In which situation is no work considered to be done by a force?

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer