what are the three particles of an atom

Answers

Answer 1

Answer: They are protons, neutrons and electrons.

Answer 2

Answer: They are proton nuetrons and electrons

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Which statement best explains the change that occurs when gas particles move more slowly

Answers

Answer:

Condensation/Sublimation

Explanation:

When gas particles move more slowly they're losing energy, which means it's changing state to either a solid or liquid.

Answer:

C) The temperature decreases because the average kinetic energy decreases.

Explanation:

EDGE 2022

DA gas has a volume of 4.00 L at 0 degrees Celsius. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if n and p do not change?A. 1.50 L
B. 1200 mL
C. 10.0 L
D. 50.0 mL

Answers

The final temperature is -170.625 degree Celsius ,-191.1 degree C, 409.5 degree C,-272.66 degrees Celsius .

What is Charle's Law ?

According to Charle's Law , For an Ideal Gas , the volume is directly proportional to temperature when no. of moles and Pressure remains constant.

It is given in the question that

A gas has a volume of 4.00 L

T = 0 degree Celsius = 273 K

T' = ? for each scenario

the volume of the gas = 1.5 l , 1200ml , 10 l , 50ml

if n and p do not change

$\rm (V_1)/(T_1) = (V_2)/(T_2)$

For V₂ = 1.5 l

4 / 273 = 1.5 / T₂

T₂ = 1.5*273/4

T₂ = 102.375 K = -170.625 degree Celsius

For V₂ = 1.2 l

4/273 = 1.2/T₂

T₂ = 81.9 K = -191.1 degree C

For V₂ = 10 l

4/273 = 10/T₂

T₂ = 682.5 K= 409.5 degree C

For V₂ = 50/1000= 0.005L

4/273 = 0.005/T₂

T₂ = 0.34125 K= -272.66 degree C

Therefore the final temperature in degrees Celsius has been determined.

To know more about Charle's Law

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D 50.O ML IS THE ANSWER

Which statement describes a physical change?a. A carton of milk souring
b. A piece of silver flatware tarnishing
c. Dry ice subliming into carbon dioxide
d. Two clear solutions forming a precipitate when mixed

Answers

The correct answer C. Dry ice subliming to carbon dioxide is an example of a physical change. This type of change is when only the appearance changed but the substance is still the same. It is the opposite of a chemical change where a new substance is formed from this change.

What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare 100.0 milliliters of a 0.50 M acetic acid solution?

Answers

To solve this we use the equation,

M1V1 = M2V2

where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the new solution and V2 is its volume.

2.5 M x V1 = 0.50 M x .100 L

V1 = 0.02 L or 20 mL

Answer:

20 milliliters

Explanation:

I don't cap

The chemical formula for aluminum hydroxide? is Al(OH)3. Which of the following is true about aluminum hydroxide?

Answers

Where are the choices?

Discuss the shapes of Nh3 and H2O on the basis of VESPER theory?

Answers

Answer:

Ammonia has 4 regions of electron density around the central nitrogen atom (3 bonds and one lone pair). These are arranged in a tetrahedral shape. The resulting molecular shape is trigonal pyramidal with H-N-H angles of 106.7°.

Explanation:

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