CHEMISTRY HIGH SCHOOL

What term describes matter that is a substance made of different kinds of atoms bonded together?

Answers

Answer 1
Answer: compounds or molecules
Answer 2
Answer:

Answer:

The actual answer is compounds from the science notebook

Explanation:

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A sample of hydrogen gas is collected over water at 25°C. The vapor pressure of water at 25°C is 23.8 mmHg. If the total pressure is 523.8 mmHg, what is the partial pressure of the hydrogen?
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A metal, M, forms an oxide compound with the general formula M2O. In which group on the Periodic Table could metal M be found?(1) Group 1 (3) Group 16(2) Group 2 (4) Group 17
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Alcohol contains __________
a. ethanol.
b. gasoline.
c. opiates.

Answers

Answer:

Alcohol contains A. ethanol.

Explanation:

Alcohol beverages are drinks that contain more than a minimal amount of ethyl alcohol or ethanol. Ethanol is a chemical compound, considered the main type of alcohol. It is produced by grain fermentation and used as a solvent, as an additive to gasoline and as the intoxicating ingredient of beer, wine, distilled spirits and other beverages.

the answer is A. Ethanol. Ethanol is an active principal in alcoholic beverages

The process of splitting an atom into two nuclei with smaller masses is called _____. transmutation nuclear fission nuclear fusion chain reaction

Answers

the process of splitting an atom into two nuclei with smaller masses is called nuclear fission

Answer:  nuclear fission

Explanation:

Just did the test and got it right. :)

What Is a high-temperature physical state of matter in which atoms lose their electrons?

Answers

Answer:

A plasma.  

Step-by-step explanation:

A plasma is a hot, ionized gas in which the atoms have lost one or more of their electrons.

Thus, the plasma consists gaseous ions as well as the electrons that were stripped from them.

The Sun's high temperatures strip the electrons from its hydrogen and helium atoms, so the Sun is essentially a giant ball of plasma.

Which low-energy state of condensed matter is characterized by structural rigidity and resistance to changes of shape or volume?

Answers

Solid is the low energy state of condensed matter is characterized by structural rigidity

Final answer:

The low-energy state of condensed matter characterized by structural rigidity and resistance to shape or volume changes is the solid state. This is due to its atomic structure, where molecules are organized in a rigid lattice, allowing the solid to maintain its shape and resist deformation.

Explanation:

The low-energy state of condensed matter that is characterized by structural rigidity and resistance to changes of shape or volume is defined as a solid. Going back to its atomic structure, atoms in a solid are in close contact and the forces between them allow the atoms to vibrate but not to change positions with neighbouring atoms. Basically, this atomic regulation in a solid form leads to its characteristic rigidity and resistance to shape or volume alterations.

Molecules in a solid, unlike in a liquid or gas, are organized into a lattice formation and retain this pattern despite external forces. This allows the solid state to resist deformation, maintain its shape, and have fairly constant volume. The ability of solids to resist compression is also due to their lattice structure, where atoms are at a relatively fixed distance apart, and under compression, the atoms would be forced into one another.

Learn more about Solid State here:

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How many atoms are in 1.75 mol CHCL3

Answers

1 mol = 6.022 x 10²³ atoms

In order to find how many atoms, dimly multiply the amount of moles you have by 6.022 x 10²³ or Avogadro's number.

So you have 1.75 mol CHC1₃ x (6.022x10²³) = 1.05385 x 10²⁴ atoms of CHCl₃

But now you have to round because of the rules of significant figures so you get 1.05 x 10²⁴ atoms of CHCl₃

The bonds in BaO are best described ascovalent, because valence electrons are shared
covalent, because valence electrons are transferred
ionic, because valence electrons are shared
ionic, because valence electrons are transferred

Answers

In order to determine whether a bond is ionic or covalent, you need to know whether or not it is completely composed of nonmetal atoms or both metal and nonmetal ions.

Barium is a metal and Oxygen is a nonmetal, therefore there is no possible way they could bond unless they were attracted to opposite charges. Specifically, only if Barium becomes a cation and Oxygen becomes an anion then could they bond.

Now cation and anion both have the word "ion" in them, so therefore it must be an ionic bond.

Now we need to know the definition of a bond. A bond is formed when two elements are joined together by sharing their valence electrons.

Therefore, your answer should be:

Ionic, because valence electrons are shared.
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