will more of the solid form or will some of the existing solid decompose as equilibrium is reached?

The carbon cycle processes that control the annual rise and fall of carbon dioxide in the Mauna Loa (Keeling) curve are photosynthesis, respiration, and decomposition. The carbon cycle is the process by which carbon dioxide enters and exits the Earth's atmosphere.

Carbon dioxide is a gas that aids in the retention of heat in the Earth's atmosphere, contributing to global warming. Carbon dioxide is consumed by plants during photosynthesis and then released back into the atmosphere through respiration and decomposition.

The carbon cycle can be broken down into four main steps: photosynthesis, respiration, decomposition, and combustion. Photosynthesis is the process by which plants consume carbon dioxide and sunlight to generate glucose, which is used as food. Oxygen is released as a byproduct of photosynthesis.

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Answer:

Brass

Explanation:

Brass is an alloy of copper and zinc, in proportions which can be varied to achieve varying mechanical and electrical properties.

Answer:Electrolysis is a process of passing electric current through water thereby splitting water molecules into hydrogen and oxygen.It is a process of breaking apart water molecules using electric current.In electrolysis of water, we use two copper wires, one twelve-volt battery, and some drinking water to do the tests.

Explanation:

Answer: The electrolysis of water will result in two hydrogen atoms and one oxygen atom.

Explanation: Hope this helps you :)

IF I have 84.107 grams of Hydrogen and 4.672 grams of water can of oxygen 4.153 gms be formed.

Methane, often known as natural gas, may be replaced with hydrogen, a clean fuel. It is the most prevalent chemical element and is thought to make about 75% of the universe's mass. Numerous hydrogen atoms may be found in water, plants, animals, and, of course, people here on earth.

Water is a liquid that facilitates the chemistry of life. Additionally, because it is a polar molecule, most other molecules may dissolve in it. As a result, we refer to water as a "solvent".

The decomposition of water is given as:

2H₂O       →        2H₂        + O₂

36 gm                4 gm         32 gm

4.672 gm       84.107 gm

Thus, from 36 gm of water oxygen produced 32 gm.

So, from 4.672 gm of water oxygen produced 4.153 gm.

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There may be some universal preferences for basic taste sensations, food choices in societies are a complex blend of biological, cultural, and individual factors.

Food choices in all societies are not solely driven by an inborn preference for specific food flavors. While taste preferences do have a biological component, food choices are influenced by a complex interplay of various factors, including cultural, environmental, social, and individual factors.

That being said, there are certain taste preferences that are commonly observed across many societies. These are often referred to as the basic taste sensations, which include sweet, sour, salty, bitter, and umami (savory). These basic tastes are thought to be universally recognized and experienced by humans due to their biological significance.

The preference for sweet flavors is believed to be innate and is associated with the perception of energy-rich foods. This preference may have evolutionary roots as sweet tastes are typically found in ripe fruits, which are a good source of energy. Similarly, the aversion to bitter tastes is thought to be an innate response to potentially toxic substances that often have a bitter taste.

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Answer  b

Explanation:

Answer: B. Isotopes of the same element have the same number of neutrons and a different number of protons.

Explanation: Founders Educere answer.

Good luck my fellow summer school students, I love you all.

Please rate, thanks, & vote brainliest, I want a rank up already.

The new volume is mathematically given as

V2= 16.12 L

Question Parameters:

A sample of gas has an initial volume of 20 L

and an initial pressure of 2.5 atm.

If the pressure changes to 3.1 atm

Generally, the equation for Pressure   is mathematically given as

P1V1 = P2 V2

2.5 * 20 = 3.1 * V2

V2 = 50/3.1

V2= 16.12 L

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Edible mushrooms: Consuming edible mushrooms is safe and provides health advantages like fiber, vitamins, and minerals.

Non-Edible mushrooms: Mushrooms that cannot be eaten could be harmful or have unappealing flavors and textures that could be harmful if consumed.

Cations have more protons than electrons, Anions result when atoms gain an electron.

The electron, a subatomic particle, has a negative one elementary charge electric charge. The electron, a member of the first generation of the lepton particle family, is usually regarded as an elementary particle because it has no known components or substructure.

A few straightforward rules can be used to calculate the quantity of protons, neutrons, and electrons present in an atom. The atomic number and the number of protons in the atom's nucleus are equal (Z). A neutral atom has the same number of protons and electrons as protons.

Around the nucleus, electrons are positioned in several shells. Only a fixed amount of electrons can fit in each subsequent shell. Filling begins with the innermost shell.

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\(\\ \sf \longmapsto m=\dfrac{Moles\:of\:solute}{Wt\:of\:solvent(in\:g)}\times 1000\)

Answer: False

Explanation: Flase Old John Dalton (1776-1894)

I hope this is helpful I know it is not much but this is a false answer  

The side chain of which amino acid is most likely to form a hydrogen bond with the side chain of glutamate is: lysine.

The side chain of lysine is most likely to form a hydrogen bond with the side chain of glutamate. Lysine and glutamate are both amino acids. Amino acids are the building blocks of proteins. The two side chains of amino acids can interact via hydrogen bonding.

A hydrogen bond is a non-covalent interaction between two electronegative atoms in which hydrogen is bonded to one atom and electronegative (N, O, or F) is bonded to another atom. These types of interactions are crucial in the stabilization of proteins and nucleic acids.

Amino acids that interact via hydrogen bonding play a key role in stabilizing the three-dimensional structure of proteins. Proteins can be stabilized by hydrogen bonding in a variety of ways, including within the polypeptide backbone, between the polypeptide backbone and side chains, and between two side chains.

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Answer:

The answer IS 0.0000035505. Hope it helps!

Explanation:

Answer: if you put it in a caculator you would get 0.0045 x 0.000789= 0.0000035505

Explanation:

Answer:

Fractional distillation (often shortened in high school to just distillation)

Explanation:

Some elements have different boiling points and can be separated by boiling one element out and condensing it. This is how sodium acetate is made, for example.

Hope this helped!

Isomers are compounds that have the same molecular formula but different arranged differently of the atoms.

For example

So even if they have the same proportion of their atoms, the chemical identity is different

The answer is option B: no because more than one compound can have the same ratio of masses of elements if the atoms are arranged differently.

Answer:

45 °C.

Explanation:

From the question given above, the following data were obtained:

Heat (Q) = 1125 J

Mass (M) = 250 g

Final temperature (T₂) = 55 °C

Specific heat capacity (C) = 0.45 J/gºC

Initial temperature (T₁) =?

The initial temperature of the iron can be obtained as illustrated below:

Q = MC(T₂ – T₁)

1125 = 250 × 0.45 (55 – T₁)

1125 = 112.5 (55 – T₁)

Divide both side by 112.5

1125/112.5 = 55 – T₁

10 = 55 – T₁

Collect like terms

10 – 55 = –T₁

–45 = –T₁

Multiply through by –1

45 = T₁

T₁ = 45 °C

Therefore, the initial temperature of the iron is 45 °C

One of the impacts of the specific heat of water on the planet is that Islands and coastal places have moderately pleasant climates. Option A.

The specific heat of water refers to its ability to absorb and retain heat. Due to water's high specific heat, it can absorb and release large amounts of heat energy without experiencing significant temperature changes.

This property has a moderating effect on climate, particularly in coastal and island regions. Water bodies, such as oceans and seas, act as heat sinks, absorbing excess heat during the day and releasing it at night.

This helps to stabilize temperatures, resulting in more moderate and pleasant climates in coastal and island areas compared to inland regions.

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Answer:

its classified as a molecule

Answer:

-3.70kJ

Explanation:

Notice that the problem provides you with the thermochemical equation for this reaction.

A thermochemical equation is simply a balanced chemical equation that includes the enthalpy change of reaction,

Δ

H

rxn

, for that particular reaction.

In your case, you have

2

P

(

s

)

+

5

Cl

2

(

g

)

→

2

PCl

5

(

g

)

Δ

H

rxn

=

−

886 kJ

This tells you that when the reaction produces two moles of phosphorus pentachloride,

PCl

5

, a total of

886 kJ

of heat are being given off

→

the reaction is exothermic.

Now, you need to figure out how much heat will be given off when

1.48 g

of chlorine gas reacts with excess phosphorus.

The fact that phosphorus is in excess tells you that chlorine will act as a limiting reagent, i.e. it will be completely consumed by the reaction.

Your goal now is to determine how many moles of chlorine gas you have in that sample. To do that, use its molar mass

1.48

g

⋅

1 mole Cl

2

70.906

g

=

0.02087 moles Cl

2

Use the

5

:

2

mole ratio that exists between chlorine gas and phosphorus pentachloride to determine how many moles of the latter will be produced when

0.02807

moles of chlorine take part in the reaction.

0.02807

moles Cl

2

⋅

2 moles PCl

5

5

moles Cl

2

=

0.008349 moles PCl

5

Now, you know that the reaction gives off

886 kJ

of heat when

2

moles of phosphorus pentachloride are formed. This means that when

0.008349

moles of the product are formed, the reaction will give off

0.008349

moles PCl

5

⋅

886 kJ

2

moles PCl

5

=

3.70 kJ

The answer is rounded to three sig figs.

Remember, these two statements

The reaction gives off

3.70 kJ

of heat when

0.008349

moles of product are formed

and

The enthalpy change of reaction,

Δ

H

rxn

, is equal to

−

3.70 kJ

when

0.008349

moles of product are formed

are equivalent!

Taking into account the definition of enthalpy of a chemical reaction, the quantity of heat released when 1.48  grams of chlorine reacts is 10.93 kJ.

The enthalpy of a chemical reaction as the heat absorbed or released in a chemical reaction when it occurs at constant pressure. That is, the heat of reaction is the energy that is released or absorbed when chemicals are transformed into a chemical reaction.

The enthalpy is an extensive property, that is, it depends on the amount of matter present.

In this case, the balanced reaction is:

2 P + 5 Cl₂ → 2 PCl₅

and the enthalpy reaction ∆H° has a value of -886 kJ/mol.

This equation indicates that when 2 moles of P reacts with 5 moles of Cl₂, 886 kJ of heat is released.

The molar mass is the amount of mass that a substance contains in one mole.

Being the molar mass of P 31 \(\frac{g}{mole}\) and the molar mass of Cl₂ 24 \(\frac{g}{mole}\), then when 62 grams (31 \(\frac{g}{mole}\)× 2 moles) of P reacts with 120 grams (24 \(\frac{g}{mole}\)× 5 moles) of Cl₂, 886 kJ of heat is released.

When 1.48  grams of chlorine are burned, then you can apply the following rule of three: if  120 grams of Cl₂ releases 886 kJ of heat, 1.48 grams of Cl₂ releases how much heat?

\(heat=\frac{1.48 grams x886 kJ}{120 grams}\)

heat= 10.93 kJ

Finally, the quantity of heat released when 1.48  grams of chlorine reacts is 10.93 kJ.

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The moles allow us to associate the microscopic scale of atoms to the macroscopic one to be able to make calculations of mass. The weight of a mole will depend on the element so it does not always weigh the same.

One mole will always represent 6.022x10^23 atoms according to Avogadro's number so the correct answer will be:

b. Because it always counts the same number of items

Answer:

One triple bond and four non bonding electrons

Explanation:

In considering the lewis structure of carbon monoxide, we must remember that the molecule contains a total of ten valence electrons. Four are the valence electrons that are present on the valence shell of carbon while six are the valence electrons on oxygen. Some of these valence electrons participate in bonding in the CO molecule.

Out of the six valence electrons on oxygen, two valence electrons participate in bonding with carbon while the other four electrons remain localized on the oxygen atom as two lone pairs of electrons.

Hence there are four nonbonding electrons in the lewis structure of CO as well as one triple bond.

In a 1H NMR spectrum, Chloroethane (C2H5Cl) has two different types of hydrogen atoms. The expected splitting patterns and chemical shifts for chloroethane.

Chloroethane (C2H5Cl) has two different types of hydrogen atoms due to their distinct chemical environments:

1. The two hydrogen atoms attached to the carbon that is also attached to the chlorine atom (CH2-Cl). Let's call these Ha.

2. The three hydrogen atoms attached to the second carbon in the ethane chain (CH3). Let's call these Hb.

In a 1H NMR spectrum, these two types of hydrogen atoms will have different chemical shifts and splitting patterns:

1. Ha (CH2-Cl): The Ha signal will be a triplet due to the 3 neighboring Hb protons (n + 1 rule, where n = 3). The chemical shift for Ha protons will be around 3.0 - 3.5 ppm, as this is the typical range for hydrogen atoms on a carbon connected to a halogen.

2. Hb (CH3): The Hb signal will be a quartet due to the 2 neighboring Ha protons (n + 1 rule, where n = 2). The chemical shift for Hb protons will be around 1.0 - 2.0 ppm, which is typical for hydrogen atoms on an alkyl group connected to an electronegative atom (in this case, the carbon bonded to chlorine).

In the integration values box above each signal, you would place the number of protons corresponding to each peak. For Ha, you would put '2', and for Hb, you would put '3'.

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Answer:

81.08g of H\(_{2}\)O will be produced.

Explanation:

Write down the balanced chemical equation:

\(B_5H_9 + O_2\) ⇒ \(B_2O_3+H_2O\)

\(2B_5H_9+12O_2\) ⇒ \(5B_2O_3+9H_2O\)

Determine the limiting reagent:

\(B_5H_9\) :-    126/63.12646 = 1.995993 mol

               1.995993/2 = 0.9979965

\(O_2\) :-         192/31.9988 = 6.000225 mol

               6.000225/12 = 0.50001875

Therefore, \(O_2\), is the limiting reagent.

Use stoichiometry ratios to determine the number of moles of water produced:

         \(O_2\)         :        \(H_2O\)

         12          :          9

  6.000225   :       4,500168756328362

Use the mole formula to calculate the mass of water produced:

\(n=\frac{m}{M} \\m=nM\\m=(4.500168756328362)(18.01528)\\m=81.08g\)

Answer:

C.) protons, neutrons, and electrons, only

Explanation:

According to the modern atomic theory, we can distinguish 2 parts in an atom:

In a neutral atom, there are the same number of protons (positive charges) as electrons (negative charges).

Answer:

Explanation:

Consider the motion of a Hot Wheels car beginning from rest at an elevated position. The Hot Wheels car rolls down a hill and begins its motion across a level surface. Along the level surface, the Hot Wheels car collides with a box and skids to a stop over a given distance. How could work and energy be utilized to analyze the motion of the Hot Wheels car? Would the total mechanical energy of the Hot Wheels car be altered in the process of rolling down the incline or in the process of skidding to a stop? Or would the total mechanical energy of the Hot Wheels car merely be conserved during the entire motion?

Of course the answers to these questions begin by determining whether or not external forces are doing work upon the car. If external forces do work upon the car, the total mechanical energy of the car is not conserved; the initial amount of mechanical energy is not the same as the final amount of mechanical energy. On the other hand, if external forces do not do work upon the car, then the total mechanical energy is conserved; that is, mechanical energy is merely transformed from the form of potential energy to the form of kinetic energy while the total amount of the two forms remains unchanged.

While the Hot Wheels car moves along the incline, external forces do not do work upon it. This assumes that dissipative forces such as air resistance have a negligible affect on the car's motion. This is a reasonable assumption for the low speeds of the car and its streamline characteristics. Since external forces do not do work on the car, the total mechanical energy of the car is conserved while moving along the incline. As the work-energy bar charts in the animation below depict, energy is transformed from potential energy (the stored energy of position) to kinetic energy (the energy of motion). The car gains speed as it loses height. The bar chart also depicts the fact that the total amount of mechanical energy is always the same; when the two forms are added together, the sum is unchanging.

When the Hot Wheels car collides with the box and skids to a stop, external forces do a significant amount of work upon the car. The force of friction acts in the direction opposite the car's motion and thus does negative work upon the car. This negative works contributes to a loss in mechanical energy of the car. In fact, if 0.40 Joules of mechanical energy are lost, then -0.40 Joules of work are done upon the car. As this work is done, the mechanical energy of the car (in the form of kinetic energy) is transformed into non-mechanical forms of energy such as sound and heat.

The word missing from the question is 'horizontally' and the complete question is 'Pillars may form as sunlight reflects off hexagonal pencil-shaped ice crystals that fall with their long axes oriented horizontally.'

When the sun is low on the horizon, tall pillars of light sometimes called sun pillars may be seen. This occurs when light reflects off the surfaces of falling hexagonal ice crystals, which are elongated and flat. The reflective surfaces of the ice crystals are horizontal. When sunlight reflects off the surfaces, it creates a long column of light that looks like a pillar. These sun pillars appear to be supporting the sun, hence the name sun pillars.

Sun pillars usually occur at sunrise or sunset, when the sun is low on the horizon and its light is more intense.  Pillars form as a result of the diffraction of light and its reflection off falling ice crystals, which are flat and elongated. The pillars are vertical shafts of light that extend upwards or downwards from the sun, moon, or other light sources. Therefore, pillars may form as sunlight reflects off hexagonal pencil-shaped ice crystals that fall with their long axes oriented horizontally. The crystal's long axis has to be positioned in a particular manner for a column of light to be produced.

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