An aerosol can contain gas at 101 kPa and 22.0°C is heated to 55.0°C. Calculate the pressure in the heated can in kPa.

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

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

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have