what kind of intermolecular forces act between a dichloroethylene ch2ccl2 molecule and a chloroform chcl3 molecule?

Answer:

Any kind, as long as there is an action.

Answer:

Energy can be transferred from one form to another like kinetic energy to potential energy, light energy to heat energy, kinetic energy to electrical energy, light energy to chemical energy .etc ...

Explanation:

brainest please

A. Attenuation is used to control transcription of some anabolic pathways involved in amino acid biosynthesis. Attenuation is a regulatory mechanism in bacteria where the transcription of a gene is terminated prematurely in response to the presence or absence of certain amino acids.

This mechanism is commonly used to regulate the expression of genes involved in amino acid biosynthetic pathways, as it allows the cell to adjust its production of these compounds in response to its immediate needs.

Attenuation involves the formation of a hairpin loop in the nascent RNA transcript that can cause premature termination of transcription, thereby preventing the synthesis of the downstream gene product. By regulating the formation of this hairpin loop, the cell can control the amount of gene product produced, allowing for fine-tuned regulation of anabolic pathways involved in amino acid biosynthesis.

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Answer:

.084 M

Explanation:

Molar mass of sucrose = 342.3

The formula to find molarity is moles of solute / liters of solution

Since we need to turn grams to moles for this equation we do 104 / 342.3 = 0.304

Now we can use the equation listed above. .304 / 3.6 = 0.084 M

Answer:

electrical power. nnnnnnn

Answer

changing from liquid to gas

Explanation

changing from liquid to gas

All of the following are ways in which fatty acids can differ from one another except chain length and degree of saturation.

Fatty acids can be classified according to the length of their chain, for example, in short (if it has less than 8 carbons), medium (between 8-12 carbons), long (between 12-18 carbons) and very long (if it has less than 18 carbons); they are also classified according to their degree of unsaturation, in saturated, monounsaturated and polyunsaturated; and according to the isomerism in cis and trans fatty acids.

A fatty acid is different from others in various ways. Some examples are as double bonds they have, saturation level how long a fatty acid chain is.

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Answer:

Isotopes

Explanation:

An isotope are the atoms of an element with similar chemical identity and number of protons but different atomic masses. This means that isotopes of an element differ from one another by their number of NEUTRONS.

For example, the uranium element possesses isotopes as follows: Uranium-235 and uranium-238. This two isotopes have the same chemical identity and number of protons/atomic no., which is 92. However, the atomic masses (235 and 238) are different.

Answer:

Isotopes

Explanation:

The major organic product of the reaction is that methoxide ion replace the bromide ion.

A nucleophilic substitution reaction occurs when an organic compound's leaving group, which is frequently composed of halide groups or other electron-withdrawing groups, interacts with a nucleophile.

The contact between the two species, the organic compound and the nucleophile, determines how quickly this reaction proceeds.

The nucleophile attacks the substrate from the rear in order for this reaction to continue. The angle of the nucleophile's approach to the supplied substrate with respect to the carbon-leaving group bond is 180. Through a transition state, the carbon-nucleophile bond forms and the carbon-leaving group bond dissolves simultaneously.

It operates through the \(SN_{2}\) mechanism and is an illustration of the nucleophilic replacement of primary alkyl bromide. It involves configuration inversion. Methoxide ion replaces bromide ion in this process.

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The mass percent of each of the compounds is;

a) 41.4%  b) 26%  c) 55%

To get the mass percent of an element in a compound, multiply the result by 100 after dividing the mass of the element in 1 mole of the compound by the compound's molar mass.

One approach to show the concentration of an element in a compound or component in a combination is as a mass percentage.

We have for each compound:

a) 2(12)/58 * 100/1

= 41.4%

b) 12/46 * 100/1

= 26%

c) 2(12)/44 * 100/1

= 55%

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A precipitate will form when an aqueous solution of Ba(NO3)2 is added to an aqueous solution of SO42-.

Barium nitrate is a soluble ionic compound, while sulfate ions are also soluble in water. However, when these two solutions are mixed, the barium ions and sulfate ions will react to form an insoluble precipitate of barium sulfate. This precipitate is white and will appear as a cloudiness in the solution.

The reaction between barium nitrate and sulfate ions can be represented by the following equation:

Ba(NO3)2(aq) + SO42-(aq) → BaSO4(s) + 2NO3-(aq)

In this reaction, the barium ions and sulfate ions combine to form an insoluble precipitate of barium sulfate. The nitrate ions remain in solution as they are soluble in water.

The formation of a precipitate is a useful way to identify the presence of certain ions in a solution. For example, if you add a solution of barium nitrate to a solution of sodium sulfate, and a white precipitate forms, you can be sure that sulfate ions are present in the solution.

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Answer:

Ionic bond is the electrostatic attraction among the positive and negative ions.

Explanation:

It forms when the valance electrons (electrons in the outer shell) of one atom are transferred to another atom.

Answer:

14 dimes

Explanation:

48 nickels = 48 x .05 = $2.40

$3.80 - $2.40 = $ 1.40

$1.40 / .10 = 14 dimes

The bond is polar covalent, and the Cl atom carries a partial negative charge while the H atom carries a partial positive charge as given that the electronegativity of H is 2.20 & Cl is 3.55.

The type of bond that forms between H and Cl when they form hydrogen chloride is polar covalent bond. Electronegativity refers to the power of an atom to attract shared electrons towards itself. It is measured on a numerical scale of 0 to 4 where 4 is the highest possible value. Elements with high electronegativity can attract electrons easily and form polar bonds.

When H and Cl combine to form hydrogen chloride, a covalent bond is formed. Since Cl has a higher electronegativity than H, it attracts the shared electrons towards itself more strongly.

As a result, the electron-cloud of the bond is distorted and becomes more negative towards the Cl end and more positive towards the H end. Hence, the bond is a polar covalent bond.

H-Cl bondIn the H-Cl bond, H has an electronegativity of 2.20 while Cl has an electronegativity of 3.55. Therefore, the Cl atom is more electronegative than the H atom.

As a result, the bond is polar covalent, and the Cl atom carries a partial negative charge while the H atom carries a partial positive charge.

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2.7 is the approximate pH of a 0.10 m solution of a weak acid that has a ka of 5 x 10^-5 m.

5 x 10^-5 (0.1) = 5 x 10^-6

sqrt 5 x 10^-6 = 2.24 x 10-3

-log 2.24 x 10-3 = 2.7

pH, which originally stood for "potential of hydrogen," is a chemical scale used to quantify the acidity or basicity of an aqueous solution. Acidic solutions have a lower pH than basic or alkaline solutions. The pH of aqueous or other liquid solutions is a quantitative measure of their acidity or basicity.

The pH of a solution is a measure of its acidity or alkalinity, as well as its concentration of hydrogen ions. The pH scale often spans from 0 to 14. Aqueous solutions with a pH less than 7 at 25 ° C are acidic, whereas solutions with a pH more than 7 are basic or alkaline.

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0.99 moles of copper (Cu) would be made when 0.33 mole of copper (II) phosphide (Cu3P2) deteriorates.

Copper (II) phosphide (Cu3P2) is a compound that can be made through a reaction between copper and phosphorus under controlled conditions. It can also be made by the reaction between copper sulfate and sodium hypophosphite or by reducing copper (II) phosphate with carbon at high temperatures.

Copper (II) phosphide (Cu3P2) has several uses. It is used as a rodenticide to control rodents, as a catalyst, as a lubricant, as an alloying agent, and as a pigment in some ceramic glazes.

The decomposition of copper (II) phosphide (Cu3P2) can be represented by the following chemical equation Cu3P2 → 3Cu + 2P.

The number of moles of copper produced when 0.33 mole of copper (II) phosphide decomposes will be:

0.33 moles Cu3P2 / 1 x 3 moles Cu / 1 mole Cu3P2 = 0.99 moles Cu

So, 0.99 moles of copper (Cu) would be made when 0.33 mole of copper (II) phosphide (Cu3P2) deteriorates.

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Using the law of the conservation of mass, the reactions can be shown to obey the law.

We need to know what the law of the conservation of mass says so that we can be able to know how we can be able to apply the law in the proper perspective. We have to know that the law says that total mass of the system would remain constant. The implication of this is that the mass before the reaction would be the same as the mass after the reaction. The mass of the substance must be able to add up in the system that is under study as we have one here.

Mass of the iron = 56 g

Mass of the chlorine = 35.5 g

Balanced reaction equation;

\(2Fe + 3Cl_{2} ---- > 2FeCl_{3}\)

This is the  formation of the iron III chloride

Total mass on the right hand side = 2(56) + 6(35.5) = 325 g

Total mass on the left hand side = 2[56 + 3(35.5)] = 325 g

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Answer:

Therefore, amongst four cats, the cat which is at the highest position, will have the greatest gravitational potential energy.

Explanation:

The gravitational potential energy is the energy of the system, which is associated with the position (height) of object from the surface of earth in the gravitational field. The formula for gravitational potential energy is given as:

P.E = mgh

where,

P.E = Gravitational Potential Energy

m = mass of object

g = acceleration due to gravity

h = height from the surface of earth

Therefore, amongst four cats, the cat which is at the highest position, will have the greatest gravitational potential energy.

The challenges do scientists face in studying the sun is that due to high amount of heat, it is impossible to see sun.

Sun is a ball of hydrogen and helium gases which may produce large amount of heat as a result of nuclear fusion reaction.

High amount of heat is produced in the sun so it is not possible to see the sun from the normal eyes. Scientist uses telescope with mant filters to see a clear picture of the sun. Scientists are also not able to go near to the sun as produced heat is that much of power as they burn any object.

Hence above challenges are scientist face.

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Answer:

NH3

Explanation:

The formula for ammonia gas is NH3. Its appearance is a colorless gas.

Ammonia gas is formed by the balanced chemical reaction between nitrogen and hydrogen elements. The balanced chemical equation for the formation of ammonia gas is as follows:

                       N2+3H => 2NH3

So, Nitrogen and Hydrogen are present in the ration of 2:6 or 1:3.

Answer:

lol

Explanation: lol

Ai. The concentration of hydronium ion, [H₃O⁺], is 0.10 M

Aii. The concentration hydroxide ion, [OH⁻] is 1×10⁻¹³ M

Bi. The concentration of hydronium, ion [H₃O⁺], is 3.57×10⁻¹¹ M

Bii. The concentration hydroxide ion, [OH⁻] is 2.8×10¯⁴ M

i. The concentration of hydronium ion, [H₃O⁺] can be obtained as follow:

HCl(aq) + H₂O <=> H₃O⁺(aq) + Cl⁻(aq)

From the above equation,

1 mole of HCl  contains 1 mole of H₃O⁺

Therefore,

0.10 M HCl will also contain 0.10 M H₃O⁺

Thus, the concentration of hydronium ion, [H₃O⁺] is 0.10 M

ii. The concentration of hydroxide ion, [OH⁻] can be obtained as follow:

[H₃O⁺] × [OH⁻] = 10¯¹⁴

0.10 × [OH⁻] = 10¯¹⁴

Divide both side by 3.02×10⁻¹⁰

[OH⁻] = 10¯¹⁴ / 0.10

[OH⁻] = 1×10⁻¹³ M

Thus, concentration of hydroxide ion, [OH⁻] is 1×10⁻¹³ M

First, we shall obtain concentration hydroxide ion, [OH⁻]. Details below:

Mg(OH)₂(aq) <=> Mg²⁺(aq) + 2OH⁻(aq)

From the above equation,

1 mole of Mg(OH)₂ is contains 2 mole of OH⁻

Therefore,

1.4×10¯⁴ M Mg(OH)₂ will contain = 1.4×10¯⁴ × 2 = 2.8×10¯⁴ M OH⁻

Thus, concentration hydroxide ion, [OH⁻] is 2.8×10¯⁴ M

Now, we shall obtain the concentration of hydronium, ion [H₃O⁺]. Details below:

[H₃O⁺] × [OH⁻] = 10¯¹⁴

[H₃O⁺] × 2.8×10¯⁴ = 10¯¹⁴

Divide both side by 2.8×10¯⁴

[H₃O⁺] = 10¯¹⁴ / 2.8×10¯⁴

[H₃O⁺] = 3.57×10⁻¹¹ M

Thus, the concentration of hydronium, ion [H₃O⁺], is 3.57×10⁻¹¹ M

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Answer:

6.022×1023 atoms

Explanation:

Answer:

oxygen

Explanation:

air is a way of saying oxygen but it isn't direct, sodium chloride is a combination of two different elements but isn't one element, and water is H2O but that isn't an element on the periodic table. The only real element that is on the periodic table is oxygen.

Answer:

oxygen

Explanation:

i took the test

The volume (V₂) of the container at the new altitude is 0.717 Hg. It can be calculated by operating the ideal gas law.

Given information,

V₁ = 250 mL = 0.25L

P₁ = 30.07 Hg

P₂ = 9.96 Hg

T₂ = 3.7 °C

The equation of the ideal gas law is:

(P₁ * V₁) / (T₁) = (P₂ * V₂) / (T₂)

The initial and final temperatures in Kelvin:

T₁ = 273.15 + 3.7 = 276.85 K

T₂ = 273.15 - 9.96 °C = 263.19 K

Now,

(30.07  * 0.25) / (276.85 ) = (9.96  * V₂) / (263.19 )

V₂ = (30.07  * 0.25  * 263.19 ) / (9.96  * 276.85)

V₂ = 0.717 Hg

Therefore, the volume at the new altitude is 0.717 Hg.

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The two equations are -Ca2+(aq) + 2Cl–(aq) + 2K+(aq) + CO32–(aq) →CaCO3(s) + 2K+(aq) + 2Cl–(aq)Net Ionic Equation: Ca2+(aq) + CO32–(aq) → CaCO3(Sonic Equation: Mg2+(aq) + SO42–(aq) + 2K+(aq) + 2OH–(aq) → Mg(OH)2(s) + 2K+(aq) + SO42–(aq)Net Ionic Equation: Mg2+(aq) + 2OH–(aq) → Mg(OH)2(s)

Aqueous solution is a type of solution in which a solute is dissolved in water. It is the most common type of solution, and is often referred to as a dilute solution. Aqueous solutions are aqueous because they are composed mainly of water molecules, which are polar molecules and can dissolve many other substances. Examples of aqueous solutions include salt water, sugar water, and vinegar.


1. Aqueous solutions of calcium chloride and potassium carbonate are mixed

Complete Equation: CaCl2(aq) + K2CO3(aq) → CaCO3(s) + 2KCl(aq)

Ionic Equation: Ca2+(aq) + 2Cl–(aq) + 2K+(aq) + CO32–(aq) → CaCO3(s) + 2K+(aq) + 2Cl–(aq)

Net Ionic Equation: Ca2+(aq) + CO32–(aq) → CaCO3(s)

2. Aqueous solutions of magnesium sulfate and potassium hydroxide are mixed

Complete Equation: MgSO4(aq) + 2KOH(aq) → Mg(OH)2(s) + K2SO4(aq)

Ionic Equation: Mg2+(aq) + SO42–(aq) + 2K+(aq) + 2OH–(aq) → Mg(OH)2(s) + 2K+(aq) + SO42–(aq)

Net Ionic Equation: Mg2+(aq) + 2OH–(aq) → Mg(OH)2(s)

Aqueous precipitation reactions occur when two aqueous solutions are mixed and a solid precipitate is formed. This happens when two soluble ionic compounds react to form an insoluble compound. The complete equation for a precipitation reaction shows the complete reactants and products, including the ions present in both the reactants and the products. The ionic equation shows the ions present in the reactants and products, and the net ionic equation shows only the ions that are involved in the reaction. In the two examples above, both reactions form a solid precipitate, and the net ionic equation shows that both reactions involve an exchange of ions to form the insoluble product.

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Answer: Cow fart unhealthy because

they spent there days for people can

make milk.

Answer: 300 goats want get food

Explanation:

Answer:

avada kadvera

Explanation:

what comes around goes around

 This is because the halogenation of alkanes is specifically used for the formation of chlorides, bromides, or iodides, but not fluorides.          

  Option-(D).

Fluorination of alkanes typically requires harsher conditions than simple halogenation, such as using elemental fluorine gas or highly reactive fluorinating agents.

Halogenation is a chemical reaction in which one or more halogen atoms (fluorine, chlorine, bromine, or iodine) are added to a molecule.

This reaction is commonly used for the functionalization of alkanes, which are typically unreactive compounds due to the strength of their C-H bonds.

Halogenation of alkanes can be achieved by treating the alkane with a halogen and light or heat.

The reaction proceeds via a radical mechanism, in which a halogen radical is formed by homolytic cleavage of the halogen molecule.

This halogen radical then reacts with the alkane to form an alkyl radical, which can further react with a halogen molecule to form a halogenated alkane and regenerate the halogen radical.

This process continues until all available alkane molecules are consumed or until a termination step stops the chain reaction.

Halogenation is an important reaction in organic chemistry and has many applications, including in the synthesis of pharmaceuticals, agrochemicals, and materials.

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