Answer:
Evaporation happens when a liquid substance becomes a gas. When water is heated, it evaporates. The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor. ... Once water evaporates, it also helps form clouds
Answer:
Covalent bond
Explanation:
A covalent bond is defined as the sharing of election pairs between atoms
Answer:
The experimenter observed this experiment in a lab rather than natural world because it might be dangerous to the atmosphere if he does the experiment in the natural world and it was still an hypothesis so that's why he did it in the lab.
The equation N2+H2= NH3 is balanced. This is because N2 + 3H^2 ➡️ 2NH^3