Which reaction has a positive δs°? question 6 options: a. o2(g) + 2h2(g) → 2h2o(l) b. 2n2h4(g) → 2nh3(g) + h2(g) c. 2no(g) → n2o2(g) d. n2(g) + 3h2(g) → 2nh3(g)?

Urea, co(nh2)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. what is the maximum mass of urea that can be manufactured from the co2 produced by combustion of 1.00 x 104 grams of co2?

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device