How many protons are in an element with an atomic number of 8 and a mass of 18? a: 3 b: 8 c: 10 d: 18

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.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

Write a balanced equation showing the formation of copper (ii) nitrite from its elements