Is baking soda soluble in soda? Is sugar soluble in soda?

Answer:

In the elemental form, non-metals can be gas, liquid or solid. They aren't shiny (lustrous) and they don't conduct heat or electricity well. Usually their melting points are lower than for metals, although there are exceptions. The solids usually break easily, and can't bend like metals

Explanation:

Answer:

true

Explanation

Answer:

People are getting richer and richer as technology advances, this may make it so that some people are getting treated unfairly. Signs of little money may support the reason that you are not getting the help you need; this means that health problems would arise more, resulting in an unfair lifestyle.

The woven cloth is a good choice for modeling a cell membrane because cell membranes are semipermeable, which means some particles can cross the cell membrane while others cannot. Unlike the plastic bag, the woven cloth is semipermeable: for the woven cloth, small particles/liquids can pass through it while larger objects cannot. However, nothing is able to pass through the plastic bag, so the plastic bag is not semipermeable (it's impermeable).

Answer:

(Li) has fewer electrons than (Li+)

A) KCN, B) NaBr, H2SO4, Heat, C) Ether, D) NASH DMF, heat, E) CH, SNa Ethanol.

Intermountain Healthcare is a non-profit healthcare system based in Utah, United States. It operates 25 hospitals, 225 clinics, and a medical group with over 2,500 physicians and advanced practice clinicians.

In what ways does Intermountain Healthcare differentiate itself from other healthcare systems in terms of its strategic objectives?

There are several ways in which Intermountain Healthcare could enhance or detract from its strategic objectives.

One potential way to enhance its objectives is to continue to focus on delivering high-quality, patient-centered care while also leveraging technology and innovation.

However, this approach could also be expensive and may require significant investment. What are some potential drawbacks to this approach, and how might Intermountain Healthcare address them?

Intermountain Healthcare has a unique approach to physician incentives that is based on a model of shared accountability. How does this approach differ from other healthcare systems, and what are some potential benefits and drawbacks to this model?

The system used by Intermountain Healthcare to incentivize physicians could also improve the performance appraisal process for other employees.

How might this system be adapted to evaluate the performance of non-physician staff members, and what are some potential benefits and drawbacks to this approach?

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If 250 mL of methane (CH4) effuses through a small hole in 48 s, the time required for the same volume of helium to pass through the hole is approximately 96 s.

The effusion rate of a gas is inversely proportional to the square root of its molar mass, according to Graham's law of effusion. In this case, we need to compare the effusion rates of methane and helium.

Since the volume is constant, we can use the ratio of their times of effusion.

Let's assume the molar mass of methane (CH4) is M1 and the molar mass of helium (He) is M2. According to Graham's law, the ratio of the effusion times is given by:

(time for methane) / (time for helium) = √(M2 / M1)

Given that the time for methane is 48 s, we need to find the time for helium. Rearranging the equation, we have:

(time for helium) = (time for methane) / √(M2 / M1)

By substituting the molar masses of methane (16.04 g/mol) and helium (4.00 g/mol), we can calculate:

(time for helium) = 48 s / √(4.00 g/mol / 16.04 g/mol)

(time for helium) = 48 s / √(0.25)

(time for helium) = 48 s / 0.5

(time for helium) = 96 s

Therefore, the time required for the same volume of helium to pass through the hole is approximately 96 seconds.

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Answer:

The dirty dozen.

Explanation:

This is mainly seen in the control of hazardous waste and its regulations through treaty in the control of persistent organic pollutant(POPs). This regulation is seen to occur in 12 widely used persistent organic pollutants; these are seen to have the ability to absorb and store tissues that make them fatty especially in humans and also animals found in the higher trophic levels or in the food web. That being said, it can be noted that the dirty dozen can move or even attain hundreds, or thousands of levels towards the environ and also in other cases, transporting them through air or water as the case may be.

Answer:

21.0g of CO2

Explanation:

The ion is spherical in shape, with a bond angle of approximately 180 degrees.

The reaction between methanethiolate (CH3S-) and ethyl bromide (CH3CH2Br) proceeds via an S N 2 (substitution nucleophilic bimolecular) mechanism.

The nucleophile attacks the electrophilic carbon of the alkyl halide, leading to the formation of a new carbon-nucleophile bond and breaking of the carbon-halogen bond.

Here is the balanced chemical equation for the reaction:

CH3S- + CH3CH2Br → CH3SCH2CH3 + Br-

In this reaction, the organic product is ethyl methyl sulfide (CH3SCH2CH3), and the inorganic product is bromide ion (Br-).

To draw the products, we first need to identify the atoms and bonds that are involved in the reaction.

The arrow in the reaction equation indicates the movement of electron pairs, and the lone pairs and charges on the atoms are important for determining the structure of the products.

Starting with the reactants, the methanethiolate ion has a lone pair of electrons on the sulfur atom, and a negative charge.

The ethyl bromide molecule has a polar carbon-halogen bond, with a partial positive charge on the carbon and a partial negative charge on the bromine.

During the reaction, the sulfur atom of the methanethiolate ion attacks the carbon atom of the ethyl bromide molecule.

The carbon-bromine bond breaks, and the bromine atom leaves as a bromide ion.

The resulting intermediate is a tetrahedral molecule with a sulfur atom, two carbon atoms, and a leaving group (the bromine). The sulfur atom is now bonded to both carbon atoms.

To draw the products, we can start with the intermediate and then consider the charge and lone pairs on each atom.

Intermediate:

    H    H

    |    |

H3C-C-S-CH2CH3  (tetrahedral)

    |    |

    Br   H

Product (ethyl methyl sulfide):

    H    H

    |    |

H3C-C-S-CH2CH3  (tetrahedral)

    |    |

    H    H

Product (bromide ion):

Br-

In the organic product, ethyl methyl sulfide, the sulfur atom is bonded to two carbon atoms and two hydrogen atoms.

The molecule is tetrahedral, with a bond angle of approximately 109.5 degrees.

The lone pair of electrons on the sulfur atom is not shown, but it is still present and contributes to the overall structure of the molecule.

In the inorganic product, bromide ion, the bromine atom has a negative charge and a lone pair of electrons.

The ion is spherical in shape, with a bond angle of approximately 180 degrees.

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Answer:

7.4 moles solute

Explanation:

From definition of Molarity (M) = moles solute (n)/volume of solution in Liters(V)

=> moles solute (n) = Molarity (M) x Volume (L) = (3.7 moles/L)(0.500L) = 7.4 moles solute

The Highly Soluble : NaCl, KOH, CH₃CH₂OH, CH₃COOH, CH₃OH, Na₂SO₄, KNO₃

The Insoluble: C₆H₆, C₆H₁₄, CCl₄, CHCl₃, CH₂Cl₂, CH₃(CH₂)₅OH

1) NaCl : NaCl is a chloride and NaCl is highly soluble.

2)  CH₃C l: This compound is an organic. The electronegativity between C and Cl is high, and is polar. Because water is also polar, it is highly soluble.

3) CH₃OH:  Alcohols are hydrocarbon are is highly soluble in water because of hydrogen bonding.

4) KOH: KOH is highly soluble. This is a strong an readily dissociates in water.

5)  C₆H₆ : It is the benzene ring and is a nonpolar molecule, so it is expect this is insoluble with water.

6) C₆H₁₄ : It is hexane of  long chain of hydrocarbons. There is no hydrogen bonding, this is nonpolar and insoluble in water.

7) KNO₃: It is highly soluble because all nitrates are soluble in the water.

8)  CCl₄ : There is balance of the partial charges which makes it a nonpolar. It  is insoluble in water.

9) Na₂SO₄: It is highly soluble.

10) CH₃CH₂OH: It is highly soluble in water.

11) CH₂Cl₂ : This is polar and due this it is highly soluble in water.

12) CH₃COOH : It is a carboxylic acid. It is highly soluble in water.

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Answer:

Observations of the sky allowed explorers to mark the passage of time both in hours and through the months of the year. Early astronomers also realized that the night sky does not look the same from different places on the Earth.

In order to determine if a chemical hazard truly exists, there are several pertinent pieces of chemical information that must be considered. Firstly, the chemical composition of the substance in question must be examined, including its molecular formula and structural properties.

This information can help to determine the potential toxicity and reactivity of the chemical, as well as its potential routes of exposure (e.g. inhalation, ingestion, skin contact).

Additionally, data on the physical properties of the chemical - such as its melting point, boiling point, and solubility - can be important in determining how the substance may behave in different environments and under different conditions.

Finally, information on the potential environmental impact of the chemical, such as its persistence in the environment or its potential to bioaccumulate, can also be crucial in assessing the overall hazard posed by the substance.

By considering all of these factors together, a comprehensive picture of the potential hazards associated with a particular chemical can be developed, helping to inform appropriate risk management strategies and protective measures.

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Answer:

A

Explanation:

The importance of carbon bonding in biological molecules because it allows for the formation of a wide range of chemical compounds that are essential for the functioning and survival of all living organisms.

Carbon bonding is extremely important in biological molecules because it forms the basis for the structural and functional diversity of these molecules. Because it can create stable covalent bonds with so many different elements, including other carbon atoms, hydrogen, oxygen, nitrogen, sulfur, and phosphorus, carbon is a special element that can be used to create a wide spectrum of chemical compounds. The most significant biological molecules, such as carbohydrates, lipids, nucleic acids, and proteins, are made up of carbon-based substances. For all living things to function and survive, these molecules are necessary. For living things, carbohydrates like sugars and starches serve as their main source of energy. Simple sugars bound together by covalent bonds, including glucose and fructose, make up their structure. Lipids, such as fats and oils, are crucial for the formation of cell membranes, energy storage, and insulation. Fatty acids, which make up their structure, are joined by covalent bonds. All living things have genetic material made of nucleic acids like DNA and RNA. They are made up of nucleotides, which are responsible for storing and transmitting genetic information and are bound together by covalent bonds. In living things, proteins are crucial for structure, control, and catalyzing processes. They are made of peptide bonds that bind the amino acids that make them up. The diversity of these molecules' structural and functional makeup, which is essential for the continuation of life, is made possible by carbon's capacity to link with other elements.

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Answer:

Fnet = 13920 Newtons

Explanation:

Net force can be defined as the vector sum of all the forces acting on a body or an object i.e the sum of all forces acting simultaneously on a body or an object.

Mathematically, net force is given by the formula;

\( Fnet = Fapp + Fg\)

Where;

Given the following data;

Mass, m = 800 kg

Acceleration, a = 7.6m/s²

To find the applied force;

\( Fapp = ma\)

Substituting into the equation, we have;

\( Fapp = 800 * 7.6\)

Fapp = 6080N

To find the gravitational force;

We know that acceleration due to gravity, g = 9.8m/s²

\( Fg = mg\)

Substituting into the equation;

\( Fg = 800 * 9.8\)

Fg = 7840N

To find the net force;

\( Fnet = Fapp + Fg\)

Substituting into the equation, we have;

\( Fnet = 6080N + 7840N\)

Fnet = 13920 Newton.

Therefore, the net force experienced is 13920 Newton.

The correct order of the increasing polarity of the analyte functional group isEthers < Esters.

The given statement is "Polarities of analyte functional group increase in the order of hydrocarbon ethers < esters."  The order of polarities of functional groups is the order of their increasing polarity (i.e., less polar to more polar) based on their electron-donating or withdrawing ability from the rest of the molecule.Polarity of analyte: The analyte's polarity is directly proportional to the dipole moment of the functional group, which is associated with a difference in electronegativity between the atoms that make up the functional group.The electronegativity of an element is its ability to attract electrons towards itself. The greater the difference in electronegativity between two atoms, the more polar their bond, and hence the greater the polarity of the molecule.

To find the correct order of the increasing polarity of the analyte functional group, let's first compare the two groups: hydrocarbon ethers and esters. Here, esters have a carbonyl group while ethers have an oxygen atom with two alkyl or aryl groups. The carbonyl group has more electronegative oxygen, which pulls electrons away from the carbon atom, resulting in a polar molecule. On the other hand, ethers have a less polar oxygen atom with two alkyl or aryl groups, making them less polar than esters. Therefore, the correct order of the increasing polarity of the analyte functional group isEthers < Esters.

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The chemicals which are not intentionally manufactured, but rather occur as a byproduct is B. Dioxins and furans.

These chemicals are not intentionally manufactured, but are instead created as unintentional byproducts of various industrial processes, such as waste incineration and chemical manufacturing. Dioxins and furans are produced when products like herbicides are made. They are not produced for specific purposes. They are produced in pulp and paper industry by the process which includes bleaching wood pulp.

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Rutherford conducted a famous experiment called the gold foil experiment.

He took a skinny sheet of gold foil. He used a special gadget to shoot alpha particles undoubtedly charged debris on the gold foil. most debris passed straight thru the foil like the foil was now not there. They bombarded very skinny sheets of gold foil with fast-shifting alpha debris. Rutherford found that a small percent of alpha debris had been deflected at massive angles, which could be explained by using an atom with a very small, dense, definitely-charged nucleus at its middle.

Rutherford designed an experiment to apply the alpha particles emitted via a radioactive element as probes to the unseen global atomic structure. If Thomson changed into correct, the beam might move immediately through the gold foil. most of the beams went via the foil, however, some have been deflected. Ernest Rutherford postulated the nuclear structure of the atom, determined alpha and beta rays, and proposed legal guidelines for radioactive decay. In 1911, Rutherford, Marsden, and Geiger determined the dense atomic nucleus by bombarding a thin gold sheet with the alpha particles emitted through radium.

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Answer:

I Choosed:

A. They can end up as waste products that sometimes can’t be recycled.

B. They sometimes release toxins into the environment.

C. They use materials from Earth that are nonrenewable.

Explanation:

A. Synthetic polymers, such as plastic, can end up as waste in landfills, oceans, and other natural areas. This can cause a variety of environmental problems, as some types of plastic do not break down easily and can persist in the environment for decades or even centuries. This accumulation of waste can have negative impacts on wildlife, ecosystems, and human health.

B. Some synthetic polymers are made using harmful chemicals that can leach out and release toxins into the environment. These toxins can have negative impacts on wildlife, ecosystems, and human health. For example, some types of plastic contain chemicals such as bisphenol-A (BPA) that have been linked to hormone disruption and other health problems.

C. The production of synthetic polymers often requires the use of nonrenewable resources, such as petroleum and natural gas. These resources are finite and their extraction and processing can cause environmental damage, including air and water pollution and habitat destruction. The continued use of these nonrenewable resources can exacerbate environmental problems and contribute to climate change.

These are three ways that synthetic polymers can affect the environment, and it's important to consider the impacts of these materials in order to minimize their negative effects and promote sustainability.

Answer:

1. a

2.b

Explanation:

Answer:

It would be this below.

Explanation:

I am not 100% sure this is write but I did my best this is still kinda hard for me. I just did this a few years ago and i struggled with it but I have been doing better since then.

Hope this helps :))

When 66.38 g of potassium chloride reacts with fluorine, you can obtain 0.4452 moles of chlorine.

To find out how many moles of chlorine you can get when 66.38 g of potassium chloride reacts with fluorine to produce potassium fluoride and chlorine, you'll need to follow these steps:

1. Write the balanced chemical equation for the reaction:
2 KCl + F2 → 2 KF + Cl2

2. Determine the molar mass of KCl (potassium chloride):
39.10 g/mol (K) + 35.45 g/mol (Cl) = 74.55 g/mol

3. Convert the given mass of KCl (66.38 g) to moles:
(66.38 g KCl) / (74.55 g/mol) = 0.8904 mol KCl

4. Use the stoichiometry from the balanced equation to determine the moles of Cl2 (chlorine) produced:
(0.8904 mol KCl) x (1 mol Cl2 / 2 mol KCl) = 0.4452 mol Cl2

So, when 66.38 g of potassium chloride reacts with fluorine, you can obtain 0.4452 moles of chlorine.

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Answer:

I LIKE TRAINS

Explanation:

SNAILS ARE YUMMY

A mixture has a mas of 450 grams. Of that mixture,35 grams is sulfur . Therefore, 11% is the percentage of sulfur in the mixture.

The mass percent equation is defined as the mass of each element in one mole of the compound, as well as the molar mass. With these masses, you can calculate each element's mass proportion.

In order to represent the mass percent of a solution, the kilograms of solute are divided by the kilograms of solution, and the result is multiplied by 100.

percentage of sulfur = mass of sulfur/ mass of mixture×100

mass of sulfur= 5 grams

mass of mixture =450 grams

substituting all the given values in the above equation, we get

percentage of sulfur = 5 / 450=0.011×100= 11%

Therefore,  11% is the percentage of sulfur in the mixture.

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Answer:

NaOH

Explanation:

NaOH is among the water soluble bases

The freezing point depression (ΔTf) of the eucalyptol solution in chloroform is -1.67 ℃. Eucalyptol, being a solute, decreases the freezing point of the solvent (chloroform) due to its presence. The freezing point depression constant (Kf) for chloroform is used to calculate the change in freezing point.

To calculate the freezing point depression (ΔTf), we'll use the formula:

ΔTf = Kf * molality

First, we need to calculate the molality (m) of the solution. Molality is defined as the number of moles of solute per kilogram of solvent. We can calculate the number of moles of eucalyptol using its molar mass:

molar mass of C10H18O = 154.25 g/mol

moles of eucalyptol = mass / molar mass = 44.0 g / 154.25 g/mol = 0.2854 mol

Now, we can calculate the molality: molality (m) = moles of solute / mass of solvent (in kg) = 0.2854 mol / 0.800 kg = 0.3568 mol/kg

Finally, we can calculate the freezing point depression:

ΔTf = Kf * molality = 4.68 ℃/m * 0.3568 mol/kg = -1.67 ℃

Therefore, the freezing point depression (ΔTf) of the eucalyptol solution in chloroform is -1.67 ℃.

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The molarity of a solution made by dissolving 45.6 g glucose, C₆H₁₂O₆, in enough water to make 350.0 ml of solution is 0.722 M.

given that :

volume = 350 mL = 0.350 L

mass of glucose = 45.6 g

molar mass of glucose = 180.15 g/mol

the number of moles of glucose = mass / molar mass

                                                      = 45.6 / 180.15

                                                      = 0.253 mol

the molarity expression is given as follows :

Molarity = moles / volumes in L

              = 0.253 / 0.350

              = 0.722 M                  

Thus, the molarity of the solution to make 350.0 mL of solution is 0.722 M.          

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Approximately 2.22 x \(10^2^5\) molecules of nitrogen and 6.29 x \(10^2^4\)molecules of oxygen are present in the International Space Station (ISS). If the oxygen and CO2 scrubber system fails, four astronauts on the ISS have approximately 73 hours before the air becomes unbreathable and they risk losing consciousness.

First, we convert the volume of the ISS to liters: 932 \(m^3\) = 932,000 liters.

Next, we calculate the number of moles of each gas using the ideal gas law equation. The pressure is given as 1 atm, and the temperature is 293 K.

For nitrogen:

PV = nRT

(1 atm)(932,000 L) = n(0.0821 L·atm/(mol·K))(293 K)

n ≈ 2.93 x \(10^4\) moles

For oxygen:

PV = nRT

(1 atm)(932,000 L) = n(0.0821 L·atm/(mol·K))(293 K)

n ≈ 8.29 x \(10^3\) moles

Finally, we convert the number of moles to the number of molecules by multiplying by Avogadro's number (6.022 x \(10^2^3\) molecules/mol).

For nitrogen:

2.93 x \(10^4\) moles × 6.022 x \(10^2^3\) molecules/mol ≈ 2.22 x \(10^2^5\) molecules

For oxygen:

8.29 x \(10^3\) moles × 6.022 x \(10^2^3\) molecules/mol ≈ 6.29 x \(10^2^4\) molecules

Therefore, approximately 2.22 x \(10^2^5\) molecules of nitrogen and 6.29 x \(10^2^4\) molecules of oxygen are present in the ISS.

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