5. Find the empirical formula of a compound if it is known that it contains only Carbon and Hydrogen and the percent Hydrogen is 7.7%. If the molar mass is
78g/mol, what is the molecular formula.

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.

Modern weaponry has increased the number of deaths in wars and violent conflicts.

One does not belong why? ice, gold ,wood ,diamond and table salt