Briefly describe why fatty acid breakdown referred to as beta-oxidation? be sure to explain the term beta

Answer:

graphite

Explanation:

graphite is also good conductor of electricity

Answer:

O 100

Explanation:

The density of the substance having a mass of 2.0 g is 0.4 g/mL (Option D)

First, we shall obtain the volume of the substance. This can be obtained as follow:

Volume of substance = (Volume of water + substance) - (Volume of water)

Volume of substance = 75 - 70

Volume of substance = 5 mL

Finally, we shall determine the density of the substance. This is illustrated below:

Density = mass / volume

Density of substance = 2 / 5

Density of substance = 0.4 g/mL

Thus, the density is 0.4 g/mL (Option D)

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Answer:

Boron and argon have 3 and 8 valence electrons respectively.

Aluminum and calcium have 3 and 2 valence electrons respectively.

Explanation:

Please give the brainliest.

Twice as much more will the freezing point of water be lowered in beaker a than in beaker b.

A liquid's freezing point rises if the intermolecular interactions between its molecules are strong. The freezing point, however, drops if the molecules of inter - molecular are minimal. The process through which a substance transforms from a liquid into a solid is known as freezing.

Freezing points play a big role in occupational safety. A chemical may perhaps turn harmful if held below its freezing point. A critical safety benchmark for assessing the effects of worker exposure to cold environments is the freezing point.

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The functional group that cannot form a hydrogen bond with water is the sulfhydryl group (b). A hydrogen bond is formed when a hydrogen atom is attracted to either a lone pair of electrons from an oxygen or nitrogen atom. The sulfhydryl group does not have a hydrogen atom and thus cannot form a hydrogen bond.

1. A hydrogen bond is formed when a hydrogen atom is attracted to either a lone pair of electrons from an oxygen or nitrogen atom.

2. The functional group that cannot form a hydrogen bond with water is the sulfhydryl group (b).

3. This is because the sulfhydryl group does not have a hydrogen atom and thus cannot form a hydrogen bond.

Hydrogen bonds are formed when the positively charged hydrogen atom is attracted to a lone pair of electrons from an oxygen or nitrogen atom. Of the listed functional groups, only the sulfhydryl group does not have a hydrogen atom and therefore cannot form a hydrogen bond.

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The beginning of a boiling point is the temperature at which a substance boils under standard conditions of 1 atm pressure and the end of a range of a boiling point is the temperature above which a substance can no longer be liquefied.

The range of a boiling point refers to the difference between the lowest and highest boiling point of a substance. The boiling point of a substance is defined as the temperature at which its vapour pressure is equal to atmospheric pressure and it changes from a liquid to a gas. The normal boiling point is usually used as a reference point to compare the boiling points of different substances.

On the other hand, the end of a boiling point range is defined as the “critical temperature” which is the temperature above which a substance can no longer be liquefied no matter how much pressure is applied. At this temperature, the vapour pressure of the substance is equal to its critical pressure, and it becomes a supercritical fluid.

It's essential to understand that the boiling point range is not a fixed value and can vary based on the pressure and temperature of the surrounding environment. In addition, some substances have a wide boiling point range, while others have a narrow range.

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The mole ratio of H to C in ethanol is 1:3.

The mole ratio of H to C in ethanol, which has a chemical formula of CH3CH2OH, can be determined by looking at the number of atoms of each element present in the molecule. In this case, there are six carbon atoms and two hydrogen atoms. Therefore, the mole ratio of H to C in ethanol is 1:3.

This means that for every one mole of hydrogen atoms in ethanol, there are three moles of carbon atoms present. This ratio is important because it can be used to calculate the amount of reactants needed to produce a certain amount of product in a chemical reaction.

For example, if ethanol was being produced from a reaction involving a certain amount of carbon and hydrogen, the mole ratio of H to C could be used to determine how much of each reactant was needed to produce a specific amount of ethanol.

Overall, understanding the mole ratio of H to C in a molecule like ethanol can be useful in a variety of chemical applications and reactions.

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you can follow these steps to determine the standard Gibbs free energy for any reaction at 298 K, given the necessary ΔG°f values.

To calculate the standard Gibbs free energy (ΔG°) for a reaction at 298 K, you will need to follow these steps:
1. Write down the balanced chemical equation for the reaction.
2. Look up the standard Gibbs free energy of formation (ΔG°f) values for each reactant and product in a table or reliable source. These values are usually given at 298 K.
3. Apply the following equation to calculate the standard Gibbs free energy change for the reaction:
ΔG° = Σ [ΔG°f(products)] - Σ [ΔG°f(reactants)]

Δ G ∘ = − 1486 kJ/mol

T = 3032 K

Δ G ∘ = Δ H ∘ − T Δ S ∘

T = 298 K under ordinary conditions.

∴ Δ G ∘ = − 1648.4 × 10 3 − ( 298 × − 543.7 )

Δ G ∘ = − 1486 kJ/mol

At equilibrium, G = 0.

∴ 0 = Δ H ∘ − T Δ S ∘

We can use the conventional values if we assume that temperature has no effect on enthalpy and entropy changes.

∴T = Δ H ∘ Δ S ∘

T = − 1648.4 × 10 3 − 543.7 K

T = 3032 K
In this equation, you'll need to multiply the ΔG°f value for each substance by its stoichiometric coefficient in the balanced equation. Then, sum the ΔG°f values for all products and subtract the sum of the ΔG°f values for all reactants.
Unfortunately, you haven't provided the specific reaction you need help with. However, you can follow these steps to determine the standard Gibbs free energy for any reaction at 298 K, given the necessary ΔG°f values.

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The atom that contains only one electron in the highest occupied energy sublevel is (c) Ga

A sublevel is the division of the principle energy levels. There are infinite numbers of sublevels but the defined are: s, p, d and f.

These energy levels are used to predict and explain the chemical bonds which atoms can form. The equation that allows for finding the distributions for an electron is the Schrodinger's equation.

For the options gave we have the following sublevels:

(a) S = [Ne] 3s2 3p4

(b) Ca = [Ar] 4s2

(c) Ga = [Ar] 3d10 4s2 4p1

(d) Sb =[Kr] 4d10 5s2 5p3

(e) Br = [Ar] 4s2 3d10 4p5

As we can see the only atom that has one electron in the highest occupied energy sublevel is Gallium

The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.

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Answer:

C. C₆H₁₂O₂

Explanation:

Step 1: Count the number of H atoms

12 H atoms present

Step 2: Count the number of C atoms

6 C atoms present

Step 3: Count the number of O atoms

2 O atoms present

Step 4: Combine

C₆H₁₂O₂

Answer: C

Explanation:

The common sources that emit VOCs are paint, gasoline, glues/adhesives, iron/steel/tin products, heavy metals.

Organic substances that have a high vapour pressure at room temperature are known as volatile organic compounds (VOCs). Low boiling point and high vapour pressure are related to volatility, which is the proportion of the sample's molecules in the surrounding air.

Along with being pollutants, VOCs are also responsible for smells and perfumes' odour. In order to attract pollinators, protect plants from predators, and even converse among themselves, VOCs are crucial in animal-plant communication. Some VOCs are harmful to the environment or pose a risk to human health. Laws are in place to control anthropogenic VOCs, especially indoors where concentrations are highest. Although the majority of VOCs are not immediately toxic, they may have long-term, chronic health effects. VOCs have been employed in several pharmaceutical products.

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The Bohr model and the quantum mechanical model are both models that describe the behavior of the hydrogen atom. They are similar in that they both predict discrete energy levels for the hydrogen atom.

The Bohr model was developed in 1913 and it assumes that the electrons move in circular orbits around the nucleus. The quantum mechanical model, on the other hand, was developed in the 1920s and it describes the electrons in terms of wave functions.

The key difference between these models is that the Bohr model is a classical model, while the quantum mechanical model is a quantum mechanical model. The Bohr model is limited in its ability to describe the behavior of atoms with more than one electron, while the quantum mechanical model can be applied to any atom.

The Bohr model also assumes that the electrons move in circular orbits, while the quantum mechanical model describes the electrons in terms of probability distributions.

In summary, both models are useful for understanding the behavior of the hydrogen atom, but the quantum mechanical model is a more comprehensive model that can be applied to a wider range of atoms.

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This problem is providing the length in inches of a rod and it is being required to convert it to centimeters. According to the following, the answer will be 43.7 cm:

In science, we use units conversion to represent measurements in different types of units depending on a specific requirement. To do so, we use conversion factors based on equivalence statements, relating the required unit with the given one.

In this case, the equivalence statement between inches and centimeters is 2.54 cm = 1 in and we can use it to get the answer as shown below:

\(17.2in*\frac{2.54cm}{1in} \\\\=43.7 cm\)

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Answer:

Quick you said:

-Purpose/Question

Ask a question.

-Research

Conduct background research. Write down your sources so you can cite your references. In the modern era, a lot of your research may be conducted online. Scroll to the bottom of articles to check the references. Even if you can't access the full text of a published article, you can usually view the abstract to see the summary of other experiments. Interview experts on a topic. The more you know about a subject, the easier it will be to conduct your investigation.

-Hypothesis

Propose a hypothesis. This is a sort of educated guess about what you expect. It is a statement used to predict the outcome of an experiment. Usually, a hypothesis is written in terms of cause and effect. Alternatively, it may describe the relationship between two phenomena. One type of hypothesis is the null hypothesis or the no-difference hypothesis. This is an easy type of hypothesis to test because it assumes changing a variable will have no effect on the outcome. In reality, you probably expect a change but rejecting a hypothesis may be more useful than accepting one.

-Experiment

Design and perform an experiment to test your hypothesis. An experiment has an independent and dependent variable. You change or control the independent variable and record the effect it has on the dependent variable. It's important to change only one variable for an experiment rather than try to combine the effects of variables in an experiment. For example, if you want to test the effects of light intensity and fertilizer concentration on the growth rate of a plant, you're really looking at two separate experiments.

-Data/Analysis

Record observations and analyze the meaning of the data. Often, you'll prepare a table or graph of the data. Don't throw out data points you think are bad or that don't support your predictions. Some of the most incredible discoveries in science were made because the data looked wrong! Once you have the data, you may need to perform a mathematical analysis to support or refute your hypothesis.

-Conclusion

Conclude whether to accept or reject your hypothesis. There is no right or wrong outcome to an experiment, so either result is fine. Accepting a hypothesis does not necessarily mean it's correct! Sometimes repeating an experiment may give a different result. In other cases, a hypothesis may predict an outcome, yet you might draw an incorrect conclusion. Communicate your results. The results may be compiled into a lab report or formally submitted as a paper. Whether you accept or reject the hypothesis, you likely learned something about the subject and may wish to revise the original hypothesis or form a new one for a future experiment.

The atomic radius decrease on moving left to the right along the  period because the number of the electrons increases.

The number of the protons and electrons increases and  the attractive forces in between the nucleus and the electrons  will increase, this leads to the electrons closer to the nucleus and the decreasing the size of the atom. The number of the electrons will increases in the same subshell and the outermost electrons will pulled closer together to the nucleus.

Thus, the atomic radius will decreases as we move from the left to the right across the period in the period table.

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105.00g mass of NaOCl to react with HCl and produce 100.0 g of Cl₂.

The balanced chemical equation for the reaction between NaOCl and HCl is:

NaOCl + HCl → NaOH + Cl₂  

From the equation, we can see that 1 mole of NaOCl reacts with 1 mole of Cl₂. Therefore, we need to determine the number of moles of Cl₂ that are required, and then use the stoichiometry of the balanced equation to calculate the corresponding number of moles of NaOCl required.

The molar mass of Cl₂ is 2 x 35.45 g/mol

= 70.90 g/mol.

We can use this molar mass to calculate the number of moles of Cl₂ required:

100.0 g / 70.90 g/mol

= 1.41 mol

Therefore, 1.41 mol of NaOCl is required to react with 1.41 mol of HCl to produce 1.41 mol of Cl₂. The molar mass of NaOCl is 74.44 g/mol, so we can calculate the mass of NaOCl required as:

1.41 mol x 74.44 g/mol

= 105.00 g

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Answer:

hi this it for the Instructions: In this engineering lab, you will build and test a device that releases and absorbs

thermal energy in order to reach a goal. You will need to repeat tests of your device to make sure it

does not need to be redesigned or improved. Record your observations and test measurements in

the lab report below. You will submit your completed report. yea that thing the answer is in the file

Explanation:

sorry for telling you on this :( but i hope this helps

Answer:

diffusion

Explanation:

Diffusion can be defined as the net movement of particles from a high concentration to a low concentration. This sounds like the most plausible word in this case.

Answer:

The National Institute of Standards and Technology defines STP differently as absolute pressure of 1 atm (101.325 kPa, 14.696 psi) and 20 degrees Celsius (293.15 degrees Kelvin, 68 degrees Fahrenheit).

Answer: Lanthanide or Lanthanides

Explanation: Sorry that I don’t have an explanation. I just answered the question correctly myself. <33

The lanthanide and actinide are present in the periodic table as a transition metals.

Periodic table is defined as a tabular arrangement of chemical elements ordered by increasing atomic number and element groups.

The latest periodic table has an ordered grouping of the 118 known chemical elements.

Lanthanide is defined as any of the elements with rising atomic numbers beginning with lanthanum or cerium and ending with lutetium.

Lanthanide are rarely found on earth i.e. they are called rare earth metals.

Actinide is defined as any of the elements with increasing atomic numbers beginning with actinium or thorium and ending with lawrencium.

Actinide are the radioactive metals.  

Thus, the lanthanide and actinide are present in the periodic table as a transition metals.

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Answer:

B. halocline

Explanation:

it is a zone in the oceanic water that changes depending on the depth

Hope This Helped Sorry If Wrong

The oxygen concentration in the air is considered deficient if it drops below 19.5%.

To understand why oxygen concentration is important, we must first recognize that oxygen is vital for sustaining human life.

The air we breathe typically contains about 21% oxygen, which is the optimal level for our respiratory system to function efficiently.

However, if the oxygen concentration drops below 19.5%, it can have adverse effects on our health.

When the oxygen level in the air is deficient, it can lead to hypoxia, a condition characterized by oxygen deprivation in the body's tissues.

This can cause symptoms such as shortness of breath, rapid breathing, dizziness, confusion, and even loss of consciousness in severe cases.

Prolonged exposure to low oxygen levels can have serious consequences, including organ damage and even death.

Several factors can contribute to a decrease in oxygen concentration in the air.

These include high altitudes where the air is naturally thinner, poorly ventilated spaces, pollution, and certain medical conditions that affect the body's ability to absorb or transport oxygen effectively.

To ensure a sufficient oxygen supply, it is crucial to monitor indoor air quality, especially in enclosed spaces.

Adequate ventilation and circulation of fresh air can help maintain optimal oxygen levels.

In situations where oxygen concentration drops significantly, supplemental oxygen therapy may be necessary to support individuals with respiratory difficulties.

In conclusion, oxygen concentration in the air is considered deficient if it falls below 19.5%. Sustaining adequate oxygen levels is essential for our overall well-being and health.

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(e) 5, 4,- 5, 1/2 is the acceptable set of quantum numbers for an electron in an atom.

In chemistry, electrons in atoms are described by four sets of quantum numbers, and they are as follows:

The principal quantum number, or n, typically has integer values ranging from 1 to infinity. From 0 through n - 1, the orbital quantum number can have several values. In contrast to the spin quantum number, the magnetic quantum number can take on values ranging from -l to +l.

Putting this to the back of our thoughts, we can clearly see that only the set of quantum numbers 5, 4,- 5, 1/2 meets the requirements outlined above.

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Answer:

an ideal gas does not exist except as a conceptual notion, an ideal. Physicists and chemists idealized the behaviour of real gases so that they could explain these phenomena. Under conditions of low pressure and high temperature, all gases behave like real gases, even gases such as UF6 .

Answer:

True

Explanation:

In this question, we have to choose two neutral atoms that will present the same number of valence shell electrons, in order to do that, we can look for these elements in the periodic table, the elements that are in the same group will have the same number of electrons in the valence shell, this is the case of Sulfur and Selenium, both are in group 6 and present 6 electrons in the valence shell