Which best defines partial pressure in a mixture of gases?
O
O
O
O
pressure that is exerted by all the gases of a mixture on the container
pressure that is exerted by one gas as if it occupled a container by itself
half of the pressure that is exerted by the gases of a mixture on the container
sum of the individual pressures that are exerted by two or more gases

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

answer; talc and gypsum;