Help, please ( rando words )

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery