Why does the water creep up the paper? Explain this. Draw the molecular interactions associated with the macroscopic observation.
( I only need the drawing to be honest and I would really appreciate it if you could explain it)

The product of the reaction between 2-butene and hydroiodic acid (HI) is 2-iodobutane.

The reaction mechanism involves a nucleophilic substitution, where the iodine atom in HI acts as the nucleophile and attacks the carbon atom in the double bond of 2-butene. This results in the formation of a carbocation intermediate, which then undergoes a rearrangement to form 2-iodobutane. The overall reaction can be represented as follows: 2-butene + HI → 2-iodobutane + H2.Nucleophilic substitution is a type of chemical reaction in which a nucleophile (a molecule or ion with a lone pair of electrons) attacks an electron deficient species, known as an electrophile, to form a new chemical bond. In the process, the electrophile's original electron pair is replaced by the nucleophile. Nucleophilic substitution reactions can occur in a variety of ways, such as S N 1, S N 2, and S Ni (where i = 1, 2, or any other number).

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Answer:

Na, Cu, and Br will form positive ions

Explanation:

Na, Cu, and Br have more protons than electrons, so they will form positive ions.

Na, Cu, and Br are all elements that have an atomic number greater than their number of electrons. This means that they have more protons than electrons, so they will form positive ions when they react with other elements. Na will form Na+, Cu will form Cu+ and Br will form Br+.

Answer:

16 P

40 O

Explanation:

You have 4 moles of P4O10

Therefore you multiply the subscript of each atom of the compound by 4.

There are 4 phosphorus atoms in 1 mole of P4O10 so in 4 moles you would have 4*4 atoms so 16

There are 10 oxygen atoms in 1 mole of P4O10 so in 4 moles you would have  4*10 so 40

Answer:

The 2nd option

Irony of situation is a discrepancy between the expected result and actual results. Irony involves the perception that things are not what they are said to be or what they seem.

One thing is expressed while another is meant in an ironic statement. For example, on a chilly, wet gray day, you would exclaim, "What a gorgeous day!" Alternatively, if you were suffering from a severe case of food sickness, you may respond, "Wow, I feel terrific today." "ffers points of view and ideas that are, at most, intriguing... However, it does not reach the truth." Ronagh and Souder are particularly concerned with scientific assertions that are not meant to be taken seriously.

Here,

The irony of the issue is the difference between the expected and actual results. Irony is the impression that things are not what they appear to be or what they are purported to be.

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Answer:

a) Double replacement

b) Synthesis

Explanation:

a) For A, we have two ionic reactants that form two ionic products, where the anion (or cation) is swapped. This is a characteristic of a double replacement reaction.

b) For B, two elements, this time two elements, react together to form one product that's unlike the reactants. This is a characteristic of a synthesis reaction.

The correct answer is 7.0 moles of AgNO3 will form 7.0 moles of Zn(NO3)2,

Mole ratio is the ratio between the number of moles of two substances that are involved in a chemical reaction. It is an important concept in stoichiometry, which is the study of the relationship between the amounts of reactants and products in a chemical reaction. Mole ratio is often expressed as a fraction, in which the numerator is the number of moles of one substance, and the denominator is the number of moles of the other substance.

Since the reaction is a 1:1 mole ratio of reactant to product:

AgNO3 → Zn(NO3)2

7.0 mol AgNO3 → 7.0 mol Zn(NO3)2

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Whenever the meter stick stood by itself, two forces were acting on it: some upward pressure of the fulcrum as well as the descending gravity force.

To demonstrate that the resultant force was zero when the metre stick has been in equilibrium, you must balance forces acting on it in the first section. To figure out the mass of the meter stick, you should balance the metre stick's weight against with a known weight inside the second section.

In the event that the ruler was balanced, the support which it is resting applies a force equal in strength to that of the weight's opposite force. Therefore, the ruler is being acted upon by its weight as well as the friction coefficient somewhere at support.

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164 g is the molar mass of the gas that had passed through.

Effusion is defined as the pace at which a volume changes over time. We apply Graham's Law to determine the rate of gas diffusion. According to this law, the rate of a gas's effusion or diffusion is inversely related to the gas's molar mass squared.

[tex]\frac{Rate Gas 1}{Rate Gas 2}[/tex]=[tex]\frac{ \sqrt{MW gas 2} }{ \sqrt{MW gas 1} }[/tex]

Let gas 1 be Oxygen so  Molar mass = 32 g / mol

Let x be gas 2.  Molar mass = unknown

rate gas 1 = 7.41 ml/unit time

rate gas 2 = 3.47 ml / unit time

So, 7.41 / 3.47 = [tex]\frac{\sqrt{x} }{\sqrt{36} }[/tex]

2.135 = s[tex]\frac{\sqrt{x} }{\sqrt{36} }[/tex]

 [tex]\sqrt{x}[/tex] = 12.81

so, x = 164 = molar mass of unknown gas

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The limiting reactant, O₂, forms 2.7 mole Al₂O₃. Therefore, the mass of Al₂O₃ is 280 g.

The term mole (M) is defined as the amount of substance in a system which include as many elementary entities as there are atoms present in it. It is denoted by the symbol “mol”. The word mole is coming from the Latin word moles, which means “a mass”.

Molar Mass of Al₂O₃ = 101.96 g/mol

2.7 mole Al₂O₃          101.96 g

------------------------  x  -------------------    

             X                       1 mole

= 280 g Al₂O₃

Thus, The limiting reactant, O₂, forms 2.7 mole Al₂O₃. Therefore, the mass of Al₂O₃ is 280 g.

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7.92g of FeSO4 • 6H2O is equal to 1.55 x 10^23 molecules.

Molecules are the smallest units of matter that can exist by themselves. They are composed of two or more atoms that are held together by chemical bonds. Molecules can be found in the air we breathe, the water we drink, and the food we eat. They can also be found in living organisms, like plants and animals. Molecules can be made of a variety of different atoms, such as oxygen, carbon, nitrogen, and hydrogen. They also come in different shapes and sizes, depending on the types of atoms they are composed of.

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48×10²³ neutrons are there in 14 gram of C14

Any material that is totally composed of the same kinds of atoms is said to be an element. For instance, the element carbon is made up entirely of carbon atoms. The number of protons in an atom is indicated by the element's atomic number. The quantity of protons and electrons inside a neutral atom must match.

Neutron in 14 grams of C14 can be calculate as follows:

Mass number (or atomic weight) of ₆C¹⁴ is 14.

we know that Avogadro number =6×10²³

The number of neutrons in 12g of ₆C¹⁴ can be calculate by multiplying the number of neutron to the avogadro number

The total amount of protons and neutrons makes up mass. There will thus be = 14 - 6 = 8 neutrons.

neutron = (A−Z)×6×1023=(14−6)×6×10²³=48×10²³

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Answer:

Explanation:

Answer:

Sulfure 3

Oxygen 5

Explanation:

The S stands for Sulfure. And the stands for Oxygen. If you meant the name then its Trisulfur Pentoxide

hopefully that's what you meant.

The correct answer is option A. The mass of the sample decreased, so physical changes occurred as the metal first melted and then boiled out of the crucible. The decrease in mass is a result of the metal melting and then vaporizing as it is heated.

Physical changes refer to changes in the physical properties of a substance without altering its chemical composition. Examples of physical changes include melting, freezing, condensation, vaporization, sublimation, and physical state changes. Physical changes occur when a substance changes from one state of matter to another without a chemical reaction taking place.

This is an example of a physical change, as the material is changed from a solid to a liquid and then to a gas, but its chemical composition remains the same.

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The moment of inertia of this molecule about the y-axis is 14ma^2.

The moment of inertia, also called angular mass or rotational inertia, of a rigid body refers to a quantity that determines the required torque for a desired angular acceleration about a rotational axis. Moment of inertia is the sum of the product of the mass of every particle with its square of a distance from the axis of rotation.  Hence, moment of inertia of a system about an axis can be found by simply adding each of their moments, i.e., I = I1 + I2 + I3…+ In. Moment of inertia is given as: I = mr^2

Hence, based on given information:

I = m1(r1)^2 + m2(r2)^2 + m3(r3)^2

I = m(0)^2 + 2m(a)^2 + 3m(2a)^2

I = 2ma^2 + 12ma^2

I = 14ma^2

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Radioactive dating measures the rate of decay of radioactive materials in rocks.

Radiometric dating, radioactive dating, or radioisotope dating is a technique used to date things such as rocks or carbon that included trace radioactive contaminants when they were produced. Radioactive dating is a technique for dating rocks and minerals that makes use of radioactive isotopes. This approach is appropriate for igneous and metamorphic rocks that cannot be dated using the sedimentary stratigraphic correlation method. There are around 300 naturally occuring isotopes known. The underlying idea behind radiometric dating is that you can compute the age of a sample by comparing the presence of a radioactive isotope within it to its known abundance on Earth and its known half-life (rate of decay).

Here,

Radioactive dating determines the rate at which radioactive elements in rocks decay.

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Among the following alkenes (D) IV cannot be converted into an alkyne by reacting it with bromine followed by an excess of sodium amide and then with water.

An alkene must first be brominated by an addition reaction that produces a vicinal dibromide in order to transform it into an alkyne. All alkenes that have at least one double bond double substituted render them unsuitable for this method due to the requirement of this vicinal dibromide. This is so that the alkane can undergo a double elimination and produce an alkene, which needs at least one C-H and C-X bond. This hinders the conversion of molecule IV into an alkyne.

The dibromo alkane would change into the provided alkene by losing one unit of HBr if it were to react with bromine. However, the second beta-elimination cannot take place since there isn't hydrogen that is physically linked to the alkene carbon. So (D) IV is the right option.

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Dissolve NaOH into the Solution will - Increased E

Increase the temperature - Increased E

Increase the amount of [tex]PbCl_{2}[/tex] - No change in E

Dilute the solution by adding [tex]H_{2}O[/tex] - Increased E              

E= Voltage or the electromotive force generated in the cell

Dissolving NaOH will increase the conductivity and number of ions in the cell and Increases E .  Adding water also increases the presence of hydrogen and hydroxide ions in the solution and Increases E.

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Answer:

mass of alloy=165.36g

volume of alloy=21.2ml

density of alloy=7.8g/ml

Equilibrium constant K= 44.8 for H₂ + I₂ → 2HI Equimolar reactants, HI = 0.50M, H₂ = 5.6×10⁻³ M. The correct option is e.

given equilibrium constant (K) and the equilibrium concentration of the product HI = 0.50M

balanced equation for the reaction

H₂ + I₂ → 2HI

K =[tex]\frac{HI^{2} }{[H_{2][I_{2}] } }[/tex]

K=44.8 and [HI]=0.50M

[H₂] = [tex]\frac{[HI]^{2} }{K}[/tex]

[H₂] =[tex]\frac{(0.50M)^{2} }{44.8}[/tex]

[H₂] ≈0.0056M

equilibrium concentration of hydrogen is 0.0056M sa per the given reaction.

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The least like an ideal gas at room temperature is Helium.

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Efficiency and safety are important criteria for the design of ammonia production processes, as they consume less energy and reliably produce large amounts of ammonia with minimal risk of accidents.

Design criteria are specific characteristics or requirements that a design must meet in order to be successful. They provide clear and measurable criteria for evaluating designs, ensuring that the final product meets the needs and expectations of customers or users. Design criteria include not only technical specifications such as size, weight and materials, but also performance requirements such as safety, efficiency and durability. It can also include cost-related criteria such as manufacturing cost, ease of maintenance, and environmental aspects. The process of identifying and defining design criteria is an important step in the design process as it helps ensure that the final product meets user needs and is fit for purpose. This is important because as much of the reactants (nitrogen and hydrogen) as possible are converted to ammonia, thereby maximizing the yield of the process. This is important to make the process economical and produce large amounts of ammonia.

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Elements 'X', 'Y' and 'Z' have these atomic radii, in nanometers. X 0.072 nm Y 0.099 nm Z 0.111 nm. When atomic radii are correctly arranged,  the elements appears as z , y and then x across the period.

The atomic radii decreases across the period as we move from the left to right in the periodic table. the atomic radii will decreases as we move from the left to the right in the periodic table because in the period from the left to right the number of the electron will increases.

Thus, the order of the given elements arranged in the period in the periodic table as first z , then y and then x.

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The boiling point of CHCl₃ at a pressure of 101.325 kPa is 61.8°C (143.24°F).

The boiling point is the temperature at which the pressure exerted on a liquid by the environment equals the pressure exerted by the vapor of the liquid. Under these conditions, the application of heat converts the liquid to vapor without raising the temperature.

At any temperature, the liquid partially vaporizes into the space above until the pressure exerted by the vapor reaches a characteristic value called the vapor pressure of the liquid at that temperature. As the temperature rises, the vapor pressure increases. At boiling point, vapor bubbles form in the liquid and rise to the surface.

The boiling point of a liquid changes along the pressure. The normal boiling point is the temperature at which the vapor pressure equals normal atmospheric pressure at sea level (760 mm [29.92 inches] of mercury). At sea level, water boils at 100°C (212°F).

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The complete question is as follows:

What will the boiling point of CHCL3 be when the atmospheric pressure exerted on its surface is 101.325 KPa?

There is no movement of heat. The Zeroth Law of Thermodynamics states that if two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other.

Thermodynamics is the study of energy and its transformations. It examines the relationships between heat, work, and other forms of energy. The fundamental laws of thermodynamics provide a framework for studying the behavior of systems, whether they are physical, chemical, or biological in nature. Thermodynamics helps us understand the behavior of gases, liquids, and solids and how they interact with each other. It also provides us with a way to analyze how energy is transferred and used in various processes.

In other words, no heat transfer takes place between two systems that are in thermal equilibrium.

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The metallic qualities drop and the non-metal characteristics rise as we progress from left to right, which results in a decrease inside the reactivity of such elements.

Metal reactivity is influenced by their propensity to lose electrons. The valence electrons could be simply eliminated as the atomic size grows, resulting in the formation of positive ions. As we proceed down the periodic table, the atomic size of metals gets bigger. The propensity to acquire electrons determines how reactive non-metals are.

Metal fosters strong down groups and declines across intervals from left to right. Indicators of nonmetallic properties rise from left to right and fall down groupings. Nonmetal reactivity goes up groups as well as down groups, increasing from left to right.

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