Silver nitrate crystals don't appear to react when mixed with sodium chloride crystals, but when mixed together in water at room temperature, a reaction is observed to quickly take place. This happens because

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Which type of fossil does this image depict?

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?