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MArishka [77]
1 year ago
11

Thermal Energy and Kinetic Molecular Theory Quick Check

Chemistry
1 answer:
Zepler [3.9K]1 year ago
4 0

The Kinetic Molecular Theory is a  scientific model that states atoms in a compound are found in a constant state of motion (movement).

<h3>What is the Kinetic Molecular Theory?</h3>

The Kinetic Molecular Theory is a  scientific model that states atoms in a compound are found in a constant state of motion (movement).

Thermal energy refers to the movement of particles and therefore both concepts are interrelated.

In conclusion, the Kinetic Molecular Theory is a  scientific model that states atoms in a compound are found in a constant state of motion (movement).

Learn more about the Kinetic Molecular Theory here:

brainly.com/question/134712

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A mixture of nitrogen and neon gas is compressed from a volume of to a volume of , while the pressure is held constant at . Calc
Mamont248 [21]

Answer:

-266 kJ

Explanation:

There is some info missing. I think this is the original question.

<em>A mixture of nitrogen and neon gas is expanded from a volume of 53.0 L to a volume of 90.0 L, while the pressure is held constant at 71.0 atm. Calculate the work done on the gas mixture. Be sure your answer has the correct sign (positive or negative) and the correct number of significant digits.</em>

<em />

Given data

Initial volume = 53.0 L

Final volume = 90.0 L

Pressure = 71.0 atm

We can find the work (w) associated with the expansion of the gaseous mixture using the following expression.

w = - P × ΔV = - 71.0 atm × (90.0 L - 53.0 L) = -2.63 × 10³ atm . L

w = -2.63 × 10³ atm . L × (101.3 J/ 1 atm . L) = -2.66 × 10⁵ J = -266 kJ

The negative sign means that the system does work on the surroundings.

7 0
3 years ago
What parts of a circuit is a conductor?
netineya [11]

Answer:

copper

Explanation:

These are usually copper wires with no insulation. They make the path through which the electricity flows. One piece of the wire connects the current from the power source (cell) to the load

3 0
3 years ago
Why cant flame color determine the identity of an ion
AysviL [449]
The flame test is used to visually determine the identity of an unknown metal or metalloid ion based on the characteristic color the salt turns the flame of the bunsen burner 
6 0
3 years ago
When oxygen and aluminum form an ionic compound, what is the formula? (2 points)
dezoksy [38]
The answer is  D-al2O3
3 0
3 years ago
Read 2 more answers
A sample weighing 3.110 g is a mixture of Fe 2 O 3 (molar mass = 159.69 g/mol) and Al 2 O 3 (molar mass = 101.96 g/mol). When he
grandymaker [24]

Answer:

The mass fraction of ferric oxide in the original sample :\frac{723}{3110}

Explanation:

Mass of the mixture = 3.110 g

Mass of Fe_2O_3=x

Mass of Al_2O_3=y

After heating the mixture it allowed to react with hydrogen gas in which all the ferric oxide reacted to form metallic iron and water vapors where as aluminum oxide did not react.

Fe_2O_3(s)+3H_2(g)\rightarrow 2Fe(s)+3H_2O(g)

Mass of mixture left after all the ferric oxide has reacted = 2.387 g

Mass of mixture left after all the ferric oxide has reacted = y

x=3.110 g- y=3.110 g - 2.387 g = 0.723 g

The mass fraction of ferric oxide in the original sample :

\frac{0.723 g}{3.110 g}=\frac{723}{3110}

5 0
4 years ago
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