Answer:
It is known that 1 mol of a molecule contains 6.023×1023 6.023 × 10 23 number of molecules. So, 0.25 moles of CO2 C O 2.
As the number of electrons added to the same principal energy level increases, atomic size generally
C. Decreases.
<span>Answer:
Hg2(NO3)2 + 2 NaCl --------> Hg2Cl2 + 2 NaNO3
Hg2+2 + 2NO3-1 + 2Na+ Cl- ----> Hg2Cl</span>
The data indicates a direct relationship with a positive slope.
<h3>What is direct relationship?</h3>
Direct relationship is a type of relation in which if one factor increases the other will also increases and vice versa. This data represents direct relationship because the increase occur in one value causes increase of another value so we can conclude that the data indicates a direct relationship with a positive slope.
Learn more about relationship here: brainly.com/question/25862883