Answer:
They move faster.
Explanation:
Considering air as our system
When energy is transferred to air, the internal energy of the system increases and this affects the motion of the particles constituting air.
according to the equation.

k = boltzman's constant
T= absolute temperature in kelvin
Also, Kinetic energy 
their velocity increases..
When the internal energy of the air particles increases, their temperature also increases.
This results in greater number of collisions between them and the sides of the container they are put in.
Hence, the pressure also increases, all these points indicate that particles of air move faster.
Answer:
Absorbs energy
Explanation:
As an electron in an atom moves from the ground state to the excited state, the electron absorbs energy.
Electrons moves around in permissible orbits around the nucleus of an atom.
- An electron in a certain energy level has a definite amount of energy associated with it at that level.
- When an electron in ground state absorbs energy, it moves to a higher energy level.
- When an electron in excited state loses energy, it moves to a lower energy level.
The transition of electrons from one level to another involves loss or gain of energy.
Answer: AlCl3
Explanation:
Aluminum is in group 13 and has a valency of 3. Chlorine is in group 17 and has a valency of 1. When a compound is formed, it reflects the valencies of each of the combining elements. This can be simplified by saying that the combining elements exchange their valencies. Cl gets 3 and All gets 1 forming a compound with the formula shown above.
There are several units for expressing energy, Most common are joules and kilocalories.
The conversion factor of joule to kilocalories is
1 kilo calorie = 4184 J
∴ x kilo calorie = 256 J
x =

kilo calories
Thus, 256 J = 0.0611 kilocalories
Answer:
C
Explanation:
Because 2 x n square gives the total energy level been absorbed = 2 x16
=32