what is the difference between a substance ""getting wet"" and ""being dissolved"" in a liquid at the particulate leve

The proper waste container/area will be:

Solid waste;

Sink

Glass waste;

We must keep in mind that waste refers to a substance that is no longer in use. while we are discussing a waste. We refer to items that we will eventually discard or that we won't be able to put out.

The waste can then be separated according to the type of waste that it is, as demonstrated above.

Your question is incomplete but most probably your full question was

Sort the following into the proper waste container/area. Solid Waste Container Liquid Waste Container Glass Waste Container Trash Sink used filter paper acetone rinse broken waterless condenser leftover water from ice bath leftover starting material reaction filtrate melting point tube

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The difference in the physical states of oxygen and sulfur is due to the difference in the strength of the bonds between the elements and the hydrogen atoms.

What is hydrogen atoms?

Hydrogen atoms are the simplest and most abundant atom in the universe. They consist of a single proton and a single electron. Hydrogen atoms are among the building blocks of life, forming the basis of all living matter. Hydrogen is found in water, proteins, fats, carbohydrates, and DNA. It is also the main component of stars and gas planets in the universe. Hydrogen atoms are the lightest of all elements and are highly reactive, forming compounds with a wide variety of other elements. Because of their small size, hydrogen atoms are essential for many chemical and biological processes, such as the formation of water, the production of energy in cells, and the formation of chemical bonds. Hydrogen atoms are also used in industrial processes and to create fuel for transportation.

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After completing the task experiment, the velocity of the cart does not change is referred to as a true statement.

This is referred to as the rate of change of the object's position with respect to a frame of reference and time.

Since we were told that the experiment had been completed , then we can assume that the cart is at a state of rest which therefore means that there will be no change in its velocity and is therefore the reason why true was chosen as the correct choice.

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It is untrue to say that aldehydes have a core carbon bonded to two additional carbons.

The carbonyl group in an aldehyde has a covalent bond on one side with hydrogen and another on the other with carbon. Because the carbonyl carbon in formaldehyde is connected to two hydrogens, it is an exception to this rule.

The simplest aldehyde structure, formaldehyde, often known as methanal, has the formula CH₂O. Ketone molecules consist of a core atom that is joined to two extra carbons via two bonds. It may be formulated using the equation R₂C=O. Acetone (propanone), whose chemical formula is (CH₃)₂CO, is the ketone with the most straightforward chemical structure.

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Ammonium chloride (NH4Cl), also known as 'sal ammoniac', is a salt of ammonia and hydrogen chloride. Its most common applications are as a nitrogen source in fertilisers and as an electrolyte in dry cells.

What are the uses of Ammonium chloride (NH4Cl)?

Ammonium chloride (NH4Cl) has several uses, including:

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Answer: 9.8 meters per second

Explanation:

To prepare 1 L of a 0.0400 M anserine buffered solution with a pH of 7.20, we can first calculate the isoelectric point (pI) of anserine.

Next, we need to determine the desired pH and the starting pH of the solution. The starting pH of the 0.200 M anserine solution at its pI is 7.00, and the desired pH is 7.20.

We can use the formula for the buffer capacity,

Buffer capacity = (base concentration) / (acid concentration)

The buffer capacity of the anserine solution is:

Buffer capacity = (0.200 M) / (0.300 M) = 2/3

Since the buffer capacity is less than 1, we can add a small amount of NaOH to raise the pH to 7.20 without a significant change in pH. We can calculate the volume of 0.300 M NaOH solution needed to raise the pH by 0.20 units:

Volume of NaOH = (Buffer capacity) * (Change in pH) * (Volume of solution)

= (2/3) * (0.20) * (1 L) = 0.133 L

So, we need to add 0.133 L of 0.300 M HCl to 1 L of 0.200 M anserine solution to reach a pH of 7.20.

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Answer:

49.63 grams of CO2 is produced from the reaction of 3 moles of CO2 and 4 moles of Fe. Therefore, 4 moles of Fe is produced, which is equal to 192.16 grams of Fe.

Answer:49.63 grams of CO2...  the girl on top is correct

Explanation:

Jet streams are located about five to nine miles above Earth's surface in the mid to upper troposphere — the layer of Earth's atmosphere where we live and breathe. Airplanes also fly in the mid to upper troposphere. The jet stream would pass from polar cell.

Jet streams are narrow currents of relatively fast west-to-east winds at altitudes of 6 to 9 miles (9 to 14 kilometres) above sea level. These meandering "rivers" of air can be traced around the world in thousands of kilometres long, hundreds of kilometres wide, and several kilometres thick segments.
The northern hemisphere polar jet flows over the middle to northern latitudes of North America, Europe, and Asia, as well as the oceans that connect them, all year. The southern hemisphere polar jet mostly circles Antarctica.
Polar regions surround the North and South Poles of the Earth. The Arctic refers to the region surrounding the North Pole. Antarctica is the region surrounding the South Pole. These areas have distinct climates.

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The bond angle assigned to molecular geometry is based upon the positions of the bonded atoms in the molecule and the arrangements of the bonds between them, including both sigma and pi bonds.

What are Sigma bonds?

Sigma bonds are formed by the overlapping of atomic orbitals along the internuclear axis and are stronger and more directional than pi bonds. Pi bonds are formed by the lateral overlap of p orbitals and are weaker and less directional than sigma bonds.

In molecular geometry, the bond angles are determined by the arrangement of the sigma and pi bonds in the molecule. For example, the bond angles in a molecule with a trigonal planar geometry, such as BF3, are determined by the arrangement of the three sigma bonds between the central atom and the peripheral atoms. In a molecule with a tetrahedral geometry, such as CH4, the bond angles are determined by the arrangement of the four sigma bonds between the central atom and the peripheral atoms.

In general, the bond angles in a molecule are influenced by both the arrangement of the sigma and pi bonds and the electronic properties of the bonded atoms, such as their electron configuration and the hybridization of their orbitals.

The bond angle assigned to the molecular geometry is an important factor in determining the physical and chemical properties of a molecule, such as its reactivity, stability, and reactivity.

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A. 1. Benzonitrile 2. p-methylbenzonitrile 3. p-methoxybenzonitrile

B. o-bromotoluene >  bromobenzene > bromochlorobenzene

Alkyl,-OR,-NH2, and other activation groups on benzophenone make it more responsive to electrophilic substitution.

These are all electron density donating groups which will increase the electron density of the whole compound

Deactivating groups in benzene, such as halide, -CN, and -CHO, make it less reactive to electrophilic substitution.

These are all electron density  withdrawing  groups which will decrease the electron density of the whole compound

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A food that excites the taste receptors that allow positively charged hydrogen ions to enter cells is likely to have a sour taste.

One of the original four basic taste qualities, sour taste has long been recognised as a distinct taste sensation and is uniformly unfavourable across a wide range of species. It is elicited by low pH.

It is typically accepted that it originated for the purpose of detecting acids in underripe fruit and damaged food. But despite years of research, the receptor, neurotransmitter, and circuits for sour taste have only lately been discovered.

Since ancient times, it has been understood that one of the fundamental taste characteristics sensed by the tongue is sour, the flavor generated by lemons and other acids. However, it is unknown how sour taste transduction and information processing work.

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A food that excites the taste receptors that allow positively charged hydrogen ions to enter cells is likely to have a sour taste.

The sour taste is one of the five basic tastes, along with sweet, salty, bitter, and umami. Sourness is perceived when positively charged hydrogen ions (H+) enter the taste receptor cells in the mouth, leading to an electrical signal that is transmitted to the brain. The sour taste is often associated with acidic substances, such as lemon juice or vinegar, which have a low pH and a high concentration of hydrogen ions.

The sour taste helps to detect the acidity of foods, which can be an indicator of spoilage. In general, sourness is an important sensory cue that helps to regulate food intake and maintain acid-base balance in the body. For example, sourness may stimulate saliva production, which can help to neutralize acids in the mouth and protect the teeth.

In conclusion, sour taste is the result of the detection of positively charged hydrogen ions (H+) by taste receptor cells, leading to an electrical signal that is transmitted to the brain. The sour taste is an important sensory cue that helps to detect acidity and regulate food intake.

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Fe2S3 Fe2+S2- Ionic Compound Cation Anion Chemical compounds known as ions are kept together by electrostatic forces and are made up of positive ions (cations) and negative ions (anions). Typically, cations

Fe2S3 is a chemical compound that also goes by the names iron sulphide and iron(III) sulphide. It is a solid that naturally occurs as the pyrite and marcasite minerals in shades of dark brown to black. In the production of sulfuric acid, as well as in the creation of fertilisers and pigments, Fe2S3 is frequently utilised as a source of sulphur. Fe2S3 is a typical impurity in the steel industry that can be problematic during the casting and rolling operations. Additionally, it can function as a catalyst in processes involving organic synthesis. Despite being comparatively inert, Fe2S3 can corrode and release poisonous hydrogen sulphide gas.

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The name of the element is Arsenic (As). Atomic number of arsenic is 33 and its mass number is 77.

Atomic number is defined as the number of a chemical element located in the periodic system, where the elements are arranged in order of increasing number of protons in the nucleus. Accordingly, the number of protons, which is always equal to the total number of electrons in the neutral atom, is also known as the atomic number.

Mass number is defined as the the total number of protons and neutrons present in an atom. Mass number can be calculated by adding the number of neutrons and the number of protons (atomic number) together.

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There are 8.25 x [tex]10^{22}[/tex] atoms per cubic centimeter of solid Cr.

First, find the number of moles of Cr per cubic centimeter by using the density of Cr The formula for density is:

density = mass/volume

Now, by rearranging this formula to find the mass, and then use the molar mass of Cr to find the no. of moles:

mass = density x volume

moles = mass / molar mass

The volume of 1 cubic centimeter = [tex]1 cm^3[/tex].

The molar mass of Cr is 51.9961 g/mol.

So,

mass = [tex]7.15 g/cm^3[/tex] x [tex]1 cm^3[/tex] = 7.15 g

moles = 7.15 g / 51.9961 g/mol = 0.1373 mol

Next, we can find the number of atoms per mole of Cr. One mole of Cr contains Avogadro's number of atoms, which is 6.022 x [tex]10^{23}[/tex] atoms/mol. So,

number of atoms = Avogadro's number x moles

= 6.022 x [tex]10^{23}[/tex] atoms/mol x 0.1373 mol

= 8.25 x [tex]10^{22}[/tex] atoms

Therefore, there are 8.25 x [tex]10^{22}[/tex] atoms per cubic centimeter of solid Cr.

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The qualities and dangers of a chemical substance are detailed in a Safety Data Sheet (SDS), along with handling, storage, and emergency response recommendations.

Look over the identification section: The item's name, supplier details, and product identification number are all included in this section (such as a product code or CAS number).

Read the hazard information: This section contains details about the substance's potentially harmful characteristics, such as its flammability, potential health risks, and environmental risks.

Please review the composition section: This section contains details on the composition of the product's constituents, their concentrations, and any impurities' characteristics.

Read the first-aid instructions: What to do in the event of a catastrophe or emergency is covered in this section.

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The mole ratio of hydrogen to water in the given balanced chemical equation is 2:2.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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Considering the least stable object in the figure above, hydrogenation requires greater heat. B>A>C>D is the order in which heat evolved.

When hydrogen molecules are utilized to saturate organic compounds, the process is known as hydrogenation. Regardless of the type of hydrocarbon, this process works best under specific catalytic conditions and under controlled temperatures.

Introduction. Processes like hydrogenation are an illustration of just an alkene addition reaction. An alkene undergoes a hydrogenation reaction, which produces a saturated alkane by adding two hydrogen atoms across the double bond.

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B) Br2,dark is  necessary to prepare tert-butyl alcohol from 2-methylpropane.

This process involves the bromination of 2-methylpropane using bromine (Br2) in the dark to produce 2-bromo-2-methylpropane. This reaction can be carried out using a Br2/CCl4 mixture, which allows for the bromination to occur without the formation of by-products due to exposure to light. The reaction mechanism involves the formation of a carbocation intermediate, which is then attacked by bromine to produce the brominated product. The 2-bromo-2-methylpropane can then be converted to tert-butyl alcohol through a series of hydrolysis and reduction reactions, using reagents such as H2O, H2SO4, NaOEt, EtOH, etc. However, the specific reagents and reaction conditions will depend on the desired yield, efficiency, and selectivity of the reaction.

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We can calculate the concentration by using Molar formula. So we can conclude that the concentration of bam's solution in units of g solute/100 g solvent  is  1,3043 Molar.

In the term of chemistry, concentration generally can be defined as the abundance of a constituent divided by the total volume of a mixture.

If Bam added 8,05 g of CsCl to 36,66 ml of [tex]H_2O[/tex], so we can calculate the concentration with formula:

M = [tex]\frac{mass of solute}{Mr solute}x\frac{1000}{volume solvent in ml}[/tex]

M (concentration) of solute in  g solute/100 g solvent = [tex]\frac{8,05 g}{168.36 g/mol} x\frac{1000}{36,66 ml}[/tex]

M (concentration) of solute in  g solute/100 g solvent = 1,3043 Molar

So we can conclude that he concentration of bam's solution in units of g solute/100 g solvent is  1,3043 Molar.

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Chemistry of life is distinguished from other types of chemistry by the virtue of options A: It takes place almost exclusively in water and option C : It is dominated by collections of polymers.

Chemistry of life is overwhelmingly based on carbon-containing compounds. It takes place almost exclusively in water and is tightly regulated and enormously complex, which is dominated by collections of polymers. Chemistry of life differs from other types of chemistry in that it employs complex organic molecules such as carbohydrates, lipids, nucleic acids, and proteins to perform a wide range of functions required for the maintenance and perpetuation of life. Furthermore, enzymes, which are proteins that act as catalysts to speed up metabolic processes, regulate and control the chemical reactions that occur in living organisms. Chemistry of life also includes a continuous flow of energy through metabolic pathways, allowing living organisms to grow, reproduce, and respond to their surroundings.

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1. Calculate the required mass of ammonia:

Mass of ammonia = (0.3 g/100 mL) * (1000 mL) = 30 g

2. Calculate the volume of 2 M ammonia solution required to make 0.3% solution:

Volume of 2 M ammonia solution = (30 g/14 g/mL) = 2.14 mL

3. Calculate the volume of methanol required:

Volume of methanol = (1000 mL) - (2.14 mL) = 997.86 mL

4. Prepare the solution:

Add 2.14 mL of 2 M ammonia solution in 997.86 mL of methanol. Stir the solution until homogeneous. The solution is ready for use.

What is solution?

A solution is a homogeneous mixture composed of two or more substances. In a solution, the solute is dissolved in the solvent. Solutions are formed when the molecules of the solute separate from each other and spread out evenly throughout the solvent. Examples of solutions include salt water, rubbing alcohol, and sugar dissolved in water.

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The  best described expected product is a secondary alcohol.  

The reaction below is the reaction between a primary alcohol and an epoxide:

R-OH + R'-O-R'' → R-O-R' + R''-OH

Based on this reaction, the expected product is a mixture of two compounds: an alkoxyalkane (R-O-R') and a secondary alcohol (R''-OH). The primary alcohol has reacted with the epoxide to form the alkoxyalkane, while the other part of the epoxide has broken down to form the secondary alcohol. The R and R' groups in the reaction can be different or the same, depending on the specific alcohol and epoxide being used.

So, the expected product is a secondary alcohol.

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The empirical formula is FeS2.

The molecular formula is Fe4S8.

The empirical formula of a chemical compound is described as the simplest whole number ratio of atoms present in a compound.

The empirical formula is gotten below:

Fe: 3.0 g / 55.85 g/mol = 0.0538 mol

S: 4.81 g / 32.06 g/mol = 0.1503 mol

So the mole ratio of Fe to S is 0.0538 / 0.1503 = 0.359

Rounding off to the mole ratio of Fe:S as 1:2, so the empirical formula is FeS2.

The molecular formula is gotten below:

456.18 g/mol / (55.85 g/mol + 2 x 32.06 g/mol) = 456.18 g/mol / (119.97 g/mol) = 3.81

Rounding off gives 4, so the molecular formula is Fe4S8.

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Answer:

he heat generated when water reacts in contact with the cement powder

Explanation:

Mass of sulfur is 3.45g. Mole, often abbreviated as mol, is a commonly used unit of measurement in chemistry.

Mole, often abbreviated as mol, is a commonly used unit of measurement in chemistry for vast amounts of tiny objects like molecule, atoms, or other specific particles. In addition, starting on May 20, 2019, the General Conference on Measures and Weights declared the mole as the quantity of the International System of Units. Additionally, practically all compounds have the same amount of additional particles or atoms in a mole.

2 Al + 3S [tex]\rightarrow[/tex] Al[tex]_2[/tex]S[tex]_3[/tex]

moles of Al[tex]_2[/tex]S[tex]_3[/tex]=5.53/150.16=0.036moles

The mole ratio between sulfur and  Al[tex]_2[/tex]S[tex]_3[/tex] is 3:1

moles of sulfur= 3× 0.036=0.108moles

mass of sulfur= 0.108×32=3.45g

Therefore, mass of sulfur is 3.45g.

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The fraction of the neutron's kinetic energy that is transferred to the carbon nucleus in a collision can be calculated using the law of conservation of energy and the law of conservation of momentum. The two laws state that the total energy and momentum of a system are conserved before and after a collision.

In a collision between a neutron and a carbon nucleus, the kinetic energy of the neutron is converted into kinetic energy of the carbon nucleus and potential energy, which is stored in the new bonds formed between the neutron and the nucleus.

The fraction of the neutron's kinetic energy that is transferred to the carbon nucleus can be calculated as follows:

KE_carbon = (m_carbon / (m_carbon + m_neutron)) * KE_neutron

where m_carbon is the mass of the carbon nucleus (12.0 times the mass of the neutron), m_neutron is the mass of the neutron, and KE_neutron is the initial kinetic energy of the neutron. KE_carbon is the kinetic energy of the carbon nucleus after the collision.

The fraction of the neutron's kinetic energy transferred to the carbon nucleus can be calculated as KE_carbon / KE_neutron.

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The modern definitions of organic and inorganic chemistry is the organic chemistry is the study of the carbon containing compounds and the organic chemistry is the study of the remaining compounds.

The organic and inorganic chemistry are defined as the :  the organic chemistry is the study of the carbon containing compounds and the organic chemistry is the study of the remaining compounds.

Inorganic chemistry is discusses the properties and the behavior of the inorganic compounds, that is minerals, metals and organometallic compounds. The Organic chemistry includes  of the properties, the structure and the composition, the preparation and the reactions of carbon containing compounds.

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By combining propaldehyde with 2,2-dimethylpropylmagnesium bromide, 2,2-dimethyl-3-pentanol can be produced (Grignard reagent).

Propaldehyde and 3-pentylmagnesium bromide can react to create 2,2-dimethyl-3-pentanol (Grignard reagent). In order to safeguard the reagent from air and moisture, this reaction is carried out in an ether solution and in an inert atmosphere. Propaldehyde is added gradually while stirring to the Grignard reagent to perform the reaction. Then, in order to encourage the creation of the alcohol, the reaction mixture is heated to reflux. Water is then added to the mixture once it has finished refluxing in order to stop the reaction. Distillation is then used to remove the end result, 2,2-dimethyl-3-pentanol, from the reaction mixture. With this technique, the needed alcohol may be easily and effectively created from widely accessible starting components.

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