When elements combine to form compounds does there properties change?

Answers

Answer 1
Answer: Yes, they do. The process described is a chemical reaction and it implies the change of nature of reactants and, of course, the change of its properties.

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Water (H2O) and hydrogen peroxide (H2O2) are both clear liquids. Which description most accurately describes the relationship between water and hydrogen peroxide?A.
They are two different elements.

B.
They are two different compounds that include different elements.

C.
They are two different compounds that include the same elements in different arrangements.

D.
They are two different mixtures that include the same elements in different arrangements.

Answers

The answer to this question is C.

Answer:

Explanation:

Hydrogen peroxide

Hydrogen peroxide is a chemical compound with the formula H₂O₂. In its pure form, it is a very pale blue liquid, slightly more viscous than water. It is used as an oxidizer, bleaching agent, and antiseptic. Concentrated hydrogen peroxide, or "high-test peroxide", is a reactive oxygen species and has been used as a propellant in rocketry. Its chemistry is dominated by the nature of its unstable peroxide bond.

Chemical formula: H2O2

Density: 1.45 g/cm³

Boiling point: 302.36°F (150.20°C)

Average Molar mass: 34.01 g/mol

Melting point: 31.23°F (-0.43°C)

Legal status: Over-the-counter drug · Not evaluated by FDA

Water

Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients. Its chemical formula is H₂O, meaning that each of its molecules contains one oxygen and two hydrogen atoms, connected by covalent bonds. Two hydrogen atoms are attached to one oxygen atom at an angle of 104.45°.

Boiling point: 212°F (100°C)

Melting point: 32°F (0°C)

Chemical formula: H2O

Average Molar mass: 18.02 g/mol

IUPAC ID: Water

Cited sources

Hydrogen peroxide(wiki)

Water(wiki)

Other

So probably C or D i dont know

Sorry if it is wrong

Blank occurs when heat is transferred into an object through motion or movement an example would be boiling water

Answers

Conduction occurs when heat is transferred into an object through motion or movement


What happens when the kinetic energy of molecules increases so much that electrons are released by the atoms, creating a swirling gas of positive ions and negative electrons?

Answers

Explanation:

Plasma is a state of matter which is a hot ionized gas and it contains molecules with positive ions and negative electrons.

Since there is high kinetic energy of molecules so, there is swirling gas of positive ions and negative electrons. As a result, there will be release of electrons.

For example, lightening is an example of partially ionized plasma.

Final answer:

When molecules gain significant kinetic energy, their collisions may cause ionization, releasing electrons and forming a plasma, the fourth state of matter. Similar processes can be observed in devices like a Van de Graaff generator or in nature, such as in the sun.

Explanation:

When the kinetic energy of molecules increases significantly, it can cause a phenomenon known as ionization. Energy fueling these molecules increases their pace, effectively leading to collisions among themselves and increasing their speed even more. As these collisions grow in strength, they can cause electrons to be released or ejected, thereby transforming neutral atoms into ions.

Visualize this using the concept of a Van de Graaff generator, which uses a source of positive charge and a moving belt to create a spray of positive charge that achieves high velocities. In conditions of intense kinetic energy, such as those induced by high temperature or light intensity, similar processes occur at the atomic level: atoms, ions, and molecules move and collide, breaking old bonds, forming new ones, and sometimes releasing electrons in the process.

The existence of a gas containing both positively charged ions and negatively charged electrons in this state is often referred to as a plasma. Plasmas are common in extremely hot environments and are considered the fourth state of matter alongside solid, liquid, and gas. Examples of plasmas include the sun and the colorful lights you see in neon signs.

Learn more about ionization here:

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Water has a high (blank) which causes it to heat very slowly

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boiling point... i'm pretty sure

The planet we call Earth has how many main layers

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The layers of the Earth are the following:

outermost: crust
mantle
outter core
innermost: inner core

(that's 4 layers)

One can also divide them into smaller layers.

Find the volume of an object that has a mass of 20g and density of 184 glcm

Answers

Volume= Mass/ Density= 20/184
= 0.108 cubic cm