the disk-shaped head of a pin is 1.0 mm in diameter. which of the following is the best estimate of the number of atoms in the layer of atoms on the top surface of the pinhead?
A. 10^14
B. 10^29
C. 10^61

Answers

Answer 1

The disk-shaped head of a pin has a diameter of 1.0 mm. We need to estimate the number of atoms on the top surface of the pinhead. The best estimate of the number of atoms in the layer of atoms on the top surface of the pinhead is 1.0 x 10¹⁴ atoms, which is option A. 10¹⁴.

The area of a circle is given by the formula A=πr², where "r" is the radius of the circle and π is pi. If the diameter of the pin is 1.0 mm, then the radius is 0.5 mm.Therefore, the area of the top surface of the pinhead is:A = π(0.5 mm)² = 0.785 mm²The number of atoms on the surface of the pin can be estimated by using the density of the material from which it is made and the atomic weight of the atoms in the material. Let's assume that the pinhead is made of copper, which has a density of 8.96 g/cm³.

The mass of the top surface of the pinhead can be calculated as follows:

mass = density × volume

= 8.96 g/cm³ × 0.785 mm² × (1 cm / 10 mm)²

= 5.57 × 10⁻⁸ g

The atomic mass of copper is 63.55 g/mol. This means that one mole of copper has a mass of 63.55 g, and contains Avogadro's number (6.02 × 10²³) of atoms.

Therefore, the number of atoms in the layer of atoms on the top surface of the pinhead is:(5.57 × 10⁻⁸ g) / (63.55 g/mol) × (6.02 × 10²³ atoms/mol) = 5.87 × 10¹⁴ atoms

Therefore, the best estimate of the number of atoms in the layer of atoms on the top surface of the pinhead is 1.0 x 10¹⁴ atoms, which is option A. 10¹⁴.

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Related Questions

what is the oxidizing agent in the redox reaction represented by the following cell notation? fe(s) | fe3 (aq) || cl2(g) | cl-(aq) | pt

Answers

In the given redox reaction, Fe^3+(aq) is the oxidizing agent.

In the given cell notation, the redox reaction involves the transfer of electrons between different species.

To determine the oxidizing agent, we need to identify the species that undergoes reduction, as the oxidizing agent is the species that gets reduced.

The cell notation is as follows:

\(Fe(s) | Fe^3+(aq) || Cl2(g) | Cl^-(aq) | Pt\)

In this notation, the vertical lines represent a phase boundary, and the double vertical line (||) represents a salt bridge or a porous barrier that allows ion flow while preventing the intermixing of the two half-cells.

The half-reactions can be written as follows:

Reduction half-reaction:

\(2Cl^-(aq) + 2e^- \rightarrow Cl2(g)\)

Oxidation half-reaction:

\(Fe(s) \rightarrow Fe^{3+}(aq) + 3e^−\)

From the half-reactions, we can see that Cl^-(aq) is gaining two electrons to form Cl2(g), indicating reduction.

Thus, Cl^-(aq) is the species being reduced, and the oxidizing agent is Fe^3+(aq). Fe^3+(aq) is causing the reduction of Cl^-(aq) by accepting three electrons in the process.

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which substance will form a solution when mixed with liquid benzene (c6h6)

Answers

Answer: \(I_{2} (l)\)

Explanation: Because C 6 H 6 is nonpolar substance and I 2 is also nonpolar compound

According to the concept of solubility,iodine  will form a solution when mixed with liquid benzene  as both are non-polar substances.

What is solubility?

Solubility is defined as the ability of a substance which is basically solute to form a solution with another substance. There is an extent to which a substance is soluble in a particular solvent. This is generally measured as the concentration of a solute present in a saturated solution.

The solubility mainly depends on the composition of solute and solvent ,its pH and presence of other dissolved substance. It is also dependent on temperature and pressure which is maintained.Concept of solubility is not valid for chemical reactions which are irreversible. The dependency of solubility on various factors is due to interactions between the particles, molecule or ions.

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Each cell has a membrane. This is a thin layer that surrounds it. It keeps the inside and outside of the cell separate. What does the word "surrounds" mean? A fully supports B stands alone C pulls apart D totally covers

Answers

Answer:

D

Explanation:

Cell membrane, also called plasma membrane, thin membrane that surrounds every living cell, delimiting the cell from the environment around it.

The answer would be D

write the skeleton equation. When solid lithium hydroxide (LiOH) pellets are added to a solution of sulfuric acid (H2SO4), lithium sulfate (Li2SO4) and water are formed

Answers

The balanced chemical equation for the reaction described is:

\(2 LiOH _{(s)}+ H_2SO_4_{(aq)} - > Li_2SO_4_{(aq)} + 2 H_2O_{(l)}\)

This equation shows that two moles of solid lithium hydroxide (LiOH) react with one mole of sulfuric acid to produce one mole of lithium sulfate and two moles of water.

An aqueous solution of sulfuric acid and solid lithium hydroxide pellets undergoes a chemical reaction that is represented by the above equation. Lithium sulfate and water are the results of the process.

The balanced equation's coefficients show the reaction's stoichiometry. One mole of lithium sulfate and two moles of water are created when two moles of lithium hydroxide combine with one mole of sulfuric acid. In terms of the number of moles, this indicates that the ratio of the reactants and products is 2:1:1:2, respectively.

The law of conservation of mass, which dictates that the sum of the masses of the reactants and products must be equal, is likewise observed by the balanced equation. This is accomplished by guaranteeing that each element has the same amount of atoms.

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Arrange the organic compounds from most soluble in water to least soluble in water: Most soluble in water Least = soluble in water...

Answers

Alcohol is more soluble in water than ether. And CH4 is non polar. So, CH4 will be almost insoluble water.

CH3OH - most soluble

CH3-O-CH3 - second

CH4 - least soluble.

Solubility is defined as the maximum amount of a substance that will dissolve in a specified amount of solvent at a specified temperature. Solubility is a characteristic property of a particular solute/solvent combination, and different substances have very different solubilities.

Solubility can be expressed in grams of solute in one liter of saturated solution. For example, the solubility in water at 25 oC is 12 g/L. Molar solubility is the number of moles of solute per liter of saturated solution. For example, 0.115 mol/L at 25 oC

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1. A gas takes up a volume of 10 ml, has a pressure of 6 atm, and a temperature of 100 K. What is the new volume of the gas at stp?



2. The gas in an aerosol can is under a pressure of 8 atm at a temperature of 45 C. It is dangerous to dispose of an aerosol can by incineration. (V constant)What would the pressure in the aerosol can be at a temperature of 60 C ?



3. A sample of nitrogen occupies a volume of 600mL at 20 C. What volume will it occupy at STP?(P constant)

Answers

The new volume of the gas at STP is 163.8 mL. The pressure in the aerosol can at a temperature of 60 C is 8.4 atm. The volume of nitrogen at STP is 558.8 mL.

1. To solve for the new volume of the gas at STP, we can use the combined gas law equation:

(P1 x V1)/T1 = (P2 x V2)/T2

where P1, V1, and T1 are the initial pressure, volume, and temperature, respectively, and P2 and T2 are the new pressure and temperature, respectively, at STP. We know that STP is defined as 1 atm and 273 K.

Plugging in the given values, we get:

(6 atm x 10 mL)/100 K = (1 atm x V2)/273 K

Simplifying and solving for V2, we get:

V2 = (6 atm x 10 mL x 273 K)/(100 K x 1 atm) = 163.8 mL

Therefore, the new volume of the gas at STP is 163.8 mL.

2.To solve for the pressure in the aerosol can at a temperature of 60 C, we can use the combined gas law equation again:

(P1 x V1)/T1 = (P2 x V2)/T2

where P1, V1, and T1 are the initial pressure, volume, and temperature, respectively, and P2 and T2 are the new pressure and temperature, respectively, at 60 C. We know that V1 is constant since the can is sealed.

Plugging in the given values, we get:

(8 atm x V1)/318 K = (P2 x V1)/333 K

Simplifying and solving for P2, we get:

P2 = (8 atm x 333 K)/(318 K) = 8.4 atm

Therefore, the pressure in the aerosol can at a temperature of 60 C is 8.4 atm.

3. To solve for the volume of nitrogen at STP, we can use the combined gas law equation again:

(P1 x V1)/T1 = (P2 x V2)/T2

where P1, V1, and T1 are the initial pressure, volume, and temperature, respectively, and P2 and T2 are the new pressure and temperature, respectively, at STP. We know that P1 is constant since it is given that the pressure is constant.

Plugging in the given values and using the values for STP, we get:

(1 atm x 600 mL)/(293 K) = (P2 x V2)/(273 K)

Simplifying and solving for V2, we get:

V2 = (1 atm x 600 mL x 273 K)/(293 K) = 558.8 mL

Therefore, the volume of nitrogen at STP is 558.8 mL.

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A weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has
what volume at -40.0 °C assuming pressure is held constant?

Answers

Answer:

17.1 Liters

Explanation:

It's a gas law question (more specifically a Charles's Law question). Formula is V1/T1 = V2/T2. You're given V1 and T1 and T2. However, in order to use the equation, temperature needs to be in Kelvins (by subtracting the degrees C from 273) for the numbers to work (among other reasons, the 0 degrees C will always give you an answer of zero or undefined). Placing all temps in kelvins makes the answers come out right. So 20L/273K = xL/233K gives you the answer when you cross-multiply.

Considering the Charles's law, a weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has  17.07 L at -40.0 °C, assuming pressure is held constant.

The gas laws are a set of chemical and physical laws that allow determining the behavior of gases in a closed system. The parameters evaluated in these laws are pressure, volume, temperature and moles.

Charles's law is one of the gas laws. It relates the volume and the temperature of a certain quantity of ideal gas, kept at a constant pressure.

This law states that, at constant pressure, the volume of a gas is directly  proportional to its temperature. In other words, for a given sum of gas at constant pressure, as the temperature increases, the volume of the gas increases, and as the temperature decreases, the volume of the gas decreases.

Mathematically, Charles's law says that the quotient that exists between the volume and the temperature will always have the same value:

\(\frac{V}{T}=k\)

Being an initial state 1 and a final state 2, it is true:

\(\frac{V1}{T1}=\frac{V2}{T2}\)

In this case, you know:

V1= 20 LT1= 0 C=273 KV2= ?T2= -40 C= 233 K

Replacing:

\(\frac{20 L}{273 K}=\frac{V2}{233 K}\)

Solving:

\(V2=233 K x\frac{20 L}{273 K}\)

V2=17.07 L

Finally, a weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has  17.07 L at -40.0 °C, assuming pressure is held constant.

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Write in which of these processes heat is absorbed or releases heat.
1. When candle wax melts
2. When the orange juice solidifies
3. When clouds form.
4. When dew drops are formed
5. When the snowflakes form​

Answers

Answer: All the processes involve the release of heat.

Explanation: Note to self

Condensation, freezing and deposition release energy.

Evaporation, melting and sublimation absorb energy.

So if you have such a question first identify which process is taking place.

1. Does warm air rise or sink? Does cold air rise or sink?

2. Air pressure can be high or low. Does air flow from low to high pressure or from high to low pressure?

3. Which is heavier—warm air or cold air?

4. Which has higher air pressure—warm air or cold air? How do you know?

5. Global circulation cells occur because of uneven heat distribution and the earth's rotation. What do we call the effect of the earth's rotation on air circulation?

Answers

Answer:

1. Hot air rises and cold air descends for exactly the same reason

Matter are anything that is made up of atoms. The quantity of matter can be seen only on the basis of mass and volume calculation. Therefore, warm air rise and cold air sink.

What is matter?

Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science.

Matter is anything that is made up of atoms. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter.

Warm air rises while cold air descends. This is because hotter air takes more energy than cooler air. Furthermore, hot and cold temperatures are precisely proportionate to their density. As a result, when it's really hot, the hotter air is more likely to rise than when it's very cold.

Therefore, warm air rise and cold air sink.

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Balance the equation C4H8 (g) + ?O2(g) → ? CO2 (g) + ? H2O (g), using the smallest possible integers. What is the coefficient of CO2? ​

Answers

the coefficients should be 1; 6; 4; 4 and the coefficient of CO2 is 4

What levels of protein structure would be affected if all hydrogen bonding interactions were prevented?.

Answers

The levels of protein structure would be affected if all hydrogen bonding interactions were prevented are primary, secondary, tertiary, and quarternary structures.

There are 4 levels of protein structures:

Primary structures: Protein primary structure is the linear sequence of amino acids in a peptide or protein.

secondary structures: Protein secondary structure is the three-dimensional form of local segments of proteins.

tertiary structures: Protein tertiary structure is due to interactions between R groups in the protein.

quarternary structures: Protein quaternary structure is the fourth classification level of protein structure.

The levels of protein structure would be affected if all hydrogen bonding interactions were prevented are primary, secondary, tertiary, and quarternary structures.

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put some ice in a clean glass. examine it every 3 minutes for half oan hour . DIscribe what happens to the ice​

Answers

Answer:

the ice starts melting and turns into water

the ice would start melting more and more and at the end it would result into being water

How many molecules are in each of the following?Part A 6.4 g H2O Express your answer using two significant figures.412 g CBr4 Express your answer using three significant figures.20.5 g O2 Express your answer using three significant figures20.4 g C8H10 Express your answer using three significant figures.

Answers

Number of moles present in H₂O is measured as 0.3555 moles and moles of  CBr₄ is 1.24 moles

mole of any substance = 1 avogadro's number = 6.023 x 10²³ molecules

1) No.of moles of H₂O

                           = 6.4/18

                         = 0.3555 moles

no. of molecules in 0.3555 moles of water

                    = 0.3555 x 6.023 x 10²³

                          = 2.14x 10²³ molecules of H₂O

2) no.of moles of CBr₄

                           = 412/331.63

                                 = 1.24 moles

no. of molecules present in 1.24 moles of CBr₄ = 1.24 x 6.023 x 10²³ =                7.48 x 10²³ molecules

3) no. of moles of O₂

                           = 20.5/32

                          = 0.6406 moles

no. of molecules present in 0.6406 moles of O₂

                         = 0.6406 x 6.023 x 10²³

                           = 3.86 x 10²³ molecules

4) no. of moles of C₈H₁₀

                            = 20.4/106.16

                            = 0.1921 moles

molecules present in 0.1921 moles of O₂

                                   = 0.1921 x 6.023 x 10²³

                                  = 1.16 x 10²³ molecules

Mole concept:

A substance's mole is equivalent to 6.022 × 10²³ units, such as atoms, molecules, or ions. The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's steady. The idea of the mole can be utilized to change over among mass and number of particles..

What is Avogadro's number utilized for?

One of chemistry's fundamental constants is the Avogadro number. When a similar number of atoms or molecules are being compared, it makes it possible to compare the various atoms or molecules of a given substance.

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The energy necessary for photosynthesis to take place is provided by

Question 3 options:

The sunlight


The oxygen in the air


The electricity in our homes


The heat in the soil

Answers

Answer:

The Sunlight

Oxegyn

Heat in soi

Explanation:

Answer:

sun, air, and heat.

Explanation:

hope this helps!

Calculate the number of moles of h2so4 in 500 cm3 of a solution that has a density of 1.50 m/cm3 and contains 60.0% h2so4. what is the molarity of this solution?

Answers

The number of moles of H2SO4 in 500 cm3 of the solution is 6.52 moles. To calculate the number of moles of H2SO4 in the given solution, we first need to find the mass of the H2SO4 present in it. We can do this by using the density of the solution and the volume of the solution.

to calculate the number of moles of H2SO4 in the given solution, we used the density of the solution and the percentage of H2SO4 to find the mass of H2SO4 present. Then, we used the molar mass of H2SO4 to calculate the number of moles of H2SO4 in 1000 cm3 of the solution, which we adjusted for the given volume of 500 cm3 to get the we used the number of moles and the volume of the solution to calculate the molarity of the solution

To find the molarity divide the number of moles of H2SO4 by the volume of the solution in liters Volume in liters = 500 cm3 × (1 L / 1000 cm3) = 0.5 L Molarity = Moles / Volume = 4.59 mol / 0.5 L = 9.18 M  there are 4.59 moles of H2SO4 in 500 cm3 of the solution, and the molarity of the solution is 9.18 M .

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A compound has an empirical formula of
CH20. What is its molecular formula, if its
molar mass is 180 g/mol?
(C=12.01 amu, H=1.008 amu, O=16.00 amu)

Answers

Answer:

C6H12O6

Explanation:

Molar mass of empirical formula:

12.01+2*1.008+16=30.026

Divide molar mass of molecular formula by 30.026

180/30=~6

Scale up the empirical formula by a factor of 6.

C6H12O2 (glucose)

Answer:

C6H12O2

Explanation:

Scale up the empirical formula by a factor of 6.

C6H12O2 (glucose)

Determine whether the solutions formed by each salt will be acidic, basic, or neutral with Explanations!: NaHCO3, CH3CH2NH3Cl, KNO3, Fe(NO3)3

Answers

The solutions formed by NaHCO₃, CH₃CH₂NH₃Cl, KNO₃, and Fe(NO₃)₃ salts can be classified as follows: NaHCO₃ will be weakly basic, CH₃CH₂NH₃Cl will be acidic, KNO₃ will be neutral, and Fe(NO₃)₃ will be acidic.

1. NaHCO₃: Sodium bicarbonate, NaHCO₃, is a weak base. When dissolved in water, it forms Na⁺ ions and HCO₃⁻ ions. The presence of HCO₃⁻ ions, which can accept protons, makes the solution weakly basic.

2. CH₃CH₂NH₃Cl: This compound is ethylammonium chloride, which is a salt of a weak base (ethylamine, CH₃CH₂NH₂) and a strong acid (HCl). Ethylamine is a weak base, and when it forms a salt with a strong acid, the resulting solution will be acidic. The chloride ion does not significantly affect the pH.

3. KNO₃: Potassium nitrate, KNO₃, is a salt of a strong base (KOH) and a strong acid (HNO₃). Since both the cation (K⁺) and anion (NO₃⁻) do not affect the pH when dissolved in water, the solution will be neutral.

4. Fe(NO₃)₃: Iron(III) nitrate, Fe(NO₃)₃, is a salt of a strong acid (HNO₃) and a weak base (Fe(OH)₃). The presence of the Fe³⁺ cation can hydrolyze water molecules, releasing H⁺ ions and making the solution acidic.

In summary, NaHCO₃ will be weakly basic, CH₃CH₂NH₃Cl will be acidic, KNO₃ will be neutral, and Fe(NO₃)₃ will be acidic when dissolved in water.

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Bombardment of uranium-238 with a deuteron (hydrogen-2) generates neptunium-237 and __________ neutrons.
a. 1
b. 2
c. 3
d. 4
e. 5

Answers

Bombardment of uranium-238 with a deuteron (hydrogen-2) generates neptunium-237 and 3 neutrons.

What is a neutron?

With the sign n or n0, the neutron is a subatomic particle with a neutral charge and slightly more mass than a proton. It is made up of two down quarks and one up quark as a composite particle. Atomic nuclei are  mainly composed of neutrons & protons.

They are both referred to as nucleons because protons and neutrons exhibit comparable behaviors inside the nucleus and have masses of around one atomic mass unit apiece. Nuclear physics describes these objects' characteristics and interactions.

The arrangement of electrons in orbit around an atom's heavy nucleus is a major factor in determining its chemical characteristics. The charge of the nucleus, or atomic number, which determines the number of protons, or protons, determines the electron configuration.

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What is the source of carbon in a glucose molecule produced by photosynthesis?

Answers

Answer:

The source of carbon in a glucose molecule produced by photosynthesis is carbon dioxide

how an eruption of a volcano

Answers

Deep within the Earth it is so hot that some rocks slowly melt and become a thick flowing substance called magma. Since it is lighter than the solid rock around it, magma rises and collects in magma chambers. Eventually, some of the magma pushes through vents and fissures to the Earth's surface. Magma that has erupted is called lava.

calculate the amount of F.A.S required to prepare 1000 ml of 0.1 molar standard solution of F.A.S

Answers

Answer:

Preparation and Standardization of 0.1 M Ferrous Ammonium...

Dissolve 40 g of ferrous ammonium sulfate in a previously cooled mixture of 40 ml of sulphuric acid and 200 ml of water.

Dilute with sufficient freshly boiled and cooled water to produce 1000 ml.

Standardize the solution in the following manner.

Explanation:

Question 3 of 10
What is the pOH of a solution with [OH] = 9.0 × 107?
O A. 7.95
OB. 6.04
O C. -7.00
OD. 9.54

Answers

The pOH of a solution with [OH] = 9.0 × 107 will be D (6.04).

What is ph value?

A ph value is the measure of acidity and the basics of a substance or solution.

Given;

[OH] = 9.0 × 10^7

pOH = - log [OH⁻]

pOH = - log (9.0 x 10⁻⁷)

pOH = 6.0457

Hence, The pOH of a solution with [OH] = 9.0 × 107 will be D (6.04).

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Which of these statements describes a chemical property?

Which of these statements describes a chemical property?

Answers

Answer:

it rusts when exposed to air

Answer:

A

Explanation:

The end point in a titration of a 50. 00-mL sample of aqueous HCl was reached by
addition of 35. 23 mL of 0. 250 M NaOH titrant. The titration reaction is:
HCl (aq) + NaOH (aq)
HCl(aq)+NaOH(aq)→NaCl(aq)+H2O(l)
What is the molarity of the HCl?

Answers

Therefore, the molarity of HCl in the solution is 0.176 M.

To determine the molarity of HCl in the solution, we can use the balanced chemical equation and the stoichiometry of the reaction.

The balanced chemical equation is:

HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

From the equation, we can see that the mole ratio between HCl and NaOH is 1:1. This means that for every 1 mole of NaOH used, 1 mole of HCl reacts.

Given that 35.23 mL of 0.250 M NaOH was used, we can calculate the number of moles of NaOH used:

moles of NaOH = volume (L) × concentration (M)

moles of NaOH = 0.03523 L × 0.250 mol/L

moles of NaOH = 0.0088075 mol

Since the mole ratio between HCl and NaOH is 1:1, the number of moles of HCl in the solution is also 0.0088075 mol.

Now, we can calculate the molarity of HCl:

molarity of HCl = moles of HCl / volume of HCl (L)

molarity of HCl = 0.0088075 mol / 0.05000 L

molarity of HCl = 0.176 M

Therefore, the molarity of HCl in the solution is 0.176 M.

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PLEASE HELPPPPPP?????

PLEASE HELPPPPPP?????

Answers

Position 4

Potential energy means all the energy stored up so with that being said it’s the tallest one

Which of the following could possibly be true about a strong acid? (Check all that apply:).
It will completely dissociate (break apart) when dissolved in water.
It could have a pH of 6
It could have a pH of 13
Only a few of the acid molecules will dissociate (break apart).
It could have a pH of 2.
It could have a pH of 9

Which of the following could possibly be true about a strong acid? (Check all that apply:).It will completely

Answers

Answer:

it could have a pH of 2 it will completely dissociate when dissolved in water

Which of the following elements will most likely not form an ion at all?
Br
Na
O
Ar
Mg

Answers

Answer:

О

because it has the fewest number of electrons

Can somebody plz help answer these questions correctly thanks!!! :D (doesn’t have to be long) :3

WILL MARK BRAINLIEST WHOEVER ANSWERS THIS FIRST :DD

Can somebody plz help answer these questions correctly thanks!!! :D (doesnt have to be long) :3WILL MARK

Answers

wind power is:- Wind power or wind energy is the use of wind to provide mechanical power through wind turbines to turn electric generators for electrical power. Wind power is a popular sustainable, renewable source of power that has a much smaller impact on the environment compared to burning fossil fuels

it's work :-Wind turbines work on a simple principle: instead of using electricity to make wind—like a fan—wind turbines use wind to make electricity. Wind turns the propeller-like blades of a turbine around a rotor, which spins a generator, which creates electricity.

Disadvantages:-

The wind is inconsistent. ...

Wind turbines involve high upfront capital investment. ...

Wind turbines have a visual impact. ...

May reduce the local bird population. ...

Wind turbines are prone to noise disturbances. ...

Installation can take up a significant portion of land. ...

Wind turbines can be a safety hazard

Advantages:-

Wind power is cost-effective. ...

Wind creates jobs. ...

Wind enables U.S. industry growth and U.S. competitiveness. ...

It's a clean fuel source. ...

Wind is a domestic source of energy. ...

It's sustainable. ...

Wind turbines can be built on existing farms or ranches.

a sealed rigid vessel contains bao2(s) in equilibrium with bao(s) and o2(g) as represented by the equation above. which of the following changes will increase the amount of bao2(s) in the vessel?

Answers

In this case , Removing a small amount of BaO will increase the amount of bao2(s) in the vessel.

What do you mean by Barium oxide ?

Barium oxide , BaO.  Barium oxide is found to be white and is non-flammable. It is mostly used  in cathode ray tubes, catalysts, crown glass, and solvent-killing agents because of its cubic structure. Sir Humphry Davy was known as the discovered. Barium oxide has a total monoisotopic mass of 153.9 g/mol.

Uses of Barium oxide is used in the isomer separation process.

It is widely used in the production of fuel and as a reducing agent.It is a fantastic oxidising agent.

Hence, In this case , Removing a small amount of BaO will increase the amount of bao2(s) in the vessel.

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Explain biomass combustion and energy recovery using grate
furnace or fluidized bed systems

Answers

Biomass combustion is referred to as a process in which organic materials are burnt and their remains are used to produce energy.

The process of combustion is very simple it refers to the burning of biomass which include wood, farm waste, and crops which are further used to produce or generate energy in the form of electricity and also heat, it can be termed as renewable energy that utilized the energy of biomass to produce another form of energy.

The Grate furnace method is one of the common methods used for biomass combustion and comprises several steps for the recovery of energy.    

The first step consists of drying up the biomass by removing all the moisture using heat. The next step includes the production of flames and heat by combusting hydrogen present in it. After that, the remaining solid waste will undergo combustion in the presence of oxygen.

The last step includes the disposal of ash which gets accumulated due to incombustible materials like sand.

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