When 0.60 mol NH 3 is decomposed in a 1 Liter flask at 850 K, the equilibrium concentration of NH3 is measured as 0.12 M. Given that ammonia decomposes according to the reaction 2 NH3(g) ⇌ N2(g) + 3 H2(g),
what is Kc for the reaction?
a. 0.16
b. 12.00
c. 1.44
d. 6.22
e. 0.75

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

1. list three scientific reasons cockroaches may fly.

How many atoms are there in 5.70 mol of mg