Which of the following will have same number of molecules at STP. a)280cm3 of CO2 and 280cm3 of N2O. B)44g of CO2 and 11.2dm3 CO c)11.2dm3 of O2 and 32g of O2 d)28g of N2 and 5.6dm3 of oxygen PLEASE EXPLAIN IN DETAIL :))

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action