What is the weight of a 30.0 kg object?
3.0 N
300 N
6.8 N
132 N

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%

Calculate the number of moles of ethane in 100 grams

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true