How many moles of Ca(NO3)2 contain 9.0 x102 oxygen atoms?

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.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o