Molar mass of N2 = 28
Moles of N2 = 25 / 28 = 0.89
So, moles of NH3 produce = 2 x 0.89 = 1.78
Note: H2 is in excess. so no need to care about it.
A flight simulator that helps astronauts prepare for a shuttle launch is an example of a Scientific Model.
Strontium (Sr). Elements in the same group of the periodic table have similar characteristics.
The answer is Solid.
This is on account of the substances that develop a solid are packed in a settled, firmly pressed geometric plan.
