#2: A gas at unknown pressure and a volume of 66 cm has its pressure changed to 150 kPa. The new volume is 166 cm'. If temperature was kept constant, what was the original pressure of the gas?

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).

b) nuclear ive learned that in a pedtrodic table