When a 125 g sample of potassium absorbs 5813 J of heat energy, its temperature increases from 25°C to 87°С. Find the specific heat of potassium.

Which position represents spring in the southern hemisphere? a) b) c) d)

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

What is bromine+calcium iodide--> calcium bromide +iodine balanced