Map of structure of an Atom?

Answer:

a whole new world too be into

Explanation:

Answer:

Electronic conduction is the movement of electrons whereas ionic conduction is the movement of ions.

Explanation:

When a current arises from a flow of electrons, the conduction is termed as electronic conduction while on the other hand, for ionic conduction, the current results from the net motion of ions from one atom to another. The difference between electronic and ionic conduction is that electronic conduction refers to the movement of electrons from one region to another, whereas ionic conduction is the movement of ions from one atom to another during bond formation.

Answer:

Water doesn't have ions that are needed to pass the electricity so in order to increase the no of ions we poor acid into the water. Just increasing the no ions will increase the electricity flow faster

Answer:

the correct answer is 6...

Answer:

The answer is 2

Answer:

Explanation:

The pH of a solution can be found by using the formula

[tex]pH = - log ([ {H}^{+} ])[/tex]

From the question we have

[tex]pH = - log(9.2 \times {10}^{ - 8} ) \\ = 7.0362...[/tex]

We have the final answer as

Hope this helps you

Explanation:

This hot material rises to an area of lower pressure through the process of convection. Areas of lower pressure always have a lower melting point than areas of high pressure. This reduction in overlying pressure, or decompression, enables the mantle rock to melt and form magma.

There is no other feasible arrangement of “tetramethylbutane” it is redundant in this circumstance.

Tetramethylbutane, often known as hexamethylethane, is a hydrocarbon with the chemical formula C8H18 or (H3C-)3C-C(-CH3)3. It is the most branching and compact of the several octane isomers, as well as the only one having a butane (C4) backbone.

It has a highly symmetrical structure, a high melting point, and a narrow liquid range; in fact, it is the smallest saturated acyclic hydrocarbon that emerges as a solid at 25 °C. (Cubane, C8H8, is much smaller and solid at room temperature among cyclic hydrocarbons.) It is also the most stable C8H18 isomer, with a lower heat of formation of 4.18 kcal/mol (17.5 kJ/mol) than n-octane, which has been related to dispersive interactions (electron correlation) between the methyl groups (protobranching).

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Answer:

66.48 g.

Explanation:

Bauxite ore contains aluminium oxide which is decomposed using electricity to produce aluminium metal and oxygen gas

Answer:

10.52g KOH

Explanation:

250.0 ml X 1L/1000ml X 0.75 mol KOH/1L X 56.105gKOH/1 mol KOH =10.52g KOH

Answer:

air pollution, groundwater pollution, soil fertility

Answer:air pollution

Explanation:

its a gas, so it will mainly effect the air

If the volume of the balloon was 4.21L when the temperature was 25.0°C, 8.42L will be the volume of the balloon be when the temperature is 50.0°C. if Mass and pressure is constant.

Hence, in the above case it is shown that temperature is rising twice of its original value so, the volume of that given mass of gas in the balloon will also increase by twice.

Solution:

4.21L=25.0°C

4.21L×2=50.0°C

8.42L=50.0°C

8.42L will be the volume of the balloon be when the temperature is 50.0°C.

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A change in the size of the moon jellies' resource population can change the number of births in the moon jelly population because the big size of the resources can produce more births.

When there is more energy storage molecules present in the moon jellies, they can reproduce more, in more births. Fewer deaths would also lead to the jelly population increasing. The sea turtle population, and the moon jellies consumer population is also decreased.

There must be a change to the birth rate or the death rate in the moon jelly population. Within a population, organisms are born and dying continuously. If the number of births and deaths in a given time interval are equal, then the population size will remain stable.

So we can conclude that a large population of resources will lead to more births.

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Answer:

9 times Avogadro's number, because there are a total of 9 oxygen atoms in the copper sulfate hydrate being considered: 4 from the sulfate

Explanation:

Answer:

empirical formula of the compound is CH2O

Explanation:

the correct answer is True

Answer:

40.10 atm. is answer i think ....

Answer:

(1) 4- ethyl -6 methyl -2 octyne

it reflects back into the glass with a 45 degree angle of reflection.

The direction of the light changes as it passes through the air-water barrier. Refraction is the name for this phenomenon. Filling a glass with water and inserting a straw will make it simple to see. It will seem as though the straw is shattered.

Because light travels at a different speed in air and water, refraction takes place. The electromagnetic properties of a specific medium, which differ for air and water, determine the speed at which a light wave propagates in that medium. The speed of light in the air is very near to the vacuum's speed of light, which is 3*108 m/s. The speed of light is slower underwater. Consequently, The direction of the light changes as it passes through the air-water barrier. Refraction is the name for this phenomenon. Filling a glass with water and inserting a straw will make it simple to see. It will seem as though the straw is shattered.

A form of break occurs in the wavefront of propagating light when it encounters the air-water barrier, causing the ray of light to diverge from its original path. (Please go to the reference link for a more thorough explanation and instructions on how to calculate the light's refraction angle.)

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The temperature of both the reactants and the pace of reaction are correlated in the chemical reaction of baking soda and vinegar the warmth of the reactants causes a raise in the rate of action and vice versa.

When two or more compounds come into touch with one another and create a new substance, the process is known as a chemical reaction (s). Reactants or reagents are the name(s) for the substance(s) or substances that are initially incorporated into the chemical process.

A few synthesis processes can produce several products. One of the more significant chemical processes on Earth is photosynthesis. It enables some microorganisms and plants to transform carbon dioxide gas and water into storable glucose and oxygen. For life to exist on Earth, we need this oxygen.

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Answer: 1s2 2s2 2p4

Explanation:

Recall the number of electrons an orbital can have:

s orbitals have 2, p orbitals have 6, d orbitals have 10, f orbitals have 14, and so on.

Oxygen in its neutral state would have 8 electrons.

To summarize the diagonal filling order, it goes from the least energy level to the most, and the orbital with the least amount of orbitals to the most.

So, the order for this will go from 1 and end at 2 (for energy level,) then s, s again (as energy level 1 has 1s orbital only,) and p.

So, the first energy level, 1s2 (2 electrons), leaves the remaining six electrons.

Completely fill the s orbital (another 2 electrons), and the remaining 4 electrons will be in the respective p orbital.

Thus, it is 1s2 2s2 2p4.

Answer: The new pressure is 280 kPa.

Explanation:

Given: [tex]V_{1}[/tex] = 400.0 mL,      [tex]T_{1} = 20^{o}C[/tex] ,       [tex]P_{1}[/tex] = 70.0 kPa

[tex]V_{2}[/tex] = 200.0 mL,        [tex]T_{2} = 40.0^{o}C[/tex],        [tex]P_{2}[/tex] = ?

Now, combined gas law is used to calculate the new pressure as follows.

[tex]\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}[/tex]

Substitute the values into above formula as follows.

[tex]\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}\\\frac{70.0 kPa \times 400.0 mL}{20^{o}C} = \frac{P_{2} \times 200.0 mL}{40.0^{o}C}\\P_{2} = 280 kPa[/tex]

Thus, we can conclude that the new pressure is 280 kPa.

The amount, in grams, of carbon required to produce 14 moles of methane according to the reaction would be 168.0 grams.

From the balanced equation of the reaction, the mole ratio of the carbon that reacts and the methane produced is 1:1. In other words, 1 mole of carbon will produce 1 mole of methane.

Thus, for the production of 14 moles of methane:

1 mole methane = 1 mole carbon

14 moles methane = 14 x 1/1 = 14 moles carbon.

Recall that, mass = mole x molar mass.

The molar weight of carbon is given as 12 g/mol

Mass of 14 moles carbon = 14 x 12 = 168 grams

In other words, for the illustrated reaction, the amount of carbon required to produce 14 moles of methane would be 168.0 grams.

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Explanation:

Please provide the chemical reaction to allow others to help solve this problem. Assuming the system is in STP, then use the molar volume to solve for the moles of Oxygen and then use the mole ratio to determine the moles of NO2 that is produced as a result of this reactant

Answer:

false

because you can't change a subscript ,

but you can change the coefficient.

Answer: A cold compress used by  athletes is an endothermic reaction.

Explanation:

A pack of cold compress used by athletes contains water that holds another bag or tube inside it which is filled with ammonium nitrate fertilizer.

So, on hitting the cold compress the tube breaks down due to which fertilizer gets mixed with water. This mixture absorbs the heat when placed on the area of body having pain, strain or bump.

As a result, we tend to feel cold at the affected area of our body.

Thus, we can conclude that a cold compress used by  athletes is an endothermic reaction.

Answer:

hope it is helpful to you

Answer:

[tex] \sf { \fcolorbox{green}{g}{\: the diffrence between alkali and base in simple defination are:}} [/tex]

Answer:

N atom ( bounded to two Nitrogen atoms ) has a +  formal charge while the N atom bounded to only one (1) Nitrogen atom has a - formal charge .

Explanation:

Diagram Lewis structure of methyl azide ( attached below )

Generally CH3N3 has two(2) resonance structures

What is found in both structures is that the N atom ( bounded to two Nitrogen atoms ) has a +  formal charge while the N atom bounded to only one (1) Nitrogen atom has a - formal charge .

Attached below are the two resonance structures