1. (A
Which of the following ground-state electron configurations represents the atom that has the lowest first-ionization
energy?
182 281
(B) 182 2s22p2
(C) 182 2822p6
(D) 182 2822p6 381

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.

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

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?