The mass percent of water in a hydrate of mncl2 is 36. 41%. What is the empirical formula of the hydrate?.

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

Acontrol during an experiment. might change remains constant does not exist does change

Which change to the system wood cause the freely-moving piston to lower?