Draw the products formed when phenol(C6H5OH) is treated with each reagent. Give an explanation. c. CH3CH2Cl, AlCl3 l. product in (c), then KMnO4

Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. The chemical formula for photosynthesis is:

6CO2 + 6H2O + light energy → C6H12O6 + 6O2

This formula can be written out using the chemical symbols for each element involved in the reaction.

The reactants are carbon dioxide (CO2) and water (H2O), which are combined through the process of photosynthesis with the help of sunlight energy to produce glucose (C6H12O6) and oxygen (O2).

In summary, photosynthesis is a complex biochemical process that involves multiple chemical reactions and is essential for the survival of most living organisms on Earth.

By understanding the formula for photosynthesis, we can appreciate the important role that plants and other photosynthetic organisms play in our ecosystem.

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Answer:

CO2 + H2O = C6H12O6 + O2

or

6CO2 + 6H2O = C6H12O6 + 6O2 if it need to be balanced

Answer:

Answer is 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Explanation:

Answer

1.50 mol

Explanation

Given:

Initial volume, V₁ = 25.0 L

Mass of CH4 gas in 25.0 L container = 40 g

Final volume, V₂ = 15.0 L

From the Periodic Table; molar mass of CH4 = 16.04 g/mol

What to find:

The new amount in mole.

Step-by-step solution:

According to Avogadro’s law: For a confined gas, the volume (V) and number of moles (n) are directly proportional if the pressure and temperature both remain constant. That is:

n₁ = Mass/Molar mass = (40.0g/16.04 g/mol) = 2.493765586 mol

n₂ is the new amount in mole and can be calculated as follows:

The new amount in moles is 1.50 moles

Answer:A

Explanation: Since more energy levels are added, the pull decreases which means the electronegativity from electrons also decrease.

The electronegativity change as principal energy levels are added to an atom is electronegativity decreases. The correct option is A.

The ability of an atom to draw shared electrons in a covalent connection is referred to as electronegativity. The stronger an element attracts the shared electrons, the higher its degree of electronegativity.

As a result, the electronegativity of an element drops as you advance down a group on the periodic table because the larger number of energy levels distances the outside electrons from the nucleus' pull. On the periodic table, electronegativity rises from left to right across each period.

Thus, the correct option is A. Electronegativity decreases regarding the electronegativity decreases with energy levels added.

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Answer:

Decrease of temperature by 62.6°F and 290.15°

Explanation:

First identify change in C: 17 degrees

now convert to Fahrenheit and Kelvin

Fahrenheit: 17 * (9/5) +32 = 62.6°

Kelvin: 17 + 273.15 = 290.15°

Answer:

Explanation:

The table below indicates the “Molecular Geometry” of the central atom depending on whether the groups of electrons around it are covalent bonds to other atoms or simply lone pairs of electrons.

Answer:

Protons have a +1/positive charge.

Neutrons have a 0/neutral charge.

Electrons have a -1/negative charge.

Explanation:

In Chemistry, we know that Protons are located in the nucleus, determine the element, and have a positive charge. The opposite of a Protons is an Electron, which orbits the nucleus and has a negative charge. Neutrons are found in the nucleus with Protons but has no charge; it only affects the mass.

Protons have a +1/positive charge.

Neutrons have a 0/neutral charge.

Electrons have a -1/negative charge.

A proton is a subatomic particle found in the nucleus of every atom. The particle has a positive electrical charge, equal and opposite to that of the electron.

In Chemistry, we know that Protons are located in the nucleus, determine the element, and have a positive charge.

The opposite of a Proton is an Electron, which orbits the nucleus and has a negative charge.

Neutrons are found in the nucleus with Protons but have no charge; it only affects the mass.

Hence,

Protons have a +1/positive charge.

Neutrons have a 0/neutral charge.

Electrons have a -1/negative charge.

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Answer:

Vanadium

Explanation:

Atomic number increases, thereby changing into an atom of Vanadium

Answer:

Vanadium

Explanation:

Science rocks

Answer:

5 grams of iron react with 5 grams of oxygen to produce iron 3 oxide.

The actual yield of the reaction is--- 5 grams.

What is the percent yield?

Explanation:

The balanced chemical equation of the reaction is:

\(4Fe(s)+3O_{2} (g)->2Fe_{2} O_3(s)\)

1)Identify the limiting reagent.

2)Using the limiting reagent calculate the amount of theoretical yield formed.

Identification of limiting reagent:

4 mol of Fe reacts with 3mol. of O2

that is:

4mol(55.84g/mol) of Fe reacts with ---- 3mol (32.0g/mol)

=223.36g of Fe reacts with ---- 96g. of O2

then,

5g of Fe requires how many grams of O2?

\(=>5g. of Fe * \frac{96g O2}{223.36g Fe} \\=2.14g. of O_{2} .\\\)

But provided 5g of O2.

So, O2 is present more than required.

Hence, O2 is the excess reagent and the limiting reagent is Fe.

The amount of product formed depends only on the amount of Fe only.

Theoretical yield:

From the balanced chemical equation:

4mol. of Fe forms ----- 2mol. of Fe2O3.

that is

223.36g of Fe forms --- 2(159.68g)of Fe2O3.

=>223.36g of Fe forms --- 319.36g of Fe2O3.

then,

5g of Fe forms ----? grams of Fe2O3

\(=>5g of Fe * \frac{319.36g Fe2O3}{223.36g of Fe} \\=7.14g. of Fe2O3\\\)

\(%Error =\frac{actual yield}{theoretical yield} * 100\\\\ %error=\frac{5g}{7.14g} * 100\\ %error =70.0\)% error=actual yield/ theoretical yield  x 100

%error=5g./7.14g  x100

=>%error=70.0

Hence, the answer is 70.0%.

Answer:

FeF3 is a molecule. In it there are 3 atoms of F and one of Fe.

The excess citrate is directly changing the properties of the nanoparticles being formed during synthesis. Sodium citrate has been used as stabilizing ligands for gold nanoparticles, especially for those assembled using the Frens approach, which is the most popular.  

The photo fracture of gold nanoparticles is affected by the sodium citrate content. With increasing citrate content, the typical measurement of independently scattered particles continually decreases by 1-2 nm.

It is well known that increased ligand concentration can play a crucial role in producing nanoparticles with smaller estimates during the manufacture of nanoparticles by chemical blending.

On the other hand, it is well known that rising citrate concentration triggers more important particle convergence. The colloidal arrangement is most likely to become unstable due to the presence of rate particles, which act as electrolytes.

However, the agglomerates and slightly larger particles created by laser light are remarkably stable against more advanced agglomeration and precipitation created by capacity. This is most likely because there are enough citrate groups, which act as surface stabilizing ligands, nearby.

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Answer:

109.5 Degrees

Explanation:

Because CH4 is sp4 hybridized (Carbon is bonded to the 4 Hydrogens), the geometry of the molecule must be tetrahedral. Tetrahedral moleculues have bond angles of 109.5 Degrees.

Answer: dative covalent bond

Explanation: one hydrogen ion is transferred from HCl to the lone pair on NH3 . This particular hydrogen only has its nucleus transferred—its electrons remain with chlorine. So, the bond between this particular hydrogen atom and the central nitrogen is a dative covalent bond.

Option C (35.0 g of C₄H₁₀O in 250.0 g of ethanol) will have the highest boiling point.

The boiling point elevation is directly related to the concentration of solute particles in a solution. In this case, we need to compare the solutions based on the number of solute particles present.

To determine the solution with the highest boiling point, we need to consider the number of solute particles in each option. Since we have the same mass (35.0 g) of each solute, we can assume that the number of solute particles will be proportional to the molar mass.

Comparing the molar masses:

C₂H₆O₂ (ethanoic acid) = 60.052 g/mol

C₃H₈O (propanol) = 60.096 g/mol

C₄H₁₀O (butanol) = 74.123 g/mol

Since butanol (Option C) has the highest molar mass among the solutes, it will have the highest number of solute particles when dissolved in ethanol. As a result, Option C, containing 35.0 g of C₄H₁₀O in 250.0 g of ethanol, will have the highest boiling point.

The question should be:

Which of the following solutions will have the highest boiling point? Input the appropriate letter.

A. 35.0 g of C₂H₆O₂ in 250.0 g of ethanol (C₂H₅OH)

B. 35.0 g of C₃H₈O in 250.0 g of ethanol (C₂H₅OH)

C. 35.0 g of C₄H₁₀O in 250.0 g of ethanol (C₂H₅OH)

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If the age of the lowermost layer of a rock sample is more than 2 million years, then the following which could be the age of the upper layers is less than one million and is denoted as option A.

This is referred to as a solid mineral which is formed from the accumulation and cementing of sand grains and other substances. Rocks are usually broken down into simpler substances through the process known as weathering.

The law of Superposition states that in a sequence of rocks, the rocks that are at its base are oldest, while those that are found at the apex portion of the sequence are the youngest rocks.

Therefore the age of the upper layers of the rocks which means that they will be younger which is why option A was chosen as the correct choice.

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The options are:

Answer:

Claim: The jump in ionization energy from I2 to I3 is the largest.

Evidence: You would have to search some up but the jump is from 1450.7 kj/mole to 7732.7 kj/mole. You could also say that magnesium has an electron configuration of [Ne] 3s2 and after removing the two outer valance electrons the next electrons being removed would be core electrons.

Reasoning: Core electrons need lots of energy to remove from the atom, while valance electrons are easy to remove. The 2nd electron removed is a valance electron, while the 3rd electron removed is a core electron. Thus, we should expect that the energy needed to remove a hard to remove electron (the 3rd electron) would be much more than the energy needed to remove the easy to remove electron (2nd) and we should expect a large jump of ionization energy from I2 to I3.

Answer:

There are 126 neutrons in the bismuth atom.

Explanation:

We are given that a Bi atom has an atomic mass of 209 amu and an atomic number of 83.

We want to find how many neutrons the bismuth atom has.

The atomic mass of an atom is equal to the mass of the protons + mass of neutrons (n.b. the electrons are part of the mass too, however they are very, very small. Therefore, we tend to count the mass of the electrons as 0 when calculating the atomic mass).

Recall that protons and neutrons both have a mass of about 1 amu.

Also recall that the proton number is also the atomic number. Because of this, the bismuth atom has 83 protons. And since that protons have a mass of about 1 amu, the atomic mass of the protons will be:

83 protons × \(\frac{1 amu}{1 proton}\) = 83 amu

That means that if the atomic mass is 209 amu, it is equal to the proton mass (83 amu) + an unknown mass of neutrons (let's say it is x amu).

As an equation, it will be:

83 + x = 209

Subtract 83 from both sides.

x = 126

This means that the neutrons will weigh 126 amu.

Since every neutron is about 1 amu, the amount of neutrons will be:

126 amu × \(\frac{1 neutron}{1 amu}\) = 126 neutrons

Answer:

126

Explanation:

To calculate for neutron #, subtract atomic # from atomic mass.

t hus 09- 83= 126

Out of the given materials, the two most dense are steel and iron. Steel is a mixture of iron and carbon, which makes it denser than pure iron. Both steel and iron are used in construction, manufacturing, and many other industries.

Iron and steel both are used in many industries due to their strength and density. Water and air are not dense at all, and are actually considered to be fluids. Carbon dioxide is a gas and is also not very dense. Glass and copper are denser than water and air, but not as dense as steel and iron. Glass is commonly used in windows, mirrors, and other household items, while copper is used in electrical wiring, plumbing, and many other applications. Understanding the density of materials is important for various engineering and scientific applications, as it helps to determine the properties of different materials and how they interact with each other.

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Answer:

0.2 mol/dm³

Explanation:

Glucose = C₆H₁₂O₆

Mr = 180

1 mole of glucose is 180g

The ratio of the moles of glucose we have to the mass is going to be the same as the ratio of 1 mole to 180g;

In other words, we can formulate an equation and solve to find the number of moles we have (we'll let it be x):

ˣ/₇₂ = ¹/₁₈₀

x = ⁷²/₁₈₀

x = 0.4

The solution we have has 0.4 moles of glucose;

A key concept in calculating or finding a particular variable or quantity such as concentration is the units, they give major clues as to how to calculate said variable when you consider it logically;

Molarity (or equally, concentration) is the number or moles of a substance found in a given volume of solution;

The units are typically mol/dm³;

mol stands for moles and dm³ is a measure of volume (1 dm³ = 1 L);

If we therefore want to find the molarity, we need to divide moles by volume;

Recognising that 1 L = 1 dm³, we can see we have the moles of glucose, calculated above, and the volume of the solution (2 L or 2 dm³);

Then, to get the molarity (M), we simply calculate:

M = 0.4/2

M = 0.2

Explanation:

It's so because we know that stone is insoluble, ain't it, so it takes space in water & the water level rises.

But, when a spoon of sugar is added to water, it is soluble & hence mixes with water, so it doesn't rise.

I Hope this helps! (ㆁωㆁ)

Answer:

I would recycle, reuse, and reduce the litter on this already hurt Earth.

Explanation:

Answer:

I can go out and help pick up garbage and i can recycle and not litter and i can reuse all the plastic water bottles i drink.

Explanation:

Im glad you care about mother earth to

The radius of the circular path of the Ni+ ion is r = 3.27 x 10⁻⁶ v meters proportional to its velocity v. The diagram has been attached below.

Lorentz force refers to the force experienced by a charged particle in an electromagnetic field. It is named after the Dutch physicist Hendrik Lorentz who first described this force in 1892. The force arises from the interaction between the magnetic and electric fields that may be present in the vicinity of a charged particle.

The Lorentz force on a charged particle is given by the vector product of its velocity and the magnetic field, as well as by the scalar product of its charge and the electric field. The Lorentz force equation is:

F = q(E + v x B)

a) The diagram shows the direction of travel (v) and the charge (+1e) of the singly ionized Nickel atom (Ni+), as well as the uniform magnetic field (B) directed into the page. The path of the Ni+ ion is perpendicular to both v and B, and is deflected in a circular path due to the Lorentz force.

(b) The radius of the particle can be calculated using the equation for the Lorentz force:

F = qvB

where F is the force on the particle, q is the charge, v is the velocity, and B is the magnetic field. Since the force is perpendicular to both v and B, the path of the particle is circular.

The centripetal force on the particle is provided by the magnetic force, so we can equate the two:

F = ma = mv²/r

where m is the mass of the particle, a is the centripetal acceleration, and r is the radius of the circular path.

Combining these two equations, we get:

qvB = mv²/r

Solving for r, we get:

r = mv/qB

Substituting the values given, we get:

r = (9.80 x 10⁻²⁶ kg)(v)/(1e)(0.3 T)

r = 3.27 x 10⁻⁶ v meters

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If more \(H_{2}\) and \(N_{2}\) are added to the reaction 3\(H_{2}\) + N2 → 2\(NH_{3}\) after it reaches equilibrium, two events will occur Shift in Equilibrium and Increased Yield of \(NH_{3}\)

1. Shift in Equilibrium: According to Le Chatelier's principle, when additional reactants are added, the equilibrium will shift in the forward direction to consume the added reactants and establish a new equilibrium. In this case, more \(NH_{3}\) will be produced to counteract the increase in \(H_{2}\) and \(N_{2}\).

2. Increased Yield of \(NH_{3}\): The shift in equilibrium towards the forward reaction will result in an increased yield of \(NH_{3}\). As more \(H_{2}\) and \(N_{2}\) are added, the reaction will favor the production of \(NH_{3}\) to maintain equilibrium. This will lead to an increase in the concentration of \(NH_{3}\) compared to the initial equilibrium state.

It is important to note that the equilibrium position will ultimately depend on factors such as the concentrations of \(H_{2}\), \(N_{2}\), and \(NH_{3}\), as well as the temperature and pressure of the system. By adding more reactants, the equilibrium will adjust to achieve a new balance, favoring the formation of more \(NH_{3}\).

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Answer:

because it could self drive

Explanation:

idrk but thats my answer

a) The KLa in the 100-L scale is 10 \(min^{-1\).

b) No, it is not possible to keep the same oxygen uptake rate as in the 100-L scale while keeping KLa constant in the 12,500 L scale.

The KLa (mass transfer coefficient) represents the efficiency of oxygen transfer from the gas phase to the liquid phase in a bioreactor.

In the given 100-L scale, the dissolved oxygen level is maintained at 0.1 mM, and the solubility of oxygen is 0.2 mM.

To calculate KLa, we need the volumetric flow rate of air and the concentration difference between the outlet and the saturation concentration.

Given that air is supplied at 100 L/min and the solubility of oxygen is 0.2 mM, we can calculate KLa as follows:

KLa = (C*/C)*(Q/V)

Where C* is the saturation concentration of oxygen, C is the dissolved oxygen concentration, Q is the volumetric flow rate of air, and V is the volume of the bioreactor.

Plugging in the values:

KLa = (0.2 mM / 0.1 mM) * (100 L/min / 100 L) = 2 \(min^{-1\)

Therefore, the KLa in the 100-L scale is 10 \(min^{-1\).

The dissolved oxygen concentration would be lower in the 12,500 L scale.

In the scale-up process, the reactor is constructed 125 times larger, resulting in a 12,500 L scale.

While the superficial velocity of air flow can only be increased 2.5-fold, the reactor volume has increased by a factor of 125.

As a result, the oxygen uptake rate cannot be maintained at the same level as in the 100-L scale.

Since KLa represents the mass transfer efficiency, which is dependent on the surface area and mixing in the reactor, keeping it constant does not compensate for the increased volume.

Therefore, in the 12,500 L scale, the dissolved oxygen concentration would be lower compared to the 100-L scale.

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