Solid material whose atoms are arranged in a repeating pattern is ______

Chemistry

1 answer:

Alenkasestr [34]2 years ago

7 0

Answer:

crystal structure

Explanation:

A crystal structure is an ordered arrangement of atoms,ions or molecules in a regular repeating pattern,it is a form of solid state of matter and differs from liquid and gaseous states of matte in which the atoms or molecules are random or haphazard.

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A container of gas has a volume of 3.5 L and a pressure of 0.8 atm. Assuming the temperature remains constant, what volume of ga

strojnjashka [21]

Answer:

The correct answer is option A.

Explanation:

Initial volume of the gas = $V_1=3.5 L$

Final volume of the gas = $V_2=?$

Initial pressure of the gas = $P_1=0.8 atm$

Final volume of the gas = $P_2=0.5 atm$

Using Boyle's law:

$P_1V_1=P_2V_2$

$0.8 atm \times 3.5 L=0.5 atm\times V_2$

$V_2=5.6 L$

Hence,the correct answer is option A.

7 0

3 years ago

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The kinetic molecular theory states that all particles of an ideal gas are

Marizza181 [45]

THE KINETIC MOLECULAR THEORY STATES THAT ALL PARTICLES OF AN IDEAL GAS ARE IN CONSTANT MOTION AND EXHIBITS PERFECT ELASTIC COLLISIONS.

Explanation:

An ideal gas is an imaginary gas whose behavior perfectly fits all the assumptions of the kinetic-molecular theory. In reality, gases are not ideal, but are very close to being so under most everyday conditions.

The kinetic-molecular theory as it applies to gases has five basic assumptions.

Gases consist of very large numbers of tiny spherical particles that are far apart from one another compared to their size.
Gas particles are in constant rapid motion in random directions.
Collisions between gas particles and between particles and the container walls are elastic collisions.
The average kinetic energy of gas particles is dependent upon the temperature of the gas.
There are no forces of attraction or repulsion between gas particles.