Which of the following is a nonelectrolyte?
Na2SO4
Pb(NO3)2
C6H12O6
Ag(C2H3O2)

The interaction of sodium hydroxide (NaOH), hydronium ion (H₃O⁺), and 2-nitropentane. It appears to involve both acid-base reactions and nucleophilic substitution. Here is a theory for the reaction's mechanism:

Step 1: Deprotonation

Strong base NaOH sodium hydroxideinteracts with hydrogen ion H₃O⁺ to produce water (H₂O) and sodium hydronium ion (NaH₃O⁺):

H₃O⁺ + NaOH → H₂O + NaH₃O⁺

Step 2: Nucleophilic Attack

The carbon-nitrogen double bond in NaH₃O⁺ is attacked by the deprotonated nitropentane anion, which is produced from 2-nitropentane, acting as a nucleophile:

NaH₃O⁺ + Nitropentane → Na+ + Nitropentane Anion

Step 3: Protonation

The end product, 2-nitropentanol, is created when water (H₂O), acting as a proton donor, donates a proton to the nitropentane anion:

Nitropentane Anion + H₂O → 2-Nitropentanol

The complete reaction can be summarized as follows:

2-nitropentane + NaOH/H₃O⁺ → 2-nitropentanol + Na⁺ + H₂O

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To find moles when given the molar mass, you can use the concept of molar mass as a conversion factor.Molar mass represents the mass of one mole of a substance, expressed in grams per mole (g/mol).

To calculate moles, divide the given mass of the substance by its molar mass. The equation is:

moles = mass / molar mass

For example, if you have 56 grams of carbon dioxide (CO2) and want to find the number of moles, you need to know the molar mass of CO2, which is approximately 44 g/mol. Using the equation above:

moles = 56 g / 44 g/mol

moles ≈ 1.27 mol

Therefore, there are approximately 1.27 moles of carbon dioxide in 56 grams.

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Answer:

When the electrons in the atom are excited, for example by being heated, the additional energy pushes the electrons to higher energy orbitals. When the electrons fall back down and leave the excited state, energy is re-emitted in the form of a photon

Explanation:

Answer:

Hexose category and ketohexose category

Explanation:

The classification of the Carbohydrate tagatose by carbonyl group is that it is a monosaccharide and has a hexose structure hence it belongs to the Hexose category

Based on the number of carbon atoms the structure has a ketofunctionality hence it is classified under the ketohexose category

Attached below is the remaining part of the solution

Answer:

It would take 15 sticks of butter

Explanation:

2 divided by 20 is 0.1

0.1 is how much butter for 1 so now we multiply that by 150

0.1 x 150 = 15

Therefore, you would need 15 sticks of butter for 150 cookies

Answer:

1. solid

2. liquid

3. plasma

4. gas

Those are the four parts of matter.

Explanation:

I hope this helps.

Answer:

Its B

Explanation:

Because im just built different

The statement  featuring the single replacement reaction has been statement B.

The single replacement reaction has been defined as the reaction of the highly reactive element with the compounds, that results in the formation of the new compound with the replacement of the less reactive element.

The single replacement reaction can be given as:

G + XY \(\rightarrow\) GY + X

In the reaction, G being more reactive than X has been able to displace X and forms bond with Y. Thus, statement  featuring the single replacement reaction has been B.

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The compound that is shown as X can be seen in the option labelled C

The process of esterification involves the condensation of an alcohol (or phenol) with an acid to produce an ester. To create the ester bond, the water molecule must be removed from the alcohol and acid (dehydration).

Usually, an acid catalyst is used to catalyze the reaction, which makes it easier to remove water and encourages the creation of the ester. The acid catalyst aids in protonating the acid's carbonyl oxygen, which increases its electrophilicity and makes it more vulnerable to alcohol's nucleophilic attack.

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To determine the tomato's velocity when it hits the ground, we need more information. Specifically, we need the height from which the tomato was dropped and the tomato mass.

Without these details, it is impossible to calculate velocity accurately. The velocity of an object when it hits the ground depends on factors such as the height of the fall, the mass of the object, and any forces acting on it during the fall (such as air resistance).

If you can provide the necessary information, I can help you calculate the velocity of the tomato when it hits the ground.

1004kPa

According to the dalton's law of partial pressure, the total pressure of by a gas is equal to the sum of its partial pressure

Given the following parameters

• Pressure of Oxygen = 287kPa

• Pressure of Nitrogen = 429kPa

If the pressure in container A is tripled, the new pressure will be:

New Pressure of Oxygen = 3(287) = 861kPa

If the pressure in B is reduced by one-third, then;

New Pressure of nitrogen = 429/3 = 143kPa

Pressure inside the container C = 861 + 143

Pressure inside the container C = 1004kPa

Hence the new pressure in the container C after the changes will be 1004kPa

The law above fits into the situation because it is a way of measuring a gas's partial pressure

To obtain more accurate values of the densities of the pennies:

The density of a substance is the ratio of the mass of the substance to the volume of that substance.

It is a measure of the compactness of the matter in a substance.

The densities of the pennies made before 1982 was 8.7 g/ml

The actual density of pennies made before 1982 is about 8.8 g/mL.

The densities of the pennies made after 1982 was 6.9 g/ml

The actual density of pennies made after 1982 is about 7.2 g/mL.

Due to several random and experimental errors, the values obtained from the experiment are not exactly the same with the accepted values.

To obtain more accurate values:

In conclusion, the densities varied as as a result of random and experimental errors.

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Answer:

Prior to 1982, the densities of pennies were 8.7 g/ml.

The density of pre-1982 pennies is approximately 8.8 g/mL.

The densities of pennies produced after 1982 were 6.9 g/ml.

The density of pennies made after 1982 is approximately 7.2 g/mL.

The values obtained from the experiment do not exactly match the accepted values due to several random and experimental errors.

Explanation:

Answer:

A rivers load is gravel and sand. It is carried by being dragged, rolled, and bounced along the bed of the river.

Explanation:

Answer:

the amount of gravel and sand at a river

the load is carried by the moving water

Answer:

Destruction of rocks at convergent boundaries

Explanation:

Duuuuuuuuude. Dude.

Let's think for a sec, because this confused me.

Acid rain is chemical weathering. It has acid in it, so it weathers rocks. (Ewwww.)

Frost wedging is a major duh, because frost can weather rocks.

Oxidation reactions are a yes yes because it becomes oxidized.

Answer:

The moon is required to make a wave.

Answer:

Chemistry is sometimes called “the central science,” because it bridges physics with other natural sciences, such as geology and biology. Chemistry is the study of matter and its properties.

Explanation:

~found it~

Answer:

Thermal equilibrium stops the transfer of energy in just one direction when both objects reach the same temperature, but allows their particles to continue transferring that energy back and forth.

Explanation:

a. The transfer of energy occurs until both objects reach thermal equilibrium. But particles are always moving and crashing with each other. TRUE.

b. The heat transfer occurs from the hotter object to the colder one but moving of particles descreases with temperature decreasing. FALSE.

c. Plastic and wood have a poor quality to transfer energy but there is no material that "stops" perfectly the transfer of energy. FALSE.

d. The heat is transferred from the particles of the hotter object to the particles of the colder one. FALSE

Answer:

The more easily these cations form, the more reactive the metal.

Explanation:

Answer:

this is of effective nuclear charge.

Answer:

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body.

Chromosomes are structures within cells that contain a person's genes. A trait is any gene-determined characteristics and is often determined by more than one gene.

for study island:

A single trait can be controlled by multiple genes.

A single gene can influence multiple traits.

Hi there!

\(\large\boxed{4.04g}\)

To solve, we can use dimensional analysis to convert from molecules to grams.

We must use Avogadro's number (6.02 × 10²³) in converting from molecules to moles.

After converting, multiply by the atomic mass, or grams per mole.

\(1.204 * 10^{24} moles *\frac{1 mol}{6.02*10^{23}moles}* \frac{2.02g}{1mol }= 4.04g\)

Answer:

\(\Delta H=-72870J=-72.9kJ\)

Explanation:

Hello,

In this case, for the computation of the total energy, we must consider two processes:

1. Condensation of steam (heat of condensation is the negative of heat of vaporization).

2. Cooling of hot water (we use the specific heat of water).

Thus, we write:

\(\Delta H=\Delta H_{cond}+\Delta H_{cooling}\)

For each term, we have:

\(\Delta H_{cond}=28.3g*\frac{1mol}{18g} *-40.7\frac{kJ}{mol} *\frac{1000J}{1kJ}= -63989.44J\)

\(\Delta H_{cooling}=28.3g*4.184\frac{J}{g\°C}*(25.5-100.0)\°C =-8880.54J\)

Therefore, the total energy results:

\(\Delta H=-63989.44J-8880.54J\\\\\Delta H=-72870J=-72.9kJ\)

Regards.

Answer:

Yes

Explanation:

Qualitative data deals with the properties or qualities of matter. In qualitative studies, the aim is to understand all about the structure and properties of matter.

Some qualitative methods involve the use of radiation. A typical example of such is the X-ray diffraction. XRD is a qualitative method that can reveal the internal structure of a molecule as well as arrangement of atoms which are not hydrogen.

Also radiation is useful in quantitative measurements such as atomic absorption spectroscopy, spectrophotometry, etc.

0.50 L of a 1.5 m solution contains 71.4 grams of MgCl2.

The equation moles of solute = molarity x volume (in liters) can be used.

When converting to grams, we may use the molar mass of the MgCl2 to determine how many moles there are in the solution.

MgCl2 has a molar mass of roughly 95.21 g/mol.

The volume must first be changed from liters to milliliters:

0.50 L = 500 mL

Next, we may determine how many moles of MgCl2 are present in the solution:

moles of MgCl2 = molarity x volume (in liters)

moles of MgCl2 = 1.5 mol/L x 0.50 L

moles of MgCl2 = 0.75 moles

Finally, we can figure out how much MgCl2 is present in the solution:

mass of MgCl2 = moles of MgCl2 x molar mass

mass of MgCl2 = 0.75 moles x 95.21 g/mol

mass of MgCl2 = 71.4 grams

Therefore, 0.50 L of a 1.5 m solution contains 71.4 grams of MgCl2.

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Answer:

gguhg

Explanation:

no te es caso drama me están muy una las y y que las te

The liquid substance used in the laboratory for dissolving dry mortar on floor flies is hydrochloric acid.

Hydrochloric acid is a strong acid that can dissolve many materials, including dry mortar.

Hydrochloric acid also known as muriatic acid or sulfuric acid, are commonly used to dissolve hardened mortar or concrete residues.

To use hydrochloric acid to dissolve dry mortar, you will need to mix the acid with water in a ratio of 1 part acd to 10 parts water.

You should then apply the mixture to the dry mortar using a brush or spray botle.

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The percent by mass of nitrogen in ammonia (NH3) is approximately 82.15%

Calculating the mass of nitrogen to the total mass of the compound and then expressing the result as a percentage will allow us to determine the percent by mass of nitrogen in NH3 (ammonia).

Ammonia's molecular structure, NH3, indicates that it is made up of one nitrogen atom (N) and three hydrogen atoms (H). We must take both the molar masses of nitrogen and ammonia into account when calculating the percent by mass of nitrogen.

Nitrogen's (N) molar mass is roughly 14.01 g/mol. The molar masses of nitrogen and hydrogen are added to determine the molar mass of ammonia (NH3). Since hydrogen's molar mass is around 1.01 g/mol, ammonia's molar mass is:

(3 mol H 1.01 g/mol) + (1 mol N 14.01 g/mol) = 17.03 g/mol = NH3.

Now, we can use the following formula to get the nitrogen content of ammonia in percent by mass:

(Mass of nitrogen / Mass of ammonia) / 100% is the percentage of nitrogen by mass.

Ammonia weighs 17.03 g/mol and contains 14.01 g/mol of nitrogen by mass. By entering these values, we obtain:

(14.01 g/mol / 17.03 g/mol) 100% 82.15 % of nitrogen by mass

Ammonia (NH3) has a nitrogen content that is roughly 82.15 percent by mass.

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The incorrect part of the chemical equation is the coefficient for the oxygen gas reactant.

        2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

        2 C2H10 (should be C2H6) + 10 O2 → 8 CO2 + 10 H2O

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