What shows only the particles that take place in the reaction?complete ionic equationnet ionic equationactive ionsspectator ions

Compared to 2,3,4-trifluoropentane, the nonane's carbon chains are longer.

A substance's molar mass is defined as its molecular weight in grams. By adding the molar masses of a substance's constituent atoms, we may get the substance's molar mass. Then, to convert between mass and the quantity of moles of the material, we may utilize the computed molar mass.

Adding the atomic masses of a particular substance results in the calculation of molar mass. Below each element's symbol on the periodic table is a designation of the mass of that specific element. The molar mass is obtained by averaging the atomic masses obtained from the periodic table.

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strontium sulfate (s) + lithium iodide (aq)  →  strontium iodide (aq) and lithium sulfate (aq).

The reaction between strontium sulfate (SrSO4) and lithium iodide (LiI) can be represented by the following balanced chemical equation:

SrSO4 (s) + 2 LiI (aq) → SrI2 (aq) + Li2SO4 (aq)

In this reaction, strontium sulfate (SrSO4) in its solid state reacts with lithium iodide (LiI) in its aqueous state to produce strontium iodide (SrI2) and lithium sulfate (Li2SO4), both in their aqueous forms. The reaction can be understood by examining the ionic compounds involved. Strontium sulfate dissociates into strontium ions (Sr2+) and sulfate ions (SO4^2-), while lithium iodide dissociates into lithium ions (Li+) and iodide ions (I^-). The ions then rearrange to form the products, with strontium combining with iodide to form strontium iodide, and lithium combining with sulfate to form lithium sulfate. It's important to note that this reaction occurs in an aqueous solution, indicating that lithium iodide is dissolved in water. The solid strontium sulfate reacts with the aqueous lithium iodide to produce the aqueous products. This reaction demonstrates the chemical combination of the ions present in strontium sulfate and lithium iodide to form different ionic compounds.

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Answer:

i moles of copper has 6.022 multiplied by 10raseto 23

Explanation:

The texture of an igneous rock made up entirely of crystals big enough to be easily seen with the naked eye is phaneritic. Phaneritic texture is sometimes referred to as coarse-grained igneous texture. Granite, the most well known example of an intrusive igneous rock, has a phaneritic texture.

Answer:

the method used is physical

A response mechanism is the sequence of simple steps in which a chemical reaction happens.

Reactions that take location in multiple basic step are referred to as multistep or complex reactions. reaction intermediates are chemical species which might be formed in a fundamental step and ate up in subsequent steps. the general series of primary reactions is the response mechanism.

The sum of the man or woman steps or primary reactions inside the mechanism ought to result in a balanced method for the overall response. the general sequence of basic reactions is the response mechanism. A system or device is used to gain a selected result.

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Answer:

30.17 × 10²³ atoms

Explanation:

Given data:

Number of moles of lead = 5.01 mol

Number of atoms = ?

Solution:

Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

In given question:

1 mole = 6.022 × 10²³ atoms

5.01 mol × 6.022 × 10²³ atoms / 1 mol

30.17 × 10²³ atoms

Draw a structural formula for the major product of the reaction shown:

The structural formula for the major product (2-butene) of the given reaction is as follows:$$\ce{CH3CH2CH=CH2}$$

The given reaction is an acid-catalyzed dehydration reaction.

During the reaction, the hydroxyl group (OH) and the adjacent hydrogen atoms (H) on the reactant alcohol (2-butanol) undergo dehydration (loss of water) to form an alkene (2-butene) as the major product.

The reaction is shown below:$$\ce{CH3CH2CH2CH2OH + H2SO4 ->[\Delta] CH3CH2CH=CH2 + H2O}$$To draw the structural formula for the major product of the given reaction, we need to consider the following points:

1. The reactant alcohol (2-butanol) is a four-carbon alcohol with the hydroxyl group (OH) attached to the second carbon atom (C2) of the chain.

2. The product alkene (2-butene) will be a four-carbon alkene with a double bond between the second and third carbon atoms (C2 and C3) of the chain.

The other two carbon atoms will have a single bond with the adjacent carbon atoms and a hydrogen atom each attached to them.

3. The major product will be formed via the elimination of water (dehydration) between the hydroxyl group (OH) and the adjacent hydrogen atoms (H) on the second carbon atom (C2) of the reactant alcohol (2-butanol).

4. The acid catalyst (H2SO4) does not participate in the reaction and remains unchanged. It only facilitates the formation of the alkene by providing a proton (H+) to the hydroxyl group (OH) and a medium for the elimination of water.

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Answer:

No

Explanation:

The solubility of a solid in water refers to the amount of that solid that dissolves in water.

It is not possible to calculate the solubility of the solid because the student threw away the first precipitate that formed. We already have the volume of water, but having lost some mass of precipitate, it has become impossible to accurately determine the solubility.

Hence the answer provided above.

The growth of the new plant depicts the asexual reproduction characteristic. The characteristic that describes the growth of the new plant in Stephan's mother cutting a twig from a rose bush and planting it in the soil is asexual reproduction.

Asexual reproduction is the mode of reproduction by which organisms generate offspring that are identical to the parent's without the fusion of gametes. Asexual reproduction is a type of reproduction in which the offspring is produced from a single parent.

The offspring created are clones of the parent plant, meaning they are identical to the parent.The new plant in Stephan’s mother cutting a twig from a rose bush and planting it in the soil depicts the process of asexual reproduction, which is the ability of a plant to reproduce without seeds. In asexual reproduction, plants can reproduce vegetatively by cloning themselves using their roots, bulbs, or stems.

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Answer:

may I help?............

C. The pH stays about the same.

Answer:

C.The pH stays about the same.

Explanation:

Buffer reactions maintain stable pH of solutions.

Explanation:

Molarity = (# of moles)/(# of liters)

= 180 mol MgCl2/60 L

= 3.0M MgCl2

Answer:

Viruses, bacteria, fungi, and parasites.

Explanation:

hope this helps and is right :)

Answer:

The element is Iron

Explanation:

Answer:

T₂ = 218.75 K

Explanation:

Given data:

Initial volume = 20 L

Initial pressure = 16 atm

Initial temperature = 500 K

Final temperature = ?

Final volume = 35 L

Final pressure = 4 atm

Formula:  

P₁V₁/T₁ = P₂V₂/T₂  

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

by putting values,

P₁V₁/T₁ = P₂V₂/T₂  

T₂  = P₂V₂ T₁/ P₁V₁

T₂ = 4 atm × 35 L × 500 K / 16 atm × 20 L  

T₂ = 70000 atm .L. K / 320 atm.L

T₂ = 218.75 K

Answer:

B.) 36.0 grams

Explanation:

To find the mass of water, you need to (1) convert grams H₂ to moles (using the molar mass), then (2) convert moles H₂ to moles H₂O (using mole-to-mole ratio from reaction coefficients), and then (3) convert moles H₂O to grams (using the molar mass). It is important to arrange the conversions in a way that allows for the cancellation of units.

Molar Mass (H₂): 2(1.008 g/mol)

Molar Mass (H₂): 2.016 g/mol

Molar Mass (H₂O): 2(1.008 g/mol) + 15.998 g/mol

Molar Mass (H₂O): 18.014 g/mol

2 H₂ + O₂ -----> 2 H₂O
^                        ^

4.0 g H₂            1 mole             2 moles H₂O           18.014 g
---------------  x  ----------------  x  ------------------------  x  ---------------  = 36 g H₂O
                          2.016 g             2 moles H₂              1 mole

Answer:

a chemical reaction occurs

Iron because it loses electrons

An electrochemical cell is a device that converts chemical energy into electrical energy, or vice versa, through the transfer of electrons between two electrodes.

The cell typically consists of two half-cells, each containing an electrode immersed in an electrolyte solution. The two half-cells are separated by a membrane or a porous barrier that allows the flow of ions between them.

Electrochemical cells have numerous applications, including batteries, fuel cells, corrosion protection, and electroplating, among others.

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2 possible stereoisomers are there for Crestor ® (rosuvastatin), a medication used to reduce cholesterol.

Cholesterol is very crucial component of cell membrane and it is steroid class of hormone like testosterone, estrogen and progesterone hormones of human reproductive system.

High cholesterol containing food like eggs and fish oil are important source of vitamin D, which involve in  the regulating  the nervous system, blood sugar regulation, mineral absorption, proper immune response etc.

The cholesterol in body help in digestion of fat derived food and bile is also needed for proper absorption of vitamins D, A, E and K.

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Approximately 166.67 mL of water needs to be evaporated from 250 mL of 1 M Ca(OH)2 to make it 3 M.

The relationship between the initial and final concentrations and volumes must be taken into account.

Given: Initial concentration \((C^1) = 1 M Initial volume (V^1) = 250 mL\)

\((C^2) = 3 M final concentration\)

We can use the equation:

\(C^1 * V^1 = C^2 * V^2\)

Where:

\(V^2\)is the final volume of the solution

Rearranging the equation to solve for V2:

\(V^2 = (C^1 * V^1) / C^2\)

Substituting the given values:

\(V^2 = (1 M * 250 mL) / 3 M\)

\(V^2 = 250 mL / 3\)

\(V^2\) ≈ \(83.33 mL\)

To find the amount of water that needs to be evaporated, we subtract the final volume from the initial volume:

Amount of water to be evaporated = \(V^1 - V^2\)

Amount of water to be evaporated = 250 mL - 83.33 mL

Amount of water to be evaporated ≈ 166.67 mL

Therefore, approximately 166.67 mL of water needs to be evaporated from 250 mL of 1 M Ca(OH)2 to make it 3 M.

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Answer:

A

Explanation:

In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes

Answer:

D

Explanation:

The potential energy curve of a system of atoms define the potential energy of the atoms with respect to the inter-nuclear separation. The minimum point of the curve represents the equilibrium bond length of the bond.

The energy of the system depends on the distance between the two interacting atoms.

Looking at the potential energy curve for hydrogen molecule in option D, we can assert that a chemical bond indeed exists between the two atoms of hydrogen and the minimum point of the curve is the equilibrium bond length of the bond.

A common relation between potential energy and internuclear distance when stated, is applicable to the ground states of diatomic and polyatomic molecules.

The potential energy of two separate hydrogen atoms often becomes lower as they approach each other, and the single electrons on each atom are shared to form a covalent bond.

The bond length is regarded as the internuclear distance where the lowest potential energy is gotten. The strong attraction of each shared electron often stabilizes the system.

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When a sample of a gas is heated at constant pressure, the average kinetic energy of its molecules vibrate.

Thus,  An object's kinetic energy is the type of energy that it has as a result of motion.  It is described as the effort required to move a mass-determined body from rest to the indicated velocity and vibrate.

The body holds onto the kinetic energy it acquired during its acceleration until its speed changes. The body exerts the same amount of effort when slowing down from its current pace to a condition of rest.

Formally, kinetic energy is the second term in a Taylor expansion of a particle's relativistic energy and any term in a system's Lagrangian that includes a derivative with respect to time.

Thus, When a sample of a gas is heated at constant pressure, the average kinetic energy of its molecules vibrate.

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Answer:

True

Explanation:

yes magnetic feild lines is always combined

Answer: Less

Explanation:

Ethane is a non-polar molecule while water is a polar molecule