Given the balanced equation representing a reaction:
c3h8(g) + 5o2(g)==> 3co2(g) + 4h2o(g)
what is the total number of moles of o2(g) required for the complete combustion of 1.5 moles of c3h8(g)?
(1) 0.30 mol (3) 4.5 mol
(2) 1.5 mol (4) 7.5 mol

answer; economic order quantity;

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?