Which of the following situations would cause the greatest decrease in the motion of molecules in a system?
a. q = -50 j, w = -50 j
b. q = -50 j, w = +50 j
c. q = +50 j, w = +50 j
d. q = +50 j, w = -50 j

When does your body conduct current more readily?

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?