Calculate the energy of five moles of such Ca−O ion pairs.

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

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Which subshell is represented by the actinides family?