Given the standard entropy values in the table, what is the value of `delta"sº"_"reaction"` for the following reaction?

2nis(s) + 3o2(g) → 2so2(g) + 2nio(s)
a. –149 j/mol·k
b. +149 j/mol·k
c. +28 j/mol·k
d. – 28 j/mol·k

Idkidkidkidkidkidkidk

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 : )