What is the process of breaking down a compound into its individual elements called

Answer: it is C

Explanation:

c

A number line with 0 in the center and circle -3 to the left of it  represents the solution set for inequality 3x<-9.

A number line is a depiction of a graded single direction that serves as a visual representation of real numbers in primary mathematics. Every point on a number line is believed to correspond to something like a real number, and so every specific number to a point.

Given that the inequality is 3x-9,

Because 3 is a positive number, we may divide this discrepancy by 3 without affecting the less than sign.

i.e. x<-9/3

Or x<-3

Because -3 is strictly less than, we must have a hole at -3. (excluding -3)

Because there is a less than indication, the region on the number line to the left of -3 has a hole at -3.

Therefore, a number line with 0 in the center and circle -3 to the left of it  represents the solution set for inequality 3x<-9.

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Answer: Urine

Explanation: The kidneys are the organs that clean the blood stream, they filter about a half cup of blood every minute and they remove waste and extra unnecessary water from the blood stream, with this they produce urine that would be later expelled from the body.

Yellow is the correct answer .

Chlorophyll is a green pigment that is essential for the process of photosynthesis in plants, algae, and some bacteria. It absorbs light energy from the sun and converts it into chemical energy, which is then used to produce organic compounds that the organism can use for energy and growth. Chlorophyll is found in specialized organelles called chloroplasts, which are present in the cells of photosynthetic organisms. There are several types of chlorophyll, but the most common types found in plants are chlorophyll a and chlorophyll b. Chlorophyll is also responsible for the green color of leaves and other photosynthetic tissues.

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The three oxygen atoms can occupy three distinct positions in space. These positions can be identified by their coordinates in three-dimensional space.

The space is an area or volume that exists between two or more objects, areas, or surfaces. In scientific terms, it is the distance between two points in three-dimensional space. It can also refer to a gap between two events, feelings, or other entities. In mathematics, space is a measure of the dimensionality of a given set, which can be described as the number of degrees of freedom within a given set. In physics, space is the physical realm of existence that encompasses all matter and energy. It is a fundamental component of reality and the universe.

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283.875 mL of ethanol are in a 0.750gallon sample of the gasohol. Therefore, the correct option is option A.

Ethanol, sometimes known as ethyl alcohol, is a chemical liquid having the formula C2H5OH. Its primary application is as a solvent. To comprehend the chemical composition of ethanol, you must first grasp what alkenes are.

Alkenes are carbon and hydrogen molecules containing at at least one double bond between two carbons. Ethene is an example of an alkene.

1 gall = 3.785 L

0.750gallon =?

0.750gallon ×3.785 L / 1 gallon

= 2838.75 ml

10% of  2838.75 ml= 283.875 mL

Therefore, the correct option is option A.

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It is a greenhouse gas. The greenhouse effect is caused by the absorption by the surface of the Earth and re-absorption by the atmosphere of the greenhouse gases (CH₄, CO₂, NO, CFCs ) in the environment.

What is the greenhouse effect?

The greenhouse effect is a natural process by which certain gases in the Earth's atmosphere, known as greenhouse gases, trap heat from the sun and prevent it from escaping into space. The greenhouse gases, which include carbon dioxide, methane, water vapor, and others, act like a blanket around the Earth, absorbing and re-emitting infrared radiation that would otherwise be lost to space. This process helps to keep the Earth's temperature within a range that is suitable for supporting life. However, human activities such as burning fossil fuels have increased the concentration of greenhouse gases in the atmosphere, leading to an enhanced greenhouse effect and causing the Earth's temperature to rise, a phenomenon known as global warming.

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The complete question and the labelled answer respectively, is as follows:

A) Incorrect. It is not guaranteed that adding gas particles to the container will decrease the kinetic energy, as we don't know what energy those particles have to begin with.

B) Incorrect. We are not given any information that reveals that the container will break.

C) Incorrect. Because there are more particles, more collisions will occur in the container, increasing the likelihood that bonds may form between particles. This deviates from ideal gas behaviour.

D) Correct. Adding particles will increase the number of collisions that occurs as well as the overall pressure.

Option D

The solution is supersaturated from the solubility curve shown.

A solubility curve is a graphical representation of the relationship between the solubility of a substance and temperature. It shows how the solubility of a solid solute (e.g., salt, sugar) changes with temperature in a given solvent (e.g., water).

A solubility curve is typically plotted with solubility on the y-axis and temperature on the x-axis. The curve generally slopes upward, meaning that as the temperature increases, the solubility of the solute in the solvent also increases. This is because higher temperatures increase the energy of the solvent and solute particles, making it easier for them to dissolve and form a homogeneous solution.

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Missing parts:

When 50 grams of potassium chloride KCI is dissolved in 100 grams of water at 50 C the solution can correctly be described as

A unsaturated

B saturated

C supersaturated

Answer:

C1H1

Explanation:

The empirical formula of a hydrocarbon can be determined by analyzing the products of its combustion reaction. To do this, we first need to convert the masses of CO2 and H2O produced to moles. The number of moles of CO2 is 6.47 g / 44.01 g/mol = 0.1469 mol. The number of moles of H2O is 2.98 g / 18.02 g/mol = 0.1654 mol.

Next, we can use the number of moles of CO2 and H2O to determine the number of moles of carbon (C) and hydrogen (H) present in the original hydrocarbon. The balanced equation for the combustion of a hydrocarbon is:

CxHy + (x + y/4)O2 -> xCO2 + (y/2)H2O

Since one mole of CO2 is produced from one mole of carbon in the hydrocarbon, the number of moles of carbon is equal to the number of moles of CO2: 0.1469 mol.

Since two moles of H2O are produced from one mole of hydrogen in the hydrocarbon, the number of moles of hydrogen is equal to half the number of moles of H2O: 0.1654 mol / 2 = 0.0827 mol.

Finally, we can divide each number of moles by the smallest number of moles to obtain the mole ratio. In this case, both carbon and hydrogen have the same number of moles, so the mole ratio is 1:1.

C = 0.1469 mol / 0.1469 mol = 1

H = 0.0827 mol / 0.1469 mol = 0.56

The empirical formula for the hydrocarbon is C1H0.56, which can be simplified to C1H1 by rounding the subscript to the nearest whole number. The empirical formula for the hydrocarbon is therefore C1H1.

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If the system's pressure is increased, the equilibrium will shift in the direction that decreases the total number of gas molecules in the system.

The effect of changing pressure on an equilibrium depends on the reaction's stoichiometry and the total number of moles of gas present in the system. For example, if the reaction produced more gas molecules on the product side, an increase in pressure would shift the equilibrium to the left, in the direction of the reactants.

Stoichiometry is a branch of chemistry that deals with calculating the quantities of reactants and products involved in a chemical reaction. In any chemical reaction, the reactants combine to form products according to a specific chemical equation that shows the reaction's stoichiometry.

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Answer:

It should be temperature, concentration

As determined by the stoichiometry, water is the limiting reactant, and 4.2 moles of the excess reactant are still present after the formation of 39.35 g of magnesium hydroxide and 1.35 g of water.

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Chemical reactions as well as thermal energy regulate release of energy. The steps are given below.



-Temperature

0.00 seconds seventy five degrees

15 seconds; activation at 75 degrees

thirty second 86 degrees

One minute a temperature of 95

90 second at 104 degrees

For one minute 95 degrees

A reaction uses thermal energy from the source to produce a product.

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The energy of an electron in the third orbit in a hydrogen atom is -3.4 eV.

Answer:

34.8/m² kcal mol

Explanation:

The energy of an electron in an orbit in a hydrogen atom is proportional to the reciprocal of the square of its orbital number. Therefore, the energy of an electron in the 3rd orbit can be calculated as follows:

Energy (3rd orbit) = Energy (1st orbit) * (1/3)^2

Energy (3rd orbit) = 313.6/m² kcal mol * (1/9)

Energy (3rd orbit) = 34.8/m² kcal mol

So the energy of an electron in the 3rd orbit of a hydrogen atom is 34.8/m² kcal mol.

ALLEN

Answer:

See Below

Explanation:

If my math is correct then this should be balanced

3Fe + 4H2O -> Fe3O4 + 4H2

Answer: 3Fe + 4H2O ---> 1Fe3O4 + 4H2

               Fe :  3                    :   3

                H : 8                      : 8

                O:  4                      :  4

The molar specific heat, Cv, of a gas in which each molecule has degrees of freedom γ is  [tex]C_v= (s*r)/2 J/mol*K[/tex]

The molar heat capacity of a chemical substance is the quantum of energy that must be added, in the form of heat, to one operative of the substance in order to beget an increase of one unit in its temperature.

Alternately, it's the heat capacity of a sample of the substance divided by the quantum of substance of the sample; or also the specific heat capacity of the substance times its molar mass. The SI unit of molar heat capacity is joule per kelvin per operative, JK⁻¹

The largest number of logically independent values—that is, values with the freedom to change—in the data sample is referred to as the degree of freedom. If there is a remaining requirement for the data sample, particular data sample items must be picked after the degrees of freedom quantity has been decided.

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Complete question:

Thermodynamics deals with the macroscopic properties ofmaterials. Scientists can make quantitative predictions about thesemacroscopic properties by thinking on a microscopic scale. Kinetictheory and statistical mechanics provide a way to relate molecularmodels to thermodynamics. Predicting the heat capacities of gasesat a constant volume from the number of degrees of freedom of a gasmolecule is one example of the predictive power of molecularmodels.

The molar specific heatC_vof a gas at a constant volume is thequantity of energy required to raise the temperatureTof one mole of gas by one degree while thevolume remains the same. Mathematically,

[tex]C_{\rm v}= \frac{1}{n}\,\frac{dU}{dT},[/tex]

wherenis the number of moles of gas,dUis the change in internal energy, anddTis the change in temperature.

Kinetic theory tells us that the temperature of a gas isdirectly proportional to the total kinetic energy of the moleculesin the gas. The equipartition theorem says that each degree offreedom of a molecule has an average kinetic energy equal to[tex]\frac{1}{2}k_}{\rm BT[/tex],  wherek_Bis Boltzmann's constant[tex]1.38 \times 10^{-23} \rm {J/K}[/tex] . Whensummed over the entire gas, this gives[tex]\frac{1}{2}nR[/tex]T, where [tex]R=8.314\; {\rm \frac{J}{mol\cdot K}}[/tex] is the ideal gas constant, for each molecular degree offreedom.

Part A

Using the equipartition theorem, determine the molar specific heat,C_v, of a gas in which eachmolecule hassdegrees of freedom.

Express your answer in terms ofRands.

Part B

Given the molar specific heatC_vof a gas at constant volume, you candetermine the number of degrees of freedomsthat are energetically accessible.

For example, at room temperature cis-2-butene,\rm C_4 H_8, has molar specific heat [tex]C_v=70.6\;{\rm \frac{J}{mol \cdot K}[/tex]}. How many degrees of freedom of cis-2-butene areenergetically accessible?

Express your answer numerically to the nearest integer.

Taking into account the reaction stoichiometry, the volume of H₂ required is 44.8 L.

The balanced reaction is:

2 H₂ + O₂ → 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

H₂: 2 moles

O₂: 1 mole

H₂O: 2 moles

The STP conditions refer to the standard temperature and pressure, which values are 0 °C and 1 atmosphere as a reference values for gases. In these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.

To calculate the number of moles of O₂ required, you can observe the stoichiometry of the reaction. By reaction stoichiometry 2 moles of H₂O are formed by 2 moles of H₂.

Now, you can apply the following rule of three: if by definition of STP conditions 1 mole of H₂ occupies a volume of 22.4 liters, 2 moles occupies how much volume?

volume= (2 moles× 22.4 L)÷ 1 L

volume= 44.8 L

Finally, 44.8 L of H₂ are needed.

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All the possible structural isomers for the molecular formula C₆H₁₂ are given here. All of them has the same number of carbon and hydrogen atoms but with different structures.

Isomers are compounds with the same chemical formula but different structures, spatial conformation, geometry, functional groups  etc. There are are different kinds of isomers.

Structural isomers are compounds with same formula but different structures. In the case alkanes, alkenes or alkynes, the position of the branches or groups attached can be of different but formula stay the the same.

Here, the compound with the formula, C₆H₁₂ have structures similar of alkenes and can have ring structures as shown in the image. The position of the double bond or the branches are different in each isomers.

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The system developed to extinguish fires in commercial cooking operations, reducing the temperature of the burning liquid is the "wet chemical extinguishing system".

This system is specifically designed to suppress fires that start in deep fryers and other cooking appliances commonly found in commercial kitchens. The wet chemical extinguishing system is a specialized fire suppression system that uses a specially formulated liquid agent to extinguish fires by cooling the fuel and preventing re-ignition. The liquid agent is discharged in a fine mist, which blankets the burning fuel and cools it to below its ignition temperature. This helps prevent the fire from spreading and re-igniting, and reduces the potential for injury or property damage. Other fire suppression systems temperature that are commonly used include the combination system, which combines wet chemical and dry chemical agents, the dry pipe system, which is a type of sprinkler system that uses pressurized air to prevent water from entering the pipes until a fire is detected.

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Electrons are negatively charged subatomic particles that orbit the nucleus of an atom. They are essential for chemical reactions, as they participate in the formation and breaking of chemical bonds. The appropriate diagram relating to the question is attached.

A radical is a molecule or atom that contains one or more unpaired electrons. Radicals are highly reactive and can participate in a wide range of chemical reactions, such as combustion, polymerization, and oxidation.

A cationic intermediate is a positively charged species that forms during a chemical reaction. It is an intermediate state between the starting materials and the final products, and it is typically short-lived. Cationic intermediates can be formed by the loss of an electron or by the addition of a proton or other positively charged species.

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Answer:it is 5 square c

Explanation:

because c is the best

Based on given titration reaction, following are the values asked -

a) 0.3237M of the SO₃⁻ solution.

b) Permanganate solution

c) 0.008093M

Titration is a typical laboratory technique for quantitative chemical analysis used to calculate the concentration of an identified analyte.

a) Based in the reaction, 2 moles of MnO₄⁻ react with 5 moles of SO₃⁻. Moles of permanganate used in titration are:

0.02389L×0.1355mol/L = 0.003237moles of MnO₄⁻. The moles of SO₃⁻ are:

0.003237moles of MnO₄⁻ × (5 moles of SO₃⁻ / 2 moles of MnO₄⁻) = 0.008093 moles of SO₃⁻

As volume of the solution is 25.00mL, the concentration of the solution is:

0.008093 moles of SO₃⁻ / 0.02500L = 0.3237M of the SO₃⁻ solution.

b) In a titration, the solution that is in the buret (Titrant), is the solution of known concentration, for the problem, permanganate solution

c) The moles of the Mn²⁺ solution are the same of MnO₄⁻. That is:

0.003237moles. As the volume of the new solution is 400mL, the concentration of the solution is:

[ Mn²⁺] = 0.003237moles / 0.400L = 0.008093M

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Answer:

In a weakly acidic medium, nitrobenzene on electrolytic reduction gives aniline but under strongly acidic medium it gives p-aminophenol. In the alkaline medium, various mono and di-nuclear reduction products such as Azoxybenzene, Azobenzene are obtained.

Answer:

that's molecular

Molecular formula

There are 2.81 × 10^24 moles number of carbon atoms in a 140.0 g sample of glucose (C6H1206).

The term molar mass of a substance is defined as the mass in grams of one mole of the compound. In a substance, the amount of entities present e.g., atoms, molecules, ions. A mole of any substance is 6.022×10²³ molecules.

To calculate, we need to know the number of moles present in 140 grams of carbon.

number of moles = mass/molar mass

molar mass of glucose is = 180 g/mol

Therefore, the number of moles will be ;

140/180 = 0.7778 mole

1 mole of glucose contains 6 moles of carbon;

Then, 0.7778 moles will contain = 4.667 moles

the number of atoms in 1 mole is 6.02 × 10^23 atoms

The number of atoms in 4.667 moles will be :

4.667 × 6.02 × 10^23

= 2.81 × 10^24 atoms

Thus, 2.81 × 10^24 moles number of carbon atoms in a 140.0 g sample of glucose (C6H1206).

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Answer:

In order to calculate the theoretical yield of Aluminum Sulfate in this reaction, you would need to know the balanced chemical equation for the reaction between Copper (II) Sulfate and Aluminum.

Without that information, it is not possible to determine the amount of Aluminum Sulfate that would be produced from 2.50 grams of Copper (II) Sulfate.

Explanation:

Answer:

4.67 moles of aluminum

Explanation:

For the reaction:

3Li (s) + AI(NO3)3 (aq) --> 3LiNO3(aq) + Al(s)

The number of moles of aluminum produced from 14 moles of lithium can be determined by using the mole ratio between aluminum and lithium in the balanced chemical equation. The mole ratio between aluminum and lithium in the reaction is 1:3, which means that for every 3 moles of lithium, 1 mole of aluminum is produced. Therefore, the number of moles of aluminum produced from 14 moles of lithium can be calculated as follows:

14 moles of Li / 3 moles of Li per mole of Al = 4.67 moles of Al

So, 14 moles of lithium will produce 4.67 moles of aluminum.

Answer:

the answer is 5

Explanation:becuase it is great for the society