You calculate that your semester average in history is 97.5. when you get your report card, your average is 96. what was the percent error of your calculation?

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

In which phase(s) do the molecules take the shape of the container?

Based on its chemical properties, identify the position of each chemical family on the periodic table.