Weathering breaks down rock and other material
Mole number of 75 g is 0.4 mol. NO2 is 0.8 mol and is 36.8 g.
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Answer:
2 and 4 so B) II and IV
Explanation:
I false ... stirring speeds up the rate of dissolution because it increases surface area . II is true , III false ... heating up speeds up the rates of dissolution , IV is true .
Answer:
Option B
Explanation:
The name of the molecule is;
1,1,1,3,3,3-Hexachloropropanone
Now, we can see that it contains propanone which is also called acetone. So it will have a double bond with Carbon(C) and Oxygen (O).
Option B has that double bond between C and O that indicates it propanone or acetone.
Thus, it is the correct option.
