Name the type of organic compound from each description of the functional group: (b) group that is polar and has a triple bond;

Answer:

mass number = protons + neutrons i guess

The possible ion that has the configuration 1s²2s²2p⁶3s²3p⁶ is Chlorine Ion.

The given electronic configuration is 1s²2s²2p⁶3s²3p⁶.

First let us count the number of electrons in this atom.

The number of electrons are (2+2+6+2+6)

Total electrons = 18 electrons.

As we can see,

The outermost orbital 3p6 is full. It can only accept one electron.

It means that in the ground state.

The configuration of the species should have been,

1s²2s²2p⁶3s²3p⁵.

Now, as per the electronic configuration. The atom is chlorine.

So, the ion with the given electron configuration should must be chlorine ion.

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Hydrocarbons are insoluble in water because the majority of their bonds are polar covalent carbon-to-hydrogen linkages hence option b is the right choice.

A hydrocarbon is an organic molecule in organic chemistry that is made completely of hydrogen and carbon. The majority of hydrocarbons are colorless and hydrophobic, and their scents are either insignificant or best characterized by those of gasoline and lighter fluid. They can be gases, liquids, low-melting solids, or polymers, and they can also exist in a wide variety of molecular configurations and phases.

Hydrocarbons are the naturally occurring petroleum, natural gas, and coal, as well as their hydrocarbon derivatives and refined forms, in the fossil fuel industry. The primary source of energy for the entire planet is the burning of hydrocarbons.

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Answer:

Three properties of covalent bonds are low melting and boiling points, softer than ionic bonds, don't dissolve well in the water.

Three properties of ionic bonds are high melting as well as boiling points, hard and brittle in nature and conduct electricity when dissolved in water.

Answer:

0.57

Sig Figs

2

Decimals

2

Scientific Notation

5.7 × 10-1

Words

zero point five seven

Explanation:

Answer:

2

Explanation:

Answer:

The specific heat of the steel can be calculated using the formula:

Q = mcΔT

where Q is the heat transferred, m is the mass of the steel, c is the specific heat of the steel, and ΔT is the change in temperature.

First, calculate the heat transferred from the steel to the water:

Qsteel = mcΔT = (525 g)(c)(100 °C - 55 °C) = 27675c J

Next, calculate the heat transferred from the water to the steel:

Qwater = mcΔT = (375 g)(4.184 J/g. °C)(55 °C - 25 °C) = 50202 J

Since the heat lost by the steel is equal to the heat gained by the water:

Qsteel = Qwater

27675c J = 50202 J

c = 1.81 J/g. °C

Therefore, the specific heat of the steel is 1.81 J/g. °C.

Explanation:

Answer:

The energy change in a chemical reaction is due to the difference in the amounts of stored chemical energy between the products and the reactants. This stored chemical energy, or heat content, of the system is known as its enthalpy.

Explanation:

Due to the absorption of energy when chemical bonds are broken, and the release of energy when chemical bonds are formed, chemical reactions almost always involve a change in energy between products and reactants. By the Law of Conservation of Energy, however, we know that the total energy of a system must remain unchanged, and that oftentimes a chemical reaction will absorb or release energy in the form of heat, light, or both.

After a single Edman degradation of the tetrapeptide Gly-Phe-Tyr-Ser, the resulting peptide would be "Phe-Tyr-Ser" (option e).

The process of Edman degradation involves selectively removing one amino acid at a time from the N-terminus of a peptide chain. In this case, the tetrapeptide Gly-Phe-Tyr-Ser undergoes a single Edman degradation.

During the Edman degradation, the N-terminal amino acid (Gly) is cleaved off and identified. The resulting peptide after this degradation step would be the remaining amino acids.

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Answer:

go for what ever brother GUESS / imagine this gate brainlyist for literally doing nothing.

Explanation:

Answer:

How do you think plants would grow in space? Which tropism(s) would be affected and why?

In the absence of gravity, plants use other environmental factors, such as light, to orient and guide growth. A bank of light emitting diodes (LEDs) above the plants produces a spectrum of light suited for the plants' growth. Enjoy don't  fail :)

Explanation:

In an ecosystem like space where there is no gravity, geotropism would be affected .

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Answer:

The correct answer is 5021.25 kJ/mol octane

Explanation:

The heat absorbed by the calorimeter is given by:

heat absorbed = Ccal x ΔT

Given:

Ccal = 6.18 kJ/ºC (heat capacity of calorimeter)

ΔT= Final temperature - initial temperature = 41.5ºC-22.0ºC = 19.5ºC

We first calculate the heat absorbed:

heat absorbed = 6.18 kJ/ºC x 19.5ºC = 120.51 kJ

The change in internal energy (ΔE) is equal to the heat absorbed by the calorimeter. In order to determine ΔE in kJ/mol we have to divide the heat into the number of moles of octane (C₈H₁₈) burned in the calorimeter.

Molecular weight (C₈H₁₈) = (12 g/mol x 8) + (1 g/mol x 18) = 114 g/mol

Moles of C₈H₁₈= mass/molecular weight= (2.75 g)/(114 g/mol)= 0.024 moles

Finally, we calculate ΔE:

ΔE = heat absorbed/moles of octane = (120.51 kJ)/(0.024 mol octane) = 5021.25 kJ/mol octane

To complete a capstone project on opening a bar/restaurant, you need a high-level description of the company and any necessary background information.

1. Research: Begin by gathering information about the bar/restaurant industry, market trends, and customer preferences. This will provide a foundation for your project.

2. Company Description: Write a concise description of the company, including its vision, mission, and values. Highlight the unique aspects that will set your bar/restaurant apart from competitors.

3. Background Information: Provide relevant background information, such as the location, target market, and potential customer demographics. This will help determine the feasibility and potential success of your venture.

4. Permissions and Access: Ensure that you have all necessary permissions, licenses, and permits required to open a bar/restaurant. Research local regulations and obtain any required documentation.

5. Resources: Identify and access relevant information and resources needed to work on the project. This may include industry reports, financial data, and marketing strategies.

6. Conclusion in Three Lines: In conclusion, the capstone project on opening a bar/restaurant requires a high-level company description and background information. It is essential to obtain the necessary permissions and access relevant resources to complete the project successfully.

To summarize, you need to research, provide a company description and background information, obtain permissions, and access relevant resources to complete the capstone project on opening a bar/restaurant.

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Scientists can use the table to analyze reactivity among elements, predict chemical reactions, understand trends in periodic properties among different elements and speculate on the properties of those yet to be discovered. 

If the bromobenzene is added too quickly, biphenyl is formed as the side product with the Grignard reagent.

What is Grignard reagent?

Grignard reagent is an organomagnesium halide which has the formula RMgX where R is alkyl or aryl group, Mg is magnesium, X is an halide.

When bromobenzene is added too quickly to the Grignard reagent, biphenyl is formed as a by-product. the formation of the side product is enhanced by high temperature. So, this reaction is carried out in low temperature.

Therefore, biphenyl is formed as side product when bromobenzene is added quickly to the Grignard reagent. The structure of biphenyl is two benzene rings joined together.

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The increase in the ocean's average water temperature during mid months of the year may be associated with the summer season and therefore those cities should be located in the northern hemisphere.

Temperature varies in the Hemispheres due to the amount of solar radiation received by the earth's surface, which is higher during mid-months (i.e. June, July and August) in the northern hemisphere.

Therefore, with this data, we can see that temperature varies in the hemispheres according to the month which is associated with the solar radiation received in these months.

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When gas is heated to millions of degrees, it would primarily emit mostly X-rays.

X-rays have shorter wavelengths and higher energies compared to visible light, which is why they are emitted in significant amounts from extremely hot gas. "an equal amount of all wavelengths of light," is not accurate because the emission spectrum of a hot gas depends on its temperature and composition. "No light, because it is too hot," is also incorrect. "mostly radio waves," is not accurate for gas heated to millions of degrees.  

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Sodium, oxygen, with phosphorus combine to generate the monoatomic substances Na2O (sodium oxide), Na3P (sodium phosphide), Na3PO3 (sodium phosphite), and Na3PO4 (sodium phosphate).

All tissues and cells require phosphorus for their growth, upkeep, and repair, as well as for the creation of DNA or RNA, the genetic building blocks. Additionally, other minerals and vitamins like vitamin D, thyroid, magnesium, and zinc need phosphorus to be balanced and used.

Extra phosphorus alters the body in ways that cause calcium to be drawn from your bones, weakening them. Additionally, harmful calcium deposits in the heart, lungs, eyes, and blood vessels are caused by elevated phosphorus and calcium levels. With time

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In order to determine the empirical formula of a chloride of silicon containing 79.1 mass % cl, one needs to use the following steps. Step 1: Determine the masses of the elements in 100g of the compound To do so, assume that the sample is 100 g, which means that 79.1 g of the sample is Cl.

This means that the mass of silicon in the samples : masses of silicon = 100 - 79.1 = 20.9 g Step 2: Convert the masses into moles The molar masses of Cl and Si are: Cl = 35.5 g/mol Si = 28.1 g/mol The number of moles of each element can be calculated using their respective masses as shown below: Number of moles of Cl = 79.1 g / 35.5 g/mol = 2.23 mol Number of moles of Si = 20.9 g / 28.1 g/mol = 0.743 mol Step 3: Divide the number of moles by the smallest number of moles The smallest number of moles is 0.743 mol, which corresponds to silicon. Therefore, divide both the number of moles of Cl and Si by 0.743 mol. Number of moles of Cl in empirical formula = 2.23 mol / 0.743 mol = 3 mol Number of moles of Si in empirical formula = 0.743 mol / 0.743 mol = 1 mol The empirical formula of the chloride is therefore SiCl3. This means that the compound contains one atom of silicon and three atoms of chlorine. This formula is already in its simplest form, so it cannot be reduced any further.

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Answer: C) 1.6

Explanation: I got it right

Answer:

An ionic bond essentially donates an electron to the other atom participating in the bond, while electrons in a covalent bond are shared equally between the atoms.

Explanation:

none

Answer: An ionic bond is a bond that rips off electrons from one atom onto another.  The more valence electrons an atom has the more likely it is going to gain electrons.  The fewer valence electrons an atom has the more likely it is going to lose electrons.  

Covalent bonds are bonds that share electrons between two atoms.  

Answer:

1/4 of the offspeing will have the red flowers

Answer:

https://uach.mx/articulo/2017/10/20/biomateriales-como-implantes-en-el-cuerpo-humano/

Explanation:

utilizar este sitio web

The phase change that takes place when the temperature increases from -40°C to 0°C at 10 atm with carbon dioxide is from solid to gas.

When carbon dioxide is cooled down, it becomes solid which is also known as dry ice. Dry ice has a temperature of -78.5 °C. When we increase the temperature of dry ice to -40 °C, it will remain in the solid phase. If we continue to increase the temperature of dry ice to 0 °C, it will start sublimating and convert to the gas phase without passing through the liquid phase. This process is called sublimation.

At a pressure of 10 atm, CO2 will sublimate at a temperature of -56.6°C.Sublimation is a phase transition from a solid directly to a gas. This change happens because the solid's vapor pressure exceeds the ambient atmospheric pressure. Dry ice, for instance, is a substance that undergoes sublimation when heated. When solid carbon dioxide is heated, it transitions directly from a solid to a gas without going through a liquid stage.

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Answer:

See explanation

Explanation:

The structure of ethylene is shown in the image attached. The two carbon atoms have a double covalent bond between them.

The two carbon atoms are sp2 hybridized. The bond between them is a covalent bond, there is one pi bond and one sigma bond between the carbon atoms. Between carbon and hydrogen, there are covalent bonds also. The covalent bonds are sigma bonds.

The pi bonds between carbon atoms is weaker than the sigma bonds between the carbon atoms. This is because, the side-by-side overlap the p orbitals in a pi bond is less effective than the end-to-end overlap of a sigma bond.

Chemicals are substances made up of one or more atoms with unique physical and chemical properties, and every chemical has a formula, but not all naturally occurring chemicals are safe.

A chemical is a substance made up of one or more atoms that are chemically bonded together, with a unique set of physical and chemical properties.

Yes, every chemical has a chemical formula that describes the types and numbers of atoms present in the molecule or compound.

In the past, we have used chemicals that we thought were safe that have turned out to cause harm, such as lead.

To prevent repeating mistakes, it is important to conduct thorough research and testing on chemicals before they are used, and to continue monitoring their effects over time.

Regulations and guidelines can also be put in place to ensure that chemicals are used safely and responsibly.

The decision to ban or destroy a chemical depends on its level of toxicity and potential harm to humans and the environment.

In some cases, it may be necessary to ban or restrict the use of a chemical, while in others, it may be sufficient to implement safety measures and precautions.

No, not all naturally occurring chemicals are safe. Many toxic substances such as arsenic, mercury, and cyanide occur naturally in the environment and can be harmful to living organisms.

Chemicals should be evaluated based on their potential toxicity and risks, regardless of whether they are naturally occurring or synthetic. The source of a chemical does not necessarily determine its safety or toxicity.

References:

- National Institute of General Medical Sciences. (2021).

- Chemical Safety Facts. (n.d.). Chemical formulas.

- National Institute of Environmental Health Sciences. (2021).

- Environmental Protection Agency. (2021).

- United States Geological Survey. (2021). Naturally occurring contaminants.

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The passage fill up are:

(1) Liquid

(2) Floats or sinks

(3) Result

(4) Helium

(5) Displace

(6) Effort

(7) Displacement

(8) Result

(9) Pools

(10) Water

(11) Displaced

(12) Floating

(13) Pool

(14) Effort

(15) Ships

(16) Float higher

(17) Important

Sentence structure refers to the way words and phrases are arranged to form grammatically correct sentences. It includes the use of subject, verb, and object, as well as punctuation and the ordering of words in a sentence to convey meaning clearly and effectively.

Therefore, the structure of a sentence helps to determine its meaning and can affect the tone and emphasis of the sentence. Understanding sentence structure is important for clear and effective communication in writing and speaking.

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See transcribed text below



-floats

water

since course

important floating level _result

pool certain

float -helium

Liquid

Effort

displacement

also

pools however

Directions: Fill in each blank with the word that best completes the reading comprehension.

Float, float water boat,

How high do you float?

Salt water, fresh water, river water, sea,

How high can you float for me?

So how do ships and people float, anyway? The answers are buoyancy and density. Buoyancy is when an object or being (that includes you) can stay afloat in a

(1) Liquid (water) or a gas (air). This is why your ice cubes float in your lemonade and helium balloons rise into the air. Density or weight can determine if an object (2) floats

or sinks.

Ice cubes float in water, and warm or hot water will float on top of cold water. Even though cold water is denser than warm water, the ice cubes in your lemonade take up very little space. As a (3) Result , the ice cubes will float. When balloons are filled with the gas helium, they rise into the air (if you are not holding them, of course). The (4) helium is less dense than the air that is outside the balloon. If objects are denser, they will sink into the water or will not rise into the air. Now let's talk about people and ships.

(7)

in (6)

People are able to (5) amounts of water because the water is denser. Think about your bathtub that you have just filled with water. What happens when you get into your tub? If you said that the water rises, you were correct. This is called Once you get into the bathtub, your body pushes the water out of the way. Of (8) , you are not able to float in your tub (that would be an amazing event) because you are denser than the water that you pushed out of the way. However, if you were in a pool, it would be a different story.

People are able to float in (9) or oceans when they lie on their backs with their arms out to their sides (you can also float on your stomach in the same way). Even though your body has displaced some of the pool water, it is not enough to make your body denser than the displaced (10) (11) you have less density, the water will push up against your body. You are now a (12) body! Now you know why your plastic pool toys move around the (13) as if they were on parade. Did you know there is a body of water where people float with very little effort? The Dead Sea in Israel has very salty water. Saltwater is more dense then fresh water. When people swim in the Dead Sea, they float very high and with

very little (14)

Ships float because they have air in their hulls or ship bottoms (they are also less dense than the water they ships float at different heights in different types of water. are floating on). (15) float higher in Ships will float higher in saltwater than in freshwater. They (16) cold winter seas than warm tropical seas. So a ship sailing in the Northern Atlantic Ocean will float higher than to know this when it sails in the Gulf of Mexico. Why would it be (17) information? When ships are not carrying people, they are carrying cargo or boxes of products. The ships' level of their ships in different oceans. Most ships have a scale called the

The concentration of Cd2+ ion in the 0.022 M Cd(NO3)2 solution that is also 1.0 M NH3 at this temperature,

Kf for Cd(NH3)42+ is 1.0 × 10−5 M.

The given constants are:

Temperature (T) = not given

Kf (Formation constant) for

[Cd(NH3)4]2+ = 1.6 x 10^7

Kf = (4)2 / ([Cd2+][NH3]4) [Cd2+]

= (4)2 / (Kf [NH3]4)

The given values are:

Initial concentration of Cd(NO3)2 solution = 0.022 M

Initial concentration of NH3 solution = 1.0 MCd2+ is a part of complex ion, Cd(NH3)42+.

Cd2+ forms a complex ion by reacting with four NH3 molecules.  

Cd2+ + 4NH3 ⇌ Cd(NH3)42+

In this reaction, Cd2+ ion reacts with four NH3 molecules to form Cd(NH3)42+ complex ion.

Cd2+ has an equilibrium constant (Kf) of 1.6 x 107 for the complex ion formation.

Cd2+ and NH3 react to form the complex ion, Cd(NH3)42+ as follows:

[Cd2+][NH3]4 ⇌ [Cd(NH3)4]2+

We know that

Kf = ([Cd(NH3)4]2+ ) / ([Cd2+][NH3]4)

Kf = 1.6 × 107

= [Cd(NH3)4]2+ / ([Cd2+][NH3]4) [Cd2+]

= 4^2 / (Kf [NH3]4)[Cd2+]

= (4^2) / (1.6 × 107 × 1.0^4)[Cd2+]

= 1.0 × 10−5 M

Therefore, the concentration of Cd2+ ion in the 0.022 M Cd(NO3)2 solution that is also 1.0 M NH3 at this temperature,

Kf for Cd(NH3)42+ is 1.0 × 10−5 M.

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Answer: The limiting reagent is CO and 8.0 mol Fe will be formed.