Electrophilic functional groups are considered Lewis {{c1::acids}}

Answer:

3, 4 ,1

Explanation:

b. false Water is a good conductor of electricity, and if it comes into contact with electrical components or wiring, it can create a risk of electrical shock. Therefore, team members should indeed be careful not to let water splash into the lemonade dispenser when the panels are off for cleaning.

This precaution is necessary to ensure the safety of the individuals handling the equipment. It is important to note that electrical shock can occur when there is a complete or partial path for electric current to flow through the body. Water can provide this path of conductivity and increase the likelihood of electrical shock. Therefore, team members should take appropriate precautions to prevent water from reaching the electrical components and ensure their own safety.

Learn more about panels here: brainly.com/question/6949231

#SPJ11

Answer:

Explanation:

An atom is neutral has no charge if it has a charge it becomes an ion

Masses vary It has the same number of protons and neutrons

electron has a negative charge whereas a proton has a positive charge.

The mass of 7,00 × 10²² NaOH molecules is 4,64 gram. 7,00 × 10²² NaOH molecules equal 0.116 moles NaOH.

To find out the mass of 7,00 × 10²² NaOH molecules you can use the following steps

Step 1: The first step is to calculate the number of moles of the compound.

mol = number of particles ÷ Avogadro's number

      = 7,00 × 10²² ÷ 6,022 × 10²³

      = 0,116 mol

Step 2: The next step is to calculate the mass of the molecules.

mass = mol × relative molecular mass

         = 0,116 mol × 40 gram/mol

          = 4,64 gram

So the mass of 7,00 × 10²² NaOH molecules is 4,64 gram.

Learn more about number of particles here: https://brainly.com/question/29367909

#SPJ1

According to the question the experimental value for the specific heat and the accepted value for the 100% propylene glycol solution (pure propylene glycol) is higher than the others as:

The experimental value is the value that you get in an experiment.

Error = [accepted value - experimental value]

Typically, the discrepancy is shown as a percent inaccuracy.

Experimental value 100% equals percentage error = |experimental value - accepted value. Consider, for instance, that you performed an experiment to ascertain the boiling point of water and obtained a result of 99.3 °C.

99.3 °C is your experimental value.

The ideal temperature is 100.0 °C.

|99.3 °C - 100.0 °C| = 0.7 °C is the experimental error.

The inaccuracy is represented as 99.3 °C - 100.0 °C/100.0 °C = 0.7 °C.

0.7/100.0 °C × 100 = 0.7 %

To know more about percentage error visit

https://brainly.com/question/28746643

#SPJ4

Answer:

I think it's the auditory cortex or the temporal lobe

The mass of oxygen gas produced, given that 15.8 g of potassium permanganate is heated until no more oxygen gas is given off is 1.6 g

From the question given, the following data were obtained:

The mass of oxygen gas produced from the reaction can be obtained as follow:

Mass of potassium permanganate = Mass of remaining substance + mass of oxygen

Inputting the given parameters, we have:

15.8 = 14.2 + mass of oxygen

Collect like terms,

Mass of oxygen = 15.8 - 14.2

= 1.6 g

Thus, we can conclude that the mass of oxygen gas produced from the reaction is 1.6 g

Learn more about mass produced:

https://brainly.com/question/9526265

#SPJ1

Answer:

Oxygen group element, also called chalcogen, any of the six chemical elements making up Group 16 (VIa) of the periodic classification—namely, oxygen (O), sulfur (S), selenium (Se), tellurium (Te), polonium (Po), and livermorium (Lv). ... Modern version of the periodic table of the elements (printable).

Answer:

B

Explanation:

The ability of an electric charge or heat to move through a material is measured by its conductivity. A material is considered a conductor if it offers relatively minimal resistance to the flow of thermal or electric energy.

To learn more about : Conductivity.

Ref : https://brainly.com/question/18384031

#SPJ13

The order of atomic size for the given sets is: 1) Cs > K > Li; 2) Pb > Sn > Si; 3) F > O > N; 4) Te^2- > Sc > Sc^2-; 5) Fe^3+ > Co^3- > Fe^2+; 6) Ti^4- > Sc^3+ > Ca; 7) Be^2+ > Na+ > Ne.

Cs > K > Li: Among these alkali metals, Cs has the largest atomic radius due to its location at the bottom of the periodic table, followed by K and then Li.

Pb > Sn > Si: Moving down Group 14, the atomic size increases. Pb has the largest atomic radius, followed by Sn, and then Si.

F > O > N: Moving from left to right across Period 2, the atomic radius decreases. F has the smallest atomic radius due to its high effective nuclear charge, followed by O, and then N.

Te^2- > Sc > Sc^2-: The larger the negative charge on an ion, the larger its ionic radius. Thus, Te^2- has the largest radius, followed by the neutral Sc atom, and then the smaller Sc^2+ ion.

Fe^3+ > Co^3- > Fe^2+: Among these transition metal ions, Fe^3+ has the smallest ionic radius due to its higher positive charge. Co^3- has a larger radius due to its higher negative charge, and Fe^2+ has the largest radius among the three ions.

Ca > Sc^3+ > Ti^4-: Moving from left to right across the periodic table, cations decrease in size while anions increase in size. Therefore, Ti^4- has the largest radius, followed by Sc^3+, and then the cation Ca.

Be^2+ > Na+ > Ne: Moving across Period 2, the atomic radius decreases. Ne has the smallest atomic radius due to its high effective nuclear charge, followed by Na+ (lost one electron), and then Be^2+ (lost two electrons), which has the largest atomic radius among the three.

Hence, the order of atomic size for the given sets is: 1) Cs > K > Li; 2) Pb > Sn > Si; 3) F > O > N; 4) Te^2- > Sc > Sc^2-; 5) Fe^3+ > Co^3- > Fe^2+; 6) Ti^4- > Sc^3+ > Ca; 7) Be^2+ > Na+ > Ne.

Know more about Atomic Size here:

https://brainly.com/question/29093022

#SPJ11

In Linear molecular geometry, the bond angle is 90°, in trigonal pyramidal geometry, bond angle is 107°, in trigonal planar geometry, bond angle is 120° and in tetrahedral, the bond angle is 109.5°.

In the linear geometry, the central atom has two side atoms attached which are at and bond angle of 180°.

In trigonal pyramidal geometry, the central atom has four side atoms which resembles a pyramid like structure. The bond angle between the two consecutive side atoms is 107°.

In trigonal planar geometry, three atoms are attached on the sides of central atom. The bond angle between these side atom is equal and of 120°.

In Tetrahedral geometry, the central atom and the side atoms makes a triangular prism like structure, the bond angle between side atoms is 109.5°.

To know more about Molecular Geometry, visit,

https://brainly.com/question/19354582

#SPJ4

Answer:

filtration

Explanation:

1.put the mixture in a beaker

2.add water to the beaker and stir to dissolve salt

3.filter using a filter paper to have sand as the residue

4.Evaporate the water to remain with salt crystals

The naturally occurring the element x exists in three isotopic forms. The average atomic weight of x 28.544 amu.

Given that :

x- 28, Abundance % = 67.14 % = 0.6714

The atomic mass = 27.343 amu

x-29, Abundance % = 10.50 % = 0.1050

The atomic mass = 28.889 amu

x- 32, Abundance %  = 22.36 % = 0.2236

The atomic mass = 31.993 amu

The average atomic weight = ( 27.343 × 0.6714 ) + ( 28.889 × 0.1050) +

                                                          ( 31.993 × 0.2236)

                                                 = 18.358 + 3.0333 + 7.153

                                                 = 28.544 amu

Thus, the average atomic weight of naturally occurring element x exists in three isotopic forms 28.544 amu.

To learn more about average atomic weight here

https://brainly.com/question/28013988

#SPJ4

The voltage of the cell is 0.331 V when the Cu(NO3)2(aq) concentration is 1.5 M.

The voltage of the cell can be determined based on the graph provided in the question if the concentration of Cu(NO3)2(aq) is 1.5 M. The graph represents a concentration cell consisting of two Cu(NO3)2 solutions of different concentrations.The half-reactions for the cell are as follows:Cu2+(aq) + 2e- → Cu(s) (oxidation)Cu2+(aq) + 2e- → Cu(s) (reduction)The concentration cell's potential is given by the Nernst equation:E = E° - (RT/nF)ln(Q)where E is the cell's potential, E° is the standard cell potential, R is the gas constant, T is the temperature, n is the number of electrons transferred, F is the Faraday constant, and Q is the reaction quotient.The standard cell potential E° for the concentration cell can be calculated from the half-cell potentials:E° = E°(reduction) - E°(oxidation)The half-cell potentials for Cu2+/Cu are known, and their values are:E°(Cu2+/Cu) = +0.34 VThe concentration cell's potential can be calculated using the Nernst equation:E = E° - (RT/nF)ln(Q)We can determine the reaction quotient Q from the concentrations of the Cu2+ ions in the two half-cells:Q = [Cu2+]higher/[Cu2+]lowerwhere [Cu2+]higher is the concentration of Cu2+ in the higher-concentration half-cell and [Cu2+]lower is the concentration of Cu2+ in the lower-concentration half-cell.The concentration of Cu(NO3)2(aq) is 1.5 M, so the concentration of Cu2+ ions in the higher-concentration half-cell is also 1.5 M. We don't know the concentration of Cu2+ ions in the lower-concentration half-cell, but we can determine it from the graph provided.In the graph, we can see that the potential difference between the two half-cells is 0.1 V when the concentrations of Cu2+ ions in the two half-cells are equal (i.e., when [Cu2+]higher = [Cu2+]lower). Since the concentration of Cu2+ ions in the higher-concentration half-cell is 1.5 M, the concentration of Cu2+ ions in the lower-concentration half-cell is 0.15 M (as shown on the graph).Now we can calculate the concentration cell's potential:E = E° - (RT/nF)ln(Q)E° = E°(Cu2+/Cu) = +0.34 Vn = 2 (because 2 electrons are transferred)T = 298 KE = +0.34 V - (0.0257 V/K)(ln(1.5/0.15)/2)E = +0.34 V - (0.0257 V/K)(ln(10)/2)E = +0.34 V - (0.0257 V/K)(0.693/2)E = +0.34 V - (0.0257 V/K)(0.3465)E = +0.34 V - 0.0089 VE = +0.331 V.

for such more questions on concentration

https://brainly.com/question/28564792

#SPJ8

The colors seen on the surface of gasoline are primarily the result of a phenomenon called thin-film interference. This occurs when light waves reflect off both the top and bottom surfaces of the thin gasoline layer, causing the reflected waves to interfere with each other.

The resulting chemical colors depend on the thickness of the gasoline film and the angle at which the light is observed.

The colors seen on the surface of gasoline are primarily the result of thin-film interference. When light enters the surface of gasoline, some of it is reflected off the top of the liquid, while some of it enters the liquid and reflects off the bottom surface of the liquid. These two waves of light can interfere with each other, causing some wavelengths of light to cancel out while others reinforce. This interference produces the characteristic rainbow-like colors seen on the surface of gasoline. The exact colors seen can depend on a variety of factors, including the thickness of the liquid, the angle of incidence of the light, and the composition of the gasoline.  

learn more about gasoline here

https://brainly.com/question/6967896

#SPJ11

There are several methods for producing nitric acid from nitrogen, but two common methods are:

1. Ostwald process:

4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g)

2 NO(g) + O2(g) → 2 NO2(g)

3 NO2(g) + H2O(l) → HNO3(aq) + HNO2(aq)

Overall equation:

4 NH3(g) + 3 O2(g) + H2O(l) → 2 HNO3(aq) + 2 NO(g)

2. Birkeland-Eyde process:

N2(g) + 3 H2(g) → 2 NH3(g)

2 NH3(g) + 3 O2(g) → 2 NO(g) + 3 H2O(g)

2 NO(g) + O2(g) → 2 NO2(g)

3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)

Overall equation:

N2(g) + 3 O2(g) + 3 H2(g) → 2 HNO3(aq)

The total number of electrons being shared in the single bonds between hydrogen and oxygen atoms in H₂O is 2 pairs or 4 electrons.

In the compound H₂O, which represents a molecule of water, there are two single bonds between the hydrogen (H) and oxygen (O) atoms. Each single bond consists of a pair of electrons being shared between the bonded atoms.

Since there are two single bonds in H₂O, there are a total of two pairs of electrons being shared. Therefore, the total number of electrons being shared in the single bonds between hydrogen and oxygen atoms in H₂O is 2 pairs or 4 electrons.

Learn more about Water from the link given below.

https://brainly.com/question/28465561

#SPJ4

Answer:

Explanation:

given,

velocity = 5m\s

mass = 50kg

kinetic energy = ?

therefore, we know that,

kinetic energy = 1\2 * mass * velocity^2

                        = 1\2 * 50* 5 ^ 2

                        = 1\2 * 50* 25

                         = 1\2 * 1250

                         = 625

therefore, kinetic energy is 625

HOPE IT HELPED :D

Answer:

The following is the correct match:  

1. Luster refers to how the reflection of the light takes place from a mineral.  

2. Cleavage signifies a manner in which the dissociation of a mineral occurs at the time of stress.  

3. Streak helps in the identification of a true and natural color of a mineral.  

4. Color is the least reliable characteristic of determination.  

5. Hardness is determined with the application of the Mohs scale.  

The molecular formula of the compound with the given 1H NMR spectrum is C8H7ClO.

Based on the spectrum, we can observe five peaks in the range of δ 6.5-8.0 ppm, indicating the presence of five different types of protons. The peak at δ 7.5 ppm indicates the presence of an aromatic proton. Moreover, the peak at δ 4.5 ppm suggests the presence of a proton next to a carbonyl group, and the peak at δ 2.5 ppm suggests the presence of a methyl group.
By combining this information, we can deduce that the compound is 2-chlorobenzaldehyde, which has an aldehyde group at the end of the benzene ring and a chlorine atom attached to the ring. This structure satisfies the molecular formula and the observed 1H NMR spectrum.

In conclusion, the compound with the molecular formula C8H7ClO and the 1H NMR spectrum shown above is 2-chlorobenzaldehyde. This compound contains an aldehyde group at the end of the benzene ring and a chlorine atom attached to the ring.

To know more about molecular formula visit:

https://brainly.com/question/13058832

#SPJ11

The specific composition of oil-based paint can vary depending on the brand and formulation.

Oil-based paint typically consists of three main components: pigments, binders, and solvents. The pigments provide the color and opacity to the paint, while the binders are responsible for holding the pigment particles together and adhering them to the painted surface. The solvents help to adjust the paint's consistency and facilitate its application.

The binder in oil-based paint is commonly a natural oil, such as linseed oil or tung oil. These oils are composed of fatty acid molecules, which contain a long carbon chain with a carboxyl group (-COOH) at one end. The carboxyl group can react with oxygen in a process called oxidation, forming a cross-linked network of molecules that harden over time, creating a durable paint film.

The solvents in oil-based paint are typically organic compounds, such as mineral spirits or turpentine. These solvents dissolve the binder and pigments, making the paint flowable and easy to apply. As the solvent evaporates, the paint gradually dries and the binder undergoes the oxidation process, resulting in the formation of a solid paint film.

To know more about composition refer here

https://brainly.com/question/32502695#

#SPJ11

CIF will tend to increase as the reaction proceeds toward equilibrium.

Given that Kp is equal to 20 at 2500 K, we can calculate the initial concentrations of CIF using the ideal gas law. Let's assume the initial volume is 1 liter for simplicity.

For Cl2:

P(Cl2) = 0.18 atm

n(Cl2) = P(Cl2) * V / (RT) = 0.18 mol

For F2:

P(F2) = 0.31 atm

n(F2) = P(F2) * V / (RT) = 0.31 mol

For CIF:

P(CIF) = 0.92 atm

n(CIF) = P(CIF) * V / (RT) = 0.92 mol

Based on the balanced equation, for every 1 mole of CIF, 1 mole of Cl2 and 1 mole of F2 are consumed. Therefore, the initial moles of CIF are equal to the initial moles of Cl2 and F2.

Since the initial concentrations of CIF, Cl2, and F2 are the same, and the reaction is not at equilibrium, we can conclude that CIF will tend to increase as the reaction proceeds toward equilibrium. This is because the reaction favors the formation of CIF, as indicated by the value of Kp. As CIF forms, the concentrations of Cl2 and F2 decrease, driving the reaction in the forward direction to restore equilibrium.

for more questions on CIF
https://brainly.com/question/28297792
#SPJ8

Using the change of base rule to find the logarithm to four decimal places. the correct answer is 11.4235.

To find the logarithm of 143.2 using the change of base rule, we can choose any base we prefer. Let's use base 10 and natural logarithm (base e) for this calculation.

First, we'll use the change of base formula, which states that log(base b) x = log(base c) x / log(base c) b. In this case, we'll calculate log(base 10) 143.2.

We'll use the natural logarithm (ln) as our intermediary step. The natural logarithm of 143.2 can be calculated as ln(143.2).

Using a calculator, we find that ln(143.2) is approximately 4.9628.

Next, we need to calculate log(base 10) e, which is the logarithm of e with base 10. Using a calculator, we find log(base 10) e is approximately 0.4343.

Finally, we apply the change of base formula:

log(base 10) 143.2 ≈ ln(143.2) / log(base 10) e
                ≈ 4.9628 / 0.4343
                ≈ 11.4235

Rounding to four decimal places, the logarithm of 143.2 using base 10 is approximately 11.4235.

Learn more about logarithm here :-

https://brainly.com/question/30226560

#SPJ11

Answer:

56) 5,722 mL

57) 750 meters

58) 88 km/hr

59) 88 km/? (I can't give you a complete answer if there's no other unit)

60) 5,169g

61) 53.1m/sec

Explanation:

When you are doing sig figs you do its operations normally. However the way you round depes on the operation;

When you are adding or subtracting sig figs you round to the least number of decimal places. In the case where there is no decimal place keep it the same

When you are multiplying or diving sig figs you round to the least amount of sig figs

The work is in the picture