You have three gases in a mixture where P1 = 150 kPa, P2 = 75 kPa, and P3 = 100 kPa. What is the total pressure of the gas mixture? * 325 kPa
225 kPa
175 kPa
250 kPa

a police officer and a ambulance

the role of the microscope world in creating new materials .

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.