how did the results for the ketone compare to the results for the alcohols and the alkanes? explain using the results of this experiment. acetone, ch3coch3 .

Answer:

ya tu sabes cómo se los aseguro

Particle X represents Protons

Particle Y represents Electrons

Particle Z represents Neutrons

An atom consist of three subatomic particles which are

In the nucleus of an atom, we have the proton and neutron. Protons are positively charged while neutrons have no charge.

Electrons are located outside the nucleus and are negatively-charged.

In the given diagram,

X has a positive charge which indicate that X represents protons.

Z is in the nucleus of the atom, and has no charge. This indicates that Z represent neutrons.

Y is located outside of the nucleus, thus, Y represents electrons.

Hence,

Particle X represents Protons

Particle Y represents Electrons

Particle Z represents Neutrons

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Answer:

neutrons ................

They have same mass

Explanation:

If you think wisely 100 pounds and 100 pounds have the same weight so the answer is equal

Answer:

surface water

Explanation:

I hope its correct

The principle of option D. Uniformitarianism states that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the

Option D. Uniformitarianism is the principle stating that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the geologic past. It is based on the idea that the present is the key to the past. In other words, the same natural laws that operate in the universe today have been operating since the beginning of time.

James Hutton was the first to propose this principle in the late 18th century. He suggested that the Earth was shaped by slow-acting geological forces such as erosion, sedimentation, and uplift over long periods of time. He believed that the same processes were still happening today and that they had operated in the past.

This principle is an important concept in geology because it allows scientists to interpret the Earth's history based on the processes that they observe today. By understanding how these processes work and how they have changed over time, scientists can reconstruct the history of the Earth and its environments.

Uniformitarianism has been tested and proven through many observations and experiments. For example, the study of sedimentary rocks has shown that they were formed in the past through the same processes that are observed today, such as deposition of sediment by water, wind, or ice.

Similarly, the study of volcanoes has shown that they are formed by the same processes as today, such as the movement of magma from deep within the Earth.

In conclusion, Uniformitarianism is the principle that allows us to interpret the Earth's history by observing the processes that shape it today. It is a fundamental concept in geology and has been tested and proven through many observations and experiments.

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Based on the structure of meta-hydroxyacetophenone and para-hydroxyacetophenone, we can make an assessment of their relative acidity. In both compounds, the hydroxyl group (OH) is attached to the phenyl ring. The position of the hydroxyl group relative to the acetophenone moiety is what distinguishes the two isomers.

In meta-hydroxyacetophenone, the hydroxyl group is attached to the meta position, which means it is three carbons away from the carbonyl group (C=O). In para-hydroxyacetophenone, the hydroxyl group is attached to the para position, meaning it is directly opposite the carbonyl group.The acidity of a phenolic compound is influenced by the stability of the phenoxide ion formed when the hydroxyl group loses a proton (H+). The stability of the phenoxide ion is affected by the electron density and resonance stabilization in the phenyl ring.In the case of para-hydroxyacetophenone, the para position allows for greater electron delocalization and resonance stabilization within the phenyl ring. This increased stability of the phenoxide ion makes para-hydroxyacetophenone more acidic than meta-hydroxyacetophenone.
Therefore, we would expect para-hydroxyacetophenone to be more acidic than meta-hydroxyacetophenone due to the enhanced resonance stabilization of the phenoxide ion in the para position.

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Answer:

2 NaOH + H2SO4 → Na2SO4 + 2 H2O.

Explanation:

Naming 2-methyl-2-butene involves identifying the parent chain, identifying the functional groups, and indicating the position of the functional groups by using numbers. Organic compounds are often named based on their molecular structure and functional groups.

The first step in naming 2-methyl-2-butene is to identify the parent chain is a four-carbon chain, and the molecule is therefore named as a butene.

Next, we identify the position of the functional group is a methyl group, which is a carbon atom bonded to three hydrogen atoms.

Finally, we indicate the position of the functional group by using numbers to indicate the carbon atoms to which is attached. In this case the methyl group is attached to the second carbon atom in the parent chain, so the molecule is named 2-methyl-2-butene.

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Answer:

The change from a liquid phase to a gaseous phase.

so the answer would be it changed to a gaseous phase

---------------

This is what occurs when the vapor pressure of the liquid is equal to the atmospheric pressure exerted on the liquid.

If 4.000 g of sample 1 were added to the water instead of 2.000 g, the freezing point depression of the water would increase.

Freezing point depression is a phenomenon that occurs when a solute is dissolved in a solvent, such as water. The presence of solute molecules in the solvent interferes with the formation of ice crystals, causing the solution's freezing point to decrease. The magnitude of the freezing point depression is directly proportional to the concentration of solute in the solution. This means that if the amount of solute increases, the freezing point depression will also increase. If adding 4.000 g of sample 1 instead of 2.000 g, the concentration of the solute in the water will be higher, leading to a greater depression of the freezing point. This means that the water will freeze at a lower temperature than it would if only 2.000 g of sample 1 were present.

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If 4.000 g of sample 1 were added to the water instead of 2.000 g, the freezing point depression of the water would increase.

Freezing point depression is a phenomenon that occurs when a solute is dissolved in a solvent, such as water. The presence of solute molecules in the solvent interferes with the formation of ice crystals, causing the solution's freezing point to decrease. The magnitude of the freezing point depression is directly proportional to the concentration of solute in the solution. This means that if the amount of solute increases, the freezing point depression will also increase. If adding 4.000 g of sample 1 instead of 2.000 g, the concentration of the solute in the water will be higher, leading to a greater depression of the freezing point. This means that the water will freeze at a lower temperature than it would if only 2.000 g of sample 1 were present.

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The substances released from mast cells are responsible for **inflammation** and **allergic reactions**.

Mast cells are a type of immune cell found in various tissues throughout the body. They play a crucial role in the immune response by releasing substances such as histamine and cytokines. These substances trigger **physiological responses** like inflammation, which helps to protect the body from infection and injury. Additionally, mast cells contribute to allergic reactions by responding to allergens and initiating a cascade of events that lead to symptoms such as itching, redness, and swelling. Therefore, mast cells are critical for maintaining a healthy immune system and protecting the body from harmful substances.

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Answer:

N, P, As, Sb

Explanation:

Elements present in the same group having same number of valence electrons. The first option is correct from given options because nitrogen, phosphorus, arsenic and antimony are present in same group thus having same number of electrons in outer most  energy level.

Electronic configuration of N:

N₇: [He] 2s² 2p³

Electronic configuration of P:

P₁₅: [Ne] 3s² 3p³

Electronic configuration As:

As₃₃: [Ar] 3d¹⁰ 4s² 4p³

Electronic configuration Sb:

Sb₅₁: [Kr] 4d¹⁰ 5s² 5p³

Here it is clear from electronic configuration all these elements have five number of valence electrons.

The most toxic organic compounds, widely used in plastics, pesticides, and solvents, are B) chlorinated hydrocarbons.

Chlorinated hydrocarbons are a group of organic compounds containing carbon, hydrogen, and chlorine atoms. They are widely used in various industries due to their properties, such as stability, low flammability, and ability to dissolve in fats and oils. Common examples include DDT (a pesticide), PCBs (used in electrical equipment), and PVC (a type of plastic).

However, these compounds can be highly toxic, posing risks to human health and the environment. They can accumulate in the food chain and have been linked to various health issues, including cancer, hormone disruption, and damage to the nervous system. As a result, many chlorinated hydrocarbons are now regulated or banned in several countries.

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The noble gas, Helium has only two electrons with the electronic configuration as 1s2. Hence, it does not have a complete octet. and thus, it doesn't follow the octet rule.

An octet is a set of eight. Atoms of each of the noble gases (except helium) have eight electrons in their highest occupied energy levels and the general electron configuration of ns2np6.

The ICE table depicts the change in the equilibrium position, which implies that whenever the change displays an increase in reactant concentration, there will be a corresponding drop in product concentration.

Initial, Change, Equilibrium is referred to as ICE. The fluctuating concentrations of components and reactants in (dynamic) equilibrium processes can be calculated using an ICE table. Before any modifications take place, this approach first reports the reactant and product concentrations for each sample.

The ICE table depicts the change in the equilibrium position, which implies that whenever the change displays an increase in reactant concentration, there will be a corresponding drop in product concentration.

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Answer:

\(pH = - log[H {}^{ + } ] \\ pH = - log(4.0 \times {10}^{ - 8} ) \\ { \boxed{ \boxed{pH = 7.4}}}\)

The calcium ion has 18 protons, 20 neutrons, and 20 electrons.
The relationship between the components a and b is Inverse proportion.


The calcium ion (Ca2+) has a 2+ charge, indicating that it has lost 2 electrons from its neutral state. To determine the number of protons, neutrons, and electrons in the calcium ion, we need to consider its atomic number and mass.

The atomic number of calcium is 20, which indicates that it has 20 protons. Since the calcium ion has a 2+ charge, it means it has lost 2 electrons. Therefore, the number of electrons in the calcium ion is 20 - 2 = 18.

The mass number of calcium is 40 amu, which represents the total number of protons and neutrons. Since the calcium ion has 20 protons, the number of neutrons can be calculated as 40 - 20 = 20.

So, the correct option is: d. 18 protons, 20 neutrons, and 20 electrons

In the expression a∼1/b, the relationship between the components a and b is an inverse proportion. This means that as the value of a increases, the value of b decreases, and vice versa. The symbol ∼ represents the proportional relationship between a and 1/b, indicating that they are inversely related. Therefore, the correct answer is: Inverse proportion

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The formation of tropospheric ozone in photochemical smog is the result of a series of complex chemical reactions. These reactions involve the interaction of sunlight, nitrogen oxides (NOx), volatile organic compounds (VOCs), and oxygen.

The first step in this process is the photodissociation of nitrogen dioxide (NO2) into nitric oxide (NO) and an oxygen atom (O). This reaction is initiated by the absorption of ultraviolet (UV) radiation from the sun. The nitric oxide then reacts with ozone (O3) to form nitrogen dioxide and oxygen. This reaction occurs in the presence of sunlight, and it is known as the nitrogen oxide cycle.

The second step involves the interaction of volatile organic compounds (VOCs) with the nitric oxide produced in the first step. VOCs are emitted from a variety of sources, including cars, factories, and power plants. In the presence of sunlight, VOCs can react with nitric oxide to produce peroxyacetyl nitrate (PAN) and other reactive intermediates.

The final step in the process is the reaction of these reactive intermediates with ozone to produce tropospheric ozone. This reaction occurs in the presence of sunlight and is known as the ozone cycle.

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Answer:

2,3,6,1

2,3,6,1

Explanation:

The unbalanced reaction expression is given as:

  AlBr₃    +    K₂SO₄  →    KBr  + Al₂(SO₄)₃

We need to balanced this reaction equation. Our approach is a mathematical method where we assign variable a,b,c and d as the coefficients.

 aAlBr₃    +    bK₂SO₄  →    cKBr  + dAl₂(SO₄)₃

Conserving Al;  a  = 2d

                   Br:  3a  = c

                   K:   2b = c

                   S:   b  = 3d

                   O:  4b  = 12d

Let a  = 1, c = 3, d  = \(\frac{1}{2}\)  b  = \(\frac{3}{2}\)  

 Multiply through by 2 to give;

     a  = 2, b = 3, c = 6 and d  = 1

 2AlBr₃    +    3K₂SO₄  →    6KBr  + Al₂(SO₄)₃

There are 3 moles of oxygen are produced when 2 mol of potassium chlorate (KClO3) decompose.

This indicates that 3 moles of oxygen gas are produced for every 2 moles of potassium chlorate that are decomposed. The reaction produces 3 moles of oxygen gas for every 2 moles of potassium chlorate that decomposes. Decomposing 2 moles of potassium chloride KClO3 produces 2 moles of potassium chloride KCl and 3 moles of oxygen O2.

Calculate the number of moles of hydrogen chloride produced from 11 moles of hydrogen. The yield of the reaction is 85%, which means that only 80% of the moles of product released are obtained. To get 3.50 moles of O2, or 85% of No. A mole to protect. Therefore 2.75 mol of KCLO3 is required. The only remaining units are moles of oxygen.

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C) Lacquer is the material made from the sap of a tree.

Lacquer is a material derived from the sap of the lacquer tree, scientifically known as Rhus vernicifera. The sap, commonly referred to as lacquer or resin, is harvested by making incisions in the bark of the tree. It is then collected and processed to create lacquer, which has been used for centuries in various cultures for decorative and protective purposes.

The sap of the lacquer tree undergoes a specific curing process that involves exposure to moisture and air. This process results in the formation of a durable and glossy finish. The lacquer can be applied to different surfaces, including wood, metal, or even paper, creating a smooth and shiny coating that enhances the appearance and provides protection against moisture and wear.

It is important to note that glaze, jade, and porcelain are not materials derived from the sap of a tree. Glaze refers to a glass-like coating applied to ceramics, while jade is a mineral used for carving and jewelry. Porcelain, on the other hand, is a type of ceramic material composed of clay, feldspar, and other minerals.

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The ratio of [C₂H₃O₂⁻]/[HC₂H₃O₂] in the buffer must be 2.00. Option B is correct.

The Henderson-Hasselbalch equation relates the pH of a buffer solution to the pKa and the ratio of the concentrations of the conjugate base (C₂H₃O₂⁻) and the weak acid (HC₂H₃O₂);

pH = pKa + log([C₂H₃O₂⁻]/[HC₂H₃O₂])

We are given the pH (5.04) and the pKa (4.74), and we are asked to find the ratio of [C₂H₃O₂⁻]/[HC₂H₃O₂].

Substituting the given values into the Henderson-Hasselbalch equation, we get;

5.04 = 4.74 + log([C₂H₃O₂⁻]/[HC₂H₃O₂])

0.3 = log([C₂H₃O₂⁻]/[HC₂H₃O₂])

Taking the antilogarithm of both sides, we get;

\(10^{0.3}\) = [C₂H₃O₂⁻]/[HC₂H₃O₂]

2.00 = [C₂H₃O₂⁻]/[HC₂H₃O₂]

Therefore, the ratio of [C₂H₃O₂⁻]/[HC₂H₃O₂] in the buffer must be 2.00.

Hence, B. is the correct option.

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--The given question is incomplete, the complete question is

"You wish to prepare an hc2h3o2 buffer with a ph of 5.04. if the pka of is 4.74, what ratio of c2h3o2-/hc2h3o2 must you use? you wish to prepare an hc2h3o2 buffer with a ph of 5.04. if the pka of is 4.74, what ratio of c2h3o2-/hc2h3o2 must you use? A) 0.30 B) 2.00 C) 0.50 D) 3.0 E) 0.40."--

The difference in degrees Fahrenheit between the maximum expected temperatures by the end of the century between the lower and higher emissions scenarios can vary depending on various factors and assumptions.

However, in general, the lower emissions scenario is expected to result in a lower increase in global temperatures compared to the higher emissions scenario.

This means that the maximum expected temperature rise by the end of the century under the lower emissions scenario would be lower than that of the higher emissions scenario.

The specific temperature difference would depend on the specific projections and models used, but it highlights the significant impact that emissions reductions can have on mitigating future temperature increases.

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Answer:

2AL(ClO3)3 → 2ALCl3 + 9O2

Explanation:

Answer:

Lichens love clean air

Explanation:

Lichens love clean air too - in fact, their sensitivity to air pollution means they make great air quality indicators. Like small signposts, these curious organisms can tell us a lot about the air we are breathing.

The skin of grapes contains an antioxidant called resveratrol. Determine the resveratrol functional groupings. Alcohol makes comprises the compound's functional group.

An organic molecule known as an alcohol has at least one hydroxyl functional group attached to a saturated carbon atom. The major alcohol ethanol, which is used as a narcotic and is the main alcohol contained in alcoholic beverages, was the substance to which the term "alcohol" originally referred.

Resveratrol is a naturally occurring polyphenol that can be found in a variety of foods, including grapes, berries, peanuts, and several medicinal plants. It has a stilbene functional group in its molecular structure.

Thus, The skin of grapes contains an antioxidant called resveratrol. Determine the resveratrol functional groupings. Alcohol makes comprises the compound's functional group.

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Answer: b and d

Explanation:

1×10^-3=1×1/10³=1×1/1000=1/1000 so b is correct

1×10^-3=1/1000=0.001

so d is correct

Answer:

Saturated solution = 180 gram

Explanation:

Given:

Solubility of Z = 60 g / 100 g water

Given temperature =  20°C

Amount of water = 300 grams

Find:

Saturated solution

Computation:

Saturated solution = [Solubility of Z] × Amount of water

Saturated solution = [60 g / 100 g] × 300 grams

Saturated solution = [0.6] × 300 grams

Saturated solution = 180 gram