Mixing chemicals in a cold pack creates a reaction that: absorbs heat
destroys heat
releases cold
none of the above

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

An experimental procedure requires a 10 ml of acid to be dissolved

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?