HELPP

how much energy is absorbed when 30g of ice at -5oC changes to 0oC

One similarity and one difference between an element and a mixture of elements

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

Why does ammonia, nh3, behave as a base when it reacts with an acid? z