John rode 3150 m at an average speed of 350 m/min. If he had ridden at average of 375 m/min instead. How much sooner would it have taken? (In seconds)​

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%

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

Nan element’s square on the periodic table, the number with the greatest numerical value represents the