Which of the following is a base? (3 points)

AgO

Ca(OH)2

HF

NaCl

Who is better, messi or cristiano, i need this for a chemistry class. asap

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.

What is the correct term for living the most sustainable life you can within your current circumstances?