what are the 3 subatomic particles of the atom? What are their corresponding charges and locations within the atom?

Answer:

Explanation:

There could be several possible explanations for the formation of bubbles when two colorless substances are mixed, including:

1. Chemical reaction: The two substances may react with each other, producing gas as a byproduct. This gas may be released in the form of bubbles when the solution is stirred. For example, when baking soda and vinegar are mixed, they react to produce carbon dioxide gas, which forms bubbles.

2. Physical reaction: The mixing of two substances may create a physical reaction, such as a change in temperature or pressure, that results in the formation of bubbles.  

Other possible explanations may include the presence of impurities or contaminants in the substances, or the introduction of air or another gas into the solution during the mixing process.

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Answer

C₄H₆O₄

Explanation

Given:

The empirical formula of the compound is C₂H₃O₂

The molecular mass of the compound = 118.054 g/mol

To get the molecular formula of the compound, you need to know the actual number of atoms of each element by equating the empirical formula to the molecular mass as follows:

From the Periodic Table:

Molar mass of H = 1.00784 g/mol

Molar mass of O = 15.999 g/mol

Molar mass of C = 12.0107 g/mol

Hence, the molecular formula of the compound is:

Explanation:

0.24 grams of LiOH are needed to make 100 ml of a 0.1 M solution

The complete combustion of 1.5 moles of methane (CH4) would require 6 moles of oxygen (O2).

This is because methane is a hydrocarbon and it follows the general equation of combustion for hydrocarbons: CxHy + (x+y/4)O2 → xCO2 + yH2O. In this equation, x and y represent the number of carbon and hydrogen atoms, respectively, in the hydrocarbon.

Therefore, for methane, where x = 1 and y = 4, the equation simplifies to CH4 + (1+4/4)O2 → CO2 + 2H2O. Thus, for 1.5 moles of methane, the equation becomes 1.5CH4 + (1+4/4)1.5O2 → 1.5CO2 + 3H2O.

Since the equation must be balanced, the total amount of oxygen required is 1.5 moles of O2, which is equal to 6 moles.

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The compounds ranked based on their relative Bronsted acidities from strongest to weakest are as follows:

1. H-I (Hydrogen iodide)

2. H-CH3 (Methyl radical)

3. H-OH (Hydroxide ion)

4. H-NH2 (Ammonia)

5. H-F (Hydrogen fluoride)

Bronsted acidities can be determined by analyzing the stability of the corresponding conjugate bases. A stronger acid will have a more stable conjugate base. Here is the explanation for the ranking:

1. H-I: Hydrogen iodide (HI) is a strong acid because iodide ion (I-) is a stable conjugate base. Iodide ion is large and can effectively disperse negative charge, leading to stability.

2. H-CH3: Methyl radical (CH3) is weaker than HI but stronger than the remaining compounds. It is a stable radical and has resonance structures that stabilize its conjugate base.

3. H-OH: Hydroxide ion (OH-) is less acidic than HI and CH3. It forms a stable conjugate base, but it is not as stable as iodide ion or the methyl radical.

4. H-NH2: Ammonia (NH3) is weaker than the previous compounds. The lone pair on the nitrogen atom can be donated to accept a proton, making NH2- a relatively unstable conjugate base.

5. H-F: Hydrogen fluoride (HF) is the weakest acid among the given compounds. The fluoride ion (F-) is a relatively strong base, and its conjugate acid, HF, is a weaker acid compared to the others.

The ranking of the given compounds based on their relative Bronsted acidities, from strongest to weakest, is H-I, H-CH3, H-OH, H-NH2, and H-F. This ranking is determined by analyzing the stability of their respective conjugate bases, with stronger acids having more stable conjugate bases.

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Answer:

udruhrhfhhggghhhhhhhhghyyyggg

Answer:

Option d ,0.5M

Hope it helps

Answer:

The magnesium atom is larger.

Explanation:

The magnesium atom is larger because it is on the left side of the Periodic Table (period 3 and group 2) where the atomic radius is larger.

Atomic radius is the distance from the center of the nucleus of an atom to the most external electron shell.

The greater the columbic attractions, the closer the protons in the nucleus are to the electrons in the outer layers, making the size of the atom smaller.

A weak acid is an acid that does not completely dissociate into ions when it is dissolved in water. In other words, only a fraction of the weak acid molecules ionize to release hydrogen ions (H+). This limited ionization leads to a lower concentration of hydrogen ions in the solution compared to a strong acid.

Weak acids exhibit incomplete dissociation due to the equilibrium established between the undissociated acid molecules and the dissociated ions. This equilibrium is governed by the acid's dissociation constant (Ka), which represents the extent of ionization. The equilibrium favors the undissociated acid form, and only a small fraction of the acid molecules dissociate into ions.

The molarity of a weak acid and the molarity of the hydrogen ion (H+) are not the same because the concentration of hydrogen ions depends on both the dissociation constant (Ka) of the acid and the initial concentration of the weak acid. The molarity of the weak acid represents the concentration of the undissociated acid molecules, whereas the molarity of the hydrogen ion represents the concentration of the dissociated ions. Since only a fraction of the weak acid molecules dissociate into ions, the molarity of the hydrogen ion is lower than the molarity of the weak acid.

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For compounds ch3ch2ch2ch2ch3 and ch3ch2ch2ch2ch2ch3 , van der Waals force is involved.

In gases, liquefied and solidified gases, and nearly all organic liquids and solids, neutral molecules are drawn to one another by van der Waals forces, which are relatively weak electric forces. The Dutch scientist Johannes Diderik van der Waals gave the forces their names.

The Polish-born scientist Fritz London was the first to identify the nature of this attractive force in molecules, which needs quantum mechanics to properly describe it. He linked it to electron transport within molecules. London emphasized that it was unlikely that the centers of positive and negative charge for atomic nuclei and electrons would ever coincide.

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Answer:Water contains Oxygen the purified the methane gas

Explanation:

Answer:

I think this is it.

Explanation:

As all the mass of other molecules are given and we have to find the mass of hydrogen so total subtracted by carbon and oxygen.

Answer:

rubbing alcohol

Answer:

alcohol

Explanation:

Alcohol has a lower boiling point

Answer:

D. Energy is absorbed during the reaction; therefore, the temperature of the liquid will decrease

Explanation:

In a chemical reaction, the reaction is said to be ENDOTHERMIC if the reaction utilizes or uses energy instead of given it off. In this reaction, Jose adds five grams of a chemical to one liter of liquid and observes the reaction.

According to this question, the reaction is ENDOTHERMIC. This means that energy is absorbed or used up during the reaction; therefore, the temperature of the liquid will decrease i.e. the liquid used in the reaction will become COLDER.

M1V1 = M2V2

M1 = 3.000 M

V1 = 0.8000 L

M2 = ?

V2 = 2.00 L

M2 = M1V1/V2 = (3.000 M)(0.8000 L)/(2.00 L) = 1.20 M

A chemist pours 500 mL of a 3.0000 molar solution of sodium hydroxide into a 3.0000 liter volumetric flask and fills the flask up with water. 1.20 M is the molarity of the new solution.

Molarity is also known as concentration in terms of quantity, molarity, or substance. It is a way to gauge how much of a certain chemical species—in this case, a solute—is present in a solution. It refers to a substance in unit volume for solution in terms of quantity.

The amount of moles / litre is the molarity unit that is most frequently used in chemistry. One mol/L of a solution's concentration is referred to as its molarity. It is frequently abbreviated as 1 M. When one gramme of solute dissolves in one litre of solution, the solution has a molarity of one.

M1V1 = M2V2

M1 = 3.000 M

V1 = 0.8000 L

M2 = ?

V2 = 2.00 L

M2 = M1V1/V2 = (3.000 M)(0.8000 L)/(2.00 L) = 1.20 M

Therefore, 1.20 M is the molarity of the new solution.

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Answer:

See below

Explanation:

If your reaction equation is balanced, you will know the number of Fe atoms following the reaction.....it will be the same on both sides of the equation.

Psychochemical may persist for hours or days after exposure.

Chemical substances that have brief, reversible effects on the body or mind are known as psychochemical agents, often known as incapacitating substances. Psychochemical agents have a longer-lasting effect than riot-control chemicals, which only have a few-minute duration. Central nervous system (CNS) stimulants and depressants both fall within the category of psychochemical substances.

Drugs that depress the central nervous system (CNS) prevent the CNS from functioning and prevent information from traveling across neuron synapses. 3-Quinuchdedinyl Benzilate is an illustration of this group of chemicals, and it has an impact on memory, problem-solving, focus, and instruction-listening abilities. Instead of affecting one's ability to think, cannabinoids and phenothiazines cause sleepiness and a lack of motivation. Although 10,000 times more strong than morphine, fenyls are opiates that have a similar effect.

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Answer:

well u can see clearly that C got the most bonds

The difficult issue of whether or not the United States needs more nuclear power facilities depends on a number of variables, including energy consumption, environmental concerns, and economic feasibility.

On the one hand, nuclear power can aid in lowering greenhouse gas emissions and battling climate change because it is a dependable and low-carbon source of electricity.

Nuclear power facilities can run continuously for long stretches of time, offering a reliable source of electricity, and they don't emit greenhouse gases while they're in use. Nuclear energy also offers the potential to lessen reliance on fossil fuels, which are limited and greatly contribute to global warming.

Any choice to construct further nuclear power plants should ultimately be based on a thorough analysis of the risks, costs, and advantages of this technology as well as the accessibility of alternate energy sources like renewables.

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37 grams of NaCl (when I mean equivalent I mean the ratio of the equation is 1:2 for moles or Cl2 and NaCl

The capacity of a substance to bend light is described by its refractive index. Refraction is the bending of light as it travels through a medium having a varying refractive index.

Describes how much light is twisted when it travels through a substance, the refractive index is a fundamental feature of materials. It is described as the difference between the speed of light in a substance and the speed of light in a vacuum. This figure, which varies depending on the substance, expresses how much light the substance slows down .Optics, spectroscopy, and materials science are just a few of the fields in which the refractive index is crucial. The use of the refractive index to control the behaviour of light in the construction of lenses, prisms, and other optical components is crucial. The refractive index, in addition to being an important design element for optical devices.

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The repeating monomer unit of polyglycine is simply the amino acid glycine. The chemical structure of glycine is:

H

|

H2N — C — COOH

|

H

The polymerization of glycine involves the condensation of the amino group (-NH2) of one glycine molecule with the carboxyl group (-COOH) of another glycine molecule, releasing a molecule of water (H2O) in the process. The resulting bond is called a peptide bond, and it connects the carbon atom of one glycine molecule to the nitrogen atom of the other glycine molecule.

The repeating monomer unit of polyglycine can be represented as:

H          H          H

|          |          |

H2N — C — CO — NH — C — CO — NH — C — COOH

|                               |

H                               H

Note that the NH group on the left side of the monomer unit represents the amino group of one glycine molecule, and the CO group on the right side represents the carboxyl group of the other glycine molecule. This pattern repeats indefinitely to form the polyglycine polymer.

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The concentration of calcium ions in the given solution will be 22 ppm.

What is Calcium chloride?

Calcium chloride is an inorganic compound, a salt made of calcium and chlorine. It is used as a food additive, an antifreeze, and a deicer for roads and sidewalks. It is also used in water treatment to increase the water's hardness and to remove impurities.

Calcium chloride is a chemical molecule made up of two chloride ions and one calcium ion.

When calcium chloride dissociates in water, the chloride ion becomes twice the calcium ions. The calcium chloride solution has been dissociated in 500 mL of water.

The concentration of chloride ions = 44 ppm.

The concentration of calcium ions = 44 ÷ 2

                                                         = 22 ppm

The concentration of calcium ions in the solution will be 22 ppm.

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A refrigerator delays the spoilage of food by slowing down the rate of chemical reactions within microorganisms. Therefore, option B is correct.

The term chemical reaction is defined as the processes, in which substances undergo a chemical change to formed new substances, with all new properties.

Higher temperatures often result in faster chemical reactions. When food is left on the kitchen counter, it can soon become bad. The process is slowed down by the refrigerator's lower temperature, which allows the same food to stay fresh for longer.

Bacteria, molds, and yeasts are all potential sources of microbial deterioration. Food's water activity plays a significant role in determining the type of food decomposition that results.

Thus, option B is correct.

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Answer:

velocity

Explanation:

velocity has both speed AND direction.

Answer:

speed

Explanation:

Speed is the rate at which something covers distance. Velocity is the rate of change of its position, ex: 70km/h to north. Acceleration is the rate at which an object changes its velocity.

The steps to make chocolate so that it does not melt on my hands are: heat the chocolate up to 120 degree fahrenheit and then after removing the bowl cool down it below 80 degree fahrenheit.

The main reasons to temper chocolate are:

1. Tempered chocolate is firm and solid in nature at room temperature. This is critical when making the chocolate confections or decorations. Chocolate which is out of temper requires refrigeration to maintain its shape.

2. The appearance of tempered chocolate is much better than that of its un-tempered counterpart. Tempered chocolate is smooth in nature , shiny and evenly colored.

3. Chocolate that is not been tempered has a distinctly dull appearance and may develop fat bloom -- grayish-white spots on the surface of the chocolate where unstable beta crystals have gathered.

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The correct answer is None of the above.

To determine the concentration of HCl, we need to know the balanced chemical equation and the stoichiometry of the reaction. Assuming that the reaction is a neutralization reaction between NaOH and HCl, the balanced chemical equation is:

NaOH + HCl → NaCl + H2O

The stoichiometry of the reaction is 1:1, meaning that for every 1 mole of NaOH reacted, 1 mole of HCl is consumed. Since the concentration of NaOH is 0.001 M, we can calculate the number of moles of NaOH as:

moles of NaOH = concentration × volume (in liters) = 0.001 × volume

However, we don't know the volume of NaOH used, so we cannot determine the number of moles of HCl consumed. Therefore, we cannot determine the concentration of HCl.

Therefore, the correct answer is None of the above.

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