How many grams of KCl solid must be dissolved to make 1.0 Liters of 4.0 ppm solution?

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.

Compare and contrast physical changes with chemical changes.

How have the greenhouse gasses increased from the year 2000 to 2018