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One technique is chromatography, which separates different isomers based on their physical and chemical properties. Melting point alone cannot provide information on whether a product consists of a single geometric isomer or a mixture of isomers.

To determine whether a product consists of a single geometric isomer or a mixture of isomers, various analytical techniques can be used. Another technique is spectroscopy, which analyzes the molecular structure of the compound and can help identify the presence of different isomers.

However, if the melting point of the product matches the literature value for a specific isomer, it can suggest that the product is a single isomer. But, it's important to note that the melting point can also be affected by other factors such as impurities or the presence of other isomers. Therefore, it is essential to use multiple analytical techniques to confirm the identity and purity of the product.

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According to Le Ch a.ttelors principle

Here compressing will apply. pressure on reactants side.

So the equilibrium shifts rightkk

As per Le ch.attelors principal

Any external factor like temperature and pressure or concentration applied to mixture can shift the equilibrium.

Here compression denotes to pressure

So

It will increase the production of AO_2

The plastic container is likely to impact the integrity of the evidence i.e. a sample of DNA based on this storage method.

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The standard reaction enthalpy for the given reaction is +235.8 kJ/mol.

The standard reaction enthalpy (ΔH°) for the given reaction is determined as follows:

Equation of reaction: 3 Fe₂O₃ (s) → 2 Fe₃O₄ (s) + ½ O₂ (g)

The standard enthalpy of formation values for Fe₂O₃ (s), Fe₃O₄(s), and O₂(g) is used to calculate the standard reaction enthalpy.

ΔH° = [2 × ΔH°f(Fe₂O₃)] + [½ × ΔH°f(O₂)] - [3 × ΔH°f(Fe₃O₄)]

where;

ΔH°f(Fe₂O₃) = -824.2 kJ/mol

ΔH°f(Fe₃O₄) = -1118.4 kJ/mol

ΔH°f(O₂) = 0 kJ/mol

ΔH° = [2 × (-1118.4 kJ/mol)] + [½ × 0 kJ/mol] - [3 × (-824.2 kJ/mol)]

ΔH° = -2236.8 kJ/mol + 0 kJ/mol + 2472.6 kJ/mol

ΔH° = 235.8 kJ/mol

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Answer:

Something that's interdisciplinary covers more than one field of study. If you take an interdisciplinary science and literature class, you might read a science fiction novel and then explore the scientific ideas behind it. ... Interdisciplinary means between fields, but they don't have to be unrelated disciplines.

Explanation:

hope this helps:)

Answer:

it will float if the object is 1g/cm^3(water 's density ) because it is less dense

Answer:

5.5e-13

Explanation:

Divide the mass value by 1e+15

Answer:

1.79°C

Explanation:

Applying,

PV/T = P'V'/T'................. Equation 1

Where P = Initial presssure, V = Initial volume, T = Initial temperature, P' = Final pressure, V' = Final volume, T' = Final Temperature.

make T' the subject of the equation

T' = P'V'T/PV................ Equation 2

From the question,

Given: P = 760 mmHg (Standard pressure), T = 273 K (Standard temperature), V = 62.65 L, P' = 612 mmHg, V' = 78.31

Substitute these values into equation 2

T' = (612×78.31×273)/(760×62.65)

T' = 274.79 K

T' = (274.79-273) °C

T' = 1.79°C

The main reservoirs of the carbon cycle are the atmosphere, oceans, land (including vegetation and soils), and fossil fuels. In these reservoirs, carbon exists in both inorganic and organic forms.

The inorganic carbon cycle involves the exchange of carbon dioxide (CO2) between the atmosphere and oceans through processes like photosynthesis and respiration.

Organic carbon, on the other hand, is found in living organisms, dead organic matter, and soil organic matter. It is cycled through processes such as decomposition and consumption by organisms. The interactions between the inorganic and organic carbon cycles occur primarily in the biosphere, where photosynthesis converts inorganic carbon into organic carbon compounds. While inorganic carbon is primarily in the form of CO2, organic carbon is present in complex organic molecules. Both forms of carbon play crucial roles in energy transfer, nutrient cycling, and climate regulation.

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Answer:

C3H8 + 5O2 = 3CO2 + 4H2O a) moles C3H8 present = 14.8 g x 1 mol/44 g = 0.336 moles moles O2 present = 3.44 g x 1 mole/32 g = 0.1075 From balanced equation

Explanation:

rightttt

Answer:

The data are inadequate.

Explanation:

In the given question, there are fifteen players on the team.

But Diana and Kinsey survey only the five players on the starting lineup about their favorite mascot.

Based on only a few players out of the total number of players, both Diana and Kinsey can't choose a mascot for the basketball team.

So, the data are inadequate.

Answer: the information is inadequate

Yes. Although possessing an octet of valence electrons results in an incredibly low energy minimum for the majority of atoms, it is merely a requirement and not a prerequisite. Even atoms that strongly prefer octets are capable of forming stable compounds that have more (or less) than the 8 valence shell electrons if there are strong enough balancing energy factors.

Alternative structural interpretations of such shells are possible because to the same bonding mechanisms that allow for the development of greater-than-8 valence shells, largely depending on whether these bonds are viewed as ionic or covalent.

Despite the third electron shell's capacity being 18, the third period only has eight elements because once the other shells fill up, the extra eighteen electrons that arise are put together and settle in the third electron shell, which is then acquired by the fourth period, which has three.

The filling of the 3s and 3p subshells (of the third shell), which require a total of 8 electrons, two in the 3s and six in the 3p subshell, results in the third period, which has eight elements.

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Answer:

+1

Explanation:

Sodium has one electron in its outermost shell. Sodium can not be able to accept seven electrons because the energy required for that process is very high. Sodium would rather loose its only valence electron to form a univalent positive ion Na^+.

This is an easier process. When sodium looses one electron, it now has a charge of +1.

The primary catalyst in Underwood's study of siblicide was betrayal.

Siblicide is the killing of one’s own sibling. It is a rare form of homicide that occurs in some animal species, including some primates, dolphins, and birds. In humans, it is a very rare occurrence, and is often the result of a mental disorder or extreme psychological distress. Siblicide is often seen as a desperate act of competition for resources, typically parental attention or resources within the family. In some cases, siblicide can be driven by jealousy or even a desire for revenge. In other cases, it may be the result of a misunderstanding or miscommunication.

Underwood's study focused on the cases in which a sibling had killed another sibling out of betrayal, either from a feeling of being wronged by the other sibling or from feeling betrayed by the sibling.

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Answer:

The new substance will need more energy to form its chemical bonds than the old substance will release. ... More energy will be released from the old substance than the new substance will need to form its chemical bonds.

Explanation:

This is the answer I got. Hope it's really helpful

Answer:

"Which is evidence that a chemical reaction has likely occurred?"

The correct answer would be,

B. the formation of a precipitate

Explanation:

Got it right on my test, have a great day!

The combination of the compounds can be found in option C

A compound is formed through a chemical reaction or a combination of elements. In a chemical reaction, two or more elements combine or react with each other to form a compound.

The elements involved in the reaction undergo a rearrangement of their atoms and bonding to form new chemical bonds, resulting in the formation of a compound with different properties from the original elements. This is clear from the images that have been shown in the question.

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NO₂  is the example of fewer than eight number of valence electrons due to an odd no. of valence electrons.

N , atomic no. is 7 = 2 , 5

O , atomic no. is 8 = 2, 6

SCl₆ is the example of more than eight valence electrons due to an expanded octet.

S , atomic no. is 16 = 2 , 8 , 6

Cl , atomic no. is 17 = 2 , 8 , 7

BeF₂ is the example of fewer than eight valence electrons due to shortage of valence electrons.

Be, atomic no. is 4 = 2, 2

F , atomic no. is 9 = 2 , 7

These are the examples of odd no. of electrons, expanded octet due to more valence electron and less than eight valence.

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Answer:

n = 6

Explanation:

moles = m/MM

n = 350g/58.44g/mol = 5.989

Honestly just round up at this point, n = 6

Answer:

B

Explanation:

Both reactions are the examples of reversible reaction and the reaction moves both forward and backward direction.

In the first equation, hydrogen monoxide molecule is broken down into  water and oxygen molecule. These two molecules again converted into hydrogen monoxide due to reversible reaction and gets equilibrium.

While on the other hand, in the second equation, oxygen molecule turns into ozone molecule and this ozone molecule again converted into oxygen molecule due to reversible reaction and attains equilibrium.

So we can conclude that both reactions are the examples of reversible reaction and the reaction moves both forward and backward direction.

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6HBr+2Al → 2AlBr3+3H2

now, as the reaction is showing

6 moles of  HBr  reactes with 2 moles of Aluminium gives us 2 moles of Aluminium bromide and 3 moles of hydrogen gas

as the question says  10g of HBr reacted with 5g of Al.

(i) mass of Aluminium bromide produced.

moles = given mass/molecular mass

moles =  5g/54g

moles 0.0925 mole

(ii) number of bromide ions formed

6 moles of bromide ions formed in this reaction

now 1 moles = 6.022×10^23

6 moles = 6 ×6.022×10^23

= 36.132×10^23ions

(iii) percentage yield if 0.55 g of aluminum bromide is actually yielded

percentage yield= moles×100

percentage yield= 0.55×100÷107

percentage yield=0.514%

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Answer:

the answer is letter b eruptions

Answer: clockwise north

Explanation:

A high pressure system has higher pressure at its center than the areas around it. Winds blow away from high pressure. Swirling in the opposite direction from a low pressure system, the winds of a high pressure system rotate clockwise north of the equator and counterclockwise south of the equator. This is called anticyclonic flow. Air from higher in the atmosphere sinks down to fill the space left as air is blown outward. On a weather map, you may notice a blue H, denoting the location of a high pressure system.

The reaction has not yet started, and the time required for 16.8% of the reactant to remain cannot be calculated using the given rate constant.

Given,The rate constant for this first-order reaction is 0.0830 s−1 at 400 ∘C.A⟶products After how many seconds will 16.8% of the reactant remain-The time taken for a first-order reaction to reach a particular percentage of completion can be calculated using the following formula:t = (ln(A/A₀))/kwhere A₀ is the initial concentration of the reactant, A is the concentration of the reactant at a given time, k is the rate constant, and t is the time elapsed since the reaction began.In this question, we are given the rate constant, k = 0.0830 s−1 at 400 ∘C, and we want to find out the time required for 16.8% of the reactant to remain.Let's assume that the initial concentration of the reactant is 100 units (we can assume any value as it does not affect the percentage of completion).Therefore, the concentration of the reactant remaining after 16.8% of completion would be: A = 16.8 units.Substituting these values in the above formula, we get:t = (ln(16.8/100))/0.0830t = (−1.7918)/0.0830t = −21.58 sThis time value is negative, which means that the reaction has not even started yet. Therefore, we need to check the given percentage of completion.

If it is less than 50%, we can assume that the reaction has not yet started. In this case, the percentage of completion is 16.8%, which is less than 50%.

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Hello!

Answer:

The answer is d. H₂S.

Explanation:

The bond angle decreases as the electronegativity of the central atom decreases.

The electronegativity of the elements in the answer choices is in the order N > P > S > Se.

Therefore, H2S has the smallest bond angle.

Conclusion:

The smallest bond angle is H₂S.

Answer:

The correct answer is - D C2H4.

Explanation:

Saturated hydrocarbons are hydrocarbons with single covalent C-C bonds. They are known as alkanes. The general formula for these hydrocarbons is  CnH2n+2

Unsaturated hydrocarbons the hydrocarbons with double or triple covalent C-C bonds. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is  CnH2n and CnHn-2

For the given options:

Option D: C2H4, is the simplest alkene with a double bond so it is an unsaturated hydrocarbon.

Answer:

The volume of the tank can be calculated using the ideal gas law, which states that PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is temperature.

In this case, we have P = 179 atm, n = 7.75 moles, R = 0.08206 Latm/(Kmol), and T = 295 K. Plugging these values into the ideal gas law equation and solving for V gives us:

V = (nRT)/P V = (7.75 moles * 0.08206 Latm/(Kmol) * 295 K) / (179 atm) V ≈ 1.01 L

So the volume of this tank at these conditions is approximately 1.01 liters.

Explanation:

Answer:

Volume = 1.05 L (3 s.f.)

Explanation:

To find the volume of the tank, we can use the ideal gas law.

\(\boxed{\sf PV=nRT}\)

where:

The given values are:

Substitute the given values into the formula and solve for V:

\(\implies \sf 179 \cdot V=7.75 \cdot 0.082057366080960\cdot 295\)

\(\implies \sf V=\dfrac{7.75 \cdot 0.082057366080960\cdot 295}{179}\)

\(\implies \sf V=\dfrac{187.6036532 \dots }{179}\)

\(\implies \sf V=1.04806510 \dots\;L\)

\(\implies \sf V=1.05\;L\;(3\;s.f.)\)

Therefore, the volume of the tank in these conditions is 1.05 liters (3 s.f.).

Answer:

The difference between an atom and an ion has to do with net electrical charge. An ion is a particle or collection of particles with a net positive or negative charge. ... A stable atom contains the same number of electrons as protons and no net charge. When electrons are added or removed, the stable atom becomes an ion.Apr 12, 2015

Explanation:

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