2HgO(s) + 90.8 kJ → → Hgw + O2(g) In the equation above, how many kilojoules of heat are needed to react with 1.00 mole of HgO(s)?

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )