1. Many changes take place in a mother and child during the first six weeks after birth. What is this period of adjustment called? O cesarean period
postpartum period
afterbirth period
O premature period

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?