(ii) Which of these gases are:(a). elements (b). compounds.​

How much energy moves onto the next level, in an energy pyramid

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

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: