A metallurgist reacts 250.0 grams of 76.0% by mass silver nitrate solution with an excess of copper
metal. How many grams of silver metal can the metallurgist produce during the process? (1 point)
Cu(s) + AgNO3 → Ag(s) + Cu(NO3)2
A. 172 grams
B. 190 grams
C. 121 grams
D. 142 grams

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.