Can someone please help me with this question

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

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