The specific heat of aluminum is 0.900 j/gº c. a 400.0 g sample of aluminum at 20.0º c absorbs 2520. j of heat energy. what is the new temperature of the aluminum?

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

What forms when chemical reactions combine pollution with sunlight?

Which samples do the atoms have the least kinetic energy