why is it necessary to exclude water in each stage of the production of a product with the grignard reaction. be specific. give a chemical equation to illlustrate

Chemically speaking, minerals are organic is false.

Minerals are defined as a naturally crystallized element or chemical compound that was created through geological processes. The growth of strong bones and teeth is one of minerals' three main purposes. controlling a cell's internal and external body fluids. transforming the food you eat into energy. They support the creation of new technology and are an integral component of daily living.

Inorganic materials include minerals. A mineral is an inorganic solid that forms naturally and has an ordered arrangement of atoms and ions as well as a distinct chemical composition. Your belt buckle, jewelry, and clothing zippers are all formed of metal, which is a mineral. An inorganic material is a mineral. It wasn't created by living things.

Thus, chemically speaking, minerals are organic is false.

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199,257.6 J of heat energy is required to raise the temperature of a 16.8 g block of silver from 600.°C to its melting point,961.8°C, and fully melt the sample at this temperature.

The heat required to raise the temperature of a 16.8 g block of silver from 600°C to its melting point, 961.8°C, can be calculated using the equation:  

Q₁ = mcΔT  

where Q is the heat required (in joules), m is the mass of the silver (in grams), c is the specific heat of silver (in joules per gram per degree Celsius), and ΔT is the change in temperature (in degrees Celsius).  

The heat required would be:  

Q₁ = (16.8 g)(0.240 J/g°C)(961.8°C - 600°C)  

Q₁ = 158,608 J  

The heat required to fully melt the sample at this temperature can be calculated using the equation:  

Q₂ = mΔHf  

where Q is the heat required (in joules), m is the mass of the silver (in grams), and ΔHf is the heat of fusion of silver (in joules per gram).  The heat required would be:  

Q₂ = (16.8 g)(88 J/g)  

Q₂ = 1,472 J  

To determine the heat energy with vaporization,

Q₃ = mΔHv

Q₃ = 16.8x2332

Q₃ = 39.1776 J

Therefore, the total heat required to raise the temperature of a 16.8 g block of silver from 600°C to its melting point, 961.8°C, and fully melt the sample at this temperature would be:  

Qtotal = Q₁ + Q₂ + Q₃

Qtotal = 158,608 J + 1,472 J + 39.1776

Qtotal = 199,257.6 J

Therefore, the heat energy required is 199,257.6J

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In obtaining the rate of reaction for the reaction of sodium metal and water;

a) -0.005 g/s

b) 0.000217 mol/s

c) 0.00025 g/s

d) 0.0001084  mol/s

The term rate of reaction has to do with the rate at which the reactants are changed to become products or the rate at which the products are seen to appear.

a)  The average rate of decrease of the sodium in g/s is;

Mass of sodium/ time taken

= -(0.075 g / 15  s) = -0.005 g/s

b) The average rate of decrease of the sodium in mol/s;

Number of moles of sodium = 0.075 g/23 g/mol = 0.00326 moles

Given that;

Number of moles/ time taken

= 0.00326 moles/15 s

= 0.000217 mol/s

Given that the reaction equation is;

[tex]2Na(s) + 2H_{2} O(l) ---- > 2NaOH(aq) + H_{2}(g)[/tex]

c) The average rate of production of hydrogen in g/s = 1/2 * 0.005 g/s

= 0.00025 g/s

d) The average rate of production of hydrogen in mol/s;

1/2 * 0.000217 mol/s

= 0.0001084  mol/s

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8. Luster would be the least helpful property in determining whether a substance is a metal or non-metal.

What is Luster?

9. Phosphorus is the identified non-metal here.

What is a non-metal?

10. An element near Argon in the periodic table would probably be a poor heat conductor.

What is a periodic table?

11. The unit cm3 is used to express Volume.

What do you mean by the unit cm3?

12. The conversion factor 1L/103L would be used to change Liters to Milliliters.

What are Liters and Milliliters?

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If mass spectrometry data give its molecular mass of the compound as 410 u, then the empirical formula units in the molecular formula will be 10.

% mass of C in vitamin D present in the human body = 87.73 %

% mass of H in vitamin D present in the human body = 12.27 %

Molecular mass of the compound = 410 u

Empirical formula units in the molecular formula = ?

Calculate the empirical units of C and H

    empirical units = percentage / atomic weight

    empirical units of C = 87.73 / 12

    empirical units of C = 7.3

    empirical units of H = 12.27 / 1

    empirical units of C = 12.27

Divide the formula units by the least value and multiply by 3

    empirical formula units of C = 7.3 / 7.3 × 3

    empirical formula units of C = 3

    empirical formula units of H = 12.27 / 7.3 × 3

    empirical formula units of H = 5

So empirical formula units = C₃H₅

Calculate the empirical formula mass

    emperical formula mass = 3 × 12 + 5 × 1

    emperical formula mass = 41

Calculate the empirical formula units

    empirical formula units = molecular mass / empirical mass

    empirical formula units = 410 / 41

    empirical formula units = 10

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Answer:

The color would be red

Frequency = (speed) / (wavelength) = (3 x 108) / (670 x 10-9) = (3/670) x 1017 = 4.48 x 1014 Hz = 448,000 GHz.

Explanation:

Answer: make it paragraph form lol

Explanation: i really want 30 points

It helps Bromination of the Grignard reagent because it helps solvate and stabilize the reagent as it forms.

The very simple reason is that in ether, there is no acidic Hydrogen present on which the Grignard reagent RMgX can attack and get itself converted to R−H .

This reaction is treasured for its capacity to form carbon-carbon bonds. The Grignard reagents are formed from the response of an alkyl halide with magnesium metal in anhydrous ether. The carbon atom of the Grignard reagent can characteristic as both a sturdy base and a strong nucleophile.

Grignard reagents are used synthetically to form new carbon–carbon bonds. A Grignard reagent has a very polar carbon–magnesium bond wherein the carbon atom has a partial bad fee and the metallic a partial wonderful rate.

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The vapor escapes from the storage vessel it will mix with air and become flammable.

Inert is different from flushing. flushing ensures that no ignitable mixture is formed. Inerting makes flammable mixtures safe by introducing an inert gas. Exhaust gas generated from a ship's boiler into a scrubber by a fan cleaned and cooled to generate inert gas, which is sent to the ship's cargo tank as an inert gas.

Inert gas is an asphyxiating agent. Asphyxiating gases replace the oxygen in the air and reduce the oxygen you breathe. Without oxygen, you will die. Before entering a room with large amounts of inert gas, make sure there is enough oxygen in the room or have a self-contained breathing apparatus. They are said to adopt the noble gas configuration or the perfect electronic configuration.

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In the combustion of butane 4 moles of carbon dioxide and 5 moles of water are produced. Therefore, the number of carbon atom does not change at all.

Combustion reaction is the reaction of a gas with atmospheric oxygen to produce carbon dioxide and water. The combustion reaction of butane gas is written as follows:

[tex]\rm C_{4} H_{8} + \frac{13}{2} O_{2} \rightarrow 4 CO_{2} + 5H_{2}O[/tex].

As per this balanced equation, 4 moles of carbon dioxide are produced from one mole of butane. According to mass conservation law, total mass in a reaction will be conserved and no atoms lost or gained.

Hence, each element will be equal in number on both side. There are 4 carbon atoms in both side of the reaction. Thus number of carbon atoms does not change.

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According to the law of conservation of mass, the number of carbon atoms does not change and hence it best describes carbon atoms in the reaction.

According to law of conservation of mass, it is evident that mass is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Antoine Lavoisier in the year 1789.

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Observing particles moving against the concentration gradient in a lab investigation. this type of transport are they observing is active transport.

The active transport can be as the movement of the particles from lower concentration to the higher concentration are on the opposite in the direction of the concentration gradient. in the given condition the particles are moving in the against the concentration gradient in an investigation so, this is an active transport. The active transport are of two types : the primary active transport and the secondary active transport.

Thus, Observing particles moving against the concentration gradient in a lab investigation. this type of transport are they observing is active transport.

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Result is Chlorine has an oxidation number of +5 in the ion ClO3-.

A chemical process that occurs when an object comes in contact with carbon or another oxidizer. Rust and an apple's brown color are examples of oxidation.

Antoine Lavoisier coined the term "oxidation" in order to describe a substance's reaction with oxygen. Much later, it was understood that the substance loses electrons when it is oxidized, and the term was expanded to cover other processes in which electron are lost, whether or not oxygen was present.

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Al + Fe₂O3 → 2 Fe + Al₂O3 is a replacement  balanced equations.

2 Ag+S → Ag₂S - synthesis equation

CaCO3 → CaO + CO2​- decomposition equation

balance equation for the reactants and products are necessary to balance chemical equations.

Because a chemical equation must adhere to the principles of mass conservation and constant ratios, the same amount of atoms of each element must be present on two of the reactant and product sides of the equation.

The reactants and products of a chemical reaction are symbolically expressed in chemical equations using the appropriate chemical formulae. The portion of the chemical equation that is on the reactant side is to the left of the sign "," and to the right of the arrow symbol, respectively.

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To prepare a 1.72 m solution of nano3, the volume (in liters) which would you have to dilute 31.9 ml of 3.45 m NaNO3 is 63.9 ml.

This problem can be solved by using the concept of molarity.

Molarity is defined as the ratio of moles of solute to the volume of solution.

Mathematically,

Molarity = moles of solute / volume of solution

Given,

Concentration of NaNO3 = 3.45 m

Volume of NaNO3 = 31.9 ml

As we know that,

Concentration = mole / volume

By substituting all the values, we get

3.45 m = mole / 31.9

Mole = 3.45 × 31.9

Moles of NaNO3 = 110.05 mol

Moles of NaNO3 = 110.05 mol

Molarity of NaNO3 = 1.72 m

By substituting all the values, we get

1.72 m = 110.05 / volume

Volume = 110.05 / 1.72 = 63.9 ml

Thus, we concluded that to prepare a 1.72 m solution of nano3, the volume (in liters) which would you have to dilute 31.9 ml of 3.45 m NaNO3 is 63.9 ml.

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The molarity of the HCl, if the solution has a density of 1. 20 g/ml will be  12.83 M

% of HCL in the solution = 39.0 %

Density of the solution = 1.20 g/ml

Molarity of HCL = ?

Volume of the solution is not given so we take it as 1.0 L

Calculate the mass of silution

   mass = density × volume

    mass of solution = 1.20 g/ml × 1000 ml/L × 1.0 L

    mass of solution = 1200 g

Calculate the mass of HCl

38 %  = 38 g / 100 g

    mass of HCl = 1200 g (39 g / 100 g)

    mass of HCl = 1200g × 0.39 g

    mass of HCl = 468 g

Now calculate the number of moles of HCl

    number of moles = mass / molar mass

    number of moles of HCl = 468 g / 36.46 g

    number of moles of HCl = 12.83 mol

Calculate molarity

    molarity = number of moles of solute / volume L

    molraty HCl = 12.83 mol / 1 L

    molarity of HCl = 12.83 mol/L or 12.83 M

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When figuring out whether to place a double or triple bond you should always look at the number of valence electrons present as well as the number of bonds a central atom is likely to form. Another good way to know whether to use double or single bonds is to calculate the formal charge on each atom in the molecule.

What is Lewis structure of molecules?

Lewis structures, often referred to as Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDS), are diagrams that depict the interactions of atoms inside molecules as well as any lone pairs of electrons that may be present. Any molecule with a covalent link, as well as coordination compounds, can have a Lewis structure. Gilbert N. Lewis, who first described it in his 1916 article The Atom and the Molecule, gave the Lewis structure its name. Lewis structures add lines between atoms to represent shared pairs in a chemical bond, extending the idea of the electron dot diagram.

Hence, when figuring out whether to place a double or triple bond you should always look at the number of valence electrons present as well as the number of bonds a central atom is likely to form. Another good way to know whether to use double or single bonds is to calculate the formal charge on each atom in the molecule.

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If pressure is held constant, the combined gas law would become [tex]v_1/t_1 = v_2/t_2[/tex]

If the volume is held constant, the combined gas law would become [tex]p_1/t_1 = p_2/t_2[/tex]

The combined gas law is a law that relates Boyle's law, Charle's law, and Gay-Lussac's law together in a single equation. The equation is expressed below:

[tex]p_1v_1/t_1 = p_2v_2/t_2[/tex]

Where [tex]p_1[/tex] is the initial pressure of gases, [tex]v_1[/tex] is the initial volume of gases, [tex]t_1[/tex] is the initial temperature of gases, [tex]p_2[/tex] is the final pressure, [tex]v_2[/tex] is the final volume, and [tex]t_1[/tex] is the final temperature.

If pressure is held constant, it means [tex]p_1 = p_2[/tex], the equation becomes:

[tex]v_1/t_1 = v_2/t_2[/tex]

If the volume is held constant, it means [tex]v_1 = v_2[/tex], the equation becomes"

[tex]p_1/t_1 = p_2/t_2[/tex]

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The following statements is correct about the comparative first ionization energies of the atoms in the following set: Mg, P, Sr , Sb, Ga is that P has largest ionization energy than Sr.

The trend of ionization energy in the periodic table is when we move from left to right in the periodic in the period ionization energy increases. when we move down the group in the periodic table then the ionization energy decreases.

Thus, The following statements is correct about the comparative first ionization energies of the atoms in the following set: Mg, P, Sr , Sb , Ga is that P has largest ionization energy than Sr.

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Answer:

≈ 112.65 kmh

Explanation:

Formula

for an approximate result, divide the speed value by 37.282

hope this helped :)

Explanation:

1 mile = 1.609344... km

1 hour = 60 minutes

70 mph = 70 × 1.609344 / 60 =

= 1.877568... km/minute

In locations one mile above sea level such as Denver, Colorado, the atmospheric pressure is less than 1 atm because the air is less dense. This means that it takes 95 °C thermal energy to get a liquid to boil in these locations

There are small molecule of air in the atmosphere and these molecules combine and form different layer in the atmosphere which create some kind of pressure and the pressure create by the air molecule layer is known to be the atmospheric pressure which is exerted by everything in the atmosphere and less pressure will decreases the temprature for water boiling point

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The plant most likely absorb from the water for the process that produces the oxygen gas is Carbon Dioxide .

What is photosynthesis ?

Photosynthesis is defined as the processes that bring about the manufacturing of food by green plants.

Food is complex energy-rich organic matter which living organisms feed on to obtain nutrients, substances necessary for life. Green plants which are known as autotrophs has the ability to produce their own food through the process of photosynthesis.

The main features of photosynthesis include:

It takes place in the chloroplasts of plants, in the presence of sunlight.

The energy needed for the process is gotten from sunlight which is absorbed by chlorophyll found in the chloroplasts.

The raw materials used are low-energy containing inorganic compounds, example: carbon dioxide and water.

The final products are high-energy containing sugars. oxygen is given off as a waste product.

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Yes, the unlabeled clear liquid water has a density of 1 gram/liter.

Density refers to the mass of an object in unit volume of a substance. The formula for density can be represented as density = Mass / Volume. Density is expressed in grams / cubic centimeter. A common unit of measurement for water's density is gram per milliliter i.e. 1 g/ml or 1 gram per cubic centimeter i.e. 1 g/cm3.

So the exact density of water is not 1 g/ml, but rather less at 0.99 g/ml at 4° Celsius which is about 39.2° Fahrenheit. Water is an inorganic, transparent, odorless, and colorless chemical substance that is the main constituent of the hydrosphere of the earth and the fluids of all living organisms. It is important for all forms of life despite providing no food, energy, or organic micro-nutrients.

So we can conclude that the unlabeled clear liquid water has 1 gram/liter of density.

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Answer:

average kinetic energy

Explanation:

Both the desirable alkene and the unwanted triphenylphosphine oxide dissolve in DCM in this experiment. Triphenylphosphine (IUPAC name: triphenylphosphane).

is a typical organophosphorus substance with the formula P(C6H5)3, often known as PPh3 or Ph3P. The synthesis of organic and organometallic compounds makes extensive use of it. Colorless crystals of PPh3 are relatively air stable is called Triphenylphosphine.

A hydrocarbon with a carbon-carbon double bond is known as an alkene in organic chemistry. Any hydrocarbon with one or more double bonds is referred to as an alkene, which is frequently used as a synonym for an olefin. A hydrocarbon with a carbon-carbon double bond is known as an alkene in organic chemistry.

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Answer:

sp3

Explanation:

4 bonds to central atom with no lone pair

Answer:

Oxygen reacts with the carbon anode to form carbon dioxide. Therefore, the anode gradually oxidizes. They must be replaced frequently, which increases the cost of aluminum production.

Answer:

this one is 1

Explanation:

The bond order of Br2 is 1.

What is bond order?

Bond order defines the number of chemical bonds between a pair of atoms and is a measure of a bond's stability.

Since bromine only needs one more electron to complete an octet, it will work tirelessly to acquire it. A bromine atom joins with another bromine atom to do this through a covalent connection.

Hence bond order of Br2 is 1

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The bond formed between two nonmetals, which are usually very similar in their tendency to lose or gain electrons, is the covalent bond. This bond involves the sharing of one or more electron pairs between the two atoms.

What is covalent bond?

A covalent bond is formed when two atoms exchange one or more pairs of electrons. The two atomic nuclei are concurrently drawing these electrons to them. When the difference between the electronegativities of two atoms is too tiny for an electron transfer to take place to create ions, a covalent bond is formed.

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In this process, the systems undergo phase and temperature changes.

Hence , option C is correct.

How does this happens?

In this process, ice is melted to water thus, it's phase changes.

After mixing ice temperature of the tea goes down. Thus, temperature of the system also changes.

Therefore, in the process both phase and temperature change.

Phase Change = There are three types of phases  solid, liquid, or gas. Melting, freezing, evaporating, condensing, sublimation, and deposition are the six ways a substance can transition between these three phases.

Temperature Change = Temperature change on the other hand can be defined as sudden increase or decrease in the temperature.

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