Chemistry Middle School

In a solid, the molecules are held together _____________ in their position.

A. Tightly

B. Loosely

C. Freely

D Gently

(is it tightly or gently??)
ik this is easy but can't decide

Answers

Answer 1
The answer is A. Tightly
Answer 2
The answer would be A. Tightly. Loosely would be in liquids since they have no defined shape or form.

To help remember solids are really hard so they have the tightly cram together

But I’m liquids they’re more free to do whatever they want as long as they are close

Hope this helps :)

Related Questions

200 mL of a 25% m/V solution were diluted to attain a concentration of 20.8% m/. How much water was added to the solution?

Answers

Answer:

2.3 M

Explanation:

sorry for it being 4 hours late lol

2.3m bcudjdjejejrjdhbdbdbdbdbd

Explain why stomach acid must be neutralized after it leaves the stomach.

Answers

Proper digestion in the stomach can only happen within a narrow pH range, and when we neutralize stomach acid, the domino effect is thrown off. Without adequate gastric acid, many vitamins, minerals, proteins, and amino acids cannot be absorbed.
That kay person is right I learned it in class and my teacher even said the same thing.

For one green bacterium, how many new cells will it form when it reproduces?
What will the color of each new cell be?

Answers

Answer: 2 and the color will be green.

Explanation: I did it in my head, I don't know how to explain but I hope this helped a bit. =)

2 new cells will form. Each new cell will be green

Can anyone explain the working of a centrifuge machine?
Thanks :)

Answers

Answer: they are used in various laboratories to separate fluids, gases, or liquids based on density. In research and clinical laboratories, centrifuges are often used for cell, organelle, virus, protein, and nucleic acid purification.

A centrifuge works by rotating at rapid speeds, thereby separating substances using the power of centripetal force The force applied can reach several hundred or several thousand times that of the earth's gravity

Explain why some gases are considered molecules but not compunds

Answers

Somes gases are considered molecules but not compounds because compounds are made up of atoms of different elements.

A molecule is made up of any two atoms together. A molecule consisting of atoms from various elements is referred to as a compound.

However, we can call all molecules compounds, but not all compounds molecules. Since hydrogen gas (H2) only contains one element, it is a molecule rather than a compound.

Two identical atoms can combine to form a molecule, as occurs when two oxygen atoms combine to form an oxygen molecule. All compounds, however, have two or more atoms of distinct kinds.

Example of molecules gases : Hydrogen gas (H2) Nitrogen gas (N2) Oxygen gas (O2) Chlorine gas (Cl2)

Example of compound gases : Ammonia NH3,

Methane CH4, Nitrous oxide N2O, Salt NaCl.

To know more about molecules & compounds click at https://brainly.com/question/25465587

Answer: Every combination of atoms is a molecule. A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds. Hydrogen gas (H2) is a molecule, but not a compound because it is made of only one element.

Explaination: All compounds are molecules, but not all molecules are compounds. That is because a molecule can be made up of two atoms of the same kind, as when two oxygen atoms bind together to make an oxygen molecule. However, all compounds are made up of two or more different types of atoms.

A thickness of a material is a factor that affects heat conductivity. Does heat flow faster through a thick or a thin piece of the same material?
The surface area of a material is a factor that affects heat conductivity. Does heat flow faster through a large surface area or through a small surface area? Why? (Hint: Think about the number of particles available to bump into one another).


Change in temperature is a factor that affects heat conductivity. Will heat flow faster when there’s a large change in temperature or a small change in temperature?

Answers

Answer: It would flow through a thin piece of material easier.

Explanation:

Answer:It would flow through a thin piece of material easier.

True or False:
water combines with hydrogen to make oxygen

Answers

The correct answer is true.
The Correct answer is true.

By looking at waters chemical formula, H20, you can see that two hydrogens combine with one oxygen to form water.

can someone help? I quite don’t understand thanks!

Answers

What parts do you not understand?
7 : h
12 : g
15: b
10:j
11:i
9:e
14:d
8:f

helping the best i can
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