______________ is the ability to transfer heat?

1) Electrical conductivity
2) Thermal conductivity
3) Ductility
4) Malleability

Answer:

The answer to your question is 15

Answer:Conservation laws are fundamental to our understanding of the physical world in that they describe which processes can or cannot occur in nature.

Explanation: An important function of conservation laws is that they make it possible to predict the macroscopic behaviour of a system without having to consider the microscopic details of the course of a physical process or chemical reaction.

Answer:

Liquids take on the shape of their container. The liquid state of matter is an intermediate phase between solid and gas. Like the particles of a solid, particles in a liquid are subject to intermolecular attraction; however, liquid particles have more space between them, so they are not fixed in position.

Explanation:

Answer:

# of neutrons

Explanation:

its how isotope is defined

We can actually deduce here that writing an article for the student newspaper about a high-speed space craft launch system that uses magnets is seen here:

Using Magnets to Launch a High-speed Space Craft

There has been a search by NASA to access space more efficiently, safely and in a less expensive way. This is why the advancement of technology is needed in  the spacecraft industry.

The use of magnets to propel and project spacecrafts into space is highly needed.

This can be achieved with the technology known as the Magnetic Launch Assist. This system is actually known to use the Magnetic levitation system. The system will levitate and accelerate to actually launch a vehicle along a track. It will propel it at a high speed before it leaves the ground. The Magnetic Launch Assist system will use electricity and magnetic fields. It will drive a spacecraft along a track until a desired speed is reached.

A spacecraft is actually known to be a vehicle that is designed to move in space. Spacecraft help to reach space in order to plant satellites and communication technologies.

It also help in planetary exploration and meteorological studies.

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Answer:  A. solid, compound

Explanation:

Because copper sulphate is a compound and it is a blue solid powder

Hope that help :)

Answer:

Sand has a melting point of 1550

Salt has a melting point of 1474

Copper Chloride has a melting point of 928.4

Sugar has a melting point of 366.8

Based on this information I am sure you can determine sugar has the lowest melting point

A potassium atom's ground state electron configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 4s1.

An atom's electron configuration is a picture of how electrons are arranged in relation to orbital shells and subshells. Consequently, this is potassium's electron configuration.

Making Electron Configurations in Writing. Write the energy level (the period) first, then the subshell that needs to be filled, and finally the superscript, which indicates how many electrons are in that subshell. The atomic number, Z, is the sum of all the electrons.

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Answer:

s1 to GS as the amount of energy required to remove the electron is greatest when it is closest to the nucleus.

Explanation:

Fun facts:

When the electron changes levels, it decreases energy and the atom emits photons. The photon is emitted with the electron moving from a higher energy level to a lower energy level. The energy of the photon is the exact energy that is lost by the electron moving to its lower energy level.

Answer:

The answer is: S.1 to G.S

Hope this helpss :) <3

Explanation:

True. It would take more energy to boil water( which is polar) than to boil a liquid made of non-polar molecules.

Thus we can conclude that it takes more energy to boil water than to boil a liquid made of non-polar molecules.

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Protease is considered a proteolytic enzyme, which breaks down proteins into their amino acids by hydrolysis.

An enzyme is defined as the biological protein which is used to speed up biochemical reactions in the body cells.

There are various types of enzymes and they include the following:

The protease is an example of proteolytic enzyme that helps in the break down of protein molecules into smaller molecules called amino acids by a chemical process called hydrolysis.

Hydrolysis is defined as the chemical reaction whereby water reacts with a substance to lead to its decomposition.

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When dealing with molecular symmetry, it is important to consider the group of symmetries associated with the molecule. In this case, the molecule is nicn4, which belongs to the point group D4h.

To write out a reducible representation for the group of four ligand orbitals, we need to first consider the irreducible representations that make up this group. The D4h point group has 8 irreducible representations: A1g, A2g, B1g, B2g, E1g, E2g, E1u, and E2u.

In order to determine the reducible representation for the four ligand orbitals, we need to consider the symmetry operations that leave the ligand orbitals invariant. There are several symmetry operations that leave the ligand orbitals unchanged, including the identity operation (E), a C4 rotation, two C2 rotations, and two reflections.

Using character tables, we can determine the character of each symmetry operation for each irreducible representation. Once we have determined the character for each symmetry operation, we can add them up to determine the reducible representation for the group of four ligand orbitals.

The reducible representation for the four ligand orbitals is (4A1g + 2B1g + 2B2g). To decompose this into its component irreducible representations, we can use the orthogonality theorem. By taking the inner product of the reducible representation with each irreducible representation, we can determine the coefficient for each irreducible representation.

Using this method, we find that the four ligand orbitals decompose into the irreducible representations A1g, B1g, and B2g. Specifically, the decomposition is (4A1g + 2B1g + 2B2g) = 4A1g + 2B1g + 2B2g.

In summary, by considering the symmetries associated with the nicn4 molecule and the character tables for the D4h point group, we were able to determine the reducible representation for the group of four ligand orbitals and decompose it into its component irreducible representations.

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Answer:

It has a thick atmosphere which causes extremely high temperatures.

Explanation:

Answer:

Mass of barium nitrate needed = 25.74 g

Explanation:

Given data:

Molarity of solution = 0.197 M

Volume of solution = 500 mL (500 mL× 1 L /1000 mL = 0.5 L)

Mass of barium nitrate needed = ?

Solution:

Molarity = number of moles of solute / volume in L

0.197 M = number of moles of solute / 0.5 L

Number of moles of solute = 0.197 mol/L ×0.5 L

Number of moles of solute = 0.0985 mol

Mass of barium nitrate:

Mass = number of moles × molar mass

Mass = 0.0985 mol × 261.32 g/mol

Mass = 25.74 g

Answer:

B. Conduct electricity and D. Are malleable

Explanation:

Edge 2020 :)

Answer:

b and d on edge

Explanation:

edge 2021

give thanks please

Answer:

A: 2.525 x 10-4 mol

B: 2.583 x 10-4 mol

Explanation:

Part A:

Data Given:

. Temperature of water (H2O) = 21.3°C

Convert Temperature to Kelvin

T = °C + 273

T = 21.3 + 273 = 294.3 K

volume of (H2O) gaseous state = 5.1 mL

Convert mL to liter

1000 mL = 1L

5.1 ml = 5.1/1000 = 0.0051 L

Pressure = 1.2 atm

. no. of moles = ?

Solution

no. of moles can be calculated by using ideal gas formula

PV = nRT

Rearrange the equation for no. of moles

n=PV/RT......... (1)

where

P = pressure

V = Volume

T= Temperature

n = Number of moles

R = ideal gas constant

where

R = 0.08206 L.atm/ mol. K

Now put the value in formula (1) to calculate no. of moles of

n = 1.2 atm x 0.0051 L / 0.08206 L.atm.mol-1. K-1 x 294.3 K

n = 0.0061 atm.L / 24.162 L.atm.mol-1

n = 2.525 x 10-4 mol

no. of moles of gas (H2O) = 2.525 x 10-4 mol

Part B:

Data Given:

Temperature of water (H2) = 21.3°C

Convert Temperature to Kelvin

T = "C + 273

T= 21.3 + 273 = 294.3 K

volume of (H2) gas = 5.2 mL

Convert mL to liter

1000 mL = 1 L

5.2 ml = 5.2/1000 = 0.0052 L

Pressure = 1.2 atm

. no. of moles = ?

Solution

no. of moles can be calculated by using ideal gas formula

PV = nRT

Rearrange the equation for no. of moles

n= PV / RT......... (1)

where

P = pressure

V = Volume

T= Temperature

n = Number of moles

R = ideal gas constant

where

R = 0.08206 L.atm/mol. K

Now put the value in formula (1) to calculate no. of moles of

n = 1.2 atm x 0.0052 L/0.08206 L.atm.mol-1. K-1 x 294.3 K

n = 0.0062 atm.L/ 24.162 L.atm.mol-1

n = 2.583 x 10-4 mol

I

no. of moles of gas (H2) = 2.583 x 10-4 mol

Answer:

nitric acid + iron=iron+[nitric acid ] 2 hydrogen

The net ionic equation will be Fe → \(Fe^{2+}\).

The net ionic equation would be a chemical equation which only indicates the elements, compounds, as well as ions instantly involved in a chemical reaction.

The given chemical equation is:

HNO3+Fe → Fe(HNO3)2 +H2​

It can be written in term of ionic equation.

\(H^{+}\) + \(NO_{3}^{-}\)+Fe → \(Fe^{2+}\) + \(H^{+}\) + \(NO_{3}^{-}\)

Hydrogen ion and nitrate ion will be canceled each other.

Hence, the net ionic equation will be

Fe → \(Fe^{2+}\)

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Answer:

Explanation:

The correct answer is

energy resulting from the flow of charged particles , such as electrons or ions.

hope it helps :)

The mass of copper (II) hydroxide that is dissolved within the solution in the beaker is approximately 2.44 grams, calculated using the given concentration of the saturated solution and the volume of the solution taken.

The mass of copper (II) hydroxide that is dissolved within the solution in the beaker can be calculated using the given concentration of the saturated solution and the volume of the solution taken.

The concentration of the saturated solution is given as 1.0 mol/L.

The volume of the solution taken is 25 mL of the solution.

Convert the volume from mL to L by dividing it by 1000.

25 mL ÷ 1000 = 0.025 L

Use the concentration and volume to calculate the amount of copper (II) hydroxide in moles.

1.0 mol/L × 0.025 L = 0.025 mol

Use the molar mass of copper (II) hydroxide to convert moles to grams.

The molar mass of copper (II) hydroxide is 97.56 g/mol.0.025 mol × 97.56 g/mol ≈ 2.44 g.

Therefore, the mass of copper (II) hydroxide that is dissolved within the solution in the beaker is approximately 2.44 grams.

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Answer:

the ice starts melting and turns into water

The main active ingredient or reducing agent in alkaline perms is Glycerol monothioglycolate (GMT).

alkaline perms are a type of hair treatment used to permanently change the structure of the hair. The main active ingredient or reducing agent in alkaline perms is Glycerol monothioglycolate (GMT). GMT is a chemical compound that helps break the disulfide bonds in the hair, allowing it to be reshaped and set into a new form.

GMT is commonly used in alkaline perms due to its ability to effectively reduce the disulfide bonds at a higher pH level. Alkaline perms typically have a pH level between 9 and 10, which helps to open up the hair cuticles and allow the GMT to penetrate the hair shaft.

Once the disulfide bonds are broken, the hair can be reshaped and then neutralized to reform the bonds in the new desired shape.

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The main active ingredient or reducing agent in alkaline perms is actually thioglycolic acid or its derivative, ammonium thioglycolate.

It is essential to the perm process, by dissolving the disulfide bonds in the hair. The strength and natural structure of the hair is provided by these connections. Thioglycolic acid acts as a reducing agent when applied to the hair, causing disulfide bonds to be broken and the hair to be rebuilt and reshaped.

Permanent waves or curls can be created using this process. To prevent damage to the hair or scalp, it is important to handle these chemicals carefully and according to the correct safety precautions.

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Your question is incomplete, most probably the complete question is:

The main active ingredient or reducing agent in alkaline perms is ______________

Answer:

\(T1=166.66K\)

Explanation:

According to Gay-Lussac’s law simply states that the ratio of the initial pressure and temperature is equal to the ratio of the final pressure and temperature for a gas of a fixed provided that the mass is kept at a constant volume.

Given:

Initial pressure, P1 = 1 atm

Final pressure, P2 = 1.5 atm

Final temperature, T2 = 250 K

The law can be applied using the below formula

P1T2 = P2T1

Then,

T1 = (P1T2)/P1 = (1*250)/(1.5) = 166.66 Kelvin.

\(T1=166.66K\)

:

Answer:

\(T_1=166.7K\)

Explanation:

Hello,

In this case, by applying the Gay-Lussac's law which help us to understand the pressure-temperature gas behavior via a directly proportional relationship:

\(\frac{P_1}{T_1} =\frac{P_2}{T_2}\)

In such a way, as we are asked to compute the initial temperature knowing the initial pressure and final both temperature and pressure, so we solve for it:

\(T_1=\frac{T_2P_1}{P_2}=\frac{250K*1atm}{1.5atm} \\\\T_1=166.7K\)

Best regards.

The balanced net ionic equation for the reaction in the given case is: Pb(s) + 2 Ag+(aq) -> Pb2+(aq) + 2 Ag(s)

In the given reaction, a galvanic cell is set up with two half-cells. The left half-cell consists of a solid lead (Pb) electrode in a solution of lead(II) nitrate (Pb(NO3)2), while the right half-cell consists of a silver nitrate (AgNO3) solution with a silver (Ag) electrode.

The vertical lines indicate the phase boundaries, and the double vertical line represents the salt bridge.

In the anode half-cell (left), lead metal (Pb) undergoes oxidation and loses two electrons to form lead(II) ions (Pb2+):

Pb(s) -> Pb2+(aq) + 2e-

In the cathode half-cell (right), silver ions (Ag+) from the silver nitrate solution are reduced and gain two electrons to form solid silver (Ag):

2 Ag+(aq) + 2e- -> 2 Ag(s)

The balanced net ionic equation is obtained by canceling out the electrons on both sides and writing the overall reaction:

Pb(s) + 2 Ag+(aq) -> Pb2+(aq) + 2 Ag(s)

This represents the transfer of electrons from lead to silver, resulting in the reduction of silver ions and the oxidation of lead metal.

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Answer:

Carbon monoxide (CO) is not a greenhouse gas because it does not trap heat in the Earth's atmosphere.

Explanation:

Answer:

Carbon monoxide (CO) is not a greenhouse gas.

Carbon monoxide is a colorless, odorless, poisonous gas, CO, that burns with a pale-blue flame, produced when carbon burns with insufficient air: used chiefly in organic synthesis, metallurgy, and in preparation of metal carbonyls, as nickel carbonyl.

Water vapor is a dispersion, in air, of molecules of water, especially as produced by evaporation at ambient temperatures rather than by boiling.

The chemical compound with the formula CH4 is methane, a hydrocarbon and primary component of natural gas. It is used in the manufacture of plastics and other commercially important organic chemicals. Methane is also a greenhouse gas that affects the earth's temperature and climate system.

Any of the gases whose absorption of solar radiation is responsible for the greenhouse effect, including carbon dioxide, methane, ozone, and the fluorocarbons.

The Greenhouse Effect is an atmospheric heating phenomenon, caused by short-wave solar radiation being readily transmitted inward through the earth's atmosphere but longer-wavelength heat radiation less readily transmitted outward, owing to its absorption by atmospheric carbon dioxide, water vapor, methane, and other gases; thus, the rising level of carbon dioxide is viewed with concern.

Answer:

Sedimentary rocks like bituminous coal, limestone, and sandstone, given enough heat and pressure, can turn into nonfoliated metamorphic rocks like anthracite coal, marble, and quartzite. Nonfoliated rocks can also form by metamorphism, which happens when magma comes in contact with the surrounding rock

Explanation: THEREFORE I'D SAY TRUE!

Answer:

A covalent bonds form when the difference between the electronegativity of two atoms is too small for an electron transfer to occur to form ions

Refer to the attachment

2 moles of ammonia and 2.5 moles of oxygen gas will produce 2 moles of nitric oxide and 3 moles of water.

The reaction between ammonia (NH3) and oxygen gas (O2) to produce nitric oxide (NO) and water (H2O) is shown below:4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)The balanced equation shows that 4 moles of ammonia react with 5 moles of oxygen gas to produce 4 moles of nitric oxide and 6 moles of water. To determine the amount of products formed when a certain amount of reactants is used, we need to use stoichiometry.Suppose we react 2 moles of ammonia with 2.5 moles of oxygen gas. From the balanced equation, we can see that the ratio of moles of ammonia to moles of oxygen gas is 4:5. Therefore, ammonia is the limiting reagent because only 2 moles of ammonia are available, which is not enough to react with 2.5 moles of oxygen gas.To determine the amount of products formed, we will use the mole ratio from the balanced equation:4 moles NH3 : 5 moles O2 : 4 moles NO : 6 moles H2O2 moles NH3 is equivalent to (5/4) × 2 moles O2 = 2.5 moles O2So, 2 moles NH3 + 2.5 moles O2 → 2 moles NO + 3 moles H2O.The number of significant digits in the answer will depend on the number of significant digits in the given amounts of reactants.

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