At STP one gram mole of an IDEAL gaseous substance occupies 22.7 liters. Hence the if an element is in a gaseous state with volume V liters the number of moles is =V/22.7 approximately. Dimension less this number indicates the chemical mass of any reactant to calculate yields.
Follow these recommendations for a safe sleep environment for your little one: 1  Always place your baby on his or her back to sleep, not on the stomach or side. 2  Use a firm sleep surface. 3  Do not put anything else in the crib or bassinet. 4  Avoid overheating. 5  Keep your baby away from smokers. 6  Put your baby to sleep with a pacifier. But if your baby rejects the pacifier, don't force it. If the pacifier falls out during sleep, you don't have to replace it.
Safety First: Lower SIDS Risk. Every time you put your baby down to sleep, whether it's at night or for a nap during the day, the American Academy of Pediatrics recommends that you do the following to lower the chances of SIDS (sudden infant death syndrome): 1  Always put your baby down to sleep on his or her back.2  Always use a firm sleep surface. 3  Your baby should sleep in the ... Always put your baby down to sleep on his or her back. 2  Always use a firm sleep surface. 3  Car seats and other sitting devices are not recommended for routine sleep. 4  Your baby should sleep in the same room as you, but not in the same bed as you.