What happens to primary alcohols when using the Jones reagent?

Answer:

vines or body vessels

Explanation:

Veins are vessels of the circulatory system that support circulation by conveying blood to the heart. Blood flowing through the circulatory system transports nutrients, oxygen, and water to cells throughout the body.

Answer: Respiratory system.

Explanation: The cardiovascular system transports oxygen and carbon dioxide for the respiratory system. Not the best explanation but I hope this help ya, good luck! ;D

Answer:B is the right answer

Explanation:

Answer: B

2s2 = 2 valence e-

2p5 = 5 valence e-

This will be 7 valence electrons

A) The value of Ka for the weak acid C₆H₅NH₃⁺ is approximately 5.03 × 10⁻¹¹.

b) The value of Kb for the weak base ClO⁻ is approximately 1.86 × 10⁻⁵.

A) For the weak acid C₆H₅NH₃⁺, the equilibrium expression for Ka is given by: Ka = [C₆H₅NH₂][H₃O⁺] / [C₆H₅NH₃⁺].

[C₆H₅NH₃⁺] = 0.233 M

[C₆H₅NH₂] = 2.3 × 10⁻³ M

[H₃O⁺] = 2.3 × 10⁻³ M

Plugging these values into the Ka expression:

Ka = (2.3 × 10⁻³ M)(2.3 × 10⁻³ M) / (0.233 M)

Ka ≈ 5.03 × 10⁻¹¹

b) For the weak base ClO⁻, the equilibrium expression for Kb is given by: Kb = [OH⁻][HClO] / [ClO⁻].

[OH⁻] = 4.0 × 10⁻⁴ M

[HClO] = 2.38 × 10⁻⁵ M

[ClO⁻] = 0.273 M

Plugging these values into the Kb expression:

Kb = (4.0 × 10⁻⁴ M)(2.38 × 10⁻⁵ M) / (0.273 M)

Kb ≈ 1.86 × 10⁻⁵

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pH of the buffer solution is 0.18.

The following expression can be used to determine the pH of an acidic buffer solution:

pH = pka + log ([A-] / [HA])

We can determine the salt and acid concentrations by changing the supplied values in the expression above.

[Salt] = 6 M

[Acid] =  4 M

Change the values in the equation above.

pH = 1.32 * 10⁻⁵ + log

pH = 1.32 * 10⁻⁵ + 0.17609

pH = 0.0000132 + 0.17609

pH = 0.1761032

pH = 0.18

As a result, the buffer solution's pH is 0.18.

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(A) A student measured the boiling point of water to be 209°F . the accepted value is 212°F. the absolute error is  3°F   and the percent error is 1.41 5

(B) a bowling ball weighs 8 lbs. you decide to test your bathroom scale and you measure that ball weighing 7.35 lbs . the absolute error is 0.65lbs  and the percent error is 8.12 %

(A) The actual value = 212°F and The observed value = 209°F

     The absolute error = | actual value - observed value |

                                     =  |  212 °F - 209 °F |

                                     =  3 °F

percent error = ( | actual value - observed value | /actual value ) × 100 %

                       = ( 3 / 212 ) × 100 %

                       =  1.41 %

(B) The actual  value = 8 lbs

    The observed value = 7.35 lbs

The absolute error = | actual value - observed value |

                                = | 7.35 - 8 |

                               = 0.65 lbs

percent error = ( | actual value - observed value | /actual value ) × 100 %

                      = ( 0.65 / 8 ) × 100%

                      = 8.12 %

Thus, (A) A student measured the boiling point of water to be 209°F . the accepted value is 212°F. the absolute error is  3°F   and the percent error is 1.41 %

(B) a bowling ball weighs 8 lbs. you decide to test your bathroom scale and you measure that ball weighing 7.35 lbs . the absolute error is 0.65 lbs    and the percent error is 8.12 %

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Answer:

53

Explanation:

Answer:

53

Explanation:

In summary, compound a reacts with hydrogen to undergo catalytic hydrogenation, and then undergoes ozonolysis followed by Zn treatment to produce an aldehyde or ketone.

Compound a, C10H16, is a hydrocarbon that undergoes catalytic hydrogenation when it reacts with 1 molar equivalent of hydrogen. This means that the hydrogen gas is added across the double bonds in the compound, resulting in a saturated compound with no double bonds.

A undergoes reaction with ozone, which is an oxidative process that cleaves double bonds in organic compounds. This produces a mixture of ozonides, which are unstable compounds that can be further treated with a reducing agent such as zinc (Zn). The Zn treatment is a step in the process of reducing the ozonides to aldehydes or ketones, depending on the structure of the starting hydrocarbon.

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According to the question the Ksp of KClO₃ at 74°C is 1.07 x 10-3 mol²/L²

Temperature is a physical property of matter that quantitatively expresses the common notions of hot and cold. It is measured by a thermometer and indicated by a numerical value on a mutually agreed-upon temperature scale such as Celsius, Fahrenheit, or Kelvin.

The Ksp of a substance is the equilibrium constant for the dissolution reaction for that substance. To calculate the Ksp of KClO₃ at 74 oC, we first need to calculate the molar concentration of KClO₃ in the solution.
Since 4.00 g of KClO₃ has a molar mass of 122.5 g/mol, the molar concentration of KClO₃ would be
c = 4.00 g/122.5 g/mol = 0.0327 mol/L
The Ksp of KClO₃ at 74 oC can then be calculated using the following equation:
Ksp = [K+] x [ClO³⁻]
where [K+] and [ClO³⁻] are the molar concentrations of the K+ and ClO3- ions, respectively.
Since KClO₃ dissociates completely into K⁺ and ClO³⁻ ions, the molar concentration of each ion is equal to the molar concentration of KClO₃, which we calculated to be 0.0327 mol/L.
Therefore, the Ksp of KClO₃ at 74 oC is
Ksp = [K⁺] x [ClO³⁻] = (0.0327 mol/L) x (0.0327 mol/L) = 0.00107089 mol²/L²
or
Ksp = 1.07 x 10-3 mol²/L²

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Answer:

Eutrophication is the enrichment of a body of water with excessive nutrients (nitrogen and phosphorus), which causes algal growth and subsequent decline of dissolved oxygen after decomposition.

Answer:  Emission spectra

The Emission spectrum can be separated into three types:

A gas of hydrogen atoms will create an absorption line spectrum if it is between you (telescope+spectrograph) and a continuum light source, and also an emission line spectrum if considered from a distinguishable angle.

When The emission spectrum of atomic hydrogen has been divided into several spectral sequences, with wavelengths given by the Rydberg formula.

These experimental spectral lines are due to the electron-making transitions between two energy positions in an atom.

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The color intensity of cis and trans complexes typically varies due to the different geometries of these isomers.

Cis complexes have a square planar geometry, while trans complexes have a tetrahedral geometry. The difference in geometry causes the energy levels of the d orbitals in the metal ion to split differently, resulting in different wavelengths of light being absorbed and reflected.

As a result, cis complexes tend to absorb light in the visible range and appear colorful, while trans complexes often absorb light in the ultraviolet range and appear colorless. The exact colors and intensity of the complexes depend on the specific metal ion and ligands involved.

The color intensity of cis and trans complexes typically varies due to differences in geometry and resulting differences in absorbed and reflected wavelengths of light. Cis complexes tend to be colorful due to visible light absorption, while trans complexes often appear colorless due to ultraviolet light absorption.

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The camel consumed approximately 2.24 kg of protein from the Bermudagrass hay.

To calculate the amount of protein the camel consumed, we need to consider the dry matter basis of the hay. Here's how you can calculate it:

Calculate the dry matter weight of the hay:

Dry Matter Weight = Total Weight of Hay × Dry Matter Percentage

Dry Matter Weight = 18.3 kg × (83.4/100)

Dry Matter Weight = 18.3 kg × 0.834

Dry Matter Weight = 15.2442 kg

Calculate the protein content in the dry matter;

Protein Content = Dry Matter Weight × Protein Percentage

Protein Content = 15.2442 kg × (14.7/100)

Protein Content = 15.2442 kg × 0.147

Protein Content = 2.2414194 kg

Therefore, the camel consumed approximately 2.24 kg of protein from the Bermudagrass hay.

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Explanation:

At the start of the citric acid cycle, a molecule of oxaloacetate accepts a two-carbon acetyl group from acetyl CoA to form citrate. This reaction kicks off the citric acid cycle; thus, oxaloacetate is required for the cycle to take place.

To begin the citric acid cycle, an oxaloacetate molecule accepts a two-carbon acetyl group from acetyl CoA to form citrate. Because this reaction initiates the citric acid cycle, oxaloacetate is required for the cycle to occur.

The Krebs cycle, also known as the citric acid cycle or TCA cycle, is a chain of reactions that occurs in the mitochondria and is used by almost all living cells to produce energy through aerobic respiration. It consumes oxygen and emits water and carbon dioxide as byproducts.

All aerobic organisms use a series of chemical reactions to generate energy by converting acetate derived from carbohydrates, fats, and proteins into carbon dioxide.

The citric acid cycle involves the attachment of an acetyl group from acetyl CoA to a four-carbon oxaloacetate molecule to form a six-carbon citrate molecule.

Thus, Citrate is oxidized in a series of steps, releasing two carbon dioxide molecules for each acetyl group fed into the cycle.

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Answer:

a substance that can dissolve other molecules and compounds, which are known as solutesBecause of its ability to form hydrogen bonds, , meaning that it can dissolve many different kinds of molecules.

Explanation:

Answer:The temperature of the water in both beakers is greater than 8 °C. in beaker B

Explanation:

Answer:

One way to predict the type of bond that forms between two elements is to compare the electronegativities of the elements. In general, large differences in electronegativity result in ionic bonds, while smaller differences result in covalent bonds. the bonding is covalent bcz its between the most electronegative atom nitrogen and carbon .

Since the electronegativity difference between nitrogen and chlorine is not very much so chemical bonding is the only bond between them Thus the name of  N2C14 is Dinitrogen Tetrachloride and there is covalent bonding in this compound

There are two types of bonding in chemistry, one is ionic bonding while other is covalent bonding. Ionic bonding is due to the complete transfer of electron from one  element to other. While the covalent bond is due to the equal sharing of electron by each element

Metals and non metals combine to form ionic bond while the element with the same electronegativity form covalent bonding.

To name this we have to see the number of element and accordingly use di, tri and the write the name of first element and then second element's name with ide

Thus the name of  N2C14 is Dinitrogen Tetrachloride and there is covalent bonding in this compound

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Answer:

The answer is B

Explanation:

cell,tissue,organs,system, organisms

Feldman and Frydman consider molecular chaperones critical for protein folding because they play crucial roles in ensuring proper folding and preventing protein misfolding and aggregation.

One specific example is the chaperone Hsp70. Hsp70 binds to hydrophobic regions of unfolded or misfolded proteins, preventing their aggregation and assisting in their correct folding. Hsp70 accomplishes this by utilizing ATP hydrolysis to undergo conformational changes that allow it to bind to client proteins and facilitate their folding. Without Hsp70, misfolded proteins could aggregate and form toxic species associated with various diseases, such as neurodegenerative disorders.

Another example is the chaperonin GroEL/GroES system. GroEL is a large, multi-subunit complex that provides a confined environment for the folding of newly synthesized or stress-denatured proteins. GroES acts as a lid, enclosing the substrate protein within the GroEL cavity. The GroEL/GroES system facilitates protein folding by preventing misfolding and promoting proper folding through cycles of substrate binding and release. This chaperonin system is essential for the folding of many proteins, including enzymes involved in critical cellular processes.

Overall, molecular chaperones like Hsp70 and the GroEL/GroES system are crucial for protein folding because they help prevent protein misfolding, promote correct folding, and protect against protein aggregation, ensuring proper protein function and maintaining cellular homeostasis.

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Compensatory responses are the compensation mechanism that maintains the body's fluid levels. The increased alveolar ventilation is seen in aspirin overdose.

Aspirin or acetylsalicylic acid is a general pain reliever that can cause poisoning when overdosed. It results in tinnitus, hyperventilation, increased heart rate, low blood pressure, fever, dehydration, etc.

Aspirin toxicity decreases the pH making the blood more acidic causing increased ventilation through alveoli to remove the excess carbon dioxide to balance the pH levels.

Therefore, in aspirin poisoning, the increased alveolar ventilation is the acute compensatory response.

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When particles move fast enough, these forces can no longer keep particles together.

Recall that the particles of a substance are in constant random motion. Hence, when more energy is added to the system, the particles within the system will have greater motion, and the temperature will increase.

The forces that keep molecules together in a particular state of matter are electrostatic forces. When particles move fast enough, these forces can no longer keep particles together.

It is common to use the analogy of an elastic material to represent the bonding between atoms in molecules. However, this analogy is not apt in a phase change because, for a phase change from liquid to gas, the bonds break completely and particles can move independently of each other.

We know that the average kinetic energy of the molecules of a substance depends on the temperature of the body. Therefore, a sample of liquid benzene at 80ºC and a sample of gaseous benzene at 80ºC will have the same average kinetic energy as benzene molecules.

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Answer:

you should balance the combus reaction

Explanation:

if

A + O2 → CO2 + H2O

Co2

Explanation:

CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l)

Answer:

C - CO

Explanation:

Correct on EDGE

The average concentration of wastewater is 168 kg/m³.

The consumption of solvent per day = 100 kg/30 days

The consumption of solvent per day = 10/3 kg/day

Amount lost = 10/3×15/100

Amount lost = 0.5

Remaining amount of solvent = 3.3 - 0.5

Remaining amount of solvent = 2.8 kg/day

Recovered amount = 2.8×40/100

Recovered amount = 1.12 kg/day

Remaining amount of solvent = 2.8 - 1.12

Remaining amount of solvent = 1.68 kg/day

So, 1.68kg/day is received by wastewater. As 1 kg is 1000 gram. Thus, 1.68 kg is 1680 grams Concentration in wastewater = 1680/10

Concentration in wastewater = 168 kg/m³

Hence, the concentration in wastewater is 168 kg/m³.

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Answer:

1425 mmHg.

Explanation:

The following data were obtained from the question:

Initial volume (V1) = 1.5 L

Initial pressure (P1) = 1 atm

Final volume (V2) = 0.8 L

Final pressure (P2) =?

Next, we shall determine the final pressure of the gas by using the Boyle's law equation as follow:

P1V1 = P2V2

1 × 1.5 = P2 × 0.8

1.5 = P2 × 0.8

Divide both side by 0.8

P2 = 1.5/0.8

P2 = 1.875 atm

Finally, we shall convert 1.875 atm to mmHg.

This can be obtained as follow:

1 atm = 760 mmHg

Therefore,

1.875 atm = 1.875 × 760 = 1425 mmHg.

Therefore, the new pressure of the gas is 1425 mmHg.

Answer:

Led is a light-emitting diode, a semiconductor diode that glows when a voltage is applied. So, there is always a sure result of whether a substance conducts electricity or not as the light glows. That is why it is a better option for testing conduction of electricity.

Explanation:

To calculate the mass of Li3PO4 needed to prepare a solution with a lithium ion concentration of 1.61 M in 500.0 mL of solution, we first need to determine the number of moles of lithium ions needed.

Since the concentration of lithium ions is 1.61 M, this means that there are 1.61 moles of lithium ions in 1 liter of solution. Therefore, in 500.0 mL (0.5 L) of solution, there would be 0.805 moles of lithium ions.

Next, we need to consider the stoichiometry of Li3PO4. For every one mole of Li3PO4, there are three moles of lithium ions. Therefore, to get 0.805 moles of lithium ions, we need 0.268 moles of Li3PO4.

Finally, to calculate the mass of Li3PO4 needed, we can use its molar mass, which is 115.79 g/mol. Therefore, the mass of Li3PO4 needed to prepare 500.0 mL of a solution with a lithium ion concentration of 1.61 M is:

mass = moles x molar mass
mass = 0.268 mol x 115.79 g/mol
mass = 31.1 g

Therefore, approximately 31.1 g of Li3PO4 is needed to prepare the solution.

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A buffer system is designed to maintain a specific pH level (option c).

Buffer systems are essential in biological and chemical processes as they prevent significant changes in pH by resisting alterations in acidity or alkalinity. They consist of a weak acid and its conjugate base (or a weak base and its conjugate acid). When an acid or base is added to the buffer system, the weak acid or base reacts with the added component, minimizing the change in pH.

The buffer system achieves this by absorbing or releasing hydrogen ions (H+) to maintain a relatively constant pH. This ability to regulate pH is crucial for various physiological functions, such as maintaining proper enzyme activity and cellular processes.

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Option 1 (an increase in active ion concentration at the cathode) would cause an increase in potential (more positive Ecell).

To answer this question, we need to consider the Nernst equation, which relates the cell potential to the activities (or concentrations) of the ions involved in the redox reaction. The equation is Ecell = E°cell - (RT/nF) ln(Q), where E°cell is the standard cell potential, R is the gas constant, T is the temperature, n is the number of electrons transferred in the reaction, F is Faraday's constant, and Q is the reaction quotient (products/reactants).
Based on this equation, we can see that changes in ion concentration or temperature can affect the cell potential. Specifically, an increase in active ion concentration at the cathode would cause an increase in potential, as this would increase the cathode's reduction potential (reducing the Q term in the Nernst equation). Conversely, an increase in active ion concentration at the anode would decrease the cell potential (increasing the anode's oxidation potential).
Regarding temperature, an increase in temperature would increase the cell potential if K/Q > 1, as this would favor the forward reaction and increase the concentration of products (reducing the Q term in the Nernst equation). If K/Q < 1, an increase in temperature would decrease the cell potential.
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