Consider the following general reaction and data:2 A + 2 B + C → D + 3E(a) What is the reaction order with respect to each reactant?

The order of decreasing boiling point for these compounds is KCl > CH2O > CO2.

This is because KCl has ionic bonds, which are stronger than the covalent bonds found in CH2O and CO2. Stronger bonds require more energy to break, thus requiring a higher boiling point. Additionally, CH2O has dipole-dipole interactions which add to its boiling point, while CO2 has only weak London dispersion forces.

To rank the following compounds in order of decreasing boiling point: KCl, CO2, and CH2O, you need to consider the types of intermolecular forces present in each compound.

1. Identify the intermolecular forces present in each compound:
  - KCl: Ionic bonding (between metal and non-metal)
  - CO2: London dispersion forces (non-polar molecule)
  - CH2O (formaldehyde): Dipole-dipole forces and London dispersion forces (polar molecule)

2. Compare the strengths of these intermolecular forces:
  - Ionic bonding > Dipole-dipole forces > London dispersion forces

3. Rank the compounds based on the strengths of their intermolecular forces:
  - KCl (Ionic bonding) > CH2O (Dipole-dipole forces) > CO2 (London dispersion forces)

So, the order of decreasing boiling point is: KCl > CH2O > CO2.

Learn more about boiling point at: https://brainly.com/question/12147234

#SPJ11

Faster molecules have fewer collisions than slower molecules is True about molecular speed.

Molecular speed refers to the average distance gases or molecules travelled atca particular time rate.

It is valid in ideal gas, where the molecules do not interact with others.

Average molecular speed = Square root (3 (ideal gas constant) * (Temperature)/m)

Therefore, Faster molecules have fewer collisions than slower molecules is True about molecular speed.

Learn more about molecular speed from the link below.

https://brainly.com/question/14327643

The flaw in Regina’s plan is that the time frame is unrealistic (option B).

Goal setting involves the development of an action plan designed in order to motivate and guide a person or group toward a goal, which is a result that one is attempting to achieve.

Effective goal setting lets you measure progress, overcome procrastination and visualize your dreams. However, setting goals is said to be effective when it is done in an adequate time frame.

According to this question, Regina identifies her goal and hastily writes it down as follows: I will make an A on my English literature term paper that is due next week.

This goal, although is great, is unlikely to be met because of the time frame. One cannot get an excellent result in something that lacks adequate preparation, which includes adequate time.

Learn more about goal setting at: https://brainly.com/question/1705973

#SPJ1

The central structural component of an amino acid is a carbon atom located in approximately in the middle of this molecule (Option 4).

An amino acid is a molecule that forms the subunits of proteins. These molecules are composed of a central carbon that links to the amino group, carboxyl group, and also to a side chain, commonly known as the R group (it depends on the properties of specific amino acids).

Therefore, we can conclude that amino acids have a central alpha-carbon atom that links to different groups in the molecule.

Learn more about amino acids here:

https://brainly.com/question/1302816

#SPJ1

Halogenation, Nitration, Sulfonation, Friedel-Crafts acylation, Friedel-Crafts alkylation, Oxidation of methyl group, Reduction of nitro group are  distinct chemical reactions involving organic compounds.

Using Halogenation, Nitration, Sulfonation, Friedel-Crafts acylation and alkylation, Oxidation of methyl group and Reduction of nitro group, benzene, toluene, or phenol can be synthesized in the following ways:

1. Halogenation: Benzene, toluene, or phenol can be halogenated by reacting them with a halogen (e.g., chlorine or bromine) in the presence of a Lewis acid catalyst.

For example, benzene can be chlorinated to form chlorobenzene using FeCl3 as a catalyst.

2. Nitration: Nitration of benzene, toluene, or phenol involves the substitution of a nitro group (-NO2) onto the aromatic ring.

This reaction is typically carried out by treating the compound with a mixture of concentrated nitric acid and sulfuric acid. For instance, benzene can be nitrated to produce nitrobenzene.

3. Sulfonation: Sulfonation introduces a sulfonic acid group (-SO3H) onto the aromatic ring. It can be achieved by reacting benzene, toluene, or phenol with concentrated sulfuric acid.

For example, benzene can be sulfonated to form benzenesulfonic acid.

4. Friedel-Crafts acylation: Friedel-Crafts acylation involves the reaction of benzene or toluene with an acyl chloride in the presence of a Lewis acid catalyst, such as aluminum chloride (AlCl3).

This reaction results in the formation of an aromatic ketone. For instance, benzene can be acylated to produce acetophenone.

5. Friedel-Crafts alkylation: Friedel-Crafts alkylation allows the introduction of an alkyl group onto the aromatic ring.

It can be achieved by reacting benzene or toluene with an alkyl halide in the presence of a Lewis acid catalyst. For example, benzene can be alkylated to form ethylbenzene.

6. Oxidation of methyl group: Toluene contains a methyl group attached to the aromatic ring, which can be oxidized to a carboxylic acid.

This can be accomplished by treating toluene with a strong oxidizing agent, such as potassium permanganate (KMnO4) or chromic acid (H2CrO4).

The oxidation of the methyl group in toluene results in the formation of benzoic acid.

7. Reduction of nitro group: Nitro groups (-NO2) can be reduced to amino groups (-NH2) by various reducing agents, such as hydrogen gas in the presence of a metal catalyst (e.g., palladium, Pt).

For example, nitrobenzene can be reduced to aniline (phenylamine) by catalytic hydrogenation.

To know more about catalytic hydrogenation, visit:

https://brainly.com/question/29735606

#SPJ11

Converting the volumes to litres is not necessary. Any volume measurement is acceptable as long as it is utilized consistently on both sides.

The following formula can be used to create a specific volume of a diluted solution from a stock solution. Where: V1 = Volume of stock solution required to make the new solution, C1V1 = C2V2. C1 is the stock solution's concentration. V2 is the new solution's final volume.

However, as was already said, you need to know the volume in litres if you're trying to figure out how many moles of solute are present.

Data retrieved from the query include the following:

C1 = 2.46 M

V1 =?

C2 = 0.758 M

V2 = 275 mL = 275/1000 = 0.275L

We can definitely determine the volume of the initial solution using the dilution formula C1V1 = C2V2.

C1V1 = C2V2

2.46 x V1 = 0.758 x 0.275

Divide both side by 2.46

V1 = (0.758 x 0.275) /2.46

V1 = 0.0847L

Therefore, 0.0847L volume of a 2.46 Magnesium nitrate (Mg(NO3)2)

solution would be needed to make 275 mL of a 0.758 M solution by

dilution

Learn more about dilutions here:

https://brainly.com/question/28997625

#SPJ1

Answer: C (1)

Explanation:

H is only the element hydrogen.

The subsequent removal of electrons will require increasing amounts of energy, as they are more tightly bound to the nucleus.

For elements in the d block, the first electron removed will typically be a valence electron, which is the outermost electron in the d subshell. The number of valence electrons in the d subshell is generally equal to the group number of the element in the periodic table, with some exceptions in the transition metals.

Valence electrons in the d subshell are involved in chemical bonding and determine the properties of the element. When an element in the d block loses a valence electron, it forms a cation with a positive charge equal to the number of electrons lost. The loss of a valence electron can result in changes in the reactivity, chemical properties, and physical properties of the element.

The removal of electrons from the d subshell can occur through various processes, including ionization, oxidation, and reduction reactions. The first electron removed will typically be the least tightly bound electron, as it requires less energy to remove.

For more such questions on amounts

https://brainly.com/question/30738335

#SPJ11

Answer:

1) 1.6 moles of HCl

Explanation:

1) 1.6 moles of HCl

2) 7.0 moles of HCl

3) 2.4 moles of hydrogen

4) 0.96 moles of HCl

Explanation:

The balanced chemical equation is:

According to stoichiometry :

1 mole of  require = 2 moles of  

0.8 moles of  will require=  of  

3.5 moles of  will require=  of  

According to stoichiometry :

2 moles of  produce = 1 mole of  

4.8 moles of  will require=  of  

According to stoichiometry :

1 mole of  are produced by = 2 moles of  

0.48 moles of  are produced by =  of

Answer: True

Explanation: Synthetic materials are not found in nature and can be created in labs using chemicals and compounds.

The concentration of this magnesium chloride solution when the reaction described in part a required 3.92 l of magnesium chloride is 0.451 M

M(AgNO3)=0.18 M

V(AgNO3)=1.92 L

V(MgCl2)=3.83 L

According to the balanced reaction:

We can write as follows;

1*number of mol of AgNO3 =2*number of mol of MgCl2

1*M(AgNO3)*V(AgNO3) =2*M(MgCl2)*V(MgCl2)

1*0.18*1.92 = 2*M(MgCl2)*3.83

M(MgCl2) = 0.0451 M

Learn more about mass conservation law at:

brainly.com/question/28711001

#SPJ4

It is significant to remember that the order of a reaction affects how a reaction's half-life is calculated. The mass of a 750 g sample is left after 62 hours is 23.4375 g . It is commonly expressed in seconds and is represented by the sign "t1/2."

The time it takes for the concentration of a particular reactant to reach 50% of its initial concentration, or the time it takes for the reactant concentration to reach half of its initial value, is known as the half-life of a chemical reaction.

Here the remaining mass is given as:

Amount after = Amount before ×  \(1/2^{t/t_{1/2} }\)

Amount after = (750 grams) × \(1/2 ^{62.0 / 12.4}\)

Amount after = 23.4375 grams

To know more about half-life, visit;

https://brainly.com/question/31821452

#SPJ1

Answer:

its 210

Explanation:

Just add all atomic mass used in the formula together: 2*(14+16*3)+88= 2*62+88=124+88=210

Hope this was helpful

The relative formula mass of strontium nitrate Sr(NO₃)₂ is 210

The relative atomic masses of N, O and Sr are 14,16 and 88 respectively.

In calculating the relative atomic mass of an element with isotopes, the relative mass and proportion of each is taken into account. Adding the atomic masses together gives the relative formula mass of a compound

So, relative atomic mass of Sr(NO₃)₂ is calculated as

88+ 2(14+16×3) = 210

The atomic mass constant (symbol: mu) is defined as being 1/12 th of the mass of a carbon-12 atom. Since both quantities in the ratio are masses, the resulting value is dimensionless; hence the value is said to be relative atomic mass.

To know more about strontium nitrate here

https://brainly.com/question/26177156

#SPJ2

Answer:

The chemical mixture of table salt is NaCl.

Answer:

The weak electrolyte is Aqueous acetic acid.

Answer:

C, physical change

Explanation:

take a look at the equation. Next to each form of water do you see the little (g) and (l)? These represent the state of matter the water is in. So, the water is going from a gas to a liquid. The chemical compound is the same so its a physical change, not chemical, and it is reversible. You could change the liquid water back to the gas through evaporation. Endothermic has literally nothing to do with this equation so you can easily eliminate that answer choice.

Answer:

f the figure is a square with a perimeter of 16 inches, then each side of the square is 4 inchest in length. Area is found by multiplying the length x the width. For a square, the length and width are the same. A = 16 sq

Explanation:

Answer:

C

Explanation:

Parallel makes the shadow happen every month

  non parallel would be less frequent

He should make the Moon orbit Earth at an angle to the table, and not parallel. So, the correct option is C.

The curving path that an object in space takes around another object as a result of gravity is known as an orbit. Moons orbiting planets, planets orbiting planets, and artificial satellites orbiting the Earth are examples of objects where this is frequently seen.

A route that an object in space follows around another is known as an orbit. A satellite is a thing that orbits the earth. An Earth- or moon-like natural satellite is one possibility. Moons are satellites that orbit many planets. A man-made satellite is also possible, such as the International Space Station.

The solar system's planets, comets, asteroids, and other celestial bodies revolve around the sun. The majority of solar system objects travel along or very near a hypothetical flat surface. The ecliptic plane is the name given to this hypothetical plane.

Therefore, the correct option is C.

Learn more about Orbits, here:

https://brainly.com/question/18036706

#SPJ2

Answer: An element is a substance only containing atoms that have the same number of protons in the chemical nuclei

Explanation:

The balanced chemical equations are given below:

PCl3 + H2O → H3PO3 + HCl

2 HCl + Zn → H2 + ZnCl2

H2SO4 + Al(OH)3 → Al2(SO4)3 + 3 H2O

Mg3N2 + 6 H2O → 3 Mg(OH)2 + 2 NH3

H2SO4 + 2 NaCl → 2 HCl + Na2SO4

CuS + 2 O2 + C → Cu + SO2 + CO2

4 Ag + 2 H2S + O2 → 2 Ag2S + 2 H2O

2 NH4Cl + Ca(OH)2 → 2 NH3 + CaCl2 + 2 H2O

A chemical equation is a symbolic representation of a chemical reaction that uses chemical formulas and symbols to show the reactants and products involved in the reaction. The chemical formulas represent the molecules or ions of the reactants and products, while the symbols indicate the chemical bonds between them.

A balanced chemical equation is a chemical equation in which the number of atoms of each element is equal on both the reactant and product sides of the equation. This means that the law of conservation of mass is satisfied, which states that matter cannot be created or destroyed in a chemical reaction, only rearranged.

To balance a chemical equation, coefficients are added to the formulas of the reactants and products to ensure that the same number of each type of atom is present on both sides of the equation.

Learn more on balanced chemical equation here

https://brainly.com/question/14072552

#SPJ1

The limiting reactant is calcium hydroxide. The maximum amount of calcium chloride that can be formed is 44.6 grams.

The balanced chemical equation for the reaction between calcium hydroxide and hydrochloric acid is:

Ca(OH)2 + 2HCl → CaCl2 + 2H2O

To determine the maximum amount of calcium chloride that can be formed, we need to identify the limiting reactant. The limiting reactant is the reactant that is completely consumed in the reaction, thus limiting the amount of product that can be formed.

We can determine the limiting reactant by calculating the amount of product that can be formed from each reactant and comparing the results.

First, let's calculate the amount of calcium chloride that can be formed from 27.8 grams of calcium hydroxide. We'll use the molar mass of calcium hydroxide to convert grams to moles, and then use the mole ratio between calcium hydroxide and calcium chloride to calculate the amount of calcium chloride that can be formed:

27.8 g Ca(OH)2 × (1 mol Ca(OH)2 / 74.093 g) × (1 mol CaCl2 / 1 mol Ca(OH)2) × (110.98 g CaCl2 / 1 mol CaCl2)

= 44.6 g CaCl2

Next, let's calculate the amount of calcium chloride that can be formed from 22.7 grams of hydrochloric acid. We'll use the molar mass of hydrochloric acid to convert grams to moles, and then use the mole ratio between hydrochloric acid and calcium chloride to calculate the amount of calcium chloride that can be formed:

22.7 g HCl × (1 mol HCl / 36.46 g) × (1 mol CaCl2 / 2 mol HCl) × (110.98 g CaCl2 / 1 mol CaCl2)

= 77.5 g CaCl2

From the calculations above, we can see that the amount of calcium chloride that can be formed from 27.8 grams of calcium hydroxide is 44.6 g, while the amount that can be formed from 22.7 grams of hydrochloric acid is 77.5 g. Therefore, the limiting reactant is calcium hydroxide.

The maximum amount of calcium chloride that can be formed is 44.6 grams.

Learn more about limiting reactant here:

https://brainly.com/question/14225536

#SPJ4

Answer:

Distance from the sea, ocean currents, direction of prevailing winds, shape of the land, latitude, temperature, air pressure and  distance from the equator.

Explanation:

Distance from the sea, ocean currents, direction of prevailing winds, shape of the land, latitude, temperature, air pressure and  distance from the equator are the factors that influence the climates of any region. These factors has a great impact on the climate of a region, those regions which are nearer to the equator experiences hot climate whereas those regions which are far from the equator having cold climatic conditions.

endothermic

requires energy to occure

Answer: 0.43molO₂

Explanation:

The ideal gas law for moles is \(n=\frac{PV}{RT}\). If you did not know, R is the ideal gas constant, \(0.0821\frac{L*atm}{mol*K}\).

Since the temperature must be in Kelvin, we must convert our given temperature from ℃ to K. \(19C+273=292K\)

Now that we have the temperature converted to Kelvin, we can plug in our information to the ideal gas law for the number of moles.

\(n=\frac{PV}{RT}\)

\(n=\frac{1.38atm*7.51L}{0.0821\frac{L*atm}{mol*K} *292K} =0.43molO_{2}\)

\(n=0.43molO_{2}\)

Therefore, the number of moles is 0.43molO₂.

I hope this helps! Pls mark brainliest!! :)

The substance that was NOT part of the mixture used in the Urey-Miller experiments is: C. carbon dioxide

The Urey-Miller experiments, conducted in 1952 by Stanley Miller and Harold Urey, aimed to simulate the conditions of early Earth's atmosphere and investigate the formation of organic compounds. The experiments involved creating a mixture of gases thought to be present in the early Earth's atmosphere and subjecting them to electrical discharges to simulate lightning. The purpose was to see if these conditions could produce organic molecules, such as amino acids. The mixture used in the Urey-Miller experiments typically consisted of water (A), hydrogen gas (B), ammonia (D), and methane (E). Carbon dioxide (C) was not part of the original mixture used in these experiments.

Learn more about carbon dioxide here:

https://brainly.com/question/15153008

#SPJ11

Answer:

b. chemical and physical

Empirical formula units is 2 and the molecular formula is CxHyOz.

Molar mass-The molar mass of a chemical compound is determined by dividing its mass by the quantity of that compound, expressed as the number of moles in the sample, measured in moles. The molar mass of a substance is a bulk attribute rather than a molecular one.Calculate the molar mass of a substance by adding the molar masses of its constituent atoms.

There are 40.0 in 100 g of the unknown.

40.0⋅g/12.011⋅g⋅mol−1C

6.7⋅g/1.00794⋅g⋅mol−1 H and

53.5⋅g/16.00gmol−1  

We divide by to get C : H : O.

=3.33:6.65:3.34

. We get an empirical formula of C H 2 O by dividing each elemental ratio by the LOWEST number, which is close enough to WHOLE numbers.

Now the molecular formula is always a multiple of the empirical formula; i.e.

(EF)n=MF.

So 60.0⋅g.mol−1=n×(12.011+2×1.00794+16.00)g⋅mol−1.

Clearly n=2, and the molecular formula is×(CH2O) =CxHyOz.

LEARN MORE ABOUT Molar mass HERE

https://brainly.com/question/837939

#SPJ4

The value of electric flux is 2.45N.m²/C.

A flat sheet of paper of area 0.130 m² is oriented so that the normal to the sheet is at an angle of 56 ∘ to a uniform electric field of magnitude 18 N/C.

The electric flux through the paper is given by;

ϕ=E.A.cosθϕ

= Electric fluxE

= Electric field intensityA

= Area of the surfaceθ

= Angle between electric field intensity and normal to the surface

Given,E = 18 N/C A = 0.130 m² θ = 56°

The electric flux through the paper is :

ϕ=E.A.cosθϕ

= (18 N/C)(0.130 m²)cos56°ϕ

= 2.45 N.m²/C

The electric flux through any closed surface is proportional to the charge enclosed by the surface. The electric flux through an open surface can be calculated by multiplying the electric field intensity with the area of the surface and the cosine of the angle between the electric field intensity and the normal to the surface.

To know more about electric field intensity click on below link:

https://brainly.com/question/16869740#

#SPJ11

Complete question:

A flat sheet of paper of area 0.130 m2 is oriented so that the normal to the sheet is at an angle of 56 ∘ to a uniform electric field of magnitude 18 N/C .Find the amount of elctric flux passing through the sheet?