Answer:
<u>A. solid and gas</u>
Explanation:
It is called sublimation point
<h2>
Answer:</h2>
<h2>The correct option is:</h2>
<h3>D. Actions of Electrons</h3>
<h2>
Explanation:</h2>
<h3 /><h3>Bonds are formed when valence electrons, the electrons in the outermost electronic “shell” of an atom, interact. </h3>
<h2>Hope it help you </h2>
Answer:
Given : No. Of moles = 1.5
To calculate : no. Of molecules =N
We know that moles = N / 6.022 x 10²³
Therefore, 1.5 x 6.022 x 10²³ = N
Hence N = 9.0330x 10²³ molecules
Rusting of iron is the most familiar example of corrosion. It is a process in which an iron reacts with atmospheric oxygen and moisture to form a reddish brown substance iron oxide, which is commonly known as rust.
Moles= number of molecules/Avogadro’s constant
(3.8 x 10^24) /(6.02 x 10^23)
=6.31229..
Volume=moles*24(molar gas volume under STP)
= 6.31229...*24
= 151.5 dm^3 (units mainly used in the UK)
=. 151.5 litres
