A teacher is discussing several scenarios in the topic of gas law s. Which of the following scenarios will the initial pressure be equal to the final pressure

The answer of this statement is false because partial charge occurs only on polar bonds.

I should write partial charges on any polar bond within a molecule, but not a molecule which whole is nonpolar because charge only occurs when the atom gains or loses electron.

So we can conclude that The answer of this statement is false because partial charge occurs only on polar bonds.

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Answer:

C. people rely on ecosystem services provided by intact ecosystems

Explanation:

:) Comment was correct! <3

Protecting and managing biodiversity resources is a crucial part of maintaining ecological harmony and ensuring the survival of species' future generations so that they can live long healthy lives. The correct option is C.

In order to stop the extinction of species, biodiversity should be protected. To keep nature in balance, it is conserved. Other organisms will suffer if one species in the food chain becomes extinct.

The systems that sustain all life on Earth, including humans, depend on biodiversity. We cannot have the healthy ecosystems that we depend on to give us the air we breathe and the food we consume without a diverse variety of animals, plants, and microorganisms.

Thus the correct option is C.

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Explanation:

Sol. 450 ml there is LiCl 200 g

Sol. 1000 ml there is LiCl 200/450×1000

= 444.44 g

Molar = g/molar mass = 444.44/42.394 = 10.48 M

Answer:

The value of pH is 3.5.

Explanation:

The value of pH is 3.5.

Answer:

a) Diffraction patterns possess a center of symmetry

Explanation:

During the replacement reaction of magnesium and hydrochloric acid MgCl₂ is produced with hydrogen gas.

Replacement reactions are those reactions in which one entity from the one of the reactant will replace by another entity for the formation of the product.

Balanced chemical reaction between magnesium and HCl will be represented as:

Mg²⁺  +  2HCl  →  MgCl₂  +  H₂

In the baove reaction magnesium displaces hydrogen atom from the acid molecule.

Hence MgCl₂ is produced in the reaction.

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The most common description of it is note Magnesium sulphate

There are 7 water molecules

So by heating

Answer:

See below ↓

Explanation:

Answer:

hope it helps you

[tex] 172c{m}^{2} [/tex]

Adam observed properties of four different waves and the sound quality of all of the waves can be compared.

Waves is the propagation system of any matter in the upside and downside direction from the mean position.

Quality of sound waves will be measured by using the decibel unit which gives idea about the intensity of the sound in terms of loudness. And intensity of the sound waves is also be calculated by using the frequency in the given table frequency and decibel unit of four waves are given.

So we are able to compare the sound quality of all given waves and image of table is attached below.

Hence the sound quality of all of the waves can be compared.

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Answer:

The Answer is B

Explanation:

Took it on Edge

Answer:

using a hot plate to boil water

Explanation:

the others require a chemical reaction to produce heat

Answer

no. of moles =

[tex] \frac{mass \: {g} \: }{ \: molecular \: wight} [/tex]

so, mass (g)= no. of moles × molecular wight

Explanation:

Li molecular wight equal to 6.941

mass (g)=3.29×104 mol ×6.941 =2374.93g of lithium

Answer:

KCIO

Explanation:

Answer:

The oxidation of organic compounds generally increases the number of bonds from carbon to oxygen, and it may decrease the number of bonds to hydrogen. Encyclopædia Britannica, Inc. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage.

Explanation:

i hope it was helpful

The Moon is able to fully cover the Sun during a solar eclipse because of its current orbit. One million years from now, this will change because the Moon is slowly moving ____________ from the Earth.

[tex] \\ [/tex]

The Moon is able to fully cover the Sun during a solar eclipse because of its current orbit. One million years from now, this will change because the Moon is slowly moving away from the Earth.

[tex]__________[/tex]

Because the Moon passes between Earth and the Sun during a solar eclipse, the Sun is fully hidden. Even though the Moon is much smaller than the Sun, it may entirely obscure the Sun's light from Earth's perspective because it is just the appropriate distance away.

The moon is slowly moving away from earth as  due to the effect of gravity of moon on the earth.

The moon is moving away from the earth due to the effect of it's gravity on earth.Tides which rise in the ocean  cause a drag and thus slow down the spin rate of earth.

This results in loss of angular momentum  which is compensated by the moon speeding up and thus moving away  from the sun. Due  to the moon's gravitational pull  there is production of tidal forces due to which earth's surface bulge out and cause rotation of the earth to loose momentum.Earth's rotation cause this tidal bulge  to occur in  a position which is  slightly ahead of moon in it's orbit around the sun.

As the moon moves away the orbital speed increases and earth's rotation slows down .

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Answer:

The main difference between isopropyl alcohol and rubbing alcohol is the concentration. The concentration of isopropyl alcohol is 100%, while the concentration of rubbing alcohol is less because of the addition of water. Otherwise, the two liquids have similar properties.

Explanation:

Hope this helps

The heat causes the sugar's atoms to combine with the oxygen in the air, forming new groups of atoms. Energy is released in this chemical reaction in the form of smoke and black soot.         hope this helps

Sugar is made of carbon, hydrogen, and oxygen atoms. When heated over a candle, these elements react with the fire to turn into a liquid. The heat causes the sugar's atoms to combine with the oxygen in the air, forming new groups of atoms. Energy is released in this chemical reaction in the form of smoke and black soot.

Answer:

With high electronegativity differences

Explanation:

For exam ple

Answer:

D -- A disease that must be reported to the CDC.

Explanation:

Answer:

A disease that must be reported to the CDC.

Explanation:

It has to reported to the goverment.

Answer:

2 C4H10     +  13  O2    ====>   8  CO2      + 10 H2O

Explanation:

Its balanced already

So

Mass of S

Answer:

With an increase in concentration, the number of atoms with the least required vitality will increase, and so the rate of the response will increase.

Explanation:

Answer:

1.37cm

Explanation:

It's less than 1.4cm but more than 1.3cm. It's also more than 1.35cm so I guess the best answer would be 1.37cm or round up to 1.4cm

Answer:

D) is the correct answer.

Explanation:

[tex]na2co3 - > na2o + co2[/tex]

Answer:

STP is Standard temperature and Pressure, which are o degrees C and 1.013 x 10^5 Pascals. At those values, one mole of any ideal gas occupies 22.41 litres.

Answer: Heyo Kenji Here! Here's your answer- The electricity that is conducted through copper wires in your home consists of moving electrons. The protons and neutrons of the copper atoms do not move. The actual progression of the individual electrons in a given direction through the wire is quite slow.

Explanation: Hope this helps!

Have a nice day!

- Kenji ^^

Answer:

New covalent bonds form between oxygen atoms and hydrogen atoms.

Explanation:

For example, when hydrogen gas, H2(g), is burned in the presence of gaseous oxygen, O2(g), a new substance, liquid water, H2O(l ), forms. The covalent bonds within the H2 molecules and O2 molecules break, and new covalent bonds form between oxygen atoms and hydrogen atoms (Figure 7.1).

I think it would lose its heat faster than the plastic bags because of higher conductivity feature.

Conduction is the process in which heat or electricity is transmitted or transferred through the material of a substance without movement of the material.

We know that metals are good conductors so we can conclude that it would lose its heat faster than the plastic bags bof higher conductivity feature.

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Answer:

stroma part of chloroplast

Explanation: