Answer:
0.02 tons of NO produced when 4 tons of coal is burned
Explanation:
From the given,
Chemical formula of coal =
Molecular mass of coal =
Let’s calculate the mass of nitrogen in coal
Amount of coal burnt = 4tons
Amount of NO produced by burning 4tons =
This nitrogen is converted into NO by reacting with atmospheric oxygen.
Answer:
A. The neutrons and electrons are in the wrong place.
Explanation:
The atom's nucleus contains both protons and neutrons, whilst the electrons are arranged in shells around the nucleus.
Answer:
Anything in the environment that causes a change is called a stimulus.
Explanation:
Answer:
Explanation:
is insufficient to overcome intermolecular forces.