What did the geologist likely observe in the environment to draw this conclusion?

The initial pressure of the reactant gas mixture is 20000.0

What is a gas reactant?

Ammonia, nitrous oxide, hydrogen chloride, and tungsten hexafluoride are examples of reactant gases. In chemical vapour deposition, ammonia is frequently used with silane or dichlorosilane to create silicon nitride layers.

\(N_{2} +3H_{2}\)  → \(2NH_{3}\)

At constant volume and temperature, pressure of a mixture of gas is proportional to its moles.

pf ∝ nNH3

pf ∝ nN2 + nH2

Using balanced equation,

nNH3=2

nN2=1

nH2=3

⇒ 10000/Pi= 2/4

⇒ Pi = 20000.0

The initial pressure of the reactant gas is 20000.0

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The energy for 1 mole of photons with a wavelength of 685.4 nm is approximately 2.90 x 10^-22 kJ/mol.

To calculate the energy for 1 mole of photons with a wavelength of 685.4 nm, we can use the equation:

Energy = (hc) / λ

Where:
h = Planck's constant (6.626 x 10^-34 J.s)
c = speed of light (3.00 x 10^8 m/s)
λ = wavelength (in meters)

First, we need to convert the wavelength from nanometers to meters. We know that 1 nm = 1 x 10^-9 m, so the wavelength in meters is:

685.4 nm = 685.4 x 10^-9 m

Now, we can calculate the energy using the equation:

Energy = (6.626 x 10^-34 J.s * 3.00 x 10^8 m/s) / (685.4 x 10^-9 m)

Simplifying the equation:

Energy = 2.90 x 10^-19 J

To convert the energy from joules to kilojoules, we divide by 1000:

Energy = 2.90 x 10^-19 J / 1000 = 2.90 x 10^-22 kJ

Therefore, the energy for 1 mole of photons with a wavelength of 685.4 nm is approximately 2.90 x 10^-22 kJ/mol.

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Answer:

B. an alkene

Explanation:

pentene has 5 carbons and 10 hydrogen atoms and one double bond

To determine the conditions that guarantee a local minimum of the average cost function (AC(q)) at q = 27, we need to consider the relationship between AC(q) and MC(a) at that point.

To determine the conditions that guarantee a local minimum of the average cost function (AC(q)) at q = 27, we need to consider the relationship between AC(q) and MC(a) at that point.

Here are the possible conditions:

1. AC(q) = MC(a) at q = 27: If the average cost (AC) is equal to the marginal cost (MC) at q = 27, it suggests that the average cost is not changing at that point. This condition could indicate a local minimum for AC(q) at q = 27.

2. AC(q) < MC(a) for q < 27 and AC(q) > MC(a) for q > 27: If the average cost is lower than the marginal cost for q values less than 27 and higher than the marginal cost for q values greater than 27, it suggests that AC(q) is decreasing before q = 27 and increasing after q = 27. This condition could indicate a local minimum for AC(q) at q = 27.

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The equilibrium constant expression for the reaction involving the stable form of iodine at low temperatures is written as follows: K = [I₂] where [I₂] represents the concentration of iodine in its stable form.

The given chemical equation represents the dissociation of iodine molecules (I₂) into iodine atoms (2I) at high temperatures. To determine the equilibrium constant expression for this system, we need to consider the stoichiometry of the reaction.

The balanced chemical equation for the dissociation of iodine is:

I₂(g) ⇌ 2I(g)

In this equation, the reactant is iodine molecules (I₂), and the product is iodine atoms (I). The stoichiometric coefficient for iodine molecules is 1, while it is 2 for iodine atoms.

The equilibrium constant expression, denoted as Kc, is defined as the ratio of the concentrations of the products to the concentrations of the reactants, each raised to the power of their respective stoichiometric coefficients.

Thus, the equilibrium constant expression for this dissociation reaction is:

Kc = [I]² / [I₂]

Here, [I] represents the concentration of iodine atoms (2I), and [I₂] represents the concentration of iodine molecules (I₂) at equilibrium.

The equilibrium constant (Kc) provides information about the extent of the reaction and the relative concentrations of reactants and products at equilibrium. A larger value of Kc indicates a higher concentration of products compared to reactants at equilibrium, favoring the forward reaction (dissociation).

Conversely, a smaller value of Kc suggests a higher concentration of reactants compared to products, favoring the reverse reaction (recombination of iodine atoms to form iodine molecules).

It is important to note that the specific value of Kc depends on the temperature and the particular conditions of the reaction.

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Answer:

first question is A

second question is B

third question is left, reactants

Explanation:

Answer:

V₂ = 545.79 mL

Explanation:

Given data:

Initial volume = 1000 mL

Initial pressure = 1 atm

Initial temperature = 273 K

Final temperature = 298 K

Final volume = ?

Final pressure = 2 atm

Formula:  

P₁V₁/T₁ = P₂V₂/T₂  

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

Solution:

V₂ = P₁V₁ T₂/ T₁ P₂  

V₂ = 1 atm × 1000 mL × 298 K / 273 K × 2 atm

V₂ = 298000 atm .mL. K / 546 K.atm

V₂ = 545.79 mL

Answer:

here go your answer

An angled dashed line (---->) is the ideal way to depict the hydrogen bonding between two water molecules.

Hydrogen bonding is the process by which an electronegative atom in a separate molecule is pulled to a hydrogen atom that is linked to a strongly electronegative atom, such as nitrogen, oxygen, or fluorine. It is a unique sort of bonding because hydrogen and the electronegative atom have very different electronegativities. Hydrogen bonds are responsible for a wide range of important traits and occurrences. One of its most notable effects is on a substance's physical properties. Compounds have high melting and boiling points because the hydrogen bonds must be broken in order for a substance to change states. An angled dashed line (---->) is the ideal way to depict the hydrogen bonding between two water molecules.

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Answer:

I'm terribly sorry but the download is not working for me! All it says is Download pdf, and when I click it, It does nothing except for refreshing the page!

Explanation:

The order of decreasing reactivity towards electrophilic aromatic substitution is as follows: ortho > para > meta.

This is known as the "ortho-para-meta" rule. This is due to the electron-withdrawing effect of the substituents. The ortho and para positions are the least stable due to the presence of a strong electron-withdrawing group.

As a result, they are the most reactive towards electrophilic substitution. The meta position is the most stable due to the presence of an electron-donating group and is the least reactive.

So, the correct order of decreasing reactivity towards electrophilic aromatic substitution is as follows: ortho > para > meta.

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Answer:

Explanation:

dilute hydrochloric acid is added to distilled water to increase the ionization of water.

Answer:

0.00944

Explanation:

Xenon mass number on the periodic table: 131.29

Oxygen mass number: 16.00

Add them to find the molar mass of xenon trioxide: 131.29+3(16) = 179.29g/mol

Convert this to moles

\(1.69g * \frac{mol}{179.29g} = 0.00944mol\)

The monomers that makeup proteins are amino acids. The basic structure of amino acids is shown below:

One or more polypeptides, which are separate chains of amino acids arranged in a linear way, come together to form a protein. There are 20 different kinds of amino acids that are typically present in proteins.

A core carbon atom, sometimes referred to as the alpha (α) carbon, is joined to an amino group (\(NH_{2}\)), a carboxyl group (COOH), and a hydrogen atom to form the fundamental structure of all amino acids.

The R group, a second atom or group of atoms attached to the central atom in every amino acid, is what gives the amino acid its identity. For instance, the amino acid is glycine if the R group is a hydrogen atom, and alanine if the R group is a methyl \(CH_{3}\) group.

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The element with one unpaired electron in the p orbital is B (Boron).

a) Ne - Neon has 10 electrons, and its electron configuration is 1s² 2s² 2p⁶. There are no unpaired electrons in the p orbital.
b) S - Sulfur has 16 electrons, and its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁴. There are two unpaired electrons in the 3p orbital.
c) B - Boron has 5 electrons, and its electron configuration is 1s² 2s² 2p¹. There is one unpaired electron in the 2p orbital.
d) Br - Bromine has 35 electrons, and its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵. There are three unpaired electrons in the 4p orbital.
e) Ca - Calcium has 20 electrons, and its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s². There are no unpaired electrons in the p orbital.

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Answer:

wait so what am I supposed to do

Answer:

Explanation:

Knowing locations of laboratory safety showers is important because you could have spilled some dangerous chemical on your skin. Knowing where the eye washing stations is important if you get something dangerous in your eyes. Knowing where the fire extinguisher is also important because if there is a fire and you cannot evacuate, you have a good chance of putting it out with the fire extinguisher. Knowing the emergency exit route is important because if there is a fire or something along those lines, you need to evacuate as soon as possible and not be searching for exits, you should be on the move.

Answer:

Density

Explanation:

Answer

The theoretical Van't Hoff factor i for C12H22O11 is 1

Explanation

The Van't Hoff factor, i, is the number of particles formed in a solution from one formula unit of solute.

The Van't Hoff factor, i, is a property of the solute. In an ideal solution, i does not depend on the concentration of the solution.

For a nonelectrolyte, like (C12H22O11), which does not separate into ions in solution, Van''t Hoff factor, i = 1 because 1 molecule of sucrose (C12H22O11) forms only one particle in solution.f

Answer:

(4) 2-Methyl-2-butene.

Answer:

Burning

Explanation:

The question requires us to explain the differences in radii of neutral atoms, cations and anions.

To answer this question, we need to keep in mind that a neutral atom presents the same number of protons (positive particles) and electrons (negative particles). Another important information is that the protons are located in the nucleus of the atom, while the electrons are around the nucleus. Also, there is an electrostatic force between protons and electrons, which means that they the protons tend to attract the electrons to the nucleus.

While a neutral atom presents the same number of protons and electrons, a cation is an ion with positive charge, which means it has lost one or more electrons. In a cation, the balance between protons and electrons doesn't exist anymore: now, there is more positive than negative charge (more protons than electrons), and the overall attractive force that the protons have for the electrons is increased. As a result, the electrons stay closer to the nucleus and the radius of a cation is smaller than the neutral atom from which it was derived.

On the other side, anions present negative charge, which means they have received electrons. Similarly to cations, the balance between protons and electrons doesn't exist anymore, but in this case, there are more electrons than protons. In an anion, the overall attractive force that the protons have for the electrons is decreased. As a result, the electrons are "more free" to move and, as they are not so attracted to the nucleus, they tend to stay farther from the positive nucleus compared to the neutral atom - because of this, the radius of an anion is larger than the neutral atom from which it was derived.

Answer b

Explanation:

a reaction such as A+B -> products that exhibits second-order kinetics can be studied using a large excess of one reactant. Under these conditions, the concentration of the reactant in excess will not change much during the reaction, which will exhibit pseudo-first-order kinetics.

A fraud or imposter is defined as something or someone that is false but attempts to pass for the real deal. Although it's typically a prefix, pseudo can refer to a faker. A pseudo-intellectual, for instance, will attempt to persuade you that he has a brilliant mind despite the fact that he does not. The fame of a pseudo-celebrity is minimal. A combining form with the meaning "false," "pretended," or "unreal," used in the creation of compound words (pseudo classic; pseudointellectual); in science, designating a close or deceptive resemblance to the following element (pseudobulb; pseudocarp); and occasionally used in the chemical names of isomers (pseudoephedrine). a person who professes to be skilled in academic or creative endeavours but lacks in-depth comprehension or critical thinking. a person who exaggerates their intelligence and engages in intelligence fraud.

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Answer:

If we can only choose one I would choose the last one

Answer:

The last one

Explanation:

because compounds are made up of two atoms chemically joined together.

Answer:

15 mL

Explanation:

Please see the step-by-step solution in the picture attached below.

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