Rydberg formula is given by:
where, = Rydberg constant =
= wavelength
and
are the level of transitions.
Now, for = 2 and
= 6
=
=
=
=
=
=
=
Now, for = 2 and
= 5
=
=
=
=
=
=
Now, for = 2 and
= 4
=
=
=
=
=
=
Now, for = 2 and
= 3
=
=
=
=
=
=
Answer: The correct statements are:
Explanation:
The gravity of the earth is the force which attracts the object to the center of the earth. When the any object with mass falls under the action of the gravity attains the acceleration of 9.8 .
Answer:
1: At temperatures below 542.55 K
2: At temperatures above 660 K
Explanation:
Hello there!
In this case, according to the thermodynamic definition of the Gibbs free energy, it is possible to write the following expression:
Whereas ΔG=0 for the spontaneous transition. In such a way, we proceed as follows:
1:
It means that at temperatures lower than 542.55 K the reaction will be spontaneous.
2:
It means that at temperatures higher than 660 K the reaction will be spontaneous.
Best regards!