When perfume is sprayed in a room the particles of perfume diffuse with the particles in the air.
Answer:
Option (2) 2
Explanation:
NO3- + 4H+ + Pb → Pb2+ + NO2 + 2H2O
The equation above can be balance as follow:
There are 3 atoms of the left side and a total of 4 atoms on the right side. It can be balance by putting 2 in front NO3- and 2 in front of NO2 as shown below:
2NO3- + 4H+ + Pb → Pb2+ + 2NO2 + 2H2O
Now the equation is balanced.
The coefficient of NO2 is 2
Iron, Ruthenium, Osmium, and Hassium.
They're transition metals
Answer:
80 kg
Explanation:
because the liquid with high boiling point is going to be collected the first
