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alekssr [168]
3 years ago
9

WebQuest: Solids, Liquids, and Gases In this WebQuest, you will use the States of Matter interactive to explore similarities and

differences among the particle motion of solids, liquids and gases. Part I: How do particle arrangements and motions differ for solids, liquids, and gases
Chemistry
2 answers:
4vir4ik [10]3 years ago
7 0

Answer:

<u>Arraignment </u>

Gas- (or vapor). Has an unstable shape or volume, it takes the shape or volume of its container. Gas can be compacted into a smaller container or expanded to fit a large container.

Liquid- The volume of liquid is independent from its container, but the shape of the liquid is container- dependent.

Solid- Solid matter has a definitive shape and volume.

<u>Motion </u>

Gas- Gas molecules move at a high velocity and are far apart, and they are constantly colliding with each other and the walls of the container. When gas molecules are compacted into a smaller container their frequency increases, due to the decreased distance between the molecules.

Liquid- Liquid molecules are crammed close together, but are able to move swiftly causing the molecules to glide over one another, as a result liquid pours easily.

Solid- Solid molecules are arranged in a definite position, thus held tightly together. The molecules can only wiggle slightly, but stay fixed in their position

Explanation: To convert from one state of matter to another, one needs to change the temperature or pressure.

stiks02 [169]3 years ago
5 0

Answer:

Explanation:(differences)SOLIDS have maximum intermolecular attraction and fixed shape so their particles are stable. LIQUIDS have small particles and are tightly held by molecular bond but not as tight as solid. liquid assume the shape of their container.GAS has free movement of particles...SIMILARITIES.. Liquid,solid and gases can be kept in containers...

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Borax (na2b4o7·10h2o; fw = 381.372 g/mol; density = 1.73 g/ml), a primary standard, was used to standardize a solution of hno3.
SashulF [63]
<span>0.06355391 mol The balanced equation for the reaction is Na2B4O7*10H2O + 2 HNO3 = 2 NaNO3 + 4 H3BO3 + 5 H2O So for each mole of Borax to neutralize, it takes 2 moles of HNO3. Calculate number of moles of Borax 0.2619 g / 381.372 g/mol = 0.0006867 mol Moles of HNO3 used = 0.0006867 mol * 2 = 0.0013734 mol Molarity is defined as moles per liter so divide the number of moles used by the volume in liters. So 0.0013734 / 0.02161 = 0.06355391 mol</span>
3 0
4 years ago
Consider the following statements about weeding and identify the incorrect one.
dolphi86 [110]

Answer:

b) Weeding is the process of growing weed

Explanation:

Wedding is an agricultural process carried out to ensure maximum you won't do. It is the process by which weeds i.e. unwanted plants are removed.

As rightly stated in the question;

- Weeding is either done by manual means e.g Cutlasses or use of weedicides, which are chemicals.

- Weeding is best done during tiling operations.

The incorrect option is that "Weeding is the process of growing weed" rather it is a process of removing weed.

4 0
3 years ago
Percent composition of Mg(OH)2​
LuckyWell [14K]

Answer:

The composition of Mg(OH)2 is

41.67 % Mg,

54.87 % O

3.457 % H

Explanation:

Thats the percent composition for each one in your question

4 0
2 years ago
Read 2 more answers
Determine if the electron configurations are valid or invalid
Hunter-Best [27]

Answer:

1) A (valid)

2) B (Invalid)

3) B (Invalid)

4) A (valid)

5) B (Invalid)

6) B (Invalid)

Explanation:

Electronic configuration:

The electronic configuration is the arrangnment of electrons in orbitals (s, p, d, f, g, h so on) according to quantum  number and Aufbau rule.

An atom of element have orbitals, and electrons are revolving in it.

There are quantum numbers that describe the number of electron in specific shell.

The Principle quantum number is denoted by "n" and can not be "0".

These "n" is K, L, M, N and electrons are distribution in it.

K =2

L= 8

M= 18

According to Aufbau electron occupied in the lowest energy level before occupying the highest energy level.

According to this the electronic configuration is

1s², 2s², 2p⁶ and so on....

So,

"s" orbital accommodate maximum of 2 electrons

"p" orbital accommodate maximum of 6 electrons

"d" orbital accommodate maximum of 10 electrons

"f" orbital accommodate maximum of 14 electrons

and the coefficient 1, 2, 3, 4 are energy level of orbitals.

The 1st orbital is 1s and it only can occupy 2 electrons the next coming electron goes into 2s that also can occupy 2 electrons and the further electrons will go to 2p orbital.

So keeping in mind all above details we investigate all option one by one

1.  A (valid)

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁵

This is valid option. number of electrons are rightly accommodated in orbitals. Also 3d is higher energy level than 4p.

______________

2.  B (Invalid)

1s², 2s², 2p⁶, 3s², 3p⁷

This is invalid option. number of electrons are not rightly accommodated in orbitals as "p" orbital can only accommodate 6 electrons and not more than 6.

________________

3.  B (Invalid)

[Xe], 7s², 6d¹, 5f⁸

This is Invalid option. Number of electrons are not rightly accommodated in orbitals. There should 5f orbital before 6d.

______________

4.  A (valid)

[Kr] 5s², 4d¹⁰, 5p⁵

This is valid option. number of electrons are rightly accommodated in orbitals.

______________

5.  B (Invalid)

[He]--

This is invalid option. There is no exact explanation of electron distribution in orbitals.

______________

6.  B (Invalid)

1s², 2s², 2p⁶, 3s³, 3p⁶, 4s², 3d¹⁰, 4p⁶, 5s--

This is invalid option. number of electrons are not rightly accommodated in orbitals. As "s" can accommodate only 2 electrons not 3 electrons. also there is no details of 5s

______________

4 0
3 years ago
Does eating right before bedtime cause people to dream more or less?
myrzilka [38]

Answer:

A pre-bedtime snack can increase your metabolism, which causes the brain to become more active and can possibly lead to nightmares. If you notice that you have more bad dreams after having a late-night bite, make a goal not to snack after dinner, or at least to avoid heavy meals right before bed.

8 0
3 years ago
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