STEP 7: IRON Initial temperature of metal = 100 ✓ °C
Initial temperature of water = 22.5 ✓ °C
Final temperature of both = 24.9 ✓ °C

Subtract to find the temperature
changes for the water and the metal.
AT (water) = 2.4 ✓ °C
AT (metal) = 75.1 ✓ °C

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.