Clear selection 5.0 g of calcium chloride is added to 100.0 mL of water causing the temperature to increase from 0.2°C to 0.8°C. What is the heat of this solution? 13 J 12 J 260 J 260J 240 W -2405 please help!!!

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.