which two bonds are least similar in polarity? al-cl and i-br i-br and si-cl c-cl and ge-cl b-f and cl-f o-f and cl-f

Answer:

Explanation:

you find moles of AgNO3. That is 0.0132 g AgNO3 x 1 mol AgNO3/169.9 g = 7.77x10-5 moles…. Since there is 1 mole Ag and 1 mole NO3 per mole of AgNO3, this is also the number of moles of Ag+ and NO3- ions.

The statement 'On treatment with dilute \(H_{2}SO_{4}\), ethene forms ethanol' is true as ethanol is the main product of this reaction.

The reaction between ethene and dilute H2​SO4​ produces ethanol. This reaction is an example of hydration reaction, in which water is added to a compound. In this case, the water molecule is provided by the dilute sulfuric acid (H2​SO4​). The reaction can be represented by the following equation:CH2=CH2​ + H2​O → CH3​CH2​OH​.

In this reaction, the double bond between the two carbon atoms in ethene is broken, and a hydrogen atom and a hydroxyl group (-OH) are added to the two carbon atoms, forming ethanol. This reaction is typically carried out in the presence of a catalyst, such as phosphoric acid, to increase the rate of the reaction.

Answer:

C=8,H=8 and O =3

Explanation:

As the formula is given.

The volume of 2.0 M HCl required to make the 100 ml of 0.1000 M solution is 5.0 ml.

What is a dilution formula?

The dilution formula is used to prepare the diluted solutions using a strong stock solution.

The dilution formula is given below:

\(C_{1} V_{1} = C_{2} V_{2}\)

Where,

\(C_{1}\) is the initial concentration

\(C_{2}\) is the final concentration.

\(V_{1}\) is the initial volume.

\(V_{2}\) is the final volume.

Calculation:

In the given problem, initial concentration, final concentration, and final volume are given.

It is required to find the initial volume.

To find the initial volume, rearrange the equation as follows:

\(V_{1} =\frac{C_{2} V_{2} }{C_{1}}\)

Substitute the given values in the equation,

\(V_{1}\) = (0.1000 M × 100 ml) ÷ 2 ml

   = 10 ÷ 2

   = 5 ml

Hence, the initial volume (volume of HCl required) is 5 ml.

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Answer:

S HD ghv

Explanation:

This is the my account

Answer:

It goes the crust mantle outer core and inner core. The crust is what we are standing on it has dirt, rock, stone, the mantle it has lots of silicate rocks and magnesium. The outer core has liquid nickel and iron and the inner core has solid metals

Mantle and core layers are present underneath Earth's surface.

The land underneath Earth's surface has mantle, outer core and inner core. The surface of the earth is the crust which is solid and hard. This surface of earth becomes hard due to cooling of the surface with the help of environmental conditions.

Mantle layer of earth has high temperature than crust whereas the inner and outer core is more hotter than mantle where all the materials are present in liquid state so we can say that inside the earth mantle and core layers are present.

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Answer:

Exothermic reaction

Explanation:

Answer:

 Not too large and not too small. 

Explanation:

The composition of aqueous and alcoholic solutions can be different even if they appear to be the same color. This is because the solvent used can have a significant effect on the properties of the solution, such as the polarity and the ability to dissolve certain substances.

Aqueous solutions are solutions in which water is used as the solvent. Water is a polar molecule, which means that it has a partial positive charge on one end and a partial negative charge on the other end. This polarity allows water to dissolve other polar substances, such as salts and acids, and to form hydrogen bonds with other water molecules.

Alcoholic solutions, on the other hand, are solutions in which alcohol is used as the solvent. Alcohols are also polar molecules, but they have a different polarity than water. Alcohols are generally less polar than water and have a lower dielectric constant, which means that they are less able to dissolve certain substances compared to water.

As a result, even if aqueous and alcoholic solutions appear to be the same color, the concentration and behavior of the dissolved substances can be different due to the different solvent properties.

For example, a solution containing a polar substance such as a salt may be more soluble in an aqueous solution than in an alcoholic solution, while a nonpolar substance may be more soluble in an alcoholic solution.

Additionally, the rate of chemical reactions may also be affected by the choice of solvent, as some reactions occur more rapidly in water than in alcohol, and vice versa.

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Answer:

the answer is c

Explanation:

My reasoning is that its most likely

Answer:

The solution is nopolar

Explanation:

Answer:

The solution does NOT conduct electricity.

Explanation:

Nonelectrolytes are usually held together by covalent bonds rather than ionic ones.

Answer:

Matching

6.D

7.A

8.C

9.B

Explanation:

Took test

103 °C, 90 °C, 101 °C Neither accurate nor precise, 100 °C, 99 °C, 100 °C are Precise, 105 °C, 106 °C, 105 °C are Both accurate and precise, 99 °C, 101 °C, 100 °C are Accurate. These are the correct set of measurements of the boiling point of water.

The melting point is defined as the temperature at which solid and liquid phases are at equilibrium state, whereas the boiling point is defined as the temperature at which the pressure of a vapor of a  liquid is equal to the external pressure.

Melting point in which the melting of solid occur to become a liquid at a given temperature, here the molecules gain enough amount of kinetic energy to get the intermolecular forces to convert into another form.

In case of Boiling point the liquid phase enters into the gaseous phase, when the external pressure is high than a temperature for the vapor pressure equal to the external pressure.

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Answer:

i thing by filtering

Explanation:

Answer: 4.5 moles of \(H_{2}\) can be made from complete reaction of 3.0 moles of Al.

Explanation:

The given reaction equation is as follows.

\(2Al + 6HCl \rightarrow 2AlCl_{3} + 3H_{2}\)

This shows that 2 moles of Al reacts with 6 moles of HCl. So, the amount of HCl required to react with 1 mole Al is three times the amount of HCl.

Therefore, 3 moles of Al will react with 9 moles of HCl to give 3 moles of \(AlCl_{3}\) and \(\frac{9}{2}\) moles of \(H_{2}\).

The reaction equation now will be as follows.

\(3Al + 9HCl \rightarrow 3AlCl_{3} + \frac{9}{2}H_{2}\)

The moles \(\frac{9}{2}\) can also be written as 4.5 moles.

Thus, we can conclude that 4.5 moles of \(H_{2}\) can be made from complete reaction of 3.0 moles of Al.

4.5 moles of H2 can be made from complete reaction of 3.0 moles of Al with hydrogen chloride.

STOICHIOMETRY:

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Answer: Cr2NiO7 is the molecular formula for nickel II dichromate.

Answer:

2L

Explanation:

Answer:

2 Liters is equal to 2,000 mL

Explanation:

In one liter, there is 1,000 milliliters. Therefore, 2 liters is equal to 2,000 milliliters.

Hope this helped!

When the mixture of tea or coffee is added to dichloromethane and water and the mixture is agitated, the caffeine molecules will dissolve in the dichloromethane layer, which is the top layer. This is because caffeine is a non-polar compound that is more soluble in non-polar solvents, such as dichloromethane.

On the other hand, the polar components of the mixture, such as water-soluble organic acids and sugars, will dissolve in the water layer, which is the bottom layer. The two layers can then be separated by draining off the lower aqueous layer, leaving the top organic layer containing the caffeine.

Caffeine can be extracted from a mixture of tea or coffee using dichloromethane and water. Dichloromethane (also known as methylene chloride) is a non-polar solvent, meaning that it does not dissolve well in water, which is a polar solvent.

It's worth noting that extraction is a separation technique that relies on the differential solubility of the components in a mixture. By choosing a suitable solvent system, it is possible to selectively extract a specific compound, such as caffeine, from a complex mixture.

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Ion exchange is the part of the chemical reaction where the ion is replaced by similarly charged ions. It removes the calcium and magnesium ions from hard water by the cation exchanger.

Ion exchange is the technique used to reversibly exchange the charged ions with similar charges. It is majorly used in eliminating the hardness of the water.

This method exchanges the calcium and magnesium ion from hard water through the cation exchanger and replaces them with sodium ions that are soft cations. The anion and cation exchange resin is used to replace the ions.

Therefore, ion exchange replaces the calcium and magnesium ions from the water.

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H+ and Cl

Na+ and OH

Cu+ and SO4

Answer:  0,63 g

Explanation: During 150 days 5 decays happen. You can write a set

of masses : 20 g ⇒ 10 g after first decay, then 5 g , 2.5 g , 1,25 g

and after fifth decay 0.63 g

Answer:

5mL

Explanation:

mass divided by density is equal to volume so

3.9/.78 = 5

why does this work?

grams cancel when you divide g/g/mL and you are left with just mL

A total of 1.66 moles of NH₃ formed when 5 moles of CuO reacts with excess of NH₃.

The balanced equation for the reaction of CuO and NH₃ is given as,

3CuO + 2NH₃ → N₂ + 3H₂O + Cu

Now, as we can see, 3 moles of CuO reacts completely with 2 moles of NH₃ to form 1 mole of N₂ gas. It is given that 5.0 moles of CuO reacts with excess NH₃.

So, we should write,

3 moles CuO = 1 mole N₂

1 mole CuO = 1/3 moles N₂

For 5 moles of CuO,

5 mole CuO = 5/3 moles of N₂

So, when 5 moles of CuO reacts with NH₃, 1.66 molos of N₂ are formed.

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Answer:

Volcanoes can have very serious effects on the environment around them when they erupt. Buildings are destroyed and people are made homeless. People are killed. Clouds of ash cover plants making them inedible. Dust causes pneumonia and illnesses to the survivors. Dark skies, severe winds and heavy rains may follow an eruption for months afterwards.

Explanation:

Gases and solids injected into the stratosphere circled the globe for three weeks. Volcanic eruptions of this magnitude can impact global climate, reducing the amount of solar radiation reaching the Earth's surface, lowering temperatures in the troposphere, and changing atmospheric circulation patterns.

AnswerAnswerAnswermeAnswer:

The Answer would be First Decrease then warmer.

Explanation:

It is right trust me

Answer:0.100

Explanation:

The 95% confidence interval estimate for the mean wake time with the drug treatment is between 76.6 min and 89.6 min.

The 95% confidence interval estimate is calculated based on the sample mean and the standard deviation. In this case, the sample mean wake time after treatment is 83.1 min, and the standard deviation is 20.7 min. With these values, we can construct the confidence interval estimate.

The formula for calculating the confidence interval estimate is:

CI = sample mean ± (critical value * standard deviation / square root of sample size)

Using a 95% confidence level, the critical value is 1.96. The sample size in this case is 21.

Plugging in the values:

CI = 83.1 ± (1.96 * 20.7 / √21)

Simplifying the equation:

CI = 83.1 ± 8.08

Therefore, the 95% confidence interval estimate for the mean wake time with the drug treatment is between 76.6 min (83.1 - 8.08) and 89.6 min (83.1 + 8.08).

This result suggests that the mean wake time before the treatment, which was 105.0 min, is outside the confidence interval estimate. The confidence interval estimate does not include the value of 105.0 min, indicating that the mean wake time with the drug treatment is significantly different from the mean wake time before the treatment.

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The little dots that move between fuel rods represent steam.

What are the fuel rods?

A long, thin zirconium metal tube that holds the pellets of fuel for nuclear reactors made of fissionable material.

The fuel rods are bundled together into fuel assemblies, which are then put one at a time into reactor core.

The fuel rod's main functions are to maintain the fuel in a precise geometry and to act as the first line of defense between the fission products and the outside world.

Therefore, maintaining its integrity is main objective of fuel design and operating procedures for reactors.

Small ceramic pellets of low-enriched uranium oxide are the fuel used today's commercial reactors.

These fuel rods are bundled into the tall fuel assemblies, which are then put inside reactor.

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Answer:

\(\huge\boxed{\sf P =624.678 \ kPa}\)

Explanation:

Given:

Volume = v = 4.34 L

Temp = T = 1.0 °C = 1 + 273 = 274 K

Moles = n = 1.19 mol

Gas constant = R = 0.08206 L atm K⁻¹ mol ⁻¹

Required:

Pressure = P = ?

Formula:

Pv = nRT

Solution:

Rearranging formula

\(\displaystyle P = \frac{nRT}{v} \\\\P = \frac{(1.19)(0.08206)(274)}{4.34} \\\\P = \frac{26.8}{4.34} \\\\P = 6.17 atm\\\\\underline{In \ kPa:}\\\\P =624.678 \ kPa\\\\\rule[225]{225}{2}\)