Determine the number of grams of carbon in 215 g of sucrose.

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?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

What is true for a substance that releases energy