A container is filled with helium and nitrogen gas. A hole is poked into the container and the gases are allowed to effuse. (A) Which gas would effuse faster? (B) Calculate the rate of effusion of helium to
nitrogen gas. (C) If it takes nitrogen gas 22 sec to effuse, how long would it take the helium gas?

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

If two objects at different te,peraure are in contact with each other what happens to their temperature