Theoretically in ideal capillary electrophoresis, what is the only source of zone broadening?
A. multiple paths
B. Longitudinal diffusion
c. equilibrium time
d. none of the above

Answer: the longest a virus that can be kept on a plastic bag is a few hours to a couple of days.

Explanation: hope that helped!(:

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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A 5% decrease in the molarity of NaOH would decrease the moles of NaOH, making it the limiting reagent instead of HCl. The recalculated enthalpy would be larger than the original.

Molar concentration, also known as molarity, quantity concentration, or substance concentration, is a unit used to describe the amount of a substance in a solution expressed as a percentage of its volume. The number of moles per litre, denoted by the unit sign mol/L or mol/dm3 in SI units, is the most often used unit denoting molarity in chemistry. One mol/L of a solution's concentration is referred to as one molar, or 1 M.

The total number of moles of solute in a particular solution's molarity is expressed as moles of solute per litre of solution. As opposed to mass, which fluctuates with changes in the system's physical circumstances, the volume of a solution depends on changes in the system's physical conditions, such as pressure and temperature. M, sometimes known as a molar, stands for molarity.

When one gramme of solute dissolves in one litre of solution, the solution has a molarity of one. Since the solvent and solute combine to form a solution in a solution, the total volume of the solution is measured.

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Answer:

Explanation: one benefit of being organized is

More Focused

Productive

Sleeping Better

Saving Money

Healthier Physically

Social Life Improves

More Free Time

Gratitude

Less Stress

Happiness

The general molecular formula for alkanes is cnh2n 2. The general molecular formula for cycloalkanes with two rings CnH2n−2.

Cycloalkanes are hydrocarbons with a ring type structure. The reason of ring formation is because they are saturated compounds. The general formula of the cycloalkanes is CnH2n where n is the number of carbon atoms.

cyclopentane, Cyclobutane, cyclohexane, and cycloheptane, cyclooctane are some example of cycloalkanes and Cyclopropane is considered one of the smallest cycloalkanes.

Cycloalkanes have a lot of uses. They are used in the medical industry for the production of drugs. These compounds are also used in hair and food industries.

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Answer:

Gas

Explanation:

Legend primordial element element by radioactive decay Atomic number color: red=gas

Answer:

A. 7

(assuming the water is neutral)

Answer:

mol is a measurement of large amounts so big

The pH of the solution can be found using the formula pH = -log[H3O+]. So, in this case, pH = -log(1.8×10^-5) = 4.74. Since the pH is less than 7, the solution is considered acidic.

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The moles of hno3 are present if 0.180 molmol of ba(oh)2 was needed to neutralize the acid solution is 0.36 mole of HNO₃.

Neutralization or neutralisation is a chemical reaction in which acid and a base react quantitatively with each other. In a reaction in water, neutralization outcomes in there being no excess of hydrogen or hydroxide ions gift inside the answer.

Calculation:-

Valance factor of HNO₃ is = 1

valance factor of Ba(OH)₂ is = 2

mole of Ba(OH)₂ is = 0.180

therefore mole oh HNO₃ neede is = 2 * 0.180

                                                         =  0.36 mole of HNO₃

Neutralisation is a chemical response wherein an acid and a base react with each different quantitatively. it's also written as Neutralisation. The acid electricity of the reactant gives the pH of the neutralised solution.

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The nuclear binding energy of an atom can be calculated using Einstein's famous equation, E=mc², where E is energy, m is mass, and c is the speed of light.

The mass defect of the atom is given as 5.0446x10^-29 kg. This is the difference between the mass of the atom and the sum of the masses of its constituent particles (protons, neutrons, and electrons).

Using E=mc², we can calculate the nuclear binding energy of the atom as follows:

E = (5.0446x10^-29 kg) x (3.00x10^8 m/s)^2

E = 4.54x10^-12 J

Therefore, the nuclear binding energy of the atom is 4.54x10^-12 J.

The most oxygen atoms shared by pairs of neighbouring tetrahedra are found in double chain silicates, which is the most common kind of silicate.

This particular silicate consists of silicon atoms bound to other silicon atoms in a chain with oxygen atoms, with oxygen atoms forming the corners of the tetrahedra. As compared to other forms of silicates, these chains share oxygen atoms with neighbouring chains, leading to a higher percentage of oxygen atoms shared by pairs of adjacent tetrahedra. Due to the lack of connectedness between their tetrahedral units, other silicate types, such as sheet silicates and framework silicates, have a lower percentage of oxygen atoms shared by pairs of neighbouring tetrahedra. Because of this, double chain silicates have a tendency to be more dense and structurally complicated than other silicate kinds.

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All of the above materials i.e polymers, metals and ceramics can form crystalline solids. Option D is correct.

Metals are substances or chemical elements that form a metallic bond with other metal atoms. Metals are usually lustrous, ductile, opaque, malleable, and good conductors of heat and electricity. Metals form crystalline solids at room temperature and they are not brittle. Examples of metals include copper, silver, iron, mercury and sodium.

Polymers and ceramics can also form crystalline solid, but their crystal structures tend to be more complex than those of ionic compounds. The geometrical shape of macroscopic single crystals, which consists of flat faces with discrete, differentiating orientations, can also be used to identify them. Science's study of crystals and their formation is known as crystallography. The process of crystal growth through processes is referred to as either crystallization or solidification.

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Answer: The pressure of the hydrogen in the gas-collecting tube is 721.3 mm Hg

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

\(p_{total}=p_{H_2O}+p_{H_2}\)

Given : \(p_{total}\) =total pressure of gases = 741.1 mm Hg

\(p_{H_2O}\) = partial pressure of water = 19.8 mm Hg

\(p_{H_2}\) = partial pressure of hydrogen = ?

putting in the values we get:

\(741.1 mm Hg=19.8mmHg+p_{H_2}\)  

\(p_{H_2}=721.3mm Hg\)

Thus  the pressure of the hydrogen in the gas-collecting tube is 721.3 mm Hg

According to the Dalton Law in a blend of non-reacting gases, the entire pressure will be equivalent to the total of partial pressures of the individual gases.

The pressure of H₂ gas collected in the tube will be 721.3 mm Hg.

This can be calculated by:

Dalton's formula:

\(\text{p}_{\text{total}} & = \text{p}\text{H}_{2} \text{O} + \text{p} \text{H}_{2}\)

Given :  

Now using the formula we will calculate:

\(\text{741.1 mm Hg} & = \text{19.8 mm Hg} + \text{p} \text{H}_{2}\)

\(721.3 \;\text {mm Hg} = \text{p} \text{H}_{2}\)

Therefore, the pressure of the hydrogen in the tube is 721.3 mm Hg.

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The pillar of sustainability broken by recycling electronics in India is environmental sustainability. Implementing a law that restricts electronics recycling to the US would not necessarily be the most effective solution, as it overlooks the complex global dynamics of electronic waste management.

Recycling electronics in India often involves improper disposal methods, such as burning or dismantling without proper safety measures. This leads to environmental pollution, including the release of hazardous substances into the air, soil, and water, thus violating the principle of environmental sustainability.

However, simply mandating that electronics can only be recycled in the US may not be the most optimal solution. Electronic waste is a global issue, and restricting recycling to a single country disregards the fact that electronic products are manufactured and consumed worldwide. A more comprehensive approach to addressing electronic waste would involve international cooperation, strict regulations, and monitoring of recycling practices to ensure they meet environmental standards.

Efforts should focus on improving recycling practices globally, including promoting responsible electronic waste management, developing sustainable recycling infrastructure in multiple countries, and encouraging the adoption of safe and environmentally friendly recycling practices. This approach would foster global sustainability and address the challenges associated with electronic waste disposal more effectively than a geographically limited restriction.

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Answer:

tried nature

Explanation:

ummm

Answer:

direct current

Explanation:

direct current

Answer:

Any form of semi high energy waves cause the water molecules inside the marshmallow to vibrate which heat and soften the sugar matrix inside the marshmallow. The weakened sugar matrix allows air bubbles within the marshmallow to expand rapidly and the marshmallow puffs up and becomes goo. If this proccess is repeated it can completly change it's state of matter.

Explanation:

The stronger the acid the weaker the conjugate base  is the correct statement is a) True.

The Strong acids have a weak conjugate base. The example of this is as follows :

The HCl is the  strong acid. If HCl is a strong acid, means it will donate hydrogen ions . The HCl will be a  good proton donor, only if the Cl⁻ ion will be a poor proton acceptor. That means the Cl⁻ ion will be a weak base. The chemical equation is as follows :

HCl        +      H₂O        ⇄         H₃O⁺     +         Cl⁻

strong        strong                  weak                weak

acid             base                 conjugate          conjugate

                                                  acid                 base

This question is incomplete, the complete question is :

The stronger the acid the weaker the conjugate base, this statement is :

a) True

b) False  

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17.41°C is the temperature of the Ethanol increase

q=mct

t=q/mc

t=2090/50×2.43

t=17.41°C

Heat or cold are measured in terms of temperature. It may be defined in terms of a number of arbitrary scales and shows how heat energy naturally moves from a hotter to a cooler substance (one at a lower temperature). Even if a match burns at a considerably greater temperature than an iceberg, an iceberg has a lot higher overall heat energy. The energy of a thermodynamic system differs from temperature.

Temperature, along with pressure, density, and other related qualities, is referred to as an intense property—one that is independent of the amount of material being addressed—in contrast to broad characteristics like mass or volume.

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Answer:

the answer is B

Explanation:

the ice puts 8ts cold into the water taking it away from the ice

Answer:

pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral.

When sodium chloride is added to 100 grams of water in a styrofoam cup and the temperature decreases from 25°C to 24°C while stirring with a thermometer, the thermodynamics of dissolving NaCl in water can be said to be endothermic.

Explanation: Thermodynamics is the science that studies the connection between heat, work, and energy. A study of energy transformation in various processes, including chemical reactions, phase transitions, and changes in temperature and pressure, is included in thermodynamics.

When sodium chloride is dissolved in water, an endothermic reaction occurs, meaning that the surroundings absorb heat. Heat is absorbed by the surroundings during an endothermic reaction, resulting in a decrease in temperature in the reaction vessel.

When NaCl is dissolved in water, the same thing happens. Heat is absorbed from the surroundings to dissolve the salt, resulting in a decrease in temperature. As a result, the thermodynamics of dissolving NaCl in water is endothermic.

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Answer:

it will form an ionic bond

Answer:

Air, Water, Bacteria, and Copper

Explanation:

 air, water, bacteria, copper

Matter can be regarded as anything which is able to occupies space and that has mass

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3C⁻⁻ on reaction with HI gives I⁻⁻⁻ as the main products and not H⁻ and C₂H₅I.

When 3C⁻⁻ is reacted with HI, the reaction product obtained is I⁻⁻⁻ as the main product. The C₂H₅I and H⁻ are not produced in significant quantities and cannot be considered the main product.The 3C⁻⁻ compound reacts with HI in the presence of a solvent to produce hydrogen gas, H⁻, C₂H₅I, and I⁻⁻⁻. The primary product obtained is I⁻⁻⁻ because it is stable and has a higher energy than C₂H₅I and H⁻.However, the reaction can be controlled to obtain C₂H₅I and H⁻ as the primary products by changing the reaction conditions. The reaction must be carried out in anhydrous conditions and at a low temperature so that the reaction proceeds in the desired direction.

3C⁻⁻ on reaction with HI gives I⁻⁻⁻ as the main products and not H⁻ and C₂H₅I. However, the reaction can be controlled to obtain C₂H₅I and H⁻ as the primary products by changing the reaction conditions.

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"All zero greenhouse gas emission fuel sources are also renewable". The statement is false.

While many renewable energy sources such as solar, wind, and hydropower produce zero greenhouse gas emissions, not all zero-emission fuels are renewable.

For example, nuclear power is a zero-emission source of electricity, but it is not considered a renewable energy source because it relies on the mining and processing of non-renewable uranium.

Renewable energy sources are defined as those that can be replenished naturally and sustainably within a human timescale. These include solar, wind, hydropower, geothermal, and biomass. Zero-emission fuels refer to any fuel source that emits no greenhouse gases during use, such as hydrogen fuel cells.

While renewable energy sources often overlap with zero-emission fuels, not all zero-emission fuels are renewable. Therefore, it is important to differentiate between the two terms when discussing the sustainability and environmental impact of different energy sources.

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