What type of reaction would NI3+ ->lead to?

The mathematical expression for h is v²/(2g) which is based on conservation of energy and the correct option is option B.

The law of conservation of energy states that energy can neither be created nor be destroyed. Although, it may be transformed from one form to another.

Example, when a fruit is falling to the bottom, potential energy is getting converted into kinetic energy.

Conservation of energy implies

KEinitial = PEfinal

mv²/2 = mgh

therefore, h = v²/2g.

Thus, the ideal selection is option B.

Learn more about Conservation of energy, here:

https://brainly.com/question/13949051

#SPJ4

Answer:

The periodic table is a set of elements organized by their atomic number, from lowest (hydrogen 1) to highest (oganesson 118). That number is the amount of protons in the nucleus of an atom of the element. The table is split into three groups of elements (metals, nonmetals and metalloids). As you go down the table the elements are more reactive.

Explanation:

^^

Answer: I'm not sure but I thinks its  C

Explanation:

1/4  temperature must give Mass of nitrogen at 0°c heated so that both it volume and pressure will be double.​

To double both the volume and pressure of a given mass of nitrogen at 0°C, we can utilize the combined gas law, which relates the initial and final states of a gas. The combined gas law is expressed as:

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

Where P1 and P2 are the initial and final pressures, V1 and V2 are the initial and final volumes, and T1 and T2 are the initial and final temperatures.

Since we want to double both the volume and pressure, we can set P2 = 2P1 and V2 = 2V1. Plugging these values into the combined gas law equation, we get:

(2P1 * 2V1) / T1 = P1 * V1 / T2

Simplifying the equation, we find:

4P1V1 = P1V1 / T2

Cancelling out the common terms, we have:

4 = 1 / T2

Rearranging the equation, we find:

T2 = 1 / 4

Therefore, to double both the volume and pressure of the given mass of nitrogen at 0°C, it must be heated to a temperature of 1/4 or 0.25 times its initial temperature.

Know more about combined gas law here:

https://brainly.com/question/13154969

#SPJ8

Explanation:

Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.

Ref www.nal.usda.gov

Answer:

C₂H6

Explanation:

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). Option A

A hydrocarbon is a compound that consists of only carbon and hydrogen atoms. It is important to identify the formula that represents a hydrocarbon among the given options:

A) C₂H6: This formula represents ethane, which is a hydrocarbon. Ethane consists of two carbon atoms bonded together with single bonds and six hydrogen atoms.

B) C₂H5OH: This formula represents ethanol, which is not a hydrocarbon. Ethanol contains a hydroxyl group (-OH), indicating the presence of oxygen in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

C) C₂H5Cl: This formula represents ethyl chloride, which is not a hydrocarbon. Ethyl chloride contains a chlorine atom (Cl) in addition to carbon and hydrogen atoms. It is a haloalkane, not a hydrocarbon.

D) C₂H6O: This formula represents ethanol, which, as mentioned before, is not a hydrocarbon. Ethanol contains an oxygen atom (O) in addition to carbon and hydrogen atoms. It is an alcohol, not a hydrocarbon.

Among the given options, the formula A) C₂H6 represents a hydrocarbon (specifically, ethane). It consists only of carbon and hydrogen atoms, making it a suitable representation of a hydrocarbon.

In summary, the formula C₂H6 (option A) represents a hydrocarbon, while the other options contain additional elements (oxygen or chlorine) that make them non-hydrocarbon compounds. Option A

For more such questions on hydrocarbon visit:

https://brainly.com/question/21281906

#SPJ8

Answer: Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment. A mutation is an alteration of the DNA sequence.

At 25°C, the concentration of hydronium ions (H3O+) and hydroxide ions (OH-) in water are interrelated through the concept of pH. pH is a logarithmic scale that represents the concentration of hydronium ions in a solution.

The conversion between hydronium and hydroxide concentrations involves the use of the ion product of water (Kw) and the pH equation. At 25°C, the concentration of hydronium ions (H3O+) and hydroxide ions (OH-) in water are related by the ion product of water (Kw). The ion product of water is a constant value at a given temperature and is equal to the concentration of hydronium ions multiplied by the concentration of hydroxide ions in pure water. At 25°C, Kw has a value of \(1.0 \times 10^{-14} mol^2/L^2\).

The pH scale is used to quantify the concentration of hydronium ions in a solution. It is a logarithmic scale, ranging from 0 to 14, where pH 7 represents a neutral solution (equal concentrations of H3O+ and OH- ions). In acidic solutions, the concentration of hydronium ions is higher than that of hydroxide ions, resulting in a pH value less than 7. In basic solutions, the concentration of hydroxide ions is higher than that of hydronium ions, resulting in a pH value greater than 7.

To convert between hydronium and hydroxide concentrations, the pH equation can be used. The pH is calculated as the negative logarithm (base 10) of the hydronium ion concentration: pH = -log[H3O+]. By rearranging the equation, the concentration of hydronium ions can be calculated from the pH: \([H3O+] = 10^{-pH}\). Similarly, the concentration of hydroxide ions can be determined using the equation [OH-] = Kw / [H3O+]. Thus, knowing the pH allows for the determination of hydronium and hydroxide ion concentrations and their interconversion.

To learn more about hydronium ions refer:

https://brainly.com/question/1010884

#SPJ11

The mass percentage of water in the hydrate CuSO4 · 5H2O is approximately 36.06%.

The hydrate CuSO4 · 5H2O consists of copper sulfate (CuSO4) molecules combined with water molecules (H2O). To determine the mass percentage of water in the hydrate, we need to calculate the mass of water and the total mass of the hydrate. First, let's calculate the molar mass of CuSO4 and H2O. The molar mass of CuSO4 is:

1 atom of copper (Cu) with a molar mass of 63.55 g/mol

1 atom of sulfur (S) with a molar mass of 32.07 g/mol

4 atoms of oxygen (O) with a molar mass of 16.00 g/mol each

Total molar mass of CuSO4 = (63.55 g/mol) + (32.07 g/mol) + (4 × 16.00 g/mol) = 159.61 g/mol

The molar mass of H2O is:

2 atoms of hydrogen (H) with a molar mass of 1.01 g/mol each

1 atom of oxygen (O) with a molar mass of 16.00 g/mol

Total molar mass of H2O = (2 × 1.01 g/mol) + (16.00 g/mol) = 18.02 g/mol Now, we can calculate the mass of water in the hydrate. Since there are 5 moles of water molecules in CuSO4 · 5H2O, the mass of water is:

Mass of water = (5 mol) × (18.02 g/mol) = 90.10 g

To determine the mass percentage of water in the hydrate, we need to find the total mass of the hydrate. This can be done by adding the molar mass of CuSO4 and the mass of water:

Total mass of the hydrate = Molar mass of CuSO4 + Mass of water = 159.61 g/mol + 90.10 g = 249.71 g

Finally, we can calculate the mass percentage of water:

Mass percentage of water = (Mass of water / Total mass of the hydrate) × 100%

Mass percentage of water = (90.10 g / 249.71 g) × 100% = 36.06%

To learn more about mass percentage click here:

brainly.com/question/28709310

#SPJ11

The total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

To calculate the total charge that flows while the battery is being charged, we can use the relationship between electrical energy, potential difference, and charge.

The electrical energy (E) stored in the battery is given as 64 mega Jules (64 MJ). The potential difference (V) provided by the battery is 330 volts. We know that the energy (E) is equal to the product of the potential difference (V) and the charge (Q):

E = V * Q

Since the charging process is 100% efficient, all the electrical energy supplied is stored in the battery. Therefore, we can rearrange the equation to solve for the charge (Q):

Q = E / V

Substituting the given values, we have:

Q = 64 MJ / 330 V

To perform the calculation, we need to convert mega Jules (MJ) to joules (J) since the SI unit of energy is joules. One mega Joule is equal to 1 million joules:

Q = (64 * 10^6 J) / 330 V

Calculating the division:

Q ≈ 193,939.39 Coulombs

Therefore, the total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

This value represents the quantity of electric charge transferred during the charging process, and it indicates the amount of electricity that enters the battery.

For more such questions on charge visit:

https://brainly.com/question/18102056

#SPJ8

the cosi2 surface is in contact with the original silicon surface, which means the original silicon surface is under the cosi2 surface.

Cosi2 is an intermetallic compound formed from the reaction of cobalt (Co) and silicon (Si). Cobalt silicide, also known as cosi2, is a compound of cobalt and silicon that is frequently used in the semiconductor industry. It is created by the reaction of cobalt with silicon, forming a thin film.

It is known to be one of the most extensively used contact materials, with a low contact resistance and good thermal stability.Silicon and cobalt are initially layered on top of one another to form a cosi2 layer. This can be done in a few different ways, including sputtering or evaporation. In general, the silicon is deposited on top of the cobalt. The reaction between the two metals, which results in the formation of cosi2, then occurs. As a result, the cosi2 layer is in contact with the original silicon surface, and the silicon surface is under the cosi2 layer.

TO know more about that silicon visit:

https://brainly.com/question/14505564

#SPJ11

Total, 0.412 g of silver chloride can be formed from the given amounts of AgNO₃ and MgCl₂.

To solve this problem, you can use the balanced chemical equation to determine the stoichiometry of the reaction, and then use the given concentrations and volumes of the reactants to calculate the limiting reactant and amount of product formed.

Write the balanced chemical equation:

2AgNO₃(aq) + MgCl₂(aq) → 2AgCl(s) + Mg(NO₃)₂(aq)

Convert the volumes of the reactant solutions to moles using their concentrations and volumes;

moles of AgNO₃ = 0.115 M x 0.0250 L = 0.00288 mol

moles of MgCl₂ = 0.0533 M x 0.0450 L = 0.00240 mol

Use the mole ratios from the balanced equation to determine the limiting reactant;

2 moles of AgNO₃ will react with 1 mole of MgCl₂ to produce a 2 moles of AgCl. Therefore, 0.00240 mol of MgCl₂ can react with 2 x 0.00240 mol = 0.00480 mol of AgNO₃. Since there is only 0.00288 mol of AgNO₃ available, it is the limiting reactant.

Calculate the amount of AgCl that can be formed from the limiting amount of AgNO₃;

0.00288 mol AgNO₃ x (2 mol AgCl / 2 mol AgNO₃) x (143.32 g AgCl / 1 mol AgCl) = 0.412 g AgCl

Therefore, 0.412 g of AgCl can be formed.

To know more about silver chloride here

https://brainly.com/question/14740494

#SPJ4

--The given question is incomplete, the complete question is

"Given the following reaction, how much AgCl (in g) can be formed from 25.0 mL of 0.115 M AgNO₃ and 45.0 mL of 0.0533 M MgCl₂? 2AgNO₃(aq) + MgCl₂(aq) ? 2AgCl(s) + Mg(NO₃)₂(aq). What process should I follow to solve this problem?"--

From highest to lowest atomic radius:

Potassium > Lithium > Carbon > Boron > Fluorine.

Atomic number is the number of protons found in the nucleus of an atom, which determines the element and its unique properties. It is denoted by the symbol "Z" and is listed in the periodic table of elements along with the element's symbol, name, and atomic mass.

The nucleus is the central core of an atom, composed of protons and neutrons, which are collectively known as nucleons. It is located at the center of the atom and contains almost all of its mass. The number of protons in the nucleus determines the identity of the atom and is referred to as the atomic number. The nucleus is held together by the strong nuclear force, which is one of the four fundamental forces of nature.

To know more about  atomic number visit :

https://brainly.com/question/8834373

#SPJ1

Answer:

False,not all chemicals pollute the enviorment

Explanation:

Hope this helps!

Brainliest?

Answer:

False

Explanation:

Oxygen?

The chemical equation for Direct Combination of Cobalt (III) and nitrogen, with the product given can be represented as given : Cobalt (III) + nitrogen → Cobalt nitride (Co3N2)When Cobalt (III) and nitrogen are combined using direct combination method, the product formed is Cobalt nitride (Co3N2).

The balanced chemical equation for this reaction is shown below.2 Co (III) + 3 N2 → Co3N2.Cobalt nitride is a blackish gray powder with a melting point of 1750 °C and a density of 6.5 g/cm3. Cobalt nitride is an important metal nitride that is used in the preparation of cobalt metal catalysts, magnetic alloys, and other materials.

For more such questions on Chemical equation

https://brainly.com/question/26694427

#SPJ8

Answer:

Okay well simply drop it from one inch on to the ground and it won't break and you could put it into a basket with bubble wrap.

Explanation:

Well if you wrap the egg into bubble wrap a few times them put it into a basket (its your choice) then it won't break because the bubble wrap will just pop a few times but sometimes it depends on where you are dropping it from.

Have a blessed day bye! ;)

Answer:

nitrogen

Explanation:

i really think it's nitrogen

If we compare 1 mole of H₂ , 1 mole of O₂ and 1 mole of F₂, all will have the same number of molecules .

According to Avogadro's law, " Under same conditions of temperature and pressure, equal volumes of different gases will contain equal number of molecules". Mathematically, it is represented as:

V ∝ n

V= nK

where,

v is the volume of the gas

n is the number of moles of the gas

K is the proportionality constant.

The value of Avogadro's constant is 6.022 × 10²³ atoms, ions or molecules

Therefore on the basis of number of molecules:

1 mole of H₂ = 6.022 × 10²³ molecules

1 mole of O₂ =6.022 × 10²³ molecules

1 mole of F₂= 6.022 × 10²³ molecules

Thus, the number of molecules of all the three gases are same.

To know more about number of molecules here

https://brainly.com/question/13160459

#SPJ4

An ld50 (lethal dose 50%) is a dose of a toxic chemical that "is capable of causing death to 50% of the animals exposed to it."

The ld50 is a measure of the toxicity of a chemical, which is the ability of a substance to cause harmful effects on living organisms. It is usually expressed as the amount of a chemical required to produce a specific response in a given population or species of organism. The ld50 is an important measure in toxicology as it provides a standardized method of evaluating the toxicity of different chemicals. It is often used to determine the safety of new drugs, pesticides, and other chemicals. A low ld50 value indicates a highly toxic substance, while a high ld50 value indicates a less toxic substance.

It is important to note that ld50 values are determined using animal studies, usually rodents, and may not be directly applicable to humans. Moreover, it is unethical to conduct ld50 tests on humans. Therefore, the ld50 values are used as a guideline rather than a definitive measure of toxicity.

In summary, an ld50 is a dose of a toxic chemical that is lethal to 50% of animals exposed to it, and it is an important measure of the toxicity of chemicals used in various industries.

For more such questions on lethal dose

https://brainly.com/question/30463329

#SPJ11

The volume of 10.0 M NaOH is needed to prepare the  buffer with a pH of 7.79 using the 31.52 g of TrisHCl is 6.78 mL.

The molarity of the NaOH = 10 M

The pH of the solution = 7.79

The pH is expressed as :

pH = pka + log (salt) / (acid)

7.79 = 8.08 + log (tris) / (tris HCl)

log (tris) / (tris HCl) = 0.5128

The volume  is the same. Therefore, the ratio of the molarity is equal to the ratio of the moles.

The moles of the tris HCl = mass / molar mass

                                           = 31.52 / 157.5

                                            = 0.2 mol

The moles of the NaOH = molarity × volume

                                         = 10 V

1 mol of the NaOH reacts with the 1 mol of Tris HCl.

( 10.0 V) mol of the NaOH would react with the (10.0 V) mol of the Tris HCl. The remaining mol of the Tris HCl is 0.2 - 10.0 V.

Moles of tris / moles of tris HCl = 0.5128

10 V / 0.2 - 10 V = 0.5128

V = 6.78 mL

To learn more about pH here

https://brainly.com/question/20344577

#SPJ4

Characteristics of ionic compounds are

1. They develop crystals.

2. Both their melting and boiling points are very high.

3. They are fragile and hard.

4. Compared to molecular molecules, they have higher fusion and vapourization enthalpies. When dissolved in water, they act as an electrical conductor.

5. Ionic solids are excellent insulators because they do not conduct electricity.

An ionic compound in chemistry is a chemical complex made up of ions kept together by electrostatic forces known as ionic bonding. Although the molecule is mostly neutral, it contains positively charged ions known as cations and negatively charged ions known as anions.

Learn more about Ionic compounds here:

https://brainly.com/question/2687188

#SPJ4

Sand was accidentally turned into glass by the Phoenician seafarers by the use of natron.

SiO2 is the primary component of flat glass (silica sand). This has a high melting point of around 1700 degrees Celsius, and in this form it resembles syrup on a very cold day.

Glass composed of borosilicate is a leader in general analytical applications due to its straightforward composition, excellent chemical resistance, and strong thermal shock capabilities. The advantages of borosilicate glass are all present in 96% silica glass, which also has outstanding thermal shock resistance and high service temperature characteristics.

To know more about Glass visit:

https://brainly.com/question/28801236

#SPJ4

If you then increase the intensity of the 4.5 eV light, you will notice that the photons would come off at higher speeds.

Light intensity refers to the strength or amount of light produced by a specific lamp source.

Intensity of light measures of the wavelength-weighted power emitted by a light source.

Mathematically, the intensity of light source is given as;

I = P/A

where;

Increasing the light intensity (photon energy per second per unit area) increases the rate at which electrons leave the metal, and the electrons have more kinetic energy.

Thus,  if you then increase the intensity of the 4.5 eV light, you will notice that the photons would come off at higher speeds.

Learn more about intensity of light here: https://brainly.com/question/28145811

#SPJ1

Glycerol and fatty acids are the building blocks for lipids.

What are lipids?

Lipids are a class of organic molecules that include fats, oils, and waxes. They are essential to life in that they serve as structural components of cell membranes, insulation, and energy storage molecules.

There are several types of lipids, but all of them are composed of two types of building blocks: glycerol and fatty acids. Glycerol is a three-carbon alcohol with a hydroxyl group attached to each carbon. Fatty acids, on the other hand, are long hydrocarbon chains with a carboxylic acid group at one end. In lipids, glycerol is typically linked to three fatty acids via ester bonds to form triglycerides. This is the primary way that lipids are stored in the body.

Other types of lipids, such as phospholipids and steroids, have different structures but still contain glycerol and/or fatty acids as building blocks. Overall, lipids are an incredibly important class of biomolecules that play a variety of roles in the body. Glycerol and fatty acids are the basic building blocks for all lipids.

for more such questions on  lipids.

https://brainly.com/question/17382830

#SPJ11

Find the number of moles, we divide the given mass (125 g) by the formula mass (262.9 g/mol):  125 g / 262.9 g/mol = 0.475 mol, However, we need to multiply this by the number of phosphorus atoms in one formula unit of magnesium phosphate.

In one formula unit of mg3(po4)2, there are 2 atoms of phosphorus.
Therefore, the total number of phosphorus atoms in 125 g of magnesium phosphate can be calculated as: 0.475 mol x 2 atoms/mol = 0.950 atoms .

Calculate the number of moles of Mg3(PO4)2 in 125 g:
moles = mass / molar mass = 125 g / 262.9 g/mol = 0.475 moles
2. Determine the number of moles of phosphorus (P) in Mg3(PO4)2:
Mg3(PO4)2 has 2 moles of P per 1 mole of the compound, so 0.475 moles Mg3(PO4)2 × 2 moles P/1 mole Mg3(PO4)2 = 0.95 moles P
3. Calculate the number of atoms of phosphorus:
atoms = moles × Avogadro's number = 0.95 moles P × 6.022 x 10^23 atoms/mol = 1.43 x 10^23 atoms P.

To know more about moles visit:

https://brainly.com/question/31597231

#SPJ11

To answer this question, there are approximately 5.72 x 10^23 atoms of phosphorus in 125 g of magnesium phosphate.

we first need to find the molar mass of magnesium phosphate. The formula mass given in the question is 262.9 g/mol.
Now, we can use the formula mass to find the number of moles of magnesium phosphate in 125 g of the compound.
Moles of Mg3(PO4)2 = mass / molar mass
Moles of Mg3(PO4)2 = 125 g / 262.9 g/mol
Moles of Mg3(PO4)2 = 0.4754 mol
Next, we need to determine the number of moles of phosphorus in this amount of magnesium phosphate. We can use the formula of the compound to determine the ratio of magnesium to phosphorus.
There are 2 phosphorus atoms in each molecule of magnesium phosphate, so we can multiply the number of moles of Mg3(PO4)2 by 2 to get the number of moles of phosphorus.
Moles of P = 0.4754 mol Mg3(PO4)2 x 2
Moles of P = 0.9508 mol P
Finally, we can use Avogadro's number (6.022 x 10^23) to convert the number of moles of phosphorus to the number of atoms of phosphorus.
Number of P atoms = moles of P x Avogadro's number
Number of P atoms = 0.9508 mol P x 6.022 x 10^23 atoms/mol
Number of P atoms = 5.72 x 10^23 atoms
Therefore, there are approximately 5.72 x 10^23 atoms of phosphorus in 125 g of magnesium phosphate.

To know more about magnesium phosphate visit :

https://brainly.com/question/13911775

#SPJ11

Answer: It’s C

Explanation:

Explanation

Kinetic energy is a modality of energy present in all moving bodies. According to the SI, its unit of measurement is the joule. Furthermore, this energy is a scalar quantity that has exclusively positive values.

Kinetic energy is proportional to the square of the body's velocity. Thus, if the speed of a body double, its kinetic energy will increase four times, if the speed of a body triple, then this increase will be nine times.

Answer

Kinect energy tells us how fast the reaction will proceed.