100-99+98-97+...+4-3+2-1​

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

What reaction is taking place? 02 + c3h8 = h20 + co2

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?