Proton NMR can provide evidence that you have successfully oxidized isoborneol to camphor. List key peaks (include approximate ppm, relative ratio, and splitting pattern) you would look for in the proton NMR spectrum of the product to determine if the oxidation was a success.

Answer:

x = 0.51

Calculations:

P = 3.00 atm + 2.80 atm + 0.25 atm + 0.15 atm

P = 6.8 atm

3.5 atm = x (6.8 atm)

x = 0.51

Please mark brainliest

Hope this helps.

The number of reactants is less than the number of products in a decomposition reaction.

This is the type of chemical reaction which involves a reactant being broken down into two or more products.

This means the number of product is always greater than the reactant which is why option C was chosen.

Read more about Decomposition reaction here https://brainly.com/question/1465225

#SPJ1

When performing a reflux in an Erlenmeyer flask, you should take the following precautions:

Explanation :

1. Wear appropriate personal protective equipment (PPE) such as lab coat, gloves, and safety goggles to protect yourself from potential chemical hazards.
2. Make sure the Erlenmeyer flask is made of heat-resistant glassware like borosilicate glass to prevent breakage due to thermal stress.
3. Secure the Erlenmeyer flask using a clamp or a ring stand to prevent it from tipping over during the reaction.
4. Use a water or oil bath to heat the flask uniformly and prevent hot spots that may cause overheating.
5. Ensure the reflux condenser is securely connected to the flask to prevent the escape of vapors or hazardous chemicals.
6. Monitor the reaction temperature regularly to maintain the appropriate temperature for reflux and avoid overheating or excessive cooling.

The procedure of reflux in an Erlenmeyer flask differs from other reflux reactions with an air condenser primarily in the type of condenser used. In this case, you use a water or oil bath for heating, while an air condenser relies on air circulation to dissipate the heat and condense the vapor.

Air condensers may be more suitable for reactions with low boiling points and when the risk of water contamination is a concern.

To know more about the Erlenmeyer flask https://brainly.com/question/10261429

#SPJ11

On the basis of classification, electrolytic cells use non-spontaneous reactions which require an external power source in order to proceed.

On the other end, galvanic cells are spontaneous reaction, meaning it occurs with no outside intervention

A chemical change or reaction simply refers to a change which is not easily reversed and in which no new substance is formed.

So therefore, On the basis of classification, electrolytic cells use non-spontaneous reactions which require an external power source in order to proceed.

Learn more about chemical reactions:

https://brainly.com/question/11231920

#SPJ1

Answer:

1.82

Explanation:

pH is given by the equation

The specific heat of the metal is approximately 0.24 J/(g·°C)

We can use the following formula to determine the metal's specific heat:

q = mcΔT where q is the heat transmitted, m is the metal's mass, c is its specific heat, and T is the temperature change. This is how we may first determine how much heat is transported from the metal to the water:

Q = M Water, C Water, and T Water. where water is the mass of the liquid, water is its specific heat, and water is the temperature change of the liquid. We are aware that water has a mass of 50.0 mL, which is equal to 50.0 g (water has a density of 1 g/mL). Water has a specific heat of 4.18 J/(g°C) or less, and a change in temperature of the water is 11.0 °C (31 °C - 20.0 °C). By replacing these values, we obtain:

q = 50 g, 4.18 J/(gC), 11.0 °C, and 2309 J. The heat transferred from the metal to the water must match the heat lost by the metal because no heat is lost to the environment. The same calculation can be used to determine how much heat the metal loses: q = mm, cm, and Tm where mm is the metal's mass, cm is its specific heat, and Tm is the temperature change of the metal. We are aware that the metal weighs 26.7 g and that its temperature changed by (31 °C - 192 °C) = -161 °C. Using these values as substitutes, find by cm, we get: cm = q/(mm × ΔTm) = 2309 J / (26.7 g × (-161 °C)) ≈ 0.24 J/(g·°C).

For more such questions on metal

https://brainly.com/question/28183884

#SPJ11

Explanation:

code: 257 403 0731

Pass: HELLO

zooooom

Teniendo en cuenta la ley de Boyle, el volumen del oxigeno a 415 mmHg, si la temperatura permanece constante, es 7,69 L.

Al aumentar el volumen, las partículas (átomos o moléculas) del gas tardan más en llegar a las paredes del recipiente y por lo tanto chocan menos veces por unidad de tiempo contra ellas. Esto significa que la presión será menor porque ésta representa la frecuencia de choques del gas contra las paredes.

De esta manera se relaciona la presión y el volumen, determinando la ley de Boyle que dice:

“El volumen ocupado por una determinada masa gaseosa a temperatura constante, es inversamente proporcional a la presión”

La ley de Boyle se expresa matemáticamente como:

P×V=k

Teniendo un estado inicial 1 y final 2, se cumple:

P₁×V₁= P₂×V₂

En este caso, se sabe que:

Reemplazando en la expresión matemática para la Ley de Boyle:

760 mmHg× 4.2 L= 415 mmHg× V₂

Resolviendo:

(760 mmHg× 4.2 L)÷ 415 mmHg= V₂

7,69 L= V₂

Finalmente, el volumen del oxigeno a 415 mmHg, si la temperatura permanece constante, es 7,69 L.

Aprende más:

The first thing we are going to analyze to solve the problem is our data, knowing what we have and what we need.

From what we can see, the problem asks us for the final volume, that is, P₂ , we are going to use the Boyle-Mariotte formula and start to isolate the variable we need to be able to start solving the problem. issue.

P₁V₁=P₂V₂

Clearing >> V₂

\(\boldsymbol{V_{2}=\dfrac{P_{1}V_{1} }{P_{2}} }\)

Substituting our data.

\(\boldsymbol{V_{2}=\dfrac{P_{1}V_{1} }{P_{2}}=\dfrac{(7600 \not{mmHg})(4.2 \ l)}{415\not{mmHg}}=\dfrac{3192}{415}l=7.69 \ l }\)

So our final volume is 7.69 liters.

With this we can conclude that while the pressure decreased the volume increased.

Answer:

C. 14

Explanation:

The mass number is the number of protons + neutrons and the atomic number is the number of protons.

If the mass number is 27, you subtract the atomic number, 13.

27 - 13 = 14 neutrons

Radio waves have the lowest frequency among all types of electromagnetic radiation.

Electromagnetic radiation consists of waves that vary in their frequency and wavelength. The frequency of a wave refers to the number of cycles or oscillations it completes per unit of time. The wavelength, on the other hand, refers to the distance between two corresponding points on the wave.

The electromagnetic spectrum encompasses a wide range of frequencies and wavelengths. At one end of the spectrum are radio waves, which have the lowest frequency and longest wavelength. These waves are typically used for communication, such as radio and television broadcasting.

As we move along the spectrum, the frequency increases, and the wavelength decreases. After radio waves, the spectrum includes microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays, in order of increasing frequency.

Therefore, based on the properties of the electromagnetic spectrum, it can be concluded that radio waves have the lowest frequency among all types of electromagnetic radiation.

To know more about electromagnetic radiation click here:

https://brainly.com/question/2334706

#SPJ11

When the temperature of a solid reaches its melting point then

the kinetic energy breaks the bonds between atoms.

What is Temperature?

Temperature is defined as the average kinetic energy of molecules in any system or material. It can be measured in degree Celsius, Kelvin(K) and Fahrenheit(F).

What is Solid?

Solid is a substance in which the intermolecular forces between particles are so higher that particles that can't move from their position. Solid have definite shape and definite volume.

What is melting point?

Melting point of a pure substance is the temperature at which there is transition of solid phase into liquid phase.

Supporting answer

When the temperature of a solid substance increases, kinetic energy of a particle also increases and this causes them to break the intermolecular forces between particles result in transition of solid into liquid phase.

Hence, when the temperature of a solid reaches its melting point, kinetic energy breaks the bonds between atoms.

Therefore, option B is correct

To learn more about temperature, solid and melting point here

https://brainly.com/question/5753603

#SPJ2

Answer:the answer is d

Explanation: I jus got it wrong ‍♂️

Answer:

pH = 6.20

Explanation:

The pKa of cacodylic acid is 6.

To solve this question we must use Henderson-Hasselbalch equation:

pH = pKa +log [A⁻] / [HA]

Where pKa is the pKa of the weak acid = 6

And [] could be taken as the moles of A⁻ the conjugate base, and HA, the weak acid.

The moles of the NaOH added to the solution of the weak acid are = Moles A⁻

And moles HA = Initial moles HA - Moles NaOH added

Initial moles HA:

0.0200L * (0.130mol / L) = 0.00260 moles

Moles NaOH:

0.0200L * (0.0800mol / L) = 0.00160 moles = [A⁻]

Moles HA =

0.00260 moles - 0.00160 moles = 0.00100 moles = [HA]

pH = 6 +log [0.00160 moles] / [0.00100 moles]

The pH of the resulting solution is 1.6.

Let cacodylic acid be HA, mixing cacodylic acid and NaOH, the following occurs;

HA(aq) + NaOH(aq) ------> NaA(aq) + H2O(l)

Number of moles of NaOH = 0.0800 molL−1 × 20.0/1000 = 0.0016 moles

Number of moles of HA = 20.0/1000  × 0.130 = 0.0026 moles

We can see that the HA is in excess, Number of moles of excess acid =

0.0026 - 0.0016 = 0.001 moles

Total volume of solution = 20.0 mL + 20.0 mL = 40 mL or 0.004 L

Molarity of excess acid =  0.001 moles/0.004 L = 0.025 M

pH = -log[H^+]

pH = -log[0.025 M]

pH = 1.6

Learn more: https://brainly.com/question/2510654

Answer:

The answer is

Explanation:

The density of a substance can be found by using the formula

\(Density = \frac{mass}{volume} \)

From the question

mass = 67 g

Volume of ring = new volume of water - original volume of water

Volume = 13.47 - 10 = 3.47 mL

Substitute the values into the above formula and solve

That's

\(Density = \frac{67}{3.47} \\ = 19.308357\)

We have the final answer as

Hope this helps you

An atom's configuration based on its number of electrons ends at 3p. Another atom has seven more electrons. Starting at 3p, the remaining configuration is O3p445²3d5. Option C is correct answer.

The electron configuration of an element refers to the number of electrons in each of its atoms that are located in the shells around the atomic nucleus. Electrons in the same shell have similar energies; they are arranged in shells according to increasing energy levels.According to the question, the atom's configuration based on its number of electrons ends at 3p, and another atom has seven more electrons. Hence, the electron configuration of that atom should start with 3p since the question states starting at 3p. The remaining seven electrons should go into the 4s and 3d sub-shells. Therefore, the correct answer is:O3p445²3d5

The correct answer is C.

For more question electrons

https://brainly.com/question/20947152

#SPJ8

Answer:

K2S2O8

Explanation:

The method is attached above.

Answer:

d

Explanation:

Alfred Wegener was the one who proposed the idea although he wasn't believed until after he died

The scientist who presented the theory of Continental Drift is Alfred Wegener. The correct option is D.

The continental drift idea provided an explanation for why the continents had moved from their original places. Once linked as a single entity, called a "Subcontinent."

Since continental rocks are too light to sink to the ocean floor, the common belief that mountains were to blame for their sinking was later disproved.

Alfred Lothar Wegener is a climatologist. He discovered the continental drift theory. The science of plate tectonics has now supplanted the theory of continental drift. The scientist Alfred Wegener is most closely identified with the hypothesis of continental drift. He referred to it as continental drift.

Therefore, the correct option is D. Alfred Wegener.

To learn more about Alfred Wegener, refer to the below link:

https://brainly.com/question/798637

#SPJ5

When alcohol enters the mouth, it does not get absorbed into the bloodstream. Although the alcohol's flavor can be tasted, and a small amount of it can be absorbed through the mouth's tissues, alcohol is mostly absorbed into the bloodstream through the walls of the stomach and the small intestine.

The amount of alcohol absorbed into the bloodstream is determined by the concentration of alcohol in the drink consumed, as well as the amount consumed. Other factors that influence the rate of absorption of alcohol include the person's gender, weight, and how fast their body metabolizes the alcohol.Below is a brief explanation of the process of alcohol absorption into the bloodstream:When alcohol is consumed, it enters the stomach and is quickly absorbed into the bloodstream through the stomach walls. However, the rate at which the stomach empties its contents into the small intestine, where most alcohol is absorbed, affects the rate of absorption. When the stomach contents, which contain alcohol, are emptied into the small intestine, the alcohol is absorbed more quickly into the bloodstream.The alcohol concentration in the bloodstream reaches its peak around 30 to 90 minutes after consumption, depending on various factors. Alcohol, on the other hand, is metabolized and broken down in the liver, which eliminates it from the body.

To know more about bloodstream visit :

brainly.com/question/13537877

#SPJ11

Whitefield's open-air preaching contributed most directly to the trend of religious revivalism and the growth of evangelical Christianity.

Whitefield, an influential preacher during the Great Awakening in the 18th century, was known for his powerful sermons delivered in open-air settings to large crowds. By taking his message outside the confines of traditional church buildings and reaching out to the masses, Whitefield played a significant role in sparking religious fervor and attracting new converts.

His style of preaching emphasized personal conversion, emotional engagement, and a direct relationship with God.

The impact of Whitefield's preaching and the wider Great Awakening movement was profound, inspired missionary efforts, and influenced social and political developments in the American colonies. It contributed to the growth of evangelical Christianity, the establishment of new religious denominations, and the emphasis on individual religious experience.

To learn more about open-air

https://brainly.com/question/33248031

#SPJ11

Answer:

Gold

Hope it helps

have a good day

To handle coin top containers  place hand over label, place stopper on workbench to avoid dropping it, pour using a stirring rod and wipe off any drops.

Handling coin top containers requires care to prevent spills and ensure safe handling. Here are the steps to handle coin top containers properly:

1. Place hand over the label: Before handling the coin top container, ensure that your hand is securely placed over the label or lid. This will help prevent accidental opening or spillage of the container's contents.

2. Place stopper on workbench: If the coin top container has a removable stopper, place it on a stable workbench or surface. By doing so, you can keep the stopper readily accessible and avoid the risk of dropping it or misplacing it.

3. Pour using a stirring rod: If you need to transfer the contents of the coin top container, use a clean stirring rod or suitable utensil for pouring. Slowly and carefully pour the desired amount of liquid from the container, taking care to control the flow and minimize the chances of spills or splashes.

4. Wipe off any drops: After pouring, inspect the outside of the container and the surrounding area for any spills or drops. If you notice any liquid on the container or workbench, use a clean cloth or paper towel to wipe off the drops promptly. This helps maintain cleanliness and prevent accidental contact with the spilled substance.

Remember to follow any specific handling instructions provided by the manufacturer or any safety guidelines relevant to the contents of the coin top container.

Learn more about coin top containers at: https://brainly.com/question/12090900

#SPJ11

Answer:

Please find attached the table of classification of the chemical compounds, created with Microsoft Word

Explanation:

The given compounds are;

H₂SO₃ is an acid which is known as sulfurous acid

When SO₂ is added to water, we have;

SO₂ + H₂O ⇄ HSO₃ + H⁺

Therefore, H₂SO₃ is ionic

2) HI which is known as hydrogen iodide, dissolves in water as follows

HI (g) + H₂O (l)  ⇄ H₃O⁺(aq) + I⁻(aq)

Therefore, HI is able to donate hydrogen ions therefore, it is both acidic and ionic

3) KI is a salt of the alkali metal, potassium, and iodine which is a group 7 element such that it formed by the transfer of electrons from potassium to iodine making it an ionic compound

KI forms a slightly alkaline solution

4) NaClO₃ comprises of the ionic combination of sodium and chlorate ions which dissolves in water as follows;

NaClO₃ → Na⁺(aq) + ClO₃⁻(aq)

Therefore, NaClO₃ is ionic

NaClO₃ is also a strong oxidizing agent, making a Br∅nsted acid

we have;  

Sulfurous acid (also Sulfuric(IV) acid, Sulphuric acid (UK), Sulphuric(IV) acid (UK)) is the chemical compound with the formula H2SO3. There is no evidence that sulfurous acid exists in solution, but the molecule has been detected in the gas phase.[1] The conjugate bases of this elusive acid are, however, common anions, bisulfite (or hydrogen sulfite) and sulfite.

The signs and symptoms of preeclampsia are mainly caused by substances released by the ischemic placenta, which damage the endothelial cells in the mother's body, leading to organ injury.

Preeclampsia is a condition that affects pregnant women and is characterized by high blood pressure and damage to organs, typically the liver and kidneys. The exact cause of preeclampsia is not fully understood, but it is believed to be related to problems with the placenta.

During pregnancy, the placenta supplies oxygen and nutrients to the developing fetus. In the case of preeclampsia, the placenta becomes insufficiently perfused with blood, leading to a state of ischemia (lack of blood flow) and reduced oxygen supply. As a result, the ischemic placenta releases various substances into the mother's bloodstream, such as anti-angiogenic factors, cytokines, and inflammatory mediators.

Learn more about oxygen here:

https://brainly.com/question/11622869

#SPJ11

Answer:

Alkali metals are soft and have low melting points.

Answer:

Explanation:

Work is a net force applied through a distance in order to displace an object, commonly abbreviated as W. A net force is the sum of all forces acting on an object. Work is mass times acceleration and distance so to find out the work you simply calculate the acceleration of the box being brought in. Next find the distance it was carried to get in the house. Then find out the mass of the box and finally multiply those sums together to get the amount of work put in to bring the package inside.

Answer:

THE NEW VOLUME WHEN THE BALLOON TAKES OFF FROM THE MOUNTAINTOP IS 114.1 L

Explanation:

The question follows Boyle's law of gas laws and it involves pressure and volume being inversely proportional to the volume. As pressure increases, the volume decreases and vice versa.

Mathematically represented as:

P1V1 = P2 V2

P1 = 101.3 kPa = 101.3 * 10^3 Pa

V1 = 69.5 L

P2 = 61.7 kPa = 61.7 * 10^3 Pa

V2 = ?

making V2 the subject of the formula. we have;

V2 = P1 V1 / P2

V2 = 101.3 *10^3 * 69.5 / 61.7 *10^3

V2 = 7040.35 / 61.7

V2 = 114.106 L

The volume at a decreased pressure of 61.7 kPa at the mountaintop is 114.1 L

This is in line with Boyle's law which shows that at high pressure, volume decreases and at low pressure, volume increases.

Answer:

The new volume is 114.1 L

Explanation:

Step 1: Data given

Volume of the helium balloon = 69.5 L

The atmosphere pressure is 101.3 kPa

The pressure decreases to 61.7 kPa

Step 2: Calculate the new volume

P1*V1 = P2*V2

⇒with P1 = the atmosphere pressure is 101.3 kPa

⇒with V1 = the initial volume = of the helium balloon = 69.5 L

⇒with P2 = the decreased pressure = 61.7 kPa

⇒with V2 = the new volume = TO BE DETERMINED

101.3 kPa * 69.5 L = 61.7 kPa *  V2

V2 = (101.3 kPA * 69.5 L ) / 61.7 kPa

V2 = 114.1 L

The new volume is 114.1 L

The following statement is consistent with Rutherford's nuclear theory as it was originally stated:

Rutherford's nuclear theory, also known as the Rutherford model, proposed that atoms have a small, dense, positively charged nucleus at the center and that the volume of an atom is mostly empty space. This theory was formulated based on Rutherford's famous gold foil experiment, where he observed that most of the alpha particles passed through the gold foil with a small fraction being deflected, indicating the presence of a concentrated positive charge in a small region of the atom.

The statement "The nucleus of an atom is small compared to the size of the atom" aligns with Rutherford's theory as it emphasizes the small size and high density of the nucleus relative to the overall size of the atom.

The other statements in the list are not consistent with Rutherford's original theory. The volume of an atom is not mostly empty space according to his model, neutral lithium atoms do not contain more protons than electrons, and they do not contain more neutrons than protons.

To learn more about Rutherford's nuclear theory, here

https://brainly.com/question/2746262

#SPJ4

Answer:

The frozen water sublimed, moving directly from a solid state to gaseous state. This process although slow, over a time period of 6 months, will eventually result in all the frozen water vaporizing.

Explanation:

The process whereby a solid changes from solid to gaseous state without passing through the liquid phase is known as sublimation. Any solid that turns into a vapor without going through the liquid phase can be said to sublime or "sublimate."

Frozen water or Ice sublimes by turning directly into water vapor without first transitioning into a liquid. Though the process occurs slowly at the temperatures and pressures within household freezers and is not readily observable, over a long period as in the example given, it can then be observed.

Some other examples of ice to water vapor transition include;

1. A wet sweater hung on a line in freezing temperatures. Although it may take a few days, the wet clothing article will eventually dry out.

2. Snow changing to water vapor. On very cold days, when it's too cold for snow to melt, it will after a long while sublime into the air as water vapor.

3. Glaciers undergo ablation which is a form of sublimation. Ablation is the process whereby the snow and ice of the glacier slowly begins to evaporate or turn into vapor.

Answer:

the water has evaporated

Explanation: