1 pts Question 17
How many Oxygen atoms are present on the reactant side of the
following chemical equation?
2C2H6 + 702
--->
4CO2 + 6H20

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?