Can all Halogens be used in haogenation of alkenes why or why not ?

The range of the of the oxidation number of the first transition series is +2 to +6.

Transition elements or transition metals are elements or metals that have partially filled d orbitals.

The first main transition series begins with either;

Thus, the range of the of the oxidation number of the first transition series is +2 to +6.

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Answer:

1.818x10²³ particles

Explanation:

Add the two atomic masses given to get 74.55 g.

Divide the number of grams given by the molar mass of KCl:

22.5g ÷ 74.55 = 0.302 mol

Multiply the moles by 6.022×10²³ particles

Answer:

The 85 degree F glass will have an accelerated chemical reaction, because the water was warmer.

Explanation:

The glass of water with the higher temperature will have an accelerated chemical reaction because the water is warmer.

The rate of chemical reaction is directly proportional to the temperature changes.

As temperature increases so is the reaction rate.

The plan of care for a client who takes lithium should include periodic laboratory monitoring of renal and thyroid function and the correct option is option 3.

Two major long-term risks of lithium therapy are hypothyroidism and impairment of the kidney's ability to concentrate urine

Therefore, a person receiving lithium therapy must have periodic follow-ups to assess thyroid and renal function.

Weight gain and fine tremors are common side effects associated with this medication, but the patient should continue taking the medication.

Thus the ideal selection is option 3.

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When transferring flammable liquids from storage drums to smaller electrically conductive containers, bonding and grounding are required. In any workplace, you should do the same whenever you move these liquids between conductive containers.

Ground dispensing drums in the area for storing and dispensing flammable liquids. Connecting the container to an already grounded, electrically conductive object grounds it. This could be a grounded metal construction framework, a buried metal plate, a metallic subsurface gas piping system, or metal water pipes. Sparks are prevented from discharging by bonding the two containers together and grounding one of them. All connections for bonding and grounding must be made from bare metal to bare metal.

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Explanation:

We can assume that room temperature is 25 °C.

The melting point of a pure substance is the temperature at which it changes state from solid to liquid. The metling point of our substance is -187 °C. Since the room temperature is 25 °C we can say that it won't be solid. At least it will be liquid.

The boiling point of a pure substance is the temperature at which it changes state from liquid to gas. The boiling point of our substance is 42 °C. At room temperature we are under that temperature, so it won't convert into a gas. It will remain as a liquid also.

Since room temperature is between the boiling and melting point of our substance, the physical state is liquid.

Answer: liquid

In the chemical reaction the reactants are oxygen and ethanolc acid while the product are water and carbon dioxide.

In a chemical reaction, reactants are the substances that react with each other to form products.

Therefore, oxygen and ethanoic acid are reactants while carbon dioxide and water are products.In a combustion reaction, a substance is burned in the presence of oxygen, resulting in the release of heat and light.

During this reaction, the oxygen reacts with the substance to produce carbon dioxide and water. In the given reaction, ethanoic acid (CH3COOH) is burned in the presence of oxygen (O2), producing carbon dioxide (CO2) and water (H2O).

Thus, oxygen and ethanoic acid are reactants, while carbon dioxide and water are products.

The combustion reaction of ethanoic acid is shown as follows:

2CH3COOH + 3O2 = 2CO2 + 2H2O + heat and light

This means that for every two molecules of ethanoic acid and three molecules of oxygen that react, two molecules of carbon dioxide and two molecules of water are produced. The heat and light produced are also released.

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Answer:

I think it is C

Explanation:

We have that the reaction and a decrease in the concentration of the reactants will favor the reverse reaction that is the decomposition of the yellow iodine trichloride and the formation of green chlorine gas and brown iodine chloride

Given that some green chlorine gas, which is part of the reactant, will be removed, the reverse reaction will be favored and initial concentration of the yellow iodine trichloride and the green chlorine gas will be reduced while the proportional concentration of the brown iodine chloride will increase and the mixture will become more brown.

Answer:

d because you don't like math or any subject

Answer:

1. Methyl propanoate.

2. Propanol.

3. 2–pentyne

Explanation:

1. The functional group in this case is ester. We name ester by naming the group after the functional group (–COO) then followed by the parent compound with the name ending with –oate.

The group after the functional is methyl i.e —CH3.

The parent compound has 3 carbon i.e propane. The functional group replaces the –e in propane with –oate.

Therefore, the name of the compound is:

Methyl propanoate.

2. In this case the functional group is

–OH i.e alcohol.

The compound has 3 carbon i.e propane. The functional group replaces the –e in propane with –ol.

Therefore, the name of the compound is:

Propanol.

3. The triple bond represents the functional group in this case i.e alkyne. We'll give the triple bond the lowest low count by counting from the left. The triple bond is at carbon 2.

The compound has 5 carbon i.e pentyne since it contains triple.

The name of the compound is:

2–pentyne

Answer:

ok i dont get your question fully but i'll answer

When copper sulfate is dissolved in water in a beaker, a bright blue liquid or solution is formed. If copper sulfate is added until no more will dissolve, a saturated solution is formed. And some blue crystals will remain at the bottom of the beaker due to crystallization reaction. It is the process by which a solid form, where the atoms or molecules are highly organized into a structure known as a crystal.

Crustal deformation builds landforms when two tectonic plates start to push into each other they can rise up and build mountains, or when they sink under, they create valleys.

Tectonic pressure in a crust can cause folding. Folding can end up with  the formation of valleys and mountains so we can conclude that when two tectonic plates start to push into each other they can rise up and build mountains, or when they sink under, they create deep valleys.

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Boiling water on a stove is an example of thermal energy. Thermal energy is produced when the atoms and molecules in a substance vibrate faster due to a rise in temperature.

Answer:

This 2.5061243 moles is in 4 liters.

Answer:

\(1.7137\ \text{mg/L}\)

Explanation:

Chlorine gas available = 27 lbs = \(27\times 453.59237=12247\ \text{g}\)

Amount of water used each day = 750000 gal = \(750000\times3.785411784=2839058.84\ \text{L}\)

Rate at which chlorine gas used = 2.6 mg/L

Chlorine gas used

\(2839058.84\times 2.6\times 10^{-3}=7381.55\ \text{g}\)

Residual content of chlorine = \(12247-7381.55=4865.45\ \text{g}\)

Concentration of the residual chlorine is given by

\(\dfrac{4865.45}{2839058.84}=0.0017137\ \text{g/L}=1.7137\ \text{mg/L}\)

Concentration of the residual chlorine is \(1.7137\ \text{mg/L}\).

The product is dried using anhydrous sodium sulfate by using the intermolecular forces of adsorption. Ion-dipole interactions are the intermolecular forces that make salt water (brine) more effective in removing water from an organic layer than pure water alone. Le Chatelier's principle is the term used to describe the occurrence of upsetting an equilibrium and causing it to rebalance.

The product is dried using anhydrous sodium sulfate by using the intermolecular forces of adsorption. Since sodium sulfate has a high affinity for water molecules, it is very hygroscopic. By hydrogen attaching the water molecules to its surface, it may efficiently absorb water from the product.

Ion-dipole interactions are the intermolecular forces that make salt water (brine) more effective in removing water from an organic layer than pure water alone. Sodium ions (Na⁺) and chloride ions (Cl⁻) are formed when salt (sodium chloride) dissolves in water. The solubility of water in the brine can be improved by these ions' ability to create ion-dipole interactions with the polar water molecules. The dissolved ions make the solution more polar, which improves its ability to draw water out of the organic layer.

Le Chatelier's principle is the term used to describe the occurrence of upsetting an equilibrium and causing it to rebalance. According to Le Chatelier's principle, if a system that is in equilibrium is subjected to a change in circumstances like concentration, temperature, or pressure, the system will move in a way that helps re-establish equilibrium by counteracting the imposed change. The system shifts in the direction that produces more of the alkene product to restore equilibrium in the scenario provided when the alkene product is physically removed from the equilibrium mixture.

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Answer:

A. Lithium and Bromine (LiBr)

Explanation:

Ionic bonds are chemical compounds formed between a metal and nonmetal. Lithium is a metal and Bromine is a nonmetal, therefore they would combine to produce an ionic bond.

- Oxygen and Hydrogen are both nonmetals, therefore they cannot produce an ionic bond when combined.

- Carbon and Oxygen are both nonmetals, therefore they cannot produce an ionic bond when combined.

- Nitrogen and Fluorine are both nonmetals, therefore they cannot produce an ionic bond when combined.

Answer:

The less valence electrons an atom has, the least likely it will gain electrons. Electron affinity decreases down the groups and from right to left across the periods on the periodic table because the electrons are placed in a higher energy level far

Explanation:

Answer:

Electron affinity increases upward for the groups and from left to right across periods of a periodic table because the electrons added to energy levels become closer to the nucleus, thus a stronger attraction between the nucleus and its electrons. Remember that greater the distance, the less of an attraction; thus, less energy is released when an electron is added to the outside orbital. In addition, the more valence electrons an element has, the more likely it is to gain electrons to form a stable octet. The less valence electrons an atom has, the least likely it will gain electrons.

Electron affinity decreases down the groups and from right to left across the periods on the periodic table because the electrons are placed in a higher energy level far from the nucleus, thus a decrease from its pull. However, one might think that since the number of valence electrons increase going down the group, the element should be more stable and have higher electron affinity. One fails to account for the shielding affect. As one goes down the period, the shielding effect increases, thus repulsion occurs between the electrons. This is why the attraction between the electron and the nucleus decreases as one goes down the group in the periodic table. hope i helped

Explanation:

Answer: a-f

b-t

c-t

Explanation:

Answer:

The potential energy of the two vehicles increased because they were moved against the magnatic forces. The potential energy of the pink car increased more then the potential energy of the purple car because the pink car was closer to the center magnet.

Explanation: I had this same exact question on a quiz and this was my response and I got a 100%

The effects of the movement of the cars closer to the center of the magnet are ;

A) The potential energy of the Two vehicles will be increased

B) The potential energy of one car ( pink car) will change more than purple car due to the distance between the pink car and the center magnet.

Potential energy is the energy contained in a body at rest, The increase in potential energy occur when an object continues to be at rest ( i.e. opposes movement ).

When the cars are moved closer to the center magnet the cars will oppose the motion because their movement is against the magnetic forces that exist between the center magnet and the cars ( i.e. like pole repel while unlike poles attract ).  so as Lucia moves the cars closer their potential energies will continually increase ( i.e. the closer the car the higher its potential energy ).

Therefore the pink car been closer to the center magnet will experience a higher change in its potential energy than the purple car.

Hence we can conclude that The effects of the movement of the cars closer to the center of the magnet are ;  The potential energy of the Two vehicles will be increased, The potential energy of one car ( pink car) will change more than purple car due to the distance between the pink car and the center magnet.

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There are three sets of hydrogens in 2,2-dimethyl pentane, with a total of 12 hydrogens.

The molecular formula of 2,2-dimethyl pentane is C7H16. The structure of the molecule consists of a chain of five carbon atoms, with two methyl groups (CH3) attached to the second carbon atom. Since the two methyl groups are identical, the hydrogens attached to them are also identical and form one set. Thus, there are two hydrogens in this set.

The remaining five carbon atoms in the chain have a total of 10 hydrogens. However, these hydrogens are not all the same. Some of them are attached to primary carbon atoms (carbon atoms that are directly attached to only one other carbon atom), while others are attached to secondary carbon atoms (carbon atoms that are directly attached to two other carbon atoms).

The hydrogens attached to primary carbon atoms form one set, while those attached to secondary carbon atoms form another set. Therefore, there are two sets of hydrogens in the chain, each with five hydrogens.

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There are three different types (sets) of hydrogens in 2,2-dimethylpentane: 6 primary hydrogens (H-C-C), 2 secondary hydrogens (H-C-C-C), and 6 tertiary hydrogens (H-C-C(C)(C)).

The number of different types (sets) of hydrogens in a molecule is determined by the number and types of carbon atoms to which the hydrogens are attached. In 2,2-dim ethyl pentane, there are five carbon atoms, each with a different number of attached hydrogen atoms. The central carbon atom has two methyl groups attached to it, making it a tertiary carbon atom and giving it six tertiary hydrogens. The two carbon atoms next to it each have one methyl group attached to them, making them secondary carbon atoms and giving them two secondary hydrogens each. The two end carbon atoms have no methyl groups attached to them, making them primary carbon atoms and giving them three primary hydrogens each. Therefore, there are three different types (sets) of hydrogens in 2,2-dimethylpentane.

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With the substance's molar mass in hand, we can use a periodic table or chemical database to look up potential candidates.

We must know the substance's molar mass in order to identify it. By dividing the mass of the sample by the number of moles in the sample, we may determine the molar mass:

Molar mass is equal to the mass of the sample divided by the number of moles.

100 g molar mass = 0.4892767658 mol

204.54 g/mol for the molar mass

With the substance's molar mass in hand, we can use a periodic table or chemical database to look up potential candidates. The substance might be sodium chloride (NaCl), calcium phosphate (Ca3(PO4)2), or many other chemicals with a comparable molar mass, depending on the molar mass.

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A radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron.With some exceptions, these unpaired electrons make radicals highly chemically reactive.Organic radicals are stabilized by any or all of these factors: presence of electronegativity, delocalization, and steric hindrance.Organic radicals are inherently electron deficient thus the greater the electronegativity of the atom on which the unpaired electron resides the less stable the radical.Organic radicals are inherently electron deficient thus the greater the electronegativity of the atom on which the unpaired electron resides the less stable the radical.The greater the steric hindrance the more difficult it is for reactions to take place, and the radical form is favored by default.

The least stable radical is methyl radicals

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In the procedure, step 3(a) states that washing the precipitate is necessary. The reason for washing the precipitate with hot water is that it removes any remaining impurities and unreacted chemicals.

Washing the precipitate helps to purify it and remove unwanted particles. Hot water is used because it can dissolve impurities and wash them away more effectively than cold water. Additionally, the hot water can increase the rate of precipitation, making the process faster. If the precipitate is not washed properly, it can have a negative effect on the final product. The washing process ensures that the precipitate is pure and ready for further use. Overall, washing the precipitate is a crucial step in the procedure to ensure the purity and quality of the final product.

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Answer:

Correct answer is A.

Explanation:

Frequency is the number of oscillations that a wave have per unit time. Since time is measured in seconds, the wave with the highest frequency must register the highest number of oscillation per second. Hence, correct answer is A.

The main difference between cobalt (II) fluoride and cobalt (III) fluoride is the oxidation state of the cobalt ion.

Cobalt (II) fluoride and cobalt (III) fluoride are cobalt and fluoride chemical compounds. The oxidation state of cobalt differs amongst them.

Cobalt (II) fluoride is a binary ionic compound made up of cobalt (Co) and fluoride (F) ions. Cobalt has an oxidation state of +2 in this combination, and fluoride has an oxidation state of -1. CoF2 is the formula for cobalt (II) fluoride.

Cobalt (III) fluoride is a binary ionic compound made up of cobalt (Co) and fluoride (F) ions. Cobalt has a +3 oxidation state in this molecule, and fluoride has a -1 oxidation state. CoF3 denotes the chemical formula for cobalt (III) fluoride.

The two compounds' physical and chemical properties differ due to changes in cobalt oxidation states.

Cobalt (II) fluoride, for example, is a pink crystalline solid with a melting temperature of 1,116 degrees Celsius, whereas cobalt (III) fluoride is a black crystalline solid with a melting point of 1,276 degrees Celsius.

Furthermore, cobalt (II) fluoride is soluble in water, whereas cobalt (III) fluoride is not.

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Peanuts, or milk please leave like if right

Answer:

air

Explanation:

A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.

Answer:

a: palladium or Pd

b: arsenic or As

c: magnesium or Mg

d: radon or Rn

e: francium kr Fr

Explanation:

i looked at the periodic table haha

a. The element in group 10 and period 5 is palladium or Pd. b. The element in group 15 and period 4 is arsenic or As.  c. The element in group 2 and period 3 is magnesium or Mg. d. The element in group 18 and period 6 is  radon or Rn. e. The element in group 1 and period 7 is francium or Fr.

A chemical element is a species of atoms, including the pure substance made entirely of that species, that have a specific number of protons in their nuclei. Chemical elements, in contrast to chemical compounds, cannot be reduced by any chemical process into simpler molecules.

A substance is considered to be an element if it cannot be reduced to a less complex form. They can be identified by their particular atomic number. The periodic table groups the elements according to their atomic number and draws attention to those with related qualities.

Each element's atom contains a specific number of protons. For instance, a carbon atom has six protons compared to the one proton in a hydrogen atom. Ions are created by changing the number of electrons in an element's atom.

Thus,  The element in group 10 and period 5 is palladium or Pd.

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The two important electron carriers that are required for the production of ATP in animals are NADH (nicotinamide adenine dinucleotide) and FADH2 (flavin adenine dinucleotide).

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The two important electron carriers that are required for ATP production in animals are NADH (nicotinamide adenine dinucleotide) and FADH2 (flavin adenine dinucleotide).

During cellular respiration, NADH and FADH2 are oxidized by the electron transport chain, releasing electrons that are passed from one protein complex to the next, ultimately generating a proton gradient that drives ATP synthesis. NADH is produced during glycolysis and the citric acid cycle, while FADH2 is produced only during the citric acid cycle. Both electron carriers donate their electrons to the electron transport chain, but NADH donates its electrons earlier in the chain, generating more ATP than FADH2. Together, NADH and FADH2 play a crucial role in the production of ATP, the energy currency of the cell.

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Charles's Law-

\(\:\:\:\:\:\: \:\:\:\:\:\:\star\longrightarrow\sf \underline{\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}}\\\)

Where:-

As per question, we are given that -

Now that we have obtained all the required values, so we can put them into the formula and solve for V₂ :-

\(\:\:\:\:\:\: \:\:\:\:\:\:\star\longrightarrow\sf \underline{\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}}\\\)

\( \:\:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf V_2= \dfrac{V_1}{T_1}\times T_2\\\)

\( \:\:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf V_2= \dfrac{600}{350}\times 359\\\)

\( \:\:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf V_2= 1.71428..............\times 359\\\)

\(\:\:\:\:\:\: \:\:\:\:\:\:\longrightarrow \sf V_2 =615.4285................\\\)

\( \:\:\:\:\:\:\:\:\:\:\:\:\longrightarrow \sf\underline{ V_2= 615.42\:mL}\\\)

Therefore, the new volume of the gas will become 615.42 mL when pressure remains constant.

Answer:

\(\boxed {\boxed {\sf 4 \ g/cm^3}}\)

Explanation:

We are asked to find the density of a brick. Density is a substance's mass per unit volume. The formula for calculating density is as follows.

\(\rho= \frac{m}{v}\)

The mass of the brick is 100 grams and the volume is 25 cubic centimeters.

Substitute the values into the formula.

\(\rho= \frac{ 100 \ g}{25 \ cm^3}\)

Divide.

\(\rho=4 \ g/cm^3\)

The density of the brick is 4 grams per cubic centimeter.