How many moles of oxygen are needed to produce 7.51 moles of water?

The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral

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.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?