If a material conducts heat easily, it is a good__________________

Please answer if you know it I need this today this question is only for people who have done it or they know the answer. Please answer this I need to know the answer please and thank you have a good day! It would be amazing if I got an A+ on my final test! PLEASE HELP AND PLEASE ANSWER IF YOU KNOW THE ANSWER PLEASE HELP!!!!!!!!!!

We can produce more products by;

A. Increasing the concentration of H₂ gas in the reaction vessel

B. Decreasing the temperature in the reaction vessel

C. Removing the H₂O from the reaction vessel as it forms

Water is created through an exothermic process. Heat energy is released when hydrogen gas (H2) and oxygen gas (O2) mix to make water (H2O). An exothermic reaction is characterized by this energy release.

The reaction's overall energy change is negative, which shows that energy is released. The reaction is exothermic because the extra energy is released as heat into the environment.

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Missing parts;

Water can be made using the reversible reaction shown. Which change would

keep this reaction from shifting to form more of the product?

2H₂+022H₂O + energy

A. Increasing the concentration of H₂ gas in the reaction vessel

B. Decreasing the temperature in the reaction vessel

C. Removing the H₂O from the reaction vessel as it forms

D. Increasing the temperature in the reaction vessel

Answer:

creat and trough are the parts of transverse wave

Explanation:

Well, the qualitative significance of a chemical equation is that it shows us concisely, and economically how matter interacts chemically in the breaking, and making of chemical bonds to form new substances…

Quantitatively, ALL stoichiometrically balanced equations show us that MASS is CONSERVED, and that “TANSTAAFL” , i.e. “there ain’t no such thing as a free lunch” , operates. And so 5∙g , 5∙kg , 5∙tonne of total REACTANT from all sources, leads to AT MOST to 5∙g , 5∙kg , 5∙tonne of total PRODUCT…. and in practice, we are not even going to get that… Electronic charge is also conserved in every chemical reaction … and we use this conservation principle when we write redox equation…

Chemical equations are the symbolic expression of the compounds and elements. It shows the quality and quantity by the chemical interaction and stoichiometry coefficient.

A chemical equation expresses the chemicals of the reactant and the product side in the form of symbols and mathematical expressions. They are quantitatively significant as they represent the stoichiometry coefficient. It tells about the moles needed by the reactants needed for product formation.

They also are qualitatively important as they depict the phases of the reactants and the products and tell the type of reaction like the decomposition, oxidation, reduction, combustion, etc. undergone by the substances.

Therefore, the chemical equation is significant both qualitatively and quantitatively.

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Answer:

14.9 mol

Explanation:

To find the number of moles in a given mass of a sample of sodium chloride (NaCl), we can multiply the number of grams in the sample by the molar mass of sodium chloride, which is 58.44 g/mol.

871 g × (1 mol / 58.44 g)

= 871/58.44 mol

≈ 14.9 mol

Note that we rounded to 3 significant figures in the final answer because that is how many significant figures were given in the mass measurement of the sodium chloride sample.

Answer:

broken up into peices

Explanation:

If a less concentrated initial solution of sodium bicarbonate was used in beaker C, it would require more bicarbonate to neutralize the acid.

Concentrated means something that has been increased in strength or power by reducing its volume. It can refer to a solution that has a higher concentration of solutes than the original solution, a sound that is louder or stronger, or a force that is more powerful or intense. Concentrated can also refer to a person’s focus or attention on one particular thing, when their thoughts and energy are directed to a single point.

This is because the concentration of sodium bicarbonate determines how much of the acid can be neutralized by the solution. If the initial solution is less concentrated, then it will take more of the bicarbonate to neutralize the same amount of acid.

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Tectonic plates are huge pieces of EARTH'S LITHOSPHERE that slowly move on the ASTHENOSPHERE.

A tectonic plate is a large, rigid slab of solid rock that makes up the Earth's outermost layer, known as the lithosphere. The lithosphere is broken up into a series of tectonic plates that are in constant motion, driven by the flow of the Earth's mantle beneath them. There are several major tectonic plates, including the North American, South American, African, Eurasian, Australian, Pacific, and Antarctic plates, as well as several smaller plates. The movement of tectonic plates is responsible for a variety of geological phenomena, such as earthquakes, volcanic eruptions, mountain building, and the formation of oceanic trenches and ridges. The theory of plate tectonics provides the framework for understanding the dynamics of the Earth's crust and how it has evolved over time.

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In paragraphs 11-16 of "Miss Brill," Mansfield includes the scene in which a young couple joins Miss Brill on her special bench and the significance of this scene includes the following:

In this scene, we can see Miss Brill having a good time in the park but coming to realize soon enough that the couple who she admired and planned to listen to did not think kindly of her. This made the woman sad even as she walked down to her home.

Her sense of importance was dealt a blow in this case. In this story also, Miss Brill applied her ability to envision a joyful scene.

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Answer:

- 7 carbon atoms.

- 14 hydrogen atoms.

- 1 oxygen atom.

Explanation:

Hello,

In this case, for the given compound, heptanone, whose chemical formula is:

\(CH_3COCH_2CH_2CH_2CH_2CH_3\)

We can write the molecular formula showing the present atoms of each element:

\(C_7H_{14}O\)

In such a way we have:

- 7 carbon atoms.

- 14 hydrogen atoms.

- 1 oxygen atom.

Best regards.

Answer:

Al = 13.4%  Cr = 38.8%  O = 47.7

Aluminium Chromium Oxygen

Explanation:

im so sorry if i am wrong

Answer:

Kr, Ar, Ne, N

Explanation:

Hope this helps

Answer:

the answer is A to protect and support the cell

Answer:

A)

Explanation:

The students were instructed to puts on safety goggles and a lab apron before pouring the acid into the beaker simply because chemicals can cause eye damage or even blindness.

This is known as laboratory safety and protocol.

Laboratory safety simply refers to those precautions, safety or protocols usually given to students to avoid being hurt during any of laboratory activities.

Some few examples of laboratory instructions are follows:

So therefore, the students were instructed to puts on safety goggles and a lab apron before pouring the acid into the beaker simply because chemicals can cause eye damage or even blindness.

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The cation is \(V^3^+\) and the anion is \(Cl^-\) in \(VCl_3\).

An ionic compound is a chemical compound made up of charged ions called cations and anions that are held together by electrostatic forces.

Cations are elements with one or more positive charges because they have more number of protons than electrons.

Anions are elements with one or more negative charges because they have more number of electrons than protons.

An ion which has lost electrons and now has a positive net charge is said to be a cation. An atom's cation is smaller than the neutral atom because electrons are taken out to produce a cation.

An ion which has acquired electrons and now has a negative net charge is called an anion. The anion of an atom is larger than the neutral atom because electrons have been added to produce it.

In Vanadium (III) chloride, vanadium gives 3 electrons and become +3 charge and chlorine gains 1 electron and become -1 charge. Since 3 electrons are given by vanadium, 3 chlorine atoms are bonded, thus the compound is \(VCl_3\).

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Explanation:

Water is called the "universal solvent" because it is capable of dissolving more substances than any other liquid. This is important to every living thing on earth. It means that wherever water goes, either through the air, the ground, or through our bodies, it takes along valuable chemicals, minerals, and nutrients.

a)possesses a negative charge - electron

b)has no charge - neutron

c)has a mass slightly less than that of a neutron - proton

d)has a charge equal to, but opposite in sign from, that of an electron - proton.

What has a negative charge?

Electrons have a negative charge. The charge on the proton and electron are exactly the same size but opposite. Neutrons have no charge. Since opposite charges attract, protons and electrons attract each other.

What are the four properties of neutrons?

Neutrons are neutral particles – with no net electric charge.

Neutrons have a non-zero magnetic moment.

Free neutrons (outside a nucleus) are unstable and decay via beta decay.

Is a neutron's mass slightly less than a proton's?

The mass of a neutron is slightly greater than the mass of a proton, which is 1 atomic mass unit (AMU).

Is the charge of an electron opposite to the charge of a proton?

Electrons and protons have equal and opposite charges. The magnitude of this charge is 1.6×10−19 Coulomb.

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There are therefore a total of 14 atoms: 2 Al, 3 C, & 9 O. In other words, 3.5 moles of calcium carbonate will contain 3.5 moles if carbon because each mole of calcium carbonate has one mole of carbon.

Hence, 40.078 divided by 100.086 everything multiplied by 100% represents the mass percentage for calcium in calcium carbonate. This yields a value of almost 40%. Carbon's mass percentage is calculated by taking 12.011 and dividing it by 100.086, then multiplying that result by 100% to get a number of roughly 12 percent.

The subscripts (2 and 3) in this formula indicate how so many atoms will make up one unit of the molecule. There are two aluminium atoms and three oxygen atoms, respectively, denoted by the numbers 2 and 3.

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The temperature in kelvin (K) in which the reaction occurs spontaneously is given as  349 K

Entropy is simply defined as the measure of the degree of the disorderliness of a system. Mathematically, it can be expressed as:

ΔS = ΔH / T

Where

ΔS = ΔH / T

1.64 = 573 m T

Cross multiply

1.64 × T = 573

Divide both side by 1.64

T = 573 / 1.64

T = 349 K

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The number of moles of the gas by the ideal gas law is 0.18 moles.

The behavior of an ideal gas, a hypothetical gas made up of randomly moving particles with little volume and no intermolecular interactions, is described by the ideal gas law.

Although intermolecular interactions and non-zero particle volume prevent gases from always behaving in an ideal manner, the ideal gas law is nevertheless a good approximation for many gases under some circumstances.

We know that;

PV = nRT

We have ;

P = 1.2 atm

V = 3.4 L

T = 10 + 273 = 283 K

n = ?

n = PV/RT

n = 1.2 * 3.4/0.082 * 283

n =4.08 /23.2

n = 0.18 moles

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The volume of the unit cell of element X is approximately 1.785 × 10⁸ picometers cubed (pm³).

In a body-centered cubic unit cell, there are atoms at each of the eight corners of the cube, and one atom in the center of the cube. Each atom at the corner is shared by eight unit cells, while the atom at the center is contained within a single unit cell.

The distance from one corner of the cube to the opposite corner is equal to four times the radius of the atom (i.e. 4 × 151 pm = 604 pm), which is known as the body diagonal of the cube.

Therefore, the length of one side of the cube is given by:

a = (4/√3) × r

= (4/√3) × 151 pm

≈ 554.6 pm

The volume of the unit cell is then given by:

V = a³

= (554.6 pm)³

≈ 1.785 × 10⁸ pm³

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From the calculations, the concentration of the acid is 0.24 M.

The term neutralization has to do with a reaction in which an acid and a base react to form salt and water only.

We have to use the formula;

CAVA/CBVB = NA/NB

CAVANB =CBVBNA

The equation of the reaction is; 2NaOH + H2SO4 ----> Na2SO4 + 2H2O

CA = ?

CB = 1.2 M

VA =  50 mL

VB = 20 mL

NA = 1

NB = 2

CA = CBVBNA/VANB

CA = 1.2 M * 20 mL * 1/ 50 mL * 2

CA = 0.24 M

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Answer:

Picture:

Explanation:

Edge 2022

Answer:

6

8

6

Explanation:

 Isotope given:

                       ¹⁴₆C

In specie written as this;  

   Superscript  = Mass number

   Subscript  = Atomic number

To find the protons, it is the same as the atomic number;

                Protons  = Atomic number  = 6

Neutrons have no charges;

 Neutrons  = Mass number - Atomic number  =

  Neutrons  = 14 - 6  = 8

The number of electrons is the same as the atomic number = 6

At pOH value  of 6.0 the pH value of the following solution is 8.0 and the concentration of [\(H^{+}\) ] ion is \(10^{-8}\)

In this question we will apply the formula

      pH +pOH = 14 . . . . . . . . . . . . .(1)

where pH = concentration of [\(H^{+}\) ] ion

pOH = concentration of [\(OH^{-}\) ] ion

As per the question

pOH =6.0

Putting the value of pOH in equation (1) we get the value of pH

              pH + 6.0 =14

             pH = 14 -6.0

             pH  = 8.0

 The value of pH if the pOH value is 6.0 is 8.0

To find the concentration of \(H^{+}\) ion we will use the following formula

This is calculated by the formula

                                 [\(H^{+}\)} = \(10^{-pH}\)

where we will write the values of pH

Hence the concentration of [\(H^{+}\)} ion is \(10^{-8}\)

Therefore at  pOH of 6.0 the pH value of the following solution is 8.0 and the concentration of [\(H^{+}\) ] ion is \(10^{-8}\)

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The complete question is -

What is the pH value and concentration of [\(H^{+}\) ] ion of the following if the pOH value of the solution is 6.0 ?

Answer:

The answer is 82

Explanation:

Dude in the stop says so

One mole of the compound Al₂ (SO₄)₃ contains 2 moles of Al, 3 moles of sulphur atoms and 6 moles of O₂ gas.

Aluminum sulphate is an ionic compound formed by the donation of electrons from the Al metal to the sulphate group. In the sulphate group, the oxygen and sulphur are covalently bonded.

The reaction of the formation of aluminum sulphate can be written as follows:

\(\rm 2Al + 3 SO_{4} \rightarrow Al_{2}(SO_{4})_{3}\)

Here, one mole of this compound is formed by 2 moles of Al and 3 moles of sulphate group. 3 moles of sulphate group contains 3 moles of S and 6 moles of O₂.

Then, 6 moles of Al₂ (SO₄)₃ contains 12 moles of Al, 18 moles of  S and 36 moles of oxygen gas.

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Answer:

Hopefully this helps!

Explanation:

In the Brewing Stand menu, you place ingredients in the top box and the potions are created in the bottom three boxes. To make a Potion of Strength (3:00), you will need 1 water bottle, 1 nether wart, and 1 blaze powder.

1.Acids taste sour , while bases taste bitter .

2.Milk of magnesia turns litmus blue

3. One mole of sulphuric acid would furnish 1 moles of SO42-, ions.

and 2 mole/s of H* ions and

4.Carbon dioxide(CO2) gas is produced when acids react with metal hydrogen carbonates.

5.Lime water turns milky on passing CO, gas due to the formation of Calcium carbonate .

6.The reaction between an acid and a base is known as neutralization reaction.

7.Bee sting injects Methanoic acid which causes severe pain and burning sensation.

8.In NH¼NO3 the acid radical is NO3^- and the basic radical is NH4^+

9.Chemically baking soda is Sodium bicarbonate

Answer:

1)This type of reaction is called thermal decomposition . Copper carbonate is green and copper oxide is black. You can see a colour change from green to black during the reaction. The carbon dioxide produced can be detected using limewater, which turns milky. 2) The extremely low pressure of the partial vacuum inside the can made it possible for the pressure of the air outside the can to crush it. A can is crushed when the pressure outside is greater than the pressure inside, and the pressure difference is greater than the can is able to withstand.

Explanation:

hope this helps you :)