Make a proportion
3 H2 - 2 NH3
19H2 - x
x = (19x2)/3= 12,666666
Many materials produce static charge
First, use a high-quality measurement tool. Next, measure carefully. Finally, repeat the measurement a few times. Hope it helps!
I want to say that they will be primarily flat but I honestly don't know
D. Speed and direction, this is because velocity is a vector quantity so has a magnitude and direction assigned to it because it is the rate of change of displacement.
