Cuantos elementos tiene la tabla periodica?

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.