HELP ASAP PLS a 35.0 g block of copper is dropped into 450 grams of water at 21.5 C. The temperature of the water changes to 22.3 C. Does the water's temperature rise or fall?

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons