Answer:
A correlation coefficient represents the following:
1- The direction of the relationship
2- The strength of the relationship
Answer:
Atoms are the most basic units of an element whereas molecules are atoms that are chemically bonded together.
Explanation:
- The atoms are made up of protons, neutrons, and electrons that are the basic constituents of matter.
- The atoms occur in nature as single or bonded.
- The inert gases are the atoms that they occur as the individual atoms in nature.
- All other atoms in nature are bonded to the same elements or different elements and form molecules.
- Hence, atoms are the most basic units of an element whereas molecules are atoms that are chemically bonded together.
Air caught in the ball of foil makes the ball less dense than water
I think the correct answer would be the first option. The process that would explain this phenomenon is convection. It is a mode of heat transfer which is a result of bulk movement of a substance due to the difference in density which is a result of the temperature of these substances. This transfer of heat is applicable to fluids. When the temperature of a fluid increases, the fluid expand thus decreasing its density. However, for a fluid which has a cooler temperature, it would contract resulting to a much higher density. Therefore, the warm fluid would rise up while the cooler fluid would sink below the warm fluid.
Answer:
(a) E = [2ξ] / [1+2]]
(b) S = k.ln(1+2) + [ξ] / T[1+2]]
(c) S = k.ln 3 (These values directly obtained from the result of (b) when T⇒0 & T⇒∞.)
Explanation:
Given:
One of three quantum states labeled by the quantum numbers m,
Where m = -1 , 0 or 1
A nucleus has the same energy E= e in the state m = 1 & m = -1
Compared with an energy E = 0 in the state m = 0.