How many moles is 1.50 x 1023 molecules nh3?

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

What is the molar mass of potassium nitrate, kno3

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false