendline equation in fig6.2 to determine the kelvin temperature at which the pressure equals .72 atm

Answers

When the pressure is 0.72 atm, the temperature in Kelvin is 156 K.

To determine the Kelvin temperature when the pressure is 0.72 atm, you will need to use the trendline equation given in Fig 6.2. First, find the equation of the trendline by using the graph's two points, (300 K, 1 atm) and (500 K, 2 atm).

The equation for the trendline is:

y = mx + b

Where y is pressure, x is the temperature in Kelvin, m is the slope, and b is the y-intercept. We can find the slope of the trendline by using the two points provided in the graph:

Slope (m) = (y2 - y1) / (x2 - x1)

Slope = (2 atm - 1 atm) / (500 K - 300 K)

Slope = 0.005 atm/K

The equation for the trendline can now be written: y = 0.005x + b. To find the y-intercept, b, we can use one of the two points: Solving for b:

1 atm = 0.005(300 K) + bb = 1.5 atm

Now we can use the equation for the trendline to find the temperature (x) at which the pressure (y) equals 0.72 atm:

0.72 atm = 0.005x + 1.5 atm

0.72 atm - 1.5 atm = 0.005x

-0.78 atm = 0.005xx

= -0.78 atm / 0.005x

= 156K

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or the substituted cyclohexane compound shown, identify the atoms that are cis to the hydroxyl (oh) substituent.

Answers

The atoms that are cis to the hydroxyl (OH) substituent are the two carbon atoms in the ring that are directly adjacent to the OH group.


Cis-trans isomerism is a word used in chemistry that refers to the spatial arrangement of atoms within molecules. It is also known as geometric isomerism or configurational isomerism. The Latin prefixes "cis" and "trans" mean, respectively, "this side of" and "the other side of." Trans conveys that the functional groups (substituents) are on the opposite (transverse) sides of some plane, whereas cis implies that they are on the same side of some plane in the context of chemistry.

Cis-trans isomers are examples of stereoisomers, which are pairs of molecules with the same formula but distinct functional groups oriented in three dimensions. The absolute stereochemical explanation of E-Z isomerism does not necessarily equate to cis-trans notation.

The hydroxyl group (-OH) is attached to carbon number 1. The cis atoms are those that are attached to the same side of the ring. There are two atoms that are cis to the hydroxyl (OH) substituent, and these are atoms number 2 and 3. Therefore, the atoms that are cis to the hydroxyl (OH) substituent are atoms number 2 and 3 .

Thus, the cis to the hydroxyl (OH)  is (B) 2 and 3.

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